ERICSSON BMR456

Ericsson Internal
PRODUCT
TABLE
OF CONTENTS
SPECIFICATION
E
Prepared (also subject responsible if other)
No.
SEC/S Kevin Zhou
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Checked
1 (2)
(5)
1/1301- BMR 456Technical
00152-FGC1011823
Uen
Specification
Date
BMR456
series
SEC/S
Kevin
Zhou Fully regulated Advanced Bus Converters
2013-01-24
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
D
© Ericsson AB
Key Features
 Advanced Bus Converter Industry standard Quarterbrick with digital PMBus interface
57.9 x 36.8 x 11.3 mm (2.28 x 1.45 x 0.445 in.)
 Optional industry standard 5-pins for intermediate bus
architectures
 Industry-leading Power Density for Telecom and
Datacom 127-141W / sq. in
 Ericsson DC/DC Energy Optimizer built-in
 High efficiency, typ. 96.4% at half load, 12 Vout
 Fully regulated Advanced Bus Converter from 36-75Vin
 2250 Vdc input to output isolation
 Fast Feed forward regulation to manage line transients
 Optional baseplate for high temperature applications
 Droop Load Sharing with 10% current share accuracy
 Optional high capacitive load up to 15mF
 PMBus Revision 1.2 compliant
 2.9 million hours MTBF
 ISO 9001/14001 certified supplier
Power Management







Configurable soft start/stop
Precision delay and ramp-up
Voltage margining
Voltage/current/temperature monitoring
Configurable output voltage
Configurable fault response
Power good
Safety Approvals
Design for Environment
Meets requirements in hightemperature lead-free soldering
processes.
Contents
Ordering Information
General Information
Safety Specification
Absolute Maximum Ratings
............................................................. 2
............................................................. 2
............................................................. 4
............................................................. 5
Electrical Specification
9 V, 35 A / 351 W (36-75Vin)
9 V, 39 A / 351 W (36-60Vin)
12 V, 35 A / 420 W (36-75Vin)
12 V, 35 A / 420 W (36-75Vin, high cap load)
12 V, 39 A / 468 W (40-60Vin)
12.45 V, 35 A / 415 W (36-75Vin)
12.45 V, 39 A / 462 W (40-60Vin)
BMR 456 0004/004............................... 7
BMR 456 0000/003............................. 11
BMR 456 0004/001............................. 15
BMR 456 0004/018............................. 19
BMR 456 0000/002............................. 23
BMR 456 0007/014............................. 27
BMR 456 0011/017............................. 30
EMC Specification
Operating Information
Thermal Consideration
Connections
PMBus Interface
Mechanical Information
Soldering Information
Delivery Information
Product Qualification Specification
........................................................... 33
........................................................... 34
........................................................... 38
........................................................... 39
........................................................... 40
........................................................... 43
........................................................... 46
........................................................... 47
........................................................... 49
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
SEC/S Kevin Zhou
Approved
1/1301- BMR 456Technical
Uen
Specification
Checked
Date
BMR456
series
SEC/S
Kevin
Zhou Fully regulated Advanced Bus Converters
2013-01-24
Input 36-75 V, Output up to 39 A / 468 W
Ordering Information
n 5 n6 n 7
Product program
Vin
Output
BMR456 0004/004
36 - 75
9 V / 35 A, 315 W
BMR456 0004/001
36 - 75
12 V / 35 A, 420 W
BMR456 0004/018
36 - 75
12 V / 35 A, 420 W
BMR456 0007/013
36 - 75
12 V / 35 A, 400 W
BMR456 0007/014
36 - 75
12.45 V / 35 A, 415 W
BMR456 0000/003
BMR456 0000/002
36 - 60
40 - 60
9 V / 39 A, 351 W
12 V / 39 A, 468 W
BMR456 0011/016
40 - 60
12 V / 39 A, 445 W
BMR456 0011/017
40 - 60
12.45 V / 39 A, 462 W
Product Number and Packaging
BMR456
Mechanical
pin option
Mechanical
option
n1
n2
n3
n4
x
/
n5
n6
n7
/
x
/
x
Hardware option
x
/
/
Configuration file
2 (5)
No.
x
xx
Rev
Reference
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1/28701-FGC 101 1823 revD February 2013
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© Ericsson AB
001 = 12 V Standard configuration for 36-75
Vin, n3n4 = 04 or 05
002 = 12 V Standard configuration for 40-60
Vin, n3n4 = 00 or 01
003 = 9 V Standard configuration for 36-60 Vin,
n3n4 = 00 or 01
004 = 9 V Standard configuration for 36-60 Vin,
n3n4 = 04 or 05
008 = 12 V with positive RC logic configuration
for 36-75 Vin, n3n4 = 04 or 05
009 = 12 V with positive RC logic configuration
for 40-60 Vin, n3n4 = 00 or 01
013 = 12 V with 0.6 V droop load sharing
function configuration (36-75 Vin, n3n4 = 06 or
07)
014 = 12.45 V with 0.6V droop load sharing
function configuration (36-75 Vin, n3n4 = 06 or
07)
016 = 12 V with 0.6 V droop load sharing
function configuration (40-60 Vin, n3n4 = 11 or
12)
017 = 12.45 V with 0.6V droop load sharing
function configuration (40-60 Vin, n3n4 = 11 or
12)
018 = 12 V Standard configuration for
maximum 15mF capacitive load, 36-75 Vin,
n3n4 = 04 or 05
xxx = Application Specific Configuration
Optional
designation
Description
Packaging
n1
0 = Standard pin length 5.33 mm(0.210 in.)
1 = Surface mount option note 1
2 = Lead length 3.69 mm(0.145 in.) (cut)
3 = Lead length 4.57 mm(0.180 in.) (cut)
4 = Lead length 2.79 mm(0.110 in.) (cut)
Example: Product number BMR4562100/001 equals an Through hole mount
lead length 3.69 mm (cut), baseplate, digital interface with 12 V standard
configuration variant.
n2
n 3 n4
0 = Open frame
1 = Baseplate
2 = Baseplate with GND-pin
00 = 40-60 Vin, 4-13.2 Vout adjusted, with
digital interface
01 = 40-60 Vin, 4-13.2 Vout adjusted, without
digital interface
04 = 36-75 Vin, 4-13.2 Vout adjusted, with
digital interface
05 = 36-75 Vin, 4-13.2 Vout adjusted, without
digital interface
06 = 36-75 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation,
without digital interface
07 = 36-75 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation, with
digital interface
11 = 40-60 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation, with
digital interface
12 = 40-60 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation,
without digital interface
20 converters(through hole pin)/tray, PE foam
dissipative
20 converters(surface mount pin)/tray,
Antistatic PPE
Note 1: No baseplate option
For application specific configurations contact your local Ericsson Power
Modules sales representative.
General Information
Reliability
The failure rate () and mean time between failures
(MTBF= 1/) is calculated at max output power and an
operating ambient temperature (TA) of +40°C. Ericsson
Power Modules uses Telcordia SR-332 Issue 2 Method 1 to
calculate the mean steady-state failure rate and standard
deviation ().
Telcordia SR-332 Issue 2 also provides techniques to
estimate the upper confidence levels of failure rates based
on the mean and standard deviation.
Mean steady-state failure rate, 
Std. deviation, 
425 nFailures/h
60.9 nFailures/h
MTBF (mean value) for the BMR456 series = 2.9 Mh.
MTBF at 90% confidence level = 2.4 Mh
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
SEC/S Kevin Zhou
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3 (5)
No.
Checked
1/1301- BMR 456Technical
Uen
Specification
Date
BMR456
series
SEC/S
Kevin
Zhou Fully regulated Advanced Bus Converters
2013-01-24
Input 36-75 V, Output up to 39 A / 468 W
Compatibility with RoHS requirements
The products are compatible with the relevant clauses and
requirements of the RoHS directive 2011/65/EU and have a
maximum concentration value of 0.1% by weight in
homogeneous materials for lead, mercury, hexavalent
chromium, PBB and PBDE and of 0.01% by weight in
homogeneous materials for cadmium.
Exemptions in the RoHS directive utilized in Ericsson
Power Modules products are found in the Statement of
Compliance document.
Ericsson Power Modules fulfills and will continuously fulfill
all its obligations under regulation (EC) No 1907/2006
concerning the registration, evaluation, authorization and
restriction of chemicals (REACH) as they enter into force
and is through product materials declarations preparing for
the obligations to communicate information on substances
in the products.
Quality Statement
The products are designed and manufactured in an
industrial environment where quality systems and methods
like ISO 9000, Six Sigma, and SPC are intensively in use to
boost the continuous improvements strategy. Infant
mortality or early failures in the products are screened out
and they are subjected to an ATE-based final test.
Conservative design rules, design reviews and product
qualifications, plus the high competence of an engaged
work force, contribute to the high quality of the products.
Warranty
Warranty period and conditions are defined in Ericsson
Power Modules General Terms and Conditions of Sale.
Limitation of Liability
Ericsson Power Modules does not make any other
warranties, expressed or implied including any warranty of
merchantability or fitness for a particular purpose
(including, but not limited to, use in life support
applications, where malfunctions of product can cause
injury to a person’s health or life).
© Ericsson AB 2013
The information and specifications in this technical
specification is believed to be correct at the time of
publication. However, no liability is accepted for
inaccuracies, printing errors or for any consequences
thereof. Ericsson AB reserves the right to change the
contents of this technical specification at any time without
prior notice.
Rev
Reference
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1/28701-FGC 101 1823 revD February 2013
D
© Ericsson AB
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
SEC/S Kevin Zhou
Approved
Checked
1/1301- BMR 456Technical
Uen
Specification
Date
BMR456
series
SEC/S
Kevin
Zhou Fully regulated Advanced Bus Converters
2013-01-24
Input 36-75 V, Output up to 39 A / 468 W
Safety Specification
General information
Ericsson Power Modules DC/DC converters and DC/DC
regulators are designed in accordance with the safety
standards IEC 60950-1, EN 60950-1 and UL 60950-1
Safety of Information Technology Equipment.
IEC/EN/UL 60950-1 contains requirements to prevent injury
or damage due to the following hazards:






4 (5)
No.
Electrical shock
Energy hazards
Fire
Mechanical and heat hazards
Radiation hazards
Chemical hazards
On-board DC/DC converters and DC/DC regulators are
defined as component power supplies. As components
they cannot fully comply with the provisions of any safety
requirements without “conditions of acceptability”.
Clearance between conductors and between conductive
parts of the component power supply and conductors on
the board in the final product must meet the applicable
safety requirements. Certain conditions of acceptability
apply for component power supplies with limited stand-off
(see Mechanical Information for further information). It is
the responsibility of the installer to ensure that the final
product housing these components complies with the
requirements of all applicable safety standards and
regulations for the final product.
Component power supplies for general use should comply
with the requirements in IEC/EN/UL 60950-1 Safety of
Information Technology Equipment. Product related
standards, e.g. IEEE 802.3af Power over Ethernet, and
ETS-300132-2 Power interface at the input to telecom
equipment, operated by direct current (dc) are based on
IEC/EN/UL 60950-1 with regards to safety.
Ericsson Power Modules DC/DC converters and DC/DC
regulators are UL 60950-1 recognized and certified in
accordance with EN 60950-1. The flammability rating for all
construction parts of the products meet requirements for
V-0 class material according to IEC 60695-11-10, Fire
hazard testing, test flames – 50 W horizontal and vertical
flame test methods.
Isolated DC/DC converters
Galvanic isolation between input and output is verified in an
electric strength test and the isolation voltage (Viso) meets
the voltage strength requirement for basic insulation
according to IEC/EN/UL 60950-1.
It is recommended to use a slow blow fuse at the input of
each DC/DC converter. If an input filter is used in the circuit
the fuse should be placed in front of the input filter. In the
rare event of a component problem that imposes a short
Rev
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© Ericsson AB
circuit on the input source, this fuse will provide the
following functions:
 Isolate the fault from the input power source so as not
to affect the operation of other parts of the system
 Protect the distribution wiring from excessive current
and power loss thus preventing hazardous overheating
The DC/DC converter output is considered as safety extra
low voltage (SELV) if one of the following conditions is met:
 The input source has double or reinforced insulation
from the AC mains according to IEC/EN/UL 60950-1
 The input source has basic or supplementary insulation
from the AC mains and the input of the DC/DC
converter is maximum 60 Vdc and connected to
protective earth according to IEC/EN/UL 60950-1
 The input source has basic or supplementary insulation
from the AC mains and the DC/DC converter output is
connected to protective earth according to
IEC/EN/UL 60950-1
Non - isolated DC/DC regulators
The DC/DC regulator output is SELV if the input source
meets the requirements for SELV circuits according to
IEC/EN/UL 60950-1.
Ericsson Internal
PRODUCT SPECIFICATION
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Specification
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
5
1/28701-FGC 101 1823 revD February 2013
E
© Ericsson AB
Absolute Maximum Ratings
Characteristics
min
TP1
Operating Temperature (see Thermal Consideration section)
TS
Storage temperature
VI
Input voltage
-0.5
typ
max
Unit
-40
+125
°C
-55
+125
+80
°C
V
+65*
Viso
Isolation voltage (input to output test voltage), see note 1
2250
Vdc
Vtr
Input voltage transient according to ETSI EN 300 132-2 and Telcordia GR-1089CORE
+100
+80*
V
VRC
Remote Control pin voltage
-0.3
18
V
V Logic I/O
SALERT, CTRL, SCL, SDA, SA0, SA1
-0.3
3.6
V
Stress in excess of Absolute Maximum Ratings may cause permanent damage. Absolute Maximum Ratings, sometimes referred to as no destruction limits, are
normally tested with one parameter at a time exceeding the limits of Output data or Electrical Characteristics. If exposed to stress above these limits, function and
performance may degrade in an unspecified manner.
Note 1: Isolation voltage (input/output to base-plate) max 750 Vdc.
*) Apply for the narrow input version VI= 40-60 V
Fundamental Circuit Diagram
Driver
+IN
+OUT
-OUT
-IN
Auxillary
Supply
Driver
Control
RC
RC isolation
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Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Functional Description
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions
Configuration File: 190 10-CDA 102 0314/001
Characteristics
Conditions
min
typ
max
Unit
-2
±0.2
2
%
-1.0
±0.1
1.0
%
-6
±0.15
6
%
-0.6
-
0.6
A
-5
±3.5
5
ºC
-
33
-
V
PMBus monitoring accuracy
VIN_READ
Input voltage
VOUT_READ
Output voltage
VI = 53 V
IOUT_READ
Output current
VI = 53 V, 50-100% of max IO
IOUT_READ
Output current
VI = 53 V, 10% of max IO
TEMP_READ
Temperature
Fault Protection Characteristics
Factory default
Input Under Voltage Setpoint accuracy
Lockout,
UVLO
Hysteresis
-2
-
2
%
Factory default
-
2
-
V
Configurable via PMBus of
threshold range, Note 1
0
-
-
V
-
300
-
µs
Delay
Factory default
VOUT_UV_FAULT_LIMIT
(Output voltage)
Configurable via PMBus, Note 1
Over/Under Voltage
Factory default
Protection,
VOUT_OV_FAULT_LIMIT
OVP/UVP
Configurable via PMBus, Note 1
fault response time
Setpoint accuracy
Over Current
Protection,
OCP
IOUT_OC_FAULT_LIMIT
OTP_FAULT_LIMIT
OTP hysteresis
0
-
V
-
16
V
-
15.6
-
V
VOUT
-
16
V
-
200
-
µs
6
%
Io
-6
Factory default
-
41
-
Configurable via PMBus, Note 1
0
-
100
-50
200
125
125
fault response time
Over Temperature
Protection,
OTP
0
Factory default
Configurable via PMBus, Note 1
Factory default
Configurable via PMBus, Note 1
fault response time
10
0
-
A
µs
C
300
125
-
µs
Logic Input/Output Characteristics
Logic input low (VIL)
Logic input high (VIH)
Logic output low (VOL)
Logic output high (VOH)
Bus free time T(BUF)
Note 1: See Operating Information section.
Note 2: PMBus timing parameters according to PMBus spec.
CTRL, SA0, SA1, PG, SCL, SDA,
CTRL, PG, SALERT, SCL, SDA
IOL = 6 mA
CTRL, PG, SALERT, SCL, SDA
IOH = -6 mA
Note 2
-
-
1.1
V
2.1
-
-
V
-
-
0.25
V
2.7
-
-
V
1.3
-
µs
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Bus Converters
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EZHIXZH
2013-02-06
Reference
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1/28701-FGC 101 1823 revD February 2013
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Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
9.0 V, 35 A / 315 W Electrical Specification
BMR 456 0004/004
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.5 mF, Configuration File: 19010-CDA 102 0314/004
Characteristics
Conditions
min
typ
max
VI
Input voltage range
36
VIoff
Turn-off input voltage
Decreasing input voltage
32
VIon
Turn-on input voltage
Increasing input voltage
34
CI
Internal input capacitance
PO
Output power
V
33
34
V
35
36
18
0
50% of max IO
Unit
75
V
μF
315
W
95.1
max IO
94.3
50% of max IO , VI = 48 V
95.3
η
Efficiency
max IO , VI = 48 V
94.3
Pd
Power Dissipation
max IO
19.0
Pli
Input idling power
IO = 0 A, VI = 53 V
3.1
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
133
140
147
kHz
VOi
Output voltage initial setting and
accuracy
TP1 = +25°C, VI = 53 V, IO = 35 A
8.91
9.0
9.09
V
Output adjust range
See operating information
4.0
13.2
V
Output voltage tolerance band
0-100% of max IO
8.82
9.18
V
Line regulation
max IO
8
24
mV
Load regulation
VI = 53 V, 1-100% of max IO
25
40
mV
Vtr
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
ttr
Load transient recovery time
VO
tr
ts
tf
tRC
Ramp-up time
(from 10−90% of VOi)
Start-up time
26.4
W
±0.4
V
150
µs
8
ms
10-100% of max IO,
TP1 = 25ºC, VI = 53 V
24
ms
4.5
7
ms
(from VI off to 10% of VO)
max IO,
IO = 0 A, CO = 0 mF
RC start-up time
max IO
12
ms
RC shutdown fall time
max IO
4.5
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
(from VI connection to 90% of VOi)
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
Isc
Short circuit current
TP1 = 25ºC, see Note 1
Cout
Recommended Capacitive Load
TP1 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
%
7
0
VO = 8.1 V, TP1, TP3 < max TP1, TP3
See ripple & noise section,
max IO, see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RC-voltage
s
s
35
A
44
A
38
41
0.1
3.5
6
mF
50
110
mVp-p
8
A
11.7
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode, RMS value.
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
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series
Bus Converters
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EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
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Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
9.0 V, 35 A / 315 W
BMR 456 0004/004
Efficiency
Power Dissipation
[%]
[W]
25
100
20
95
36 V
90
36 V
15
48 V
10
53 V
48 V
85
53 V
75 V
75 V
80
5
75
0
0
5
10
15
20
25
30
35
[A]
0
5
10
15
20
25
30
35
[A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
Output Characteristics
Current Limit Characteristics
[V]
[V]
13.0
9.10
11.0
9.06
36 V
9.02
36 V
9.0
48 V
53 V
8.98
48 V
7.0
53 V
75 V
8.94
75 V
5.0
8.90
3.0
0
5
10
15
20
25
30
35 [A]
Output voltage vs. load current at TP1, TP3 = +25°C
35
37
39
41
43
45 [A]
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
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BMR456
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Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
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© Ericsson AB
Typical Characteristics
BMR 456 0004/004
9.0 V, 35 A / 315 W
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 35 A resistive load.
Shut-down
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (5 ms/div.).
Output Ripple & Noise
Output voltage ripple at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 35 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
Output Load Transient Response
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Input Voltage Transient Response
Output voltage response to input voltage
transient at: TP1, TP3 = +25°C, VI = 36-75 V,
IO = 35 A resistive load, CO = 3.5 mF
Shut-down enabled by disconnecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO =35 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: (0.5 ms/div.).
Output voltage response to load current
step-change (8.75-26.25-8.75 A) at:
TP1, TP3 =+25°C, VI = 53 V, CO = 3.5 mF.
Top trace: output voltage (0.2 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
Ericsson Internal
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2/1301-BMR 456Technical
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Specification 10
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
9.0 V, 35 A / 315 W
BMR 456 0004/004
Output Current Derating – Open frame
[A]
40
3.0 m/s
35
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
5
Nat. Conv.
0
0
20
40
60
80
100
[°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[A]
40
[°C/W]
3.0 m/s
35
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
5
Nat. Conv.
6
5
4
3
2
1
0
0
0
20
40
60
80
0.0
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate + Heat sink
[A]
35
0.5
1.0
1.5
2.0
2.5
3.0 [m/s]
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
3.0 m/s
30
40
35
2.0 m/s
30
1.5 m/s
25
15
1.0 m/s
20
10
0.5 m/s
15
25
20
Na t. Conv.
5
0
Tamb 8 5°C
10
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
0
20
40
60
80
100 [°C]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
Ericsson Internal
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2/1301-BMR 456Technical
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Specification 11
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
9.0 V, 39 A / 351 W Electrical Specification
BMR 456 0000/003
TP1, TP3 = -40 to +90ºC, VI = 36 to 60 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.9 mF, Configuration File: 19010-CDA 102 0314/003
Characteristics
Conditions
min
typ
max
VI
Input voltage range
36
VIoff
Turn-off input voltage
Decreasing input voltage
32
VIon
Turn-on input voltage
Increasing input voltage
34
CI
Internal input capacitance
PO
Output power
V
33
34
V
35
36
18
0
50% of max IO
Unit
60
V
μF
351
W
95.9
max IO
94.7
50% of max IO , VI = 48 V
95.9
η
Efficiency
max IO , VI = 48 V
94.7
Pd
Power Dissipation
max IO
19.6
Pli
Input idling power
IO = 0 A, VI = 53 V
2.4
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
133
140
147
kHz
VOi
Output voltage initial setting and
accuracy
TP1 = +25°C, VI = 53 V, IO = 39 A
8.92
9.0
9.08
V
Output adjust range
See operating information
4.0
13.2
V
Output voltage tolerance band
0-100% of max IO
8.82
9.18
V
Line regulation
max IO
8
24
mV
Load regulation
VI = 53 V, 1-100% of max IO
4
23
mV
Vtr
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
ttr
Load transient recovery time
VO
tr
ts
tf
tRC
Ramp-up time
(from 10−90% of VOi)
Start-up time
28.5
W
±0.4
V
150
µs
8
ms
10-100% of max IO,
TP1 = 25ºC, VI = 53 V
24
ms
3
7
ms
(from VI off to 10% of VO)
max IO
IO = 0 A, CO = 0 mF
RC start-up time
max IO
12
ms
RC shutdown fall time
max IO
4.5
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
(from VI connection to 90% of VOi)
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
Isc
Short circuit current
TP1 = 25ºC, see Note 1
Cout
Recommended Capacitive Load
TP1 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
%
7
0
VO = 8.1 V, TP1, TP3 < max TP1, TP3
See ripple & noise section,
max IO, see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RC-voltage
s
s
39
A
47
A
41
44
2.2
3.9
6
mF
50
110
mVp-p
14
A
11.7
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
Ericsson Internal
PRODUCT SPECIFICATION
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8 (29)
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2/1301-BMR 456Technical
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Specification 12
EMAOLII
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Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
9.0 V, 39 A / 351 W
BMR 456 0000/003
Efficiency
Power Dissipation
[W]
25
[%]
100
20
95
36 V
36 V
90
15
48 V
10
53 V
48 V
85
53 V
60 V
80
60 V
5
0
75
0
5
10
15
20
25
30
35
0
40 [A]
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
5
10
15
20
25
30
35
40 [A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Output Characteristics
Current Limit Characteristics
[V ]
13.0
[V ]
9.10
11.0
9.06
36 V
9.02
36 V
9.0
48 V
53 V
8.98
48 V
7.0
53 V
60 V
8.94
60 V
5.0
8.90
3.0
0
5
10
15
20
25
30
35
40 [A]
Output voltage vs. load current at TP1, TP3 = +25°C
39
41
43
45
47 [A]
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
9 (29)
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2/1301-BMR 456Technical
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Specification 13
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
E
© Ericsson AB
Typical Characteristics
BMR 456 0000/003
9.0 V, 39 A / 351 W
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 39 A resistive load.
Shut-down
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (10 ms/div.).
Output Ripple & Noise
Output voltage ripple at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 39 A resistive load.
IO =39 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
Output Load Transient Response
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Input Voltage Transient Response
Output voltage response to input voltage
transient at: TP1, TP3 = +25°C, VI = 36-60 V,
IO = 39 A resistive load, CO = 3.9 mF
Shut-down enabled by disconnecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: (10 ms/div.).
Output voltage response to load current
step-change (9.75-29.25-9.75 A) at:
TP1, TP3 =+25°C, VI = 53 V, CO = 3.9 mF.
Top trace: output voltage (0.5 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
10 (29)
No.
2/1301-BMR 456Technical
Uen
Specification 14
EMAOLII
Approved
Checked
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
9.0 V, 39 A / 351 W
BMR 456 0000/003
Output Current Derating – Open frame
[A]
40
3 .0 m/s
35
30
2 .0 m/s
25
1 .5 m/s
20
1 .0 m/s
15
0 .5 m/s
10
Na t. Co nv.
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[A]
40
[°C/W]
3.0 m/s
35
6
30
2.0 m/s
5
25
1.5 m/s
4
20
1.0 m/s
15
3
0.5 m/s
10
2
Na t. Con v.
5
1
0
0
20
40
60
80
100 [°C]
0
0.0
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
0.5
1.0
1.5
2.0
2.5
3.0 [m/s]
Thermal resistance vs. airspeed measured at the converter. Tested in wind
tunnel with airflow and test conditions as per the Thermal consideration
section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
40
35
30
25
Tamb
85 °C
20
15
10
5
0
0
20
40
60
80
100 [°C ]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
11 (29)
No.
EMAOLII
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2/1301-BMR 456Technical
Uen
Specification 15
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
E
© Ericsson AB
12.0 V, 35 A / 420 W Electrical Specification
BMR 456 0004/001
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.5 mF, Configuration File: 19010-CDA 102 0314/001
Characteristics
Conditions
min
typ
max
VI
Input voltage range
36
VIoff
Turn-off input voltage
Decreasing input voltage
32
VIon
Turn-on input voltage
Increasing input voltage
34
CI
Internal input capacitance
PO
Output power
η
Efficiency
V
33
34
V
35
36
V
18
0
50% of max IO
Unit
75
μF
420
W
96.2
max IO
95.5
50% of max IO , VI = 48 V
96.4
max IO , VI = 48 V
95.5
%
Pd
Power Dissipation
max IO
19.8
Pli
Input idling power
IO = 0 A, VI = 53 V
3.3
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
VOi
Output voltage initial setting and
TP1 = 25°C, VI = 53 V, IO = 35 A
accuracy
VO
Vtr
ttr
tr
ts
tf
tRC
W
133
140
147
kHz
11.88
12.0
12.12
V
13.2
V
Output adjust range
See operating information
Output voltage tolerance band
0-100% of max IO
12.24
V
Line regulation
max IO
21
55
mV
Load regulation
VI = 53 V, 0-100% of max IO
6
40
mV
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25%
of max IO, di/dt = 1 A/μs
4.0
11.76
Load transient recovery time
Ramp-up time
(from 10−90% of VOi)
Start-up time
10-100% of max IO,
TP1, TP3 = 25ºC, VI = 53 V
(from VI connection to 90% of VOi)
±0.4
V
150
µs
8
ms
24
ms
max IO
IO = 0 A, CO = 0 mF
3.6
7
ms
(from VI off to 10% of VO)
RC start-up time
max IO
12
ms
RC shutdown fall time
max IO
5.1
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
VO = 10.8 V, TP1, TP3 < max TP1,
TP3
Isc
Short circuit current
TP1, TP3 = 25ºC, see Note 1
Cout
Recommended Capacitive Load TP1, TP3 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
29.5
7
0
See ripple & noise section,
max IO , see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RCvoltage
s
37
41
s
35
A
44
A
12
0.1
A
3.5
6
mF
60
150
mVp-p
15.6
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
12 (29)
No.
2/1301-BMR 456Technical
Uen
Specification 16
EMAOLII
Approved
Checked
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.0 V, 35 A / 420 W
BMR 456 0004/001
Efficiency
Power Dissipation
[W]
24
[%]
100
20
95
36 V
90
48 V
85
53 V
36 V
16
48 V
12
53 V
8
75 V
75 V
80
4
75
0
0
5
10
15
20
25
30
0
35 [A]
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
5
10
15
20
25
30
35 [A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Output Characteristics
Current Limit Characteristics
[V ]
[V ]
13.0
12.2
11.0
12.1
36 V
48 V
12.0
53 V
36 V
9.0
48 V
53 V
7.0
75 V
75 V
11.9
5.0
11.8
3.0
0
5
10
15
20
25
30
35 [A]
Output voltage vs. load current at TP1, TP3 = +25°C
35
37
39
41
43
45 [A]
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
EMAOLII
Approved
Checked
2/1301-BMR 456Technical
Uen
Specification 17
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
E
© Ericsson AB
Typical Characteristics
12.0 V, 35 A / 420 W
BMR 456 0004/001
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 35 A resistive load.
13 (29)
No.
Shut-down
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (10 ms/div.).
Output Ripple & Noise
Output voltage ripple at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 35 A resistive load.
IO =35 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
Output Load Transient Response
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Input Voltage Transient Response
Output voltage response to input voltage
transient at: TP1, TP3 = +25°C, VI = 36-75 V,
IO = 17 A resistive load, CO = 3.5 mF
Shut-down enabled by disconnecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: (0.5 ms/div.).
Output voltage response to load current
step-change (8.75-26.25-8.75 A) at:
TP1, TP3 =+25°C, VI = 53 V, CO = 3.5 mF.
Top trace: output voltage (0.5 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
14 (29)
No.
EMAOLII
Approved
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2/1301-BMR 456Technical
Uen
Specification 18
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.0 V, 35 A / 420 W
BMR 456 0004/001
Output Current Derating – Open frame
[A]
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
15
1.0 m/s
10
0.5 m/s
Na t. Con v.
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[°C/W]
[A]
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
15
1.0 m/s
10
0.5 m/s
5
Na t. Con v.
6
5
4
3
2
1
0
0
0
20
40
60
80
0.0
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate + Heat sink
[A]
35
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
3.0 m/s
40
2.0 m/s
35
30
1.5 m/s
25
15
1.0 m/s
10
0.5 m/s
20
15
30
25
20
Na t. Con v.
5
Ta mb
8 5°C
10
5
0
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
0
20
40
60
80
100 [°C]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
15 (29)
No.
EMAOLII
Approved
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2/1301-BMR 456Technical
Uen
Specification 19
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
12.0 V, 35 A / 420 W Electrical Specification
BMR 456 0004/018
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.5 mF, Configuration File: 19010-CDA 102 0314/018
Characteristics
Conditions
min
typ
max
VI
Input voltage range
36
VIoff
Turn-off input voltage
Decreasing input voltage
32
VIon
Turn-on input voltage
Increasing input voltage
34
CI
Internal input capacitance
PO
Output power
V
33
34
V
35
36
18
0
50% of max IO
Unit
75
V
μF
420
W
96.2
max IO
95.5
50% of max IO , VI = 48 V
96.4
η
Efficiency
max IO , VI = 48 V
95.5
Pd
Power Dissipation
max IO
19.8
Pli
Input idling power
IO = 0 A, VI = 53 V
3.3
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
VOi
Output voltage initial setting and
accuracy
TP1 = 25°C, VI = 53 V, IO = 35 A
Output adjust range
See operating information
Output voltage tolerance band
0-100% of max IO
12.24
V
Line regulation
max IO
21
55
mV
Load regulation
VI = 53 V, 0-100% of max IO
6
40
mV
Vtr
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
ttr
Load transient recovery time
VO
tr
ts
tf
tRC
29.5
W
133
140
147
kHz
11.88
12.0
12.12
V
13.2
V
4.0
11.76
±0.4
V
150
µs
10-100% of max IO,
TP1, TP3 = 25ºC, VI = 53 V
20
ms
38
ms
3.6
7
ms
(from VI off to 10% of VO)
max IO
IO = 0 A, CO = 0 mF
RC start-up time
max IO
25
ms
RC shutdown fall time
max IO
5.1
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
Ramp-up time
(from 10−90% of VOi)
Start-up time
(from VI connection to 90% of VOi)
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
Isc
Short circuit current
TP1, TP3 = 25ºC, see Note 1
Cout
Recommended Capacitive Load
TP1, TP3 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
%
7
0
VO = 10.8 V, TP1, TP3 < max TP1, TP3
See ripple & noise section,
max IO , see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RC-voltage
s
s
35
A
44
A
37
41
0.1
3.5
15
mF
60
150
mVp-p
12
A
15.6
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
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No.
2/1301-BMR 456Technical
Uen
Specification 20
EMAOLII
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Checked
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.0 V, 35 A / 420 W
BMR 456 0004/018
Efficiency
Power Dissipation
[%]
[W]
24
100
20
95
36 V
90
48 V
85
53 V
36 V
16
48 V
12
53 V
8
75 V
75 V
80
4
75
0
0
5
10
15
20
25
30
35 [A]
0
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
5
10
15
20
25
30
35 [A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Output Characteristics
Current Limit Characteristics
[V ]
[V ]
13.0
12.2
11.0
12.1
36 V
48 V
12.0
53 V
36 V
9.0
48 V
53 V
7.0
75 V
75 V
11.9
5.0
11.8
3.0
0
5
10
15
20
25
30
35 [A]
Output voltage vs. load current at TP1, TP3 = +25°C
35
37
39
41
43
45 [A]
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
EMAOLII
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Checked
2/1301-BMR 456Technical
Uen
Specification 21
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
E
© Ericsson AB
Typical Characteristics
12.0 V, 35 A / 420 W
BMR 456 0004/018
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 35 A resistive load.
17 (29)
No.
Shut-down
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (20 ms/div.).
Output Ripple & Noise
Output voltage ripple at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 35 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
Output Load Transient Response
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Input Voltage Transient Response
Output voltage response to input voltage
transient at: TP1, TP3 = +25°C, VI = 36-75 V,
IO = 17 A resistive load, CO = 3.5 mF
Shut-down enabled by disconnecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO =35 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: (0.5 ms/div.).
Output voltage response to load current
step-change (8.75-26.25-8.75 A) at:
TP1, TP3 =+25°C, VI = 53 V, CO = 3.5 mF.
Top trace: output voltage (0.5 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
18 (29)
No.
EMAOLII
Approved
Checked
2/1301-BMR 456Technical
Uen
Specification 22
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.0 V, 35 A / 420 W
BMR 456 0004/018
Output Current Derating – Open frame
[A]
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
Na t. Con v.
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[°C/W]
[A]
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
5
Na t. Con v.
6
5
4
3
2
1
0
0
0
20
40
60
80
0.0
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate + Heat sink
[A]
35
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
3.0 m/s
40
2.0 m/s
35
30
1.5 m/s
25
15
1.0 m/s
10
0.5 m/s
20
15
30
25
20
Na t. Con v.
5
Ta mb
8 5°C
10
5
0
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
0
20
40
60
80
100 [°C]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
19 (29)
No.
EMAOLII
Approved
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2/1301-BMR 456Technical
Uen
Specification 23
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
12.0 V, 39 A / 468 W Electrical Specification
BMR 456 0000/002
TP1, TP3 = -40 to +90ºC, VI = 40 to 60 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.9 mF, Configuration File: 19010-CDA 102 0314/002
Characteristics
Conditions
min
typ
max
VI
Input voltage range
40
VIoff
Turn-off input voltage
Decreasing input voltage
36
VIon
Turn-on input voltage
Increasing input voltage
38
CI
Internal input capacitance
PO
Output power
V
37
38
V
39
40
18
0
50% of max IO
Unit
60
V
μF
468
W
96.7
max IO
95.7
50% of max IO , VI = 48 V
96.8
η
Efficiency
max IO , VI = 48 V
95.6
Pd
Power Dissipation
max IO
21.2
Pli
Input idling power
IO = 0 A, VI = 53 V
2.8
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
VOi
Output voltage initial setting and
accuracy
TP1 = +25°C, VI = 53 V, IO = 39 A
Output adjust range
See operating information
Output voltage tolerance band
0-100% of max IO
12.24
V
Line regulation
max IO
31
60
mV
Load regulation
VI = 53 V, 1-100% of max IO
5
25
mV
Vtr
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
ttr
Load transient recovery time
VO
tr
ts
tf
tRC
Ramp-up time
(from 10−90% of VOi)
Start-up time
30.5
W
133
140
147
kHz
11.88
12.0
12.12
V
13.2
V
4.0
11.76
±0.4
V
150
µs
8
ms
10-100% of max IO,
TP1 = 25ºC, VI = 53 V
24
ms
3
7
ms
(from VI off to 10% of VO)
max IO
IO = 0 A, CO = 0 mF
RC start-up time
max IO
12
ms
RC shutdown fall time
max IO
4.5
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
(from VI connection to 90% of VOi)
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
Isc
Short circuit current
TP1 = 25ºC, see Note 1
Cout
Recommended Capacitive Load
TP1 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
%
7
0
VO = 10.8 V, TP1, TP3 < max TP1, TP3
See ripple & noise section,
max IO, see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RC-voltage
s
s
39
A
47
A
41
44
0.1
3.9
6
mF
50
110
mVp-p
14
A
15.6
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
20 (29)
No.
2/1301-BMR 456Technical
Uen
Specification 24
EMAOLII
Approved
Checked
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.0 V, 39 A / 468 W
BMR 456 0000/002
Efficiency
Power Dissipation
[%]
[W]
25
100
20
95
40 V
90
40 V
15
48 V
48 V
53 V
85
60 V
80
53 V
10
60 V
5
0
75
0
5
10
15
20
25
30
35
40 [A]
0
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
5
10
15
20
25
30
35
40 [A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Output Characteristics
Current Limit Characteristics
[V ]
[V ]
13.0
12.2
11.0
12.1
40 V
40 V
9.0
48 V
12.0
53 V
48 V
7.0
53 V
60 V
11.9
60 V
5.0
11.8
3.0
0
5
10
15
20
25
30
35
40 [A]
Output voltage vs. load current at TP1, TP3 = +25°C
39
41
43
45
47 [A]
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
EMAOLII
Approved
Checked
2/1301-BMR 456Technical
Uen
Specification 25
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
E
© Ericsson AB
Typical Characteristics
12.0 V, 39 A / 468 W
BMR 456 0000/002
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 39 A resistive load.
21 (29)
No.
Shut-down
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (10 ms/div.).
Output Ripple & Noise
Output voltage ripple at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 39 A resistive load.
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (2 ms/div.).
Output Load Transient Response
Trace: output voltage (50 mV/div.).
Time scale: (2 µs/div.).
Input Voltage Transient Response
Output voltage response to input voltage
transient at: TP1, TP3 = +25°C, VI = 40-60 V,
IO = 19,5 A resistive load, CO = 3.9 mF
Shut-down enabled by disconnecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO =39 A resistive load.
Top trace: output voltage (2 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: (0.5 ms/div.).
Output voltage response to load current
step-change (9.75-29.25-9.75 A) at:
TP1, TP3 =+25°C, VI = 53 V, CO = 3.9 mF.
Top trace: output voltage (0.5 V/div.).
Bottom trace: output current (20 A/div.).
Time scale: (0.5 ms/div.).
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
22 (29)
No.
2/1301-BMR 456Technical
Uen
Specification 26
EMAOLII
Approved
Checked
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.0 V, 39 A / 468 W
BMR 456 0000/002
Output Current Derating – Open frame
[A]
40
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
Nat. C onv.
5
0
0
20
40
60
80
100
[°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[°C/W]
[A]
40
3.0 m/s
35
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
Na t. Con v.
5
6
5
4
3
2
1
0
0
0
20
40
60
80
0.0
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base Plate + Heat sink
[A]
40
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Thermal resistance vs. airspeed measured at the converter. Tested
in wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
3.0 m/s
35
40
35
30
2.0 m/s
25
1.5 m/s
25
20
1.0 m/s
20
15
0.5 m/s
10
Na t. Con v.
5
0
30
Ta mb
8 5°C
15
10
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
0
20
40
60
80
100 [°C]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
23 (29)
No.
EMAOLII
Approved
Checked
2/1301-BMR 456Technical
Uen
Specification 27
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
12.45 V, 35 A / 415 W Electrical Specification
BMR 456 0007/014
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.5 mF, Configuration File: 19010-CDA 102 0314/014
Characteristics
Conditions
min
typ
max
VI
Input voltage range
36
VIoff
Turn-off input voltage
Decreasing input voltage
32
VIon
Turn-on input voltage
Increasing input voltage
34
CI
Internal input capacitance
PO
Output power
V
33
34
V
35
36
18
0
50% of max IO
Unit
75
V
μF
415
W
96.2
max IO
95.5
50% of max IO , VI = 48 V
96.4
η
Efficiency
max IO , VI = 48 V
95.5
Pd
Power Dissipation
max IO
19.5
Pli
Input idling power
IO = 0 A, VI = 53 V
3.2
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
VOi
Output voltage initial setting and
accuracy
TP1 = 25°C, VI = 53 V, IO = 0 A
Output adjust range
See operating information
4.0
Output voltage tolerance band
0-100% of max IO
11.5
Line regulation
max IO
Load regulation
VI = 53 V, 0-100% of max IO
Vtr
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
ttr
Load transient recovery time
VO
tr
ts
tf
tRC
29.5
W
133
140
147
kHz
12.415
12.45
12.485
V
13.2
V
500
12.7
V
20
55
mV
600
700
mV
±0.4
V
150
µs
10-100% of max IO,
TP1, TP3 = 25ºC, VI = 53 V
23
ms
39
ms
3.6
7
ms
(from VI off to 10% of VO)
max IO
IO = 0 A, CO = 0 mF
RC start-up time
max IO
27
ms
RC shutdown fall time
max IO
5.1
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
Ramp-up time
(from 10−90% of VOi)
Start-up time
(from VI connection to 90% of VOi)
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
Isc
Short circuit current
TP1, TP3 = 25ºC, see Note 1
Cout
Recommended Capacitive Load
TP1, TP3 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
%
7
0
VO = 10.8 V, TP1, TP3 < max TP1, TP3
See ripple & noise section,
max IO , see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RC-voltage
s
s
35
A
44
A
37
41
0.1
3.5
6
mF
60
150
mVp-p
12
A
15.6
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
24 (29)
No.
2/1301-BMR 456Technical
Uen
Specification 28
EMAOLII
Approved
Checked
Date
Rev
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.45 V, 63 A / 747 W, two products in parallel
2 × BMR 456 0007/014
Efficiency
Power Dissipation
[W]
45
[%]
100
40
35
95
36 V
90
48 V
53 V
85
75 V
80
30
36 V
25
48 V
20
53 V
15
75 V
10
5
75
0
0
10
20
30
40
50
60
0
[A]
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
10
20
30
40
50
60
[A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Output Characteristics
Current Limit Characteristics
[V]
12.5
[V]
13.0
12.4
11.0
36 V
12.3
36 V
12.2
48 V
53 V
12.1
75 V
12.0
11.9
9.0
48 V
53 V
7.0
75 V
5.0
3.0
63
11.8
0
10
20
30
40
50
60
67
69
71
73
75
77
79
81
83 [A]
[A ]
Output voltage vs. load current at TP1, TP3 = +25°C
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 63 A resistive load.
65
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
Output Load Transient Response
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (10 ms/div.).
Output voltage response to load current Top trace: output voltage (0.5 V/div.).
step-change (15.8-47.3-15.8 A) at:
Bottom trace: output current (20 A/div.).
TP1, TP3 =+25°C, VI = 53 V, CO = 3.5 mF. Time scale: (0.5 ms/div.).
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Date
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Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.45 V, 35 A / 415 W
BMR 456 0007/014
Output Current Derating – Open frame
[A]
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
15
1.0 m/s
10
0.5 m/s
Na t. Con v.
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[°C/W]
[A]
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
15
1.0 m/s
10
0.5 m/s
5
Na t. Con v.
6
5
4
3
2
1
0
0
0
20
40
60
80
0.0
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate + Heat sink
[A]
35
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Thermal resistance vs. airspeed measured at the converter. Tested in
wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
3.0 m/s
40
2.0 m/s
35
30
1.5 m/s
25
15
1.0 m/s
10
0.5 m/s
20
15
30
25
20
Na t. Con v.
5
Ta mb
8 5°C
10
5
0
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
0
20
40
60
80
100 [°C]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
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Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
12.45 V, 39 A / 462 W Electrical Specification
BMR 456 0011/017
TP1, TP3 = -40 to +90ºC, VI = 40 to 60 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions.
Additional CIn = 0.1 mF, Cout = 3.9 mF, Configuration File: 19010-CDA 102 0314/017
Characteristics
Conditions
min
typ
max
VI
Input voltage range
40
VIoff
Turn-off input voltage
Decreasing input voltage
36
VIon
Turn-on input voltage
Increasing input voltage
38
CI
Internal input capacitance
PO
Output power
V
37
38
V
39
40
18
0
50% of max IO
Unit
60
V
μF
462
W
96.7
max IO
95.7
50% of max IO , VI = 48 V
96.8
η
Efficiency
max IO , VI = 48 V
95.6
Pd
Power Dissipation
max IO
21.0
Pli
Input idling power
IO = 0 A, VI = 53 V
2.8
W
PRC
Input standby power
VI = 53 V (turned off with RC)
0.4
W
fs
Default switching frequency
0-100% of max IO
VOi
Output voltage initial setting and
accuracy
TP1 = +25°C, VI = 53 V, IO = 0 A
Output adjust range
See operating information
4.0
Output voltage tolerance band
0-100% of max IO
11.5
Line regulation
max IO
Load regulation
VI = 53 V, 0-100% of max IO
Vtr
Load transient
voltage deviation
VI = 53 V, Load step 25-75-25% of
max IO, di/dt = 1 A/μs
ttr
Load transient recovery time
VO
tr
ts
tf
tRC
Ramp-up time
(from 10−90% of VOi)
Start-up time
30.5
W
133
140
147
kHz
12.415
12.45
12.485
V
13.2
V
500
12.7
V
31
60
mV
600
700
mV
±0.4
V
150
µs
23
ms
10-100% of max IO,
TP1 = 25ºC, VI = 53 V
39
ms
3
7
ms
(from VI off to 10% of VO)
max IO
IO = 0 A, CO = 0 mF
RC start-up time
max IO
27
ms
RC shutdown fall time
max IO
4.5
ms
(from RC off to 10% of VO)
IO = 0 A, CO = 0 mF
(from VI connection to 90% of VOi)
Vin shutdown fall time
IO
Output current
Ilim
Current limit threshold
Isc
Short circuit current
TP1 = 25ºC, see Note 1
Cout
Recommended Capacitive Load
TP1 = 25ºC, see Note 2
VOac
Output ripple & noise
OVP
Over voltage protection
RC
%
7
0
VO = 10.8 V, TP1, TP3 < max TP1, TP3
See ripple & noise section,
max IO, see Note 3
TP1, TP3 = 25°C, VI = 53 V,
10-100% of max IO
Sink current, see Note 4
See operating information
Trigger level
Decreasing / Increasing RC-voltage
s
s
39
A
47
A
41
44
0.1
3.9
6
mF
50
110
mVp-p
14
A
15.6
V
0.7
2.6 / 2.9
Note 1: OCP in hic-up mode
Note 2: Low ESR-value
Note 3: Cout = 100 µF, external capacitance
Note 4: Sink current drawn by external device connected to the RC pin. Minimum sink current required guaranteeing activated RC function.
mA
V
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Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.45 V, 70 A / 830 W, two products in parallel
2 × BMR 456 0011/017
Efficiency
Power Dissipation
[%]
[W]
45
100
40
35
95
40 V
90
48 V
53 V
85
60 V
80
30
40 V
25
48 V
20
53 V
15
60 V
10
5
75
0
0
10
20
30
40
50
60
70 [A]
0
Efficiency vs. load current and input voltage at TP1, TP3 = +25C
10
20
30
40
50
60
70 [A]
Dissipated power vs. load current and input voltage at
TP1, TP3 = +25°C
Output Characteristics
Current Limit Characteristics
12.5
[V]
13.0
12.4
11.0
[V]
12.3
40 V
12.2
40 V
9.0
48 V
48 V
12.1
53 V
12.0
60 V
53 V
7.0
60 V
5.0
11.9
3.0
11.8
0
10
20
30
40
50
60
70 [A]
Output voltage vs. load current at TP1, TP3 = +25°C
Start-up
Start-up enabled by connecting VI at:
TP1, TP3 = +25°C, VI = 53 V,
IO = 70 A resistive load.
70
75
80
85
90 [A]
Output voltage vs. load current at IO > max IO , TP1, TP3 = +25°C
Output Load Transient Response
Top trace: output voltage (5 V/div.).
Bottom trace: input voltage (50 V/div.).
Time scale: (10 ms/div.).
Output voltage response to load current Top trace: output voltage (0.5 V/div.).
step-change (17.5-52.5-17.5 A) at:
Bottom trace: output current (20 A/div.).
TP1, TP3 =+25°C, VI = 53 V, CO = 3.9 mF Time scale: (0.5 ms/div.).
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Reference
1/28701-FGC 101 1823 revD February 2013
E
Input 36-75 V, Output up to 39 A / 468 W
© Ericsson AB
Typical Characteristics
12.45 V, 39 A / 462 W
BMR 456 0011/017
Output Current Derating – Open frame
[A]
40
35
3.0 m/s
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
Nat. C onv.
5
0
0
20
40
60
80
100
[°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base plate
Thermal Resistance – Base plate
[°C/W]
[A]
40
3.0 m/s
35
30
2.0 m/s
25
1.5 m/s
20
1.0 m/s
15
0.5 m/s
10
Na t. Con v.
5
6
5
4
3
2
1
0
0
0
20
40
60
80
0.0
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Output Current Derating – Base Plate + Heat sink
[A]
40
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Thermal resistance vs. airspeed measured at the converter. Tested
in wind tunnel with airflow and test conditions as per the Thermal
consideration section. VI = 53 V.
Output Current Derating – Cold wall sealed box
A
3.0 m/s
35
40
35
30
2.0 m/s
25
1.5 m/s
25
20
1.0 m/s
20
15
0.5 m/s
10
Na t. Con v.
5
0
30
Ta mb
8 5°C
15
10
5
0
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section. Tested with Plate Fin
Transverse heatsink, height 0.23 In, P0114 Thermal Pad.
0
20
40
60
80
100 [°C]
Available load current vs. base plate temperature at 85ºC ambient.
VI = 53 V. See Thermal Consideration section.
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Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
F
© Ericsson AB
EMC Specification
Conducted EMI measured according to EN55022, CISPR 22
and FCC part 15J (see test set-up). See Design Note 009 for
detailed information. The fundamental switching frequency is
140 kHz for BMR 456 at VI = 53 V, max IO.
Conducted EMI Input terminal value (typ)
Test set-up
Layout recommendations
The radiated EMI performance of the product will depend on
the PWB layout and ground layer design. It is also important
to consider the stand-off of the product. If a ground layer is
used, it should be connected to the output of the product and
the equipment ground or chassis.
EMI without filter
Optional external filter for class B
Suggested external input filter in order to meet class B in
EN 55022, CISPR 22 and FCC part 15J.
0
C4
L1
C1
L2
+
C3
C2
+
Module
-
-
R
Filter components:
C1 = 1 µF
C2 = 1 µF+220 µF
C3 = 1 µF+220 µF
C4,C5 = 2.2 nF
L1 = 810 µH
L2 = 810 µH
A ground layer will increase the stray capacitance in the PWB
and improve the high frequency EMC performance.
Output ripple and noise
Output ripple and noise measured according to figure below.
See Design Note 022 for detailed information.
C5
0
Output ripple and noise test setup
EMI with filter
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Input 36-75 V, Output up to 39 A / 468 W
Operating information
2 (8)
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
F
© Ericsson AB
internal pull up resistor. The remote control functions can also
be configured using the PMBus
Power Management Overview
This product is equipped with a PMBus interface. The product
incorporates a wide range of readable and configurable power
management features that are simple to implement
with a minimum of external components. Additionally, the
product includes protection features that continuously
safeguard the load from damage due to unexpected system
faults. A fault is also shown as an alert on the SALERT pin.
The following product parameters can continuously be
monitored by a host: Input voltage, output voltage/current,
duty cycle and internal temperature.
The device should be capable of
sinking 0.7 mA. When the RC pin is
left open, the voltage generated on
the RC pin is max 6 V. The standard
product is provided with “negative
logic” remote control and will be off
until the RC pin is connected to the
-In. To turn on the product the voltage
between RC pin and -In should be
less than 1 V.
The product is delivered with a default configuration suitable
for a wide range operation in terms of input voltage, output
voltage, and load. The configuration is stored in an internal
Non-Volatile Memory (NVM). All power management functions
can be reconfigured using the PMBus interface. Please
contact your local Ericsson Power Modules representative for
design support of custom configurations or appropriate SW
tools for design and down-load of your own configurations.
To turn off the product the RC pin should be left open for a
minimum of time 150 µs, the same time requirement applies
when the product shall turn on. In situations where it is desired
to have the product to power up automatically without the
need for control signals or a switch, the RC pin can be wired
directly to –In or disabled via the 0xE3 command. The logic
option for the primary remote control is configured via 0xE3
command using the PMBus.
Input Voltage
The BMR456 consists of two different product families
designed for two different input voltage ranges, 36 to 75 Vdc
and 40 to 60 Vdc, see ordering information.
Remote Control (secondary side)
The CTRL-pin can be configured as remote control via the
PMBus interface. In the default configuration the CTRL-pin is
disabled and floating. The output can be configured to internal
pull-up to 3.3 V using the MFR_MULTI_PIN_CONFIG (0xF9)
PMBus command. The CTRL-pin can be left open when not
used. The logic options for the secondary remote control can
be positive or negative logic. The logic option for the
secondary remote control is configured via ON_OFF_CONFIG
(0x02) command using the PMBus interface, see also
MFR_MULTI_PIN_CONFIG section.
The input voltage range 36 to 75 Vdc meets the requirements
of the European Telecom Standard ETS 300 132-2 for normal
input voltage range in –48 and –60 Vdc systems, -40.5 to
-57.0 V and –50.0 to -72 V respectively.
At input voltages exceeding 75 V, the power loss will be higher
than at normal input voltage and TP1 must be limited to
absolute max +125°C. The absolute maximum continuous
input voltage is 80 Vdc.
The input voltage range 40 to 60 Vdc meets the requirements
for normal input voltage range in -48 V systems, -40.5 to
-57.0 V. At input voltages exceeding 60 V, the power loss will
be higher than at normal input voltage and TP1 must be limited
to absolute max +125°C. The absolute maximum continuous
input voltage is 65 Vdc.
Turn-off Input Voltage
The product monitors the input voltage and will turn on and
turn off at predetermined levels. The minimum hysteresis
between turn on and turn off input voltage is 2 V. The turn on
and turn off levels of the product can be reconfigured using
the PMBus interface
Remote Control (RC)
The products are fitted with a configurable remote control
function. The primary remote control is referenced to the
primary negative input connection (-In). The RC function
allows the converter to be turned on/off by an external device
like a semiconductor or mechanical switch. The RC pin has an
Input and Output Impedance
The impedance of both the input source and the load will
interact with the impedance of the product. It is important that
the input source has low characteristic impedance. Minimum
recommended external input capacitance is 100 µF. The
electrolytic capacitors will be degraded in low temperature.
The input capacitance in low temperature should be
equivalent to 100 µF in 20degree. The performance in some
applications can be enhanced by addition of external
capacitance as described under External Decoupling
Capacitors.
External Decoupling Capacitors
When powering loads with significant dynamic current
requirements, the voltage regulation at the point of load can
be improved by addition of decoupling capacitors at the load.
The most effective technique is to locate low ESR ceramic and
electrolytic capacitors as close to the load as possible, using
several parallel capacitors to lower the effective ESR. The
ceramic capacitors will handle high-frequency dynamic load
changes while the electrolytic capacitors are used to handle
low frequency dynamic load changes. Ceramic capacitors will
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Input 36-75 V, Output up to 39 A / 468 W
also reduce any high frequency noise at the load. It is equally
important to use low resistance and low inductance PWB
layouts and cabling. External decoupling capacitors will
become part of the product’s control loop. The control loop is
optimized for a wide range of external capacitance and the
maximum recommended value that could be used without any
additional analysis is found in the electrical specification.
The ESR of the capacitors is a very important parameter.
Stable operation is guaranteed with a verified ESR value of
>10 mΩ across the output connections.
For further information please contact your local Ericsson
Power Modules representative.
Parallel Operation (Droop Load Share, DLS)
The BMR456, DLS products, (product-number ending /013,
/014, /016 or /017) are variants that can be connected in
parallel. The products have a pre-configured voltage droop:
The stated output voltage set point is at no load. The output
voltage will decrease when the load current is increased. The
voltage will droop 0.6 V while load reaches max load. This
feature allows the products to be connected in parallel and
share the current with 10% accuracy. Up to 90% of max
output current can be used from each product.
When running DLS-products in parallel command (0xF9) must
be set according to MFR_MULTI_PIN_CONFIG. To prevent
unnecessary current stress, changes of the output voltage
must be done with the output disabled. This must be
considered for all commands that affect the output voltage.
Voltage regulation DLS products
Output Voltage [V]
12.8
Module 1
12.6
Module 2
Module 1+2
12.4
12.2
12.0
11.8
11.6
0
10
20
30
40
50
60
3 (8)
70
Output Current [A]
Feed Forward Capability
The BMR456 products have a feed forward function
implemented that can handle sudden input voltage changes.
The output voltage will be regulated during an input transient
and will typically stay within 10% when an input transient is
applied.
PMBus configuration and support
The product provides a PMBus digital interface that enables
the user to configure many aspects of the device operation as
well as monitor the input and output parameters.
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
F
© Ericsson AB
Please contact your local Ericsson Power Modules
representative for appropriate SW tools to down-load new
configurations.
Output Voltage Adjust using PMBus
The output voltage of the product can be reconfigured using
the PMBus interface.
Margin Up/Down Controls
These controls allow the output voltage to be momentarily
adjusted, either up or down, by a nominal 10%. This provides
a convenient method for dynamically testing the operation of
the load circuit over its supply margin or range. It can also be
used to verify the function of supply voltage supervisors.
The margin up and down levels of the product can be reconfigured using the PMBus interface.
Soft-start Power Up
The default rise time of the ramp up is 10 ms. When starting
by applying input voltage the control circuit boot-up time adds
an additional 15 ms delay. The soft-start power up of the
product can be reconfigured using the PMBus interface.
The DLS variants have a pre-configured ramp up time of
25 ms.
Remote Sense
The product has remote sense that can be used to
compensate for voltage drops between the output and the
point of load. The sense traces should be located close to the
PWB ground layer to reduce noise susceptibility. The remote
sense circuitry will compensate for up to 10% voltage drop
between output pins and the point of load. If the remote sense
is not needed +Sense should be connected to +Out and
-Sense should be connected to -Out. To be able to use remote
sense the converter must be equipped with a Communication
interface.
Temperature Protection (OTP, UTP)
The products are protected from thermal overload by an
internal temperature shutdown protection.
When TP1 as defined in thermal consideration section is
exceeded the product will shut down. The product will make
continuous attempts to start up (non-latching mode) and
resume normal operation automatically when the temperature
has dropped below the temperature threshold set in the
command OT_WARN_LIMIT (0x51); the hysteresis is defined
in general electrical specification.
The OTP and hysteresis of the product can be re-configured
using the PMBus interface. The product has also an under
temperature protection. The OTP and UTP fault limit and fault
response can be configured via the PMBus. Note: using the
fault response “continue without interruption” may cause
permanent damage to the product
Over Voltage Protection (OVP)
The product includes over voltage limiting circuitry for
protection of the load. The default OVP limit is 30% above the
nominal output voltage. If the output voltage exceeds the OVP
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Input 36-75 V, Output up to 39 A / 468 W
Power Good
The product provides Power Good (PG) flag in the Status
Word register that indicates the output voltage is within a
specified tolerance of its target level and no fault condition
exists. If specified in section Connections, the product also
provides a PG signal output. The Power Good signal is by
default configured as active low, Push-pull and can be reconfigured via the PMBus interface. The Power Good output
can be configured as Push-pull or “High Z when active” to
permit AND’ing of parallel devices. It is not recommended to
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
Stand alone, Power Good Push-pull, PMBus
Control (0x04)
Stand alone, Power Good Push-pull,
Sec RC w/ pull up/down (0x05)
Stand alone, Power Good High Z when
active, PMBus Control (0x24)
Stand alone, Power Good High Z when
active, Sec RC w/ pull up/down (0x25)
1) When not used
with PMBus, the
CTRL input can be
internally pulled up
or down depending
on if it is active high
or low. When active
low it will be pulled
up and vice versa
1
Stand alone, Sec RC w/ pull up/down (0x01)
Bit 5
Power Good High Z
when active
Bit 4
Tracking enable
(N/A)
Bit 3
External reference
(N/A)
Bit 2
Power Good
Enable
Bit 1
Reserved
Bit 0
Secondary Remote
Control Pull
up/down resistor
enable 1)
1
Stand alone, PMBus Control (0x00)
Bit 7:6
00 = Stand alone
01 = Slave (N/A)
10 = DLS
11 = Master (N/A)
DLS, Power Good High Z when active,
Sec RC w/ pull up/down (0xA7)
Pre-bias Start-up Capability
The product has a Pre-bias start up functionality and will not
sink current during start up if a Pre-bias source is present at
the output terminals. If the Pre-bias voltage is lower than the
target value set in VOUT_COMMAND (0x21), the product will
ramp up to the target value. If the Pre-bias voltage is higher
than the target value set in VOUT_COMMAND (0x21), the
product will ramp down to the target value and in this case
sink current for a limited of time set in the command
TOFF_MAX_WARN_LIMIT (0x66).
MFR_MULTI_PIN_CONFIG
The MFR_MULTI_PIN_CONFIG (0xF9) command enables or
disables different functions inside the product. This command
can be configured according to the table for different functions.
DLS, Power Good High Z when active,
PMBus Control (0xA6)
Input Over/Under voltage protection
The input of the product can be protected from high input
voltage and low input voltage. The over/under-voltage fault
level and fault response can be configured via the PMBus
interface.
Switching frequency adjust using PMBus
The switching frequency is set to 140 kHz as default but this
can be reconfigured via the PMBus interface. The product is
optimized at this frequency but can run at lower and higher
frequency, (125-150 kHz). The electrical performance can be
affected if the switching frequency is changed.
DLS, Power Good Push-pull,
Sec RC w/ pull up/down (0x87)
The over current protection of the product can be reconfigured
using the PMBus interface.
Synchronization, Tracking and External reference
This product does not support synchronization, tracking or
external reference.
DLS, Power Good Push-pull, PMBus Control
(0x86)
Droop Load Share variants (DLS) will enter hic-up mode, with
a trip voltage, 0.04×Vout, set in command
IOUT_OC_LV_FAULT_LIMIT (0x48). Above the trip voltage in
command (0x48) the product will continue operate while
maintaining the output current at the value set by
IOUT_OC_FAULT_LIMIT (0x46).
use Push-pull when paralleling PG-pins, see
MFR_MULTI_PIN_CONFIG.
DLS, Sec RC w/ pull up/down (0x83)
Over Current Protection (OCP)
The product includes current limiting circuitry for protection at
continuous overload. The default setting for the product is hicup mode if the maximum output current is exceeded and the
output voltage is below 0.3×Vout, set in command
IOUT_OC_LV_FAULT_LIMIT (0x48). Above the trip voltage
value in command 0x48 the product will continue operate
while maintaining the output current at the value set by
IOUT_OC_FAULT_LIMIT (0x46). The load distribution should
be designed for the maximum output short circuit current
specified.
© Ericsson AB
DLS, PMBus Control (0x82)
limit, the product can respond in different ways.
The default response from an over voltage fault is to
immediately shut down. The device will continuously check for
the presence of the fault condition, and when the fault
condition no longer exists the device will be re-enabled.
The OVP fault level and fault response can be re-configured
using the PMBus interface.
Reference
1/28701-FGC 101 1823 revD February 2013
The MFR_MULTI_PIN_CONFIG can be reconfigured using
the PMBus interface. Default configuration is set to Power
Good Push-Pull (0x04) for stand alone variants and DLS
Power Good Push-Pull (0x86) for Droop Load Share variants.
User customized settings
This product has two data storage set: Default data (Ericsson
factory) and User data. The User data set’s priority is higher
than the Default data. The User data area is empty while
shipped to customer. After boot-up, if the controller found no
data stored in User data area, it will load Default data instead.
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
No.
EMAOLII
Approved
Checked
30/1301-BMR 456
Uen
Technical
Specification 37
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Customer can change the RAM data and store the changes
into flash memory by PMBUS Store_User_All, next power
cycle will load the User data into RAM for execute.
Store_Default_All is write protected to ensure the factory
settings is always available for recovery.
13.4
13.4
13.2
13.2
13.0
13.0
12.8
12.8
Vout [V]
Vout [V]
Output Voltage Regulation
The BMR456 products are designed to be fully regulated
within the plotted area. Operating outside this area is not
recommended.
12.6
12.4
12.2
12.6
12.4
12.2
12.0
12.0
35
45
55
65
75
Vin [V]
Vin range: 36-75Vdc
35 40
45 50 55
60 65
Vin [V]
Vin range:40-60Vdc
5 (8)
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
F
© Ericsson AB
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
EMAOLII
Approved
6 (8)
No.
Checked
30/1301-BMR 456
Uen
Technical
Specification 38
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
F
© Ericsson AB
Thermal Consideration
General
The product is designed to operate in different thermal
environments and sufficient cooling must be provided to
ensure reliable operation. For products mounted on a PWB
without a heat sink attached, cooling is achieved mainly by
conduction, from the pins to the host board, and convection,
which is dependant on the airflow across the product.
Increased airflow enhances the cooling of the product. The
Output Current Derating graph found in the output section for
each model provides the available output current vs. ambient
air temperature and air velocity at VI =53 V.
The product is tested on a 254 x 254 mm, 35 µm (1 oz),
16-layer test board mounted vertically in a wind tunnel with a
cross-section of 608 x 203 mm.
For products with base plate used in a sealed box/cold wall
application, cooling is achieved mainly by conduction through
the cold wall. The Output Current Derating graphs are found in
the output section for each model. The product is tested in a
sealed box test set up with ambient temperatures 85, 55 and
25°C. See Design Note 028 for further details.
Definition of product operating temperature
The product operating temperature is used to monitor the
temperature of the product, and proper thermal conditions
can be verified by measuring the temperature at positions
P1, P2, P3 and P4. The temperature at these positions (TP1,
TP2, TP3, TP4) should not exceed the maximum temperatures
in the table below. The number of measurement points may
vary with different thermal design and topology.
Temperatures above maximum TP1, measured at the
reference point P1 (TP3 / P3 for base plate versions) are not
allowed and may cause permanent damage.
Position
Description
Max temperature
P1
PWB (reference point, open
TP1=125º C
frame)
P2
Opto-coupler
TP2=105º C
P3
PWB (reference point for
base-plate version)
TP3=125º C
P4
Primary MOSFET
TP4=125º C
Ericsson Internal
PRODUCT SPECIFICATION
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Prepared (also subject responsible if other)
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Approved
7 (8)
No.
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30/1301-BMR 456
Uen
Technical
Specification 39
Date
BMR456
series
Bus Converters
SEC/D
(Julia
You) Fully regulated Advanced
EZHIXZH
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
F
© Ericsson AB
The actual temperature will be dependent on several factors
such as the PWB size, number of layers and direction of
airflow.
Connections (Top view)
Open frame
Pin
Designation
Function
1
+In
Positive Input
2
RC
Remote Control
3
Case
Case to GND (optional)
4
-In
Negative Input
5
-Out
Negative Output
6
S+
Positive Remote Sense
7
S-
Negative Remote Sense
Ambient Temperature Calculation
For products with base plate the maximum allowed ambient
temperature can be calculated by using the thermal
resistance.
8
SA0
Address pin 0
9
SA1
Address pin 1
10
SCL
PMBus Clock
1. The power loss is calculated by using the formula
((1/η) - 1) × output power = power losses (Pd).
η = efficiency of product. E.g. 95 % = 0.95
11
SDA
PMBus Data
12
PG
Power Good output
13
DGND
PMBus ground
14
SALERT
PMBus alert signal
15
CTRL
PMBus remote control
16
+Out
Positive Output
Base plate
(Best air flow direction is from positive to negative pins.)
2. Find the thermal resistance (Rth) in the Thermal Resistance
graph found in the Output section for each model. Note that
the thermal resistance can be significantly reduced if a
heat sink is mounted on the top of the base plate.
Calculate the temperature increase (∆T).
∆T = Rth x Pd
3. Max allowed ambient temperature is:
Max TP1 - ∆T.
E.g. BMR 456 0100/002 at 2m/s:
1. ((
1 ) - 1) × 468 W = 24.6 W
0.95
2. 24.6 W × 2.8°C/W = 69.0°C}
3. 125 °C - 69.0°C = max ambient temperature is 56°C
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
SECSUND
Approved
1 (4)
No.
Checked
31/1301-BMR 456+
Uen
Technical
Specification 40
Date
BMR456
series
SEC/D
(Julia
You) Fully regulated Advanced
EMAOLIIBus Converters
2012-06-25
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
B
© Ericsson AB
PMBus Interface
This product provides a PMBus digital interface that enables
the user to configure many aspects of the device operation as
well as to monitor the input and output voltages, output current
and device temperature. The product can be used with any
standard two-wire I2C or SMBus host device. In addition, the
product is compatible with PMBus version 1.2 and includes an
SALERT line to help mitigate bandwidth limitations related to
continuous fault monitoring. The product supports 100 kHz and
400 kHz bus clock frequency only. The PMBus signals, SCL,
SDA and SALERT require passive pull-up resistors as stated in
the SMBus Specification. Pull-up resistors are required to
guarantee the rise time as follows:
Eq. 7
τ = R P C p ≤ 1us
where Rp is the pull-up resistor value and Cp is the bus load.
The maximum allowed bus load is 400 pF. The pull-up resistor
should be tied to an external supply between 2.7 to 5.5 V,
which should be present prior to or during power-up. If the
proper power supply is not available, voltage dividers may be
applied. Note that in this case, the resistance in the equation
above corresponds to parallel connection of the resistors
forming the voltage divider.
Schematic of connection of address resistors.
SA0/SA1 Index
0
It is recommended to always use PEC (Packet Error Check)
when communicating via PMBus. For these products it is a
requirement to use PEC when using Send Byte to the device,
for example command “RESTORE_DEFAULT_ALL”.
Monitoring via PMBus
A system controller (host device) can monitor a wide variety of
parameters through the PMBus interface. The controller can
monitor fault conditions by monitoring the SALERT pin, which
will be asserted when any number of pre-configured fault or
warning conditions occur. The system controller can also
continuously monitor any number of power conversion
parameters including but not limited to the following:
•
•
•
•
•
•
Input voltage
Output voltage
Output current
Internal junction temperature
Switching frequency (Monitors the set value not actual
frequency)
Duty cycle
Software Tools for Design and Production
For this products Ericsson provides software for configuring
and monitoring via the PMBus interface.
For more information please contact your local
Ericsson sales representative.
PMBus Addressing
The following figure and table show recommended resistor
values with min and max voltage range for hard-wiring PMBus
addresses (series E12, 1% tolerance resistors suggested):
RSA0/RSA1 [kΩ]
10
1
22
2
33
3
47
4
68
5
100
6
150
7
220
The SA0 and SA1 pins can be configured with a resistor to
GND according to the following equation.
PMBus Address = 8 x (SA0value) + (SA1 value)
If the calculated PMBus address is 0, 11 or 12, PMBus address
127 is assigned instead. From a system point of view, the user
shall also be aware of further limitations of the addresses as
stated in the PMBus Specification. It is not recommended to
keep the SA0 and SA1 pins left open.
I2C/SMBus – Timing
Setup and hold times timing diagram
The setup time, tset, is the time data, SDA, must be stable
before the rising edge of the clock signal, SCL. The hold time
thold, is the time data, SDA, must be stable after the rising edge
of the clock signal, SCL. If these times are violated incorrect
data may be captured or meta-stability may occur and the bus
communication may fail. When configuring the product, all
standard SMBus protocols must be followed, including clock
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
31/1301-BMR 456+
Uen
Technical
Specification 41
SECSUND
Approved
2 (4)
No.
Checked
Date
BMR456
series
SEC/D
(Julia
You) Fully regulated Advanced
EMAOLIIBus Converters
2012-06-25
Input 36-75 V, Output up to 39 A / 468 W
stretching. Additionally, a bus-free time delay between every
SMBus transmission (between every stop & start condition)
must occur. Refer to the SMBus specification, for SMBus
electrical and timing requirements. Note that an additional
delay of 5 ms has to be inserted in case of storing the RAM
content into the internal non-volatile memory.
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
B
© Ericsson AB
Designation
Cmd
Prot
IOUT_OC_FAULT_RESPONSE
47h
No
IOUT_OC_LV_FAULT_LIMIT
48h
No
IOUT_OC_WARN_LIMIT
4Ah
No
OT_FAULT_LIMIT
4Fh
No
OT_FAULT_RESPONSE
50h
No
OT_WARN_LIMIT
51h
No
UT_WARN_LIMIT
52h
No
UT_FAULT_LIMIT
53h
No
UT_FAULT_RESPONSE
54h
No
VIN_OV_FAULT_LIMIT
55h
No
VIN_OV_FAULT_RESPONSE
56h
No
VIN_OV_WARN_LIMIT
57h
No
Standard PMBus Commands
VIN_UV_WARN_LIMIT
58h
No
Control Commands
VIN_UV_FAULT_LIMIT
59h
No
No
VIN_UV_FAULT_RESPONSE
5Ah
No
5Eh
No
5Fh
No
PMBus Commands
The products are PMBus compliant. The following table lists
the implemented PMBus read commands. For more detailed
information see PMBus Power System Management Protocol
Specification; Part I – General Requirements, Transport and
Electrical Interface and PMBus Power System Management
Protocol; Part II – Command Language.
Designation
OPERATION
Cmd
01h
Prot
ON_OFF_CONFIG
02h
No
POWER_GOOD_ON
WRITE_PROTECT
10h
No
POWER_GOOD_OFF
Time setting Commands
Output Commands
VOUT_MODE
20h
No
TON_DELAY
60h
No
61h
No
VOUT_COMMAND
21h
No
TON_RISE
VOUT_TRIM
22h
No
TON_MAX_FAULT_LIMIT
62h
No
VOUT_CAL_OFFSET
23h
Yes
TON_MAX_FAULT_RESPONSE
63h
No
VOUT_MAX
24h
No
TOFF_DELAY
64h
No
VOUT_MARGIN_HIGH
25h
No
TOFF_FALL
65h
No
66h
No
VOUT_MARGIN_LOW
26h
No
TOFF_MAX_WARN_LIMIT
VOUT_TRANSITION_RATE
27h
No
Status Commands (Read Only)
VOUT_SCALE_LOOP
29h
Yes
CLEAR_FAULTS
03h
No
VOUT_SCALE_MONITOR
2Ah
Yes
STATUS_BYTES
78h
No
79h
No
MAX_DUTY
32h
No
STATUS_WORD
FREQUENCY_SWITCH
33h
No
STATUS_VOUT
7Ah
No
7Bh
No
VIN_ON
35h
No
STATUS_IOUT
VIN_OFF
36h
No
STATUS_INPUT
7Ch
No
IOUT_CAL_GAIN
38h
Yes
STATUS_TEMPERATURE
7Dh
No
IOUT_CAL_OFFSET
39h
Yes
STATUS_CML
7Eh
No
Fault Commands
STATUS_OTHER
7Fh
No
VOUT_OV_FAULT_LIMIT
40h
No
Monitior Commands (Read Only)
VOUT_OV_FAULT_RESPONSE
41h
No
READ_VIN
88h
No
8Bh
No
VOUT_OV_WARN_LIMIT
42h
No
READ_VOUT
VOUT_UV_WARN_LIMIT
43h
No
READ_IOUT
8Ch
No
8Dh
No
VOUT_UV_FAULT_LIMIT
44h
No
READ_TEMPERATURE_1
VOUT_UV_FAULT_RESPONSE
45h
No
READ_TEMPERATURE_2
8Eh
No
IOUT_OC_FAULT_LIMIT
46h
No
READ_DUTY_CYCLE
94h
No
Ericsson Internal
PRODUCT SPECIFICATION
E
Prepared (also subject responsible if other)
No.
31/1301-BMR 456+
Uen
Technical
Specification 42
SECSUND
Approved
3 (4)
Checked
Date
BMR456
series
SEC/D
(Julia
You) Fully regulated Advanced
EMAOLIIBus Converters
2012-06-25
Input 36-75 V, Output up to 39 A / 468 W
Designation
Cmd
Prot
READ_FREQUENCY
95h
No
Configuration and Control Commands
USER_DATA_00
B0h
No
PMBUS_REVISION
98h
No
MFR_ID
99h
Yes
MFR_MODEL
9Ah
Yes
MFR_REVISION
9Bh
Yes
MFR_LOCATION
9Ch
Yes
MFR_DATE
9Dh
Yes
MFR_SERIAL
9Eh
Yes
STORE_DEFAULT_ALL
11h
Yes
RESTORE_DEFAULT_ALL
12h
No
STORE_USER_ALL
15h
No
RESTORE_USER_ALL
16h
No
CAPABILITY
19h
No
Product Specific Commands
MFR_POWER_GOOD_POLARITY
D0h
No
MFR_VIN_SCALE_MONITOR
D3h
Yes
MFR_SELECT_TEMP_SENSOR
DCh
No
MFR_VIN_OFFSET
DDh
Yes
MFR_VOUT_OFFSET_MONITOR
DEh
Yes
MFR_TEMP_OFFSET_INT
E1h
No
MFR_REMOTE_TEMP_CAL
E2h
No
MFR_REMOTE_CTRL
E3h
No
MFR_DEAD_BAND_DELAY
E5h
Yes
MFR_TEMP_COEFF
E7h
Yes
MFR_DEBUG_BUFF
F0h
No
MFR_SETUP_PASSWORD
F1h
No
MFR_DISABLE_SECURITY_ONCE
F2h
No
MFR_DEAD_BAND_IOUT_THRESHOLD
F3h
Yes
MFR_SECURITY_BIT_MASK
F4h
Yes
MFR_PRIMARY_TURN
F5h
Yes
MFR_SECONDARY_TURN
MFR_ILIM_SOFTSTART
F6h
F8h
Yes
No
MFR_MULTI_PIN_CONFIG
F9h
No
MFR_DEAD_BAND_VIN_THRESHOLD
FAh
Yes
MFR_DEAD_BAND_VIN_IOUT_HYS
FBh
Yes
MFR_RESTART
FEh
No
Identification Commands (Read Only)
Supervisory Commands
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
B
© Ericsson AB
Notes:
Cmd, is short for Command.
Prot, is short for commands that are protected with security
mask.
Ericsson Internal
PRODUCT SPEC. MECHANICAL
E
Prepared (also subject responsible if other)
No.
EPETSCH/EPEIHLI
Approved
Checked
1 (5)
4/1301 - BMR 456
Uen
Technical
Specification 43
Date
BMR456
series
SEC/D
(Julia
You) Fully regulated Advanced
See §1 Bus Converters
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
C
© Ericsson AB
Mechanical Information - Hole Mount, Open Frame Version
All component placements – whether shown as physical components or symbolical outline – are for reference only and are subject to change throughout the product’s life cycle,
unless explicitly described and dimensioned in this drawing.
Ericsson Internal
PRODUCT SPEC. MECHANICAL
E
Prepared (also subject responsible if other)
No.
EPETSCH/EPEIHLI/EPEIHLI
Approved
Checked
2 (5)
4/1301 - BMR 456
Uen
Technical
Specification 44
Date
BMR456
series
SEC/D
(Julia
You) Fully regulated Advanced
See §1 Bus Converters
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
C
© Ericsson AB
Mechanical Information - Hole Mount, Base Plate Version
All component placements – whether shown as physical components or symbolical outline – are for reference only and are subject to change throughout the product’s life cycle,
unless explicitly described and dimensioned in this drawing.
Ericsson Internal
PRODUCT SPEC. MECHANICAL
E
Prepared (also subject responsible if other)
No.
EPETSCH/EPEIHLI/EPEIHLI
Approved
Checked
4/1301 - BMR 456
Uen
Technical
Specification 45
Date
BMR456
series
SEC/D
(Julia
You) Fully regulated Advanced
See §1 Bus Converters
2013-02-06
Input 36-75 V, Output up to 39 A / 468 W
3 (5)
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
C
© Ericsson AB
Mechanical Information - Surface Mount Version
All component placements – whether shown as physical components or symbolical outline – are for reference only and are subject to change throughout the product’s life cycle,
unless explicitly described and dimensioned in this drawing.
Ericsson Internal
PRODUCT SPEC.
E
Prepared (also subject responsible if other)
1 (5)
No.
5/1301 - BMR 456
Uen
Technical
Specification 46
EPETSCH
Approved
Checked
Date
BMR456 series
Fully
regulated Advanced
EAB/FJB/GM
[Ksenia
Harrisen]
See §1 Bus Converters
2012-06-11
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
C
J
1/28701-FGC 101 1823 revD February 2013
© Ericsson AB
Soldering Information - Surface Mounting
Lead-free (Pb-free) solder processes
The surface mount product is intended for forced convection or
vapor phase reflow soldering in SnPb and Pb-free processes.
For Pb-free solder processes, a pin temperature (TPIN) in
excess of the solder melting temperature (TL, 217 to 221°C for
SnAgCu solder alloys) for more than 60 seconds and a peak
temperature of 245°C on all solder joints is recommended to
ensure a reliable solder joint.
The reflow profile should be optimised to avoid excessive
heating of the product. It is recommended to have a sufficiently
extended preheat time to ensure an even temperature across
the host PWB and it is also recommended to minimize the time
in reflow.
A no-clean flux is recommended to avoid entrapment of
cleaning fluids in cavities inside the product or between the
product and the host board, since cleaning residues may affect
long time reliability and isolation voltage.
General reflow process specifications
SnPb eutectic
Pb-free
Average ramp-up (TPRODUCT)
3°C/s max
3°C/s max
TL
183°C
221°C
60 s
60 s
Minimum pin temperature
TPIN
210°C
235°C
Peak product temperature
TPRODUCT
Typical solder melting (liquidus)
temperature
Minimum reflow time above TL
225°C
260°C
6°C/s max
Maximum time 25°C to peak
6 minutes
8 minutes
Temperature
Pin
profile
Time in preheat
/ soak zone
Time 25°C to peak
Time in
reflow
For SnPb solder processes, the product is qualified for MSL 1
according to IPC/JEDEC standard J-STD-020C.
Pb-free solder processes
6°C/s max
TL
SnPb solder processes
During reflow TPRODUCT must not exceed 225 °C at any time.
Average ramp-down (TPRODUCT)
TPRODUCT maximum
TPIN minimum
Maximum Product Temperature Requirements
Top of the product PWB near pin 2 is chosen as reference
location for the maximum (peak) allowed product temperature
(TPRODUCT) since this will likely be the warmest part of the
product during the reflow process.
Product
profile
Time
For Pb-free solder processes, the product is qualified for MSL 3
according to IPC/JEDEC standard J-STD-020C.
During reflow TPRODUCT must not exceed 260 °C at any time.
Dry Pack Information
Products intended for Pb-free reflow soldering processes are
delivered in standard moisture barrier bags according to
IPC/JEDEC standard J-STD-033 (Handling, packing, shipping
and use of moisture/reflow sensitivity surface mount devices).
Using products in high temperature Pb-free soldering
processes requires dry pack storage and handling. In case the
products have been stored in an uncontrolled environment and
no longer can be considered dry, the modules must be baked
according to J-STD-033.
Thermocoupler Attachment
Minimum Pin Temperature Recommendations
Pin number 5 chosen as reference location for the minimum pin Top of PWB near pin 2 for measurement of maximum product
temperature, TPRODUCT
temperature recommendation since this will likely be the
coolest solder joint during the reflow process.
SnPb solder processes
For SnPb solder processes, a pin temperature (TPIN) in excess
of the solder melting temperature, (TL, 183°C for Sn63Pb37) for
more than 60 seconds and a peak temperature of 220°C is
recommended to ensure a reliable solder joint.
For dry packed products only: depending on the type of solder
paste and flux system used on the host board, up to a
recommended maximum temperature of 245°C could be used,
if the products are kept in a controlled environment (dry pack
handling and storage) prior to assembly.
Pin 5 for measurement of minimum pin (solder joint) temperature, TPIN
Ericsson Internal
PRODUCT SPEC.
E
Prepared (also subject responsible if other)
2 (5)
No.
EPETSCH
Approved
Checked
5/1301 - BMR 456
Uen
Technical
Specification 47
Date
BMR456 series
Fully
regulated Advanced
EAB/FJB/GM
[Ksenia
Harrisen]
See §1 Bus Converters
2012-06-11
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
C
J
1/28701-FGC 101 1823 revD February 2013
© Ericsson AB
Soldering Information - Hole Mounting
The hole mounted product is intended for plated through hole
mounting by wave or manual soldering. The pin temperature is
specified to maximum to 270°C for maximum 10 seconds.
A maximum preheat rate of 4°C/s and maximum preheat
temperature of 150°C is suggested. When soldering by hand,
care should be taken to avoid direct contact between the hot
soldering iron tip and the pins for more than a few seconds in
order to prevent overheating.
A no-clean flux is recommended to avoid entrapment of
cleaning fluids in cavities inside the product or between the
product and the host board. The cleaning residues may affect
long time reliability and isolation voltage.
Delivery Package Information
The products are delivered in antistatic injection molded trays
(Jedec design guide 4.10D standard) and in antistatic trays.
Tray Specifications – SMD
Material
Antistatic PPE
Surface resistance
Tray thickness
10 < Ohm/square < 10
The trays can be baked at maximum
125°C for 48 hours
14.50 mm 0.571 [ inch]
Box capacity
20 products (2 full trays/box)
Tray weight
125 g empty, 574 g full tray
Bakability
5
12
JEDEC standard tray for 2x5 = 10 products.
All dimensions in mm [inch]
Tolerances: X.x ±0.26 [0.01], X.xx ±0.13 [0.005]
Note: pick up positions refer to center of pocket.
See mechanical drawing for exact location on product.
Ericsson Internal
PRODUCT SPEC.
E
Prepared (also subject responsible if other)
EPETSCH
Approved
Checked
5/1301 - BMR 456
Uen
Technical
Specification 48
Date
BMR456 series
Fully
regulated Advanced
EAB/FJB/GM
[Ksenia
Harrisen]
See §1 Bus Converters
2012-06-11
Input 36-75 V, Output up to 39 A / 468 W
Tray Specifications - TH
Material
Surface
resistance
Bakability
Tray capacity
Box capacity
Weight
PE Foam
5
10 < Ohm/square < 10
3 (5)
No.
12
The trays are not bakeable
20 converters/tray
20 products (1 full tray/box)
Product – Open frame
1100 g full tray, 140g empty tray
Product – Base plate option
1480 g full tray, 140 g empty tray
Rev
Reference
C
J
1/28701-FGC 101 1823 revD February 2013
© Ericsson AB
Ericsson Internal
PRODUCT SPEC.
E
Prepared (also subject responsible if other)
4 (5)
No.
5/1301 - BMR 456
Uen
Technical
Specification 49
EPETSCH
Approved
Checked
Date
BMR456 series
Fully
regulated Advanced
EAB/FJB/GM
[Ksenia
Harrisen]
See §1 Bus Converters
2012-06-11
Input 36-75 V, Output up to 39 A / 468 W
Rev
Reference
C
J
1/28701-FGC 101 1823 revD February 2013
© Ericsson AB
Product Qualification Specification
Characteristics
External visual inspection
IPC-A-610
Change of temperature
(Temperature cycling)
IEC 60068-2-14 Na
Temperature range
Number of cycles
Dwell/transfer time
-40 to 100°C
500
15 min/0-1 min
Cold (in operation)
IEC 60068-2-1 Ad
Temperature TA
Duration
-45°C
72 h
Damp heat
IEC 60068-2-67 Cy
Temperature
Humidity
Duration
85°C
85 % RH
1000 hours
Dry heat
IEC 60068-2-2 Bd
Temperature
Duration
125°C
1000 h
Electrostatic discharge
susceptibility
IEC 61340-3-1, JESD 22-A114
IEC 61340-3-2, JESD 22-A115
Human body model (HBM)
Machine Model (MM)
Class 2, 2000 V
Class 3, 200 V
Immersion in cleaning solvents
IEC 60068-2-45 XA, method 2
Water
Glycol ether
Isopropyl alcohol
55°C
35°C
35°C
Mechanical shock
IEC 60068-2-27 Ea
Peak acceleration
Duration
100 g
6 ms
J-STD-020C
Level 1 (SnPb-eutectic)
Level 3 (Pb Free)
225°C
260°C
MIL-STD-202G, method 108A
Duration
1000 h
IEC 60068-2-20 Tb, method 1A
Solder temperature
Duration
270°C
10-13 s
IEC 60068-2-21 Test Ua1
IEC 60068-2-21 Test Ue1
Through hole mount products
Surface mount products
All leads
All leads
Preconditioning
Temperature, SnPb Eutectic
Temperature, Pb-free
150°C dry bake 16 h
215°C
235°C
Preconditioning
Temperature, SnPb Eutectic
Temperature, Pb-free
Steam ageing
235°C
245°C
Frequency
Spectral density
Duration
10 to 500 Hz
2
0.07 g /Hz
10 min in each direction
Moisture reflow sensitivity
1
Operational life test
Resistance to soldering heat
2
Robustness of terminations
IEC 60068-2-58 test Td
1
IEC 60068-2-20 test Ta
2
Solderability
Vibration, broad band random
IEC 60068-2-64 Fh, method 1
Notes
1
Only for products intended for reflow soldering (surface mount products)
2
Only for products intended for wave soldering (plated through hole products)