100A/150W

Technical
Specification
PQ60015HPAA0
48Vin
1.5Vout 100Amp
Input
Output
Current
2000Vdc
Half-brick
Isolation
DC/DC Converter
The PQ60015HPAA0 PowerQor® Peta half-brick converter
is a next-generation, board-mountable, isolated, fixed
switching frequency DC/DC converter that uses synchronous rectification to achieve extremely high conversion
efficiency. The power dissipated by the converter is so low
that a heatsink is not required, which saves cost, weight,
height, and application effort. All of the power and control
components are mounted to the multi-layer PCB substrate
with high-yield surface mount technology for maximum reliability. The Peta series converters offer industry leading
output current for a standard “half-brick” module. The Peta
units also feature active current sharing for N+1 and parallel applications. RoHS compliant (see page 13).
PQ60015HPAA0 Module
Operational Features
• Ultra-high efficiency, >89% half load, >83% full load
• Delivers up to 100 amps of output current with minimal
derating - no heatsink required
• Wide input voltage range: 35 – 75V, with 100V 100ms
input voltage transient capability
• Fixed frequency switching provides predictable EMI performance
Protection Features
• Input under-voltage lockout disables converter at low input
voltage conditions
• Output current limit and short circuit protection>
• Active back bias limit prevents damage to converter from
external load induced pre-bias
• Output over-voltage protection
• Thermal shutdown
Mechanical Features
• Industry standard pin-out configuration
• Industry standard size: 2.3” x 2.4” (58.4 x 61.0mm)
• Total height only 0.43” (10.8mm), permits better airflow
and smaller card pitch
• Total weight: 2.9 oz. (83 grams)
Control Features
• On/Off control referenced to input side (positive and
negative logic options are available)
• Remote sense for the output voltage compensates for
output distribution drops
• Output voltage trim permits custom voltages and voltage margining
Safety Features
• 2000 V, 30MΩ input-to-output isolation
• UL 60950-1:2003
• CAN/CSA-C22.2 No. 60950-1:2003
• EN60950-1:2001
• RoHS compliant (see page 13)
Product # PQ60015HPAA0
Phone 1-888-567-9596
Optional Features
• Active current share for N+1 and parallel applications
• External Clock Synchronization pin for better EMI characteristics
• Startup Synchronization pin for more consistent start-up sequence
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 1
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
PQ60015HPAA0 Mechanical Diagram
2.40
1.600
(61.0)
(40.64)
1.400
(35.56)
1.000
(25.40)
0.700
(17.78)
0.400
(10.16)
0.43
0.200
(10.8)
(5.08)
0.145
11 10 9 8
7
(3.68)
See Note 4
65
2.30
(58.4)
1.90
(48.3)
Side View
Top View
0.19
(4.8)
1
2 A B 3
4
0.047+/-0.005
0.50
(12.7)
(1.19+/-0.12)
0.400
Bottom side
Clearance
PIN FARSIDE TYPICAL
(10.16)
0.600
(15.24)
0.800
(20.32)
1.000
(25.40)
1.400
(35.56)
PIN DESIGNATIONS
NOTES
1)
Pins 1-4, 7-9, A-B are 0.040” (1.02mm) diameter. with 0.080” (2.03mm) diameter standoff shoulders.
2)
Pins 5-6, 10-11 are 0.080” (2.03 mm) diameter with
0.125” (3.18mm) diameter standoff shoulders.
3)
Pins 3, A, & B only included in Full-Feature models.
4)
Other pin extension lengths available. Recommended pin length is 0.03” (0.76mm) greater than the PCB thickness.
5)
All Pins: Material - Copper Alloy
Finish (RoHS 5/6) - Tin/Lead over Nickel plate
Finish (RoHS 6/6) - Matte Tin over Nickel plate
6)
Undimensioned components are shown for visual reference only.
7)
All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm)
Pin
Name
Function
1
Vin(+)
2
ON/OFF
TTL input to turn converter on and off, referenced
to Vin(–), with internal pull up.
3
I share
Single wire parallel signal
4
Vin(–)
Negative input voltage
5
Vout(+)
Positive output voltage
6
Vout(–)
Negative output voltage
7
SENSE(–)
8
TRIM
9
SENSE(+)
Positive remote sense
Vout(+)
Positive output voltage
Negative output voltage
Positive input voltage
Return remote sense1
Output voltage trim
8)
Weight: 2.9 oz. (83 g) typical
10
9)
Workmanship: Meets or exceeds IPC-A-610C Class II
11
Vout(-)
A
Clock Sync
Clock synchronization
B
Start Sync
Startup synchronization
10)
UL/TUV standards require a clearance greater than 0.04”
(1.02mm) between input and output for Basic insulation. This
issue should be considered if any copper traces are on the top
side of the user’s board. Note that the ferrite cores are considered part of the input/primary circuit.
Product # PQ60015HPAA0
Phone 1-888-567-9596
www.synqor.com
Pins in Italics Shaded text are Optional
Doc.# 005-2HP651K Rev. D
05\20\09
Page 2
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
PQ60015HPAA0 ELECTRICAL CHARACTERISTICS
TA=25°C, airflow rate=300 LFM, Vin=48Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient
temperature with appropriate power derating. Specifications subject to change without notice.
Parameter Min.
Typ.
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
Operating
Operating Transient Protection
Isolation Voltage (input to output)
Operating Temperature
-40
Storage Temperature
-55
Voltage at ON/OFF input pin
-2
Voltage at Clock Sync pin
-15
INPUT CHARACTERISTICS
Max.
100
80
100
2000
100
125
18
18
Operating Input Voltage Range
35
48
75
Input Under-Voltage Lockout
Turn-On Voltage Threshold
31.5
33.3
34.4
Turn-Off Voltage Threshold
29.5
31.0
32.4
Lockout Voltage Hysteresis
2.2
2.3
2.4
Maximum Input Current
5.13
No-Load Input Current
50
70
Disabled Input Current
2
5
Inrush Current Transient Rating
0.03
Response to Input Transient
150
Input Reflected Ripple Current
2
Input Terminal Ripple Current
75
Recommended Input Fuse
20
Input Filter Component Values (C1\L\C2)
2\4\4
Recommended External Input Capacitance
47
OUTPUT CHARACTERISTICS
Units Notes & Conditions
V
V
V
V
°C
°C
V
V
Continuous
Continuous
100ms transient, square wave
Basic insulation level, Pollution degree 2
Applies to Full Feature option only
V
V
V
V
A
100% Load, 35 Vin
mA
mA
A 2s
mV
1000V/ms input transient
mA
RMS thru 10µH inductor; Figures 13 & 15
mA
RMS; Figures 13 & 14
A
Fast blow external fuse recommended
µF\µH\µF Internal values; see Figure D
µF
Typical ESR 0.1-0.2W; see Figure 13
Output Voltage Set Point
1.485
1.500
1.515
V
Output Voltage Regulation
+0.07 \ 1 +0.13 \ 2 %\mV
Over Line
+0.13 \ 2 +0.27 \ 4 %\mV
Over Load
+12
+24
Over Temperature
mV
Total Output Voltage Range
1.455
1.545
V
Output Voltage Ripple and Noise1
Peak-to-Peak
130
200
mV
RMS
38
50
mV
Operating Output Current Range
0
100
A
Output DC Current-Limit Inception
110
125
A
Output DC Current-Limit Shutdown Voltage
0.55
V
+2
+5
Current Share Accuracy (2 units paralleled)
%
Back-Drive Current Limit while Enabled
1.5
4.0
6.5
A
Back-Drive Current Limit while Disabled
0
10
50
mA
Maximum Output Capacitance
50,000
µF
DYNAMIC CHARACTERISTICS
Over sample, line, load, temperature & life
20MHz bandwidth; Figures 13 & 16
Full Load; Figures 13 & 16
Full Load; Figures 13 & 16
Subject to thermal derating; Figures 5 - 8
Output Voltage 10% Low; Figure 17
% of rated output current
Negative current drawn from output
Negative current drawn from output
1.5Vout at 100A Resistive Load
Input Voltage Ripple Rejection
70
dB
Output Voltage during Load Current Transient
For a Step Change in Output Current (0.1A/µs)
170
mV
For a Step Change in Output Current (5A/µs)
140
mV
Settling Time
100
µs
Turn-On Transient
Turn-On Time
16
30
ms
Start-Up Inhibit Time
180
200
240
ms
Output Voltage Overshoot
0
%
120 Hz; Figure 20
%
%
Figures 1 - 4
Figures 1 - 4
°C
°C
°C
Package rated to 150°C
UL rated max operating temp 130°C
See Figures 5 - 8 for derating curves
EFFICIENCY
100% Load
50% Load
TEMPERATURE LIMITS FOR POWER DERATING CURVES
83.5
89.5
Semiconductor Junction Temperature
Board Temperature
Transformer Temperature
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Isolation Resistance
Isolation Capacitance2
125
125
125
2000
30
3300
50% to 75% to 50% Iout max; Figure 11
50% to 75% to 50% Iout max; Figure 12
To within 1% Vout nom
Full load, Vout=90% nom.; Figures 9 & 10
-40°C to +125°C; Figure F
10,000 µF load capacitance, Iout = 0A
V
MW
pF
Note 1: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: [email protected])
Note 2: Higher values of isolation capacitance can be added external to the module.
Product # PQ60015HPAA0
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 3
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
ELECTRICAL CHARACTERISTICS (Continued)
Parameter P
Min.
Typ.
Max.
Units Notes & Conditions
FEATURE CHARACTERISTICS
Regulation Stage Switching Frequency
280
310
340
kHz
Isolation Stage Switching Frequency
77.5
kHz
ON/OFF Control (Option P)
Off-State Voltage -2
0.8
V
On-State Voltage
2.7
18
V
ON/OFF Control (Option N)
Off-State Voltage
2.7
18
V
On-State Voltage
-2
0.8
V
ON/OFF Control (Either Option)
Pull-Up Voltage
Vin/6
15
V
Pull-Up Resistance
42
kW
Output Voltage Trim Range
-20
+10
%
Output Voltage Remote Sense Range
+10
%
Output Over-Voltage Protection
122
127
132
%
Over-Temperature Shutdown
125
°C
Over-Temperature Shutdown Restart Hysteresis
10
°C
Load Current Scale Factor
3600
RELIABILITY CHARACTERISTICS
Figures A & B
Measured across Pins 10 & 5; Figure C
Measured across Pins 10 & 5
Over full temp range; % of nominal Vout
Average PCB Temperature
See App Note: Output Load Current Calc.
10 Hrs. TR-NWT-000332; 75% load,300LFM, 40oC Ta
106 Hrs. MIL-HDBK-217F; 75% load, 300LFM, 40oC Ta
106 Hrs. See website for latest values
Calculated MTBF (Telcordia)
2.16
Calculated MTBF (MIL-217)
1.43
Field Demonstrated MTBF
6
STANDARDS COMPLIANCE
Parameter P
Notes
UL/cUL 60950 EN60950 72/23/EEC
93/68/EEC
Needle Flame Test (IEC 695-2-2)
IEC 61000-4-2
GR-1089-CORE
Telcordia (Bellcore) GR-513
File # E194341, Basic insulation & pollution degree 2
Certified by TUV
STANDARDS COMPLIANCE
Test on entire assembly; board & plastic components UL94V-0 compliant
ESD test, 8kV - NP, 15kV air - NP (Normal Performance)
Section 7 - electrical safety, Section 9 - bonding/grounding
• An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety
certificates on new releases or download from the SynQor website.
QUALIFICATION TESTING
Parameter P
QUALIFICATION TESTING
Life Test
Vibration
Mechanical Shock
Temperature Cycling
Power/Thermal Cycling
Design Marginality
Humidity
Solderability
# Units
32
5
5
10
5
5
5
15 pins
Test Conditions
95% rated Vin and load, units at derating point, 1000 hours
10-55Hz sweep, 0.060” total excursion,1 min./sweep, 120 sweeps for 3 axis
100g minimum, 2 drops in x and y axis, 1 drop in z axis
-40°C to 100°C, unit temp. ramp 15°C/min., 500 cycles
Toperating = min to max, Vin = min to max, full load, 100 cycles
Tmin-10°C to Tmax+10°C, 5°C steps, Vin = min to max, 0-105% load
85°C, 85% RH, 1000 hours, 2 minutes on and 6 hours off
MIL-STD-883, method 2003
• Extensive characterization testing of all SynQor products and manufacturing processes is performed to ensure that we supply
robust, reliable product. Contact factory for official product family qualification document.
Product # PQ60015HPAA0
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 4
Input:
Output:
Current:
Package:
Technical Specification
95
35-75 V
1.5 V
100 A
Half-brick
90
89
90
88
Efficiency (%)
Efficiency (%)
85
80
75
35 Vin
48 Vin
75 Vin
70
87
86
85
84
25 C
40 C
83
55 C
82
65
0
10
20
30
40
50
60
70
80
90
100
0
100
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
300
400
500
Figure 2: Efficiency at nominal output voltage and 60% rated power
vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C
(nominal input voltage).
30
14.0
25
13.0
Power Dissipation (W)
Power Dissipation (W)
200
Air Flow (LFM)
Load Current (A)
20
15
10
35 Vin
48 Vin
5
12.0
11.0
10.0
25 C
40 C
55 C
9.0
75 Vin
8.0
0
0
10
20
30
40
50
60
Load Current (A)
70
80
90
0
100
100
200
300
400
500
Air Flow (LFM)
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
Figure 4: Power dissipation at nominal output voltage and 60% rated
power vs. airflow rate for ambient air temperatures of 25°C, 40°C, and
55°C (nominal input voltage).
100
90
Semiconductor junction temperature is
within 1°C of surface temperature
80
70
Iout (A)
60
50
40
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
30
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0 LFM (0 m/s)
20
10
0
0
25
40
55
70
85
Ambient Air Temperature (oC)
Figure 5: Maximum output power derating curves vs. ambient air temperature for airflow rates of 0 LFM through 400 LFM with air flowing
from input to output (nominal input voltage).
Product # PQ60015HPAA0
Phone 1-888-567-9596
Figure 6: Thermal plot of converter at 84 amp load current with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter
from input to output (nominal input voltage).
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 5
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
100
90
Semiconductor junction temperature is
within 1°C of surface temperature
80
70
Iout (A)
60
50
40
400 LFM (2.0 m/s)
30
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0 LFM (0 m/s)
20
10
0
0
25
40
55
70
85
Ambient Air Temperature (oC)
Figure 7: Maximum output power derating curves vs. ambient air temperature for airflow rates of 0 LFM through 400 LFM with air flowing
from output to input (nominal input voltage).
Figure 8: Thermal plot of converter at 82 amp load current with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter
from output to input (nominal input voltage).
Figure 9: Turn-on transient at full load (resistive load) (10 ms/div).
Input voltage pre-applied. Top Trace: Vout (500mV/div). Bottom
Trace: ON/OFF input (5V/div)
Figure 10: Turn-on transient at zero load (10 ms/div).
Top Trace: Vout (500mV/div)
Bottom Trace: ON/OFF input (5V/div)
Figure 11: Output voltage response to step-change in load current (50%-75%-50%
of Iout(max); dI/dt = 0.1A/µs). Load cap: 15µF, 450 mW ESR tantalum capacitor and
1µF ceramic capacitor. Top trace: Vout (200mV/div), Bottom trace: Iout (50A/div).
Product # PQ60015HPAA0
Phone 1-888-567-9596
Figure 12: Output voltage response to step-change in load current (50%-75%-50%
of Iout(max): dI/dt = 5A/µs). Load cap: 480µF, 15 mW ESR tantalum capacitor and
1µF ceramic capacitor. Top trace: Vout (200mV/div), Bottom trace: Iout (50A/div).
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 6
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
See Fig. 15
10 µH
See Fig. 14
source
impedance
See Fig. 16
iS
iC
VSOURCE
DC/DC
Converter
VOUT
1 µF
47 µF,
<1W ESR
15 µF,
ceramic 450mW ESR
capacitor
tantalum
capacitor
electrolytic
capacitor
Figure 13: Test set-up diagram showing measurement points for Input
Terminal Ripple Current (Figure 14), Input Reflected Ripple Current
(Figure 15) and Output Voltage Ripple (Figure 16).
Figure 14: Input Terminal Ripple Current, ic, at full rated output current and nominal input voltage with 10µH source impedance and 47µF
electrolytic capacitor (100 mA/div). (See Figure 13)
Figure 15: Input reflected ripple current, is, through a 10 µH source
inductor at nominal input voltage and rated load current (5 mA/div).
(See Figure 13)
Figure 16: Output voltage ripple at nominal input voltage and rated
load current (100 mV/div). Load capacitance: 1µF ceramic capacitor
and 15µF tantalum capacitor. Bandwidth: 20 MHz. (See Figure 13)
2.0
1.8
Output Voltage (V)
1.6
1.4
1.2
1.0
0.8
0.6
35 V
0.4
48 V
0.2
75 V
0.0
0
10
20
30
40
50
60
70
80
90
100
110
120
130
Load Current (A)
Figure 17: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
Product # PQ60015HPAA0
Phone 1-888-567-9596
Figure 18: Load current (50A/div) as a function of time when the converter attempts to turn on into a 1 mW short circuit. Top trace (2.5ms/
div) is an expansion of the on-time portion of the bottom trace.
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 7
Input:
Output:
Current:
Package:
Technical Specification
-10
0.01
-20
Forward Transmission (dB)
-30
Output Impedance (ohms)
35-75 V
1.5 V
100 A
Half-brick
0.001
35 Vin
35 Vin
48 Vin
75 Vin
-40
-50
-60
-70
-80
48 Vin
75 Vin
-90
0.0001
-100
100
1,000
Hz
10,000
100,000
Figure 19: Magnitude of incremental output impedance (Zout = vout/
iout) for minimum, nominal, and maximum input voltage at full rated
power.
0
100
1,000
Hz
10,000
Figure 20: Magnitude of incremental forward transmission (FT = vout/
vin) for minimum, nominal, and maximum input voltage at full rated
power.
100
35 Vin
48 Vin
75 Vin
35 Vin
48 Vin
-10
75 Vin
Input Impedance (ohms)
Reverse Transmission (dB)
100,000
-20
-30
-40
10
1
-50
0.1
-60
10
100
1,000
10,000
10
100,000
Hz
Figure 21: Magnitude of incremental reverse transmission (RT = iin/
iout) for minimum, nominal, and maximum input voltage at full rated
power.
100
1,000
Hz
10,000
100,000
Figure 22: Magnitude of incremental input impedance (Zin = vin/iin)
for minimum, nominal, and maximum input voltage at full rated power.
10
9
Vout Trim-up (%)
8
7
6
5
4
3
2
1
100% Load
50% Load
0% Load
0
40.0
39.5
39.0
38.5
38.0
37.5
37.0
Input Voltage (V)
36.5
36.0
35.5
35.0
Figure 23: Achievable trim-up percentage vs. input voltage. at output
loads of 0%, 50% and full load.
Product # PQ60015HPAA0
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP651K Rev. D
05\20\09
Page 8
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
BASIC OPERATION AND FEATURES
CONTROL FEATURES
The PowerQor series converter uses a two-stage power conversion
topology. The first stage is a buck-converter that keeps the output
voltage constant over variations in line, load, and temperature.
The second stage uses a transformer to provide the functions of
input/output isolation and voltage step-down to achieve the low
output voltage required.
REMOTE ON/OFF (Pin 2): The ON/OFF input, Pin 2, permits
the user to control when the converter is on or off. This input is
referenced to the return terminal of the input bus,
Vin(-). There
are two versions of the converter that differ by the sense of the
logic used for the ON/OFF input.
Both the first stage and the second stage switch at a fixed frequency for predictable EMI performance. Rectification of the transformer’s output is accomplished with synchronous rectifiers. These
devices, which are MOSFETs with a very low on-state resistance,
dissipate far less energy than Schottky diodes. This is the primary
reason that the PowerQor converter has such high efficiency, even
at very low output voltages and very high output currents.
Dissipation throughout the converter is so low that it does not
require a heatsink for operation. Since a heatsink is not required,
the PowerQor converter does not need a metal baseplate or potting material to help conduct the dissipated energy to the heatsink.
The PowerQor converter can thus be built more simply and reliably
using high yield surface mount techniques on a PCB substrate.
The PowerQor series of half-brick, quarter-brick and eighthbrick converters uses the industry standard footprint and pin-out
configuration.
ON/OFF
ON/OFF
ON/OFF
In the positive logic version, the ON/OFF input is active high
(meaning that a high turns the converter on). In the negative logic
version, the ON/OFF signal is active low (meaning that a low
turns the converter on). Figure A details five possible circuits for
driving the ON/OFF pin. Figure B is a detailed look of the internal
ON/OFF circuitry.
REMOTE SENSE(+) (Pins 9 and 7): The SENSE(+) inputs
correct for voltage drops along the conductors that connect the
converter’s output pins to the load.
Pin 9 should be connected to Vout(+) and Pin 7 should be connected to Vout(-) at the point on the board where regulation is
desired. A remote connection at the load can adjust for a voltage
drop only as large as that specified in this datasheet, that is
[Vout(+) - Vout(-)] – [Vsense(+) - Vsense(-)] <
Sense Range % x Vout
Pins 9 and 7 must be connected for proper regulation of the output voltage. If these connections are not made, the converter will
deliver an output voltage that is slightly higher than its specified
value.
Note: the output over-voltage protection circuit senses the voltage
across the output (pins 11 and 5) to determine when it should
trigger, not the voltage across the converter’s sense leads (pins
9 and 7). Therefore, the resistive drop on the board should be
small enough so that output OVP does not trigger, even during
load transients.
OUTPUT VOLTAGE TRIM (Pin 8): The TRIM input permits the
user to adjust the output voltage across the sense leads up or down
according to the trim range specifications.
Remote Enable Circuit
Vin(_)
Vin(_)
Vin(_)
Negative Logic
(Permanently Enabled)
ON/OFF
Positive Logic
(Permanently Enabled)
274k
5V
TTL/
CMOS
ON/OFF
Vin(_)
Vin(_)
Open Collector Enable Circuit
Direct Logic Drive
Figure A: Various circuits for driving the ON/OFF pin.
Product # PQ60015HPAA0
5V
Vin(+)
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ON/OFF
TTL
50k
TTL
100pF
50k
Vin(_)
Figure B: Internal ON/OFF pin circuitry
Doc.# 005-2HP651K Rev. D
05\20\09
Page 9
Input:
Output:
Current:
Package:
Technical Specification
To decrease the output voltage, the user should connect a resistor
between Pin 8 and Pin 7 (SENSE(-) input). For a desired decrease
of the nominal output voltage, the value of the resistor should be
Rtrim-down =
-2
(100%
D )
(kW)
where
Vnominal – Vdesired
Vnominal
D% =
x 100%
To increase the output voltage, the user should connect a resistor
between Pin 8 and Pin 9 (SENSE(+) input). For a desired increase
of the nominal output voltage, the value of the resistor should be
Rtrim-up =
nominal – 2
(V1.225
)xV
DES
+ VNOM
(kW)
VDES - VNOM
Figure C graphs the relationship between the trim resistor value
and Rtrim-up and Rtrim-down, showing the total range the output
voltage can be trimmed up or down.
Trim Resistance (kOhms)
1,000
% Increase in Vout
% Decrease in Vout
10
1
2
4
6
8
10
12
14
16
PROTECTION FEATURES
Input Under-Voltage Lockout: The converter is designed to
turn off when the input voltage is too low, helping avoid an input
system instability problem, described in more detail in the application note titled “Input System Instability”. The lockout circuitry is a
comparator with DC hysteresis. When the input voltage is rising,
it must exceed the typical Turn-On Voltage Threshold value (listed
on the specification page) before the converter will turn on. Once
the converter is on, the input voltage must fall below the typical
Turn-Off Voltage Threshold value before the converter will turn off.
Input Over-Voltage Shutdown: Available on PQ48 models
only. The converter turns off when the input voltage is too high,
allowing the converter to withstand an input voltage as high as
100V without destruction. The shutdown circuitry is a comparator
with DC hysteresis. When the input voltage exceeds the typical
Input Over-Voltage Shutdown value, the converter will turn off.
Once the converter is off, it will turn back on when the input voltage falls below the minimum Input Over-Voltage Shutdown value.
Output Current Limit: The maximum current limit remains
constant as the output voltage drops. However, once the impedance of the short across the output is small enough to make the
output voltage drop below the specified Output DC Current-Limit
Shutdown Voltage, the converter turns off.
The converter then enters a “hiccup mode” where it repeatedly
turns on and off at a 5 Hz (nominal) frequency with a 5% duty
cycle until the short circuit condition is removed. This prevents
excessive heating of the converter or the load board.
100
0
35-75 V
1.5 V
100 A
Half-brick
18
20
Figure C: Trim Graph for 1.5Vout module
Note: the TRIM feature does not affect the voltage at which the output over-voltage protection circuit is triggered. Trimming the output
voltage too high may cause the over-voltage protection circuit to
engage, particularly during transients.
It is not necessary for the user to add capacitance at the Trim pin.
The node is internally bypassed to eliminate noise.
Output Over-Voltage Limit: If the voltage across the output
pins exceeds the Output Over-Voltage Protection threshold, the
converter will immediately stop switching. This prevents damage
to the load circuit due to 1) excessive series resistance in output
current path from converter output pins to sense point, 2) a release
of a short-circuit condition, or 3) a release of a current limit condition. Load capacitance determines exactly how high the output
voltage will rise in response to these conditions. After 200 ms the
converter will automatically restart.
Over-Temperature Shutdown: A temperature sensor on the
converter senses the average temperature of the module. The thermal shutdown circuit is designed to turn the converter off when the
temperature at the sensed location reaches the Over-Temperature
Shutdown value. It will allow the converter to turn on again when
the temperature of the sensed location falls by the amount of the
Over-Temperature Shutdown Restart Hysteresis value.
Total DC Variation of Vout: For the converter to meet its full
specifications, the maximum variation of the DC value of Vout,
due to both trimming and remote load voltage drops, should not
be greater than that specified for the output voltage trim range.
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Doc.# 005-2HP651K Rev. D
05\20\09
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Input:
Output:
Current:
Package:
Technical Specification
APPLICATION CONSIDERATIONS
35-75 V
1.5 V
100 A
Half-brick
• Input Under-Voltage Lockout
Input System Instability: This condition can occur because
any DC/DC converter appears incrementally as a negative
resistance load. A detailed application note titled “Input System
Instability” is available on the SynQor website which provides
an understanding of why this instability arises, and shows the
preferred solution for correcting it.
Application Circuits: Figure D below provides a typical circuit
diagram which details the input filtering and voltage trimming.
• Input Over-Voltage Shutdown (not present in Quarter-brick)
• Output Over-Voltage Protection
• Over Temperature Shutdown
• Current Limit
• Short Circuit Protection
• Turned off by the ON/OFF input
Figure F shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t0, t1, and t2:
Input Filtering and External Capacitance: Figure E below
provides a diagram showing the internal input filter components.
This filter dramatically reduces input terminal ripple current, which
otherwise could exceed the rating of an external electrolytic input
capacitor. The recommended external input capacitance is specified in the “Input Characteristics” section. More detailed information is available in the application note titled “EMI Characteristics”
on the SynQor website.
Before time t0, when the input voltage is below the UVL threshold,
the unit is disabled by the Input Under-Voltage Lockout feature.
When the input voltage rises above the UVL threshold, the Input
Under-Voltage Lockout is released, and a Startup Inhibit Period is
initiated. At the end of this delay, the ON/OFF pin is evaluated,
and since it is active, the unit turns on.
Startup Inhibit Period: The Startup Inhibit Period ensures that
the converter will remain off for approximately 200ms when it is
shut down for any reason. When an output short is present, this
generates a 5Hz “hiccup mode,” which prevents the converter
from overheating. In all, there are seven ways that the converter
can be shut down, initiating a Startup Inhibit Period:
When the ON/OFF pin goes high after t2, the Startup Inhibit
Period has elapsed, and the output turns on within the typical
Turn-On Time.
At time t1, the unit is disabled by the ON/OFF pin, and it cannot
be enabled again until the Startup Inhibit Period has elapsed.
Vout(+)
Vin(+)
Vin
External
Input
Filter
Electrolytic
Capacitor
47µF
Vsense(+)
Trim
ON/OFF
Vsense(_)
Vin(_)
Rtrim-up
or
Rtrim-down
Cload
Iload
Vout(_)
Figure D: Typical application circuit (negative logic unit, permanently enabled).
L
Vin(+)
C2
C1
Vin(_)
Figure E: Internal Input Filter Diagram (component values listed on the specifications page).
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Doc.# 005-2HP651K Rev. D
05\20\09
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Input:
Output:
Current:
Package:
Technical Specification
FULL FEATURE APPLICATION NOTES
This section provides some basic application information for the
full-feature version of the PowerQor series converter. The pin-out
configuration for these optional feature pins is shown on page 2,
and the part numbering format is shown on the last page of this
specification sheet.
All units in this product family include back-drive protection to
simplify the use of multiple converters in a parallel or sequencing
application. However, any voltage applied to the output of the
converter should be kept below 120% of the rated output voltage
of the converter.
In addition to back-drive protection, these units include the following features (pins):
Current Share (pin 3): The active current share feature allows
for N+1 and parallel applications. To achieve load sharing,
directly connect the I share pins of multiple units. The load current will share equally among the multiple units (±5% at full rated
current). It is important that the Vin(-) pins of the sharing units be
directly connected and NOT placed outside of an EMI filter or
other impedance path. The voltage at the I Share pin will range
from 0 to 5 volts (at full rated current), referenced to the primaryside ground, Vin(-).
Start Sync (pin B): The Start Synchronization pin will allow
a more consistent start-up sequence. To operate this feature, connect together the Start-Sync pins of multiple current-sharing units.
This will permit immediate start-up with loads greater than the
current limit of a single unit. Without this connection, any set of
converters attempting to asynchronously start (or re-start) with a
35-75 V
1.5 V
100 A
Half-brick
load greater than the current limit of a single unit will “hiccup”.
This “hiccup” mode will continue until one converter attempts a
start at the same time as the minimum number of additional units
necessary to sustain the load condition. For example, three 50
amp units starting into a 90 amp load would require two units to
simultaneously attempt a start. The Start Sync connection synchronizes these starting attempts and provides a more consistent and
reliable start-up sequence. For details about the “hiccup mode”
or repeated startup attempts, please see the “Startup Inhibit
Period” note in this Technical Specification.
Clock Sync (pin A): The External Clock Synchronization pin
provides the ability for the user to control the EMI signature and
synchronize sensitive circuitry to quiet periods in the converter
operation. With this option, the converter can be synchronized to
an external clock signal whose frequency is greater than that of
the free-running internal clock. However, substantially raising the
converter’s frequency will reduce its efficiency. Therefore, the recommended frequency range for the external clock synchronization signal applied to this pin would be the lowest value possible
without dropping below the maximum switching frequency value
listed on the Electrical Specifications page.
The following requirements should also be met:
• The external clock signal should be referenced to the
negative input voltage, Vin(-).
• The high level of the signal should be between 3.5V and
5.0V.
• The low level should be between -0.5V and +1.2V.
• Do not apply a clock signal lower than the specified frequency.
Vin
Under-Voltage
Lockout Turn-On
Threshold
ON/OFF
(pos logic)
ON
Vout
OFF ON
OFF
ON
20ms (typical
turn on time)
200ms
(typical start-up
inhibit period)
t1
t0
200ms
200ms
t2
t
Figure F: Startup Inhibit Period (turn-on time not to scale)
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Doc.# 005-2HP651K Rev. D
05\20\09
Page 12
Input:
Output:
Current:
Package:
Technical Specification
35-75 V
1.5 V
100 A
Half-brick
PART NUMBERING SYSTEM
ORDERING INFORMATION
The part numbering system for SynQor’s dc-dc converters
follows the format shown in the example below.
The tables below show the valid model numbers and ordering
options for converters in this product family. When ordering
SynQor converters, please ensure that you use the complete
15 character part number consisting of the 12 character
base part number and the additional characters for options.
Add “-G” to the model number for 6/6 RoHS compliance.
PQ 6 0 0 1 5 H P A A 0 N N S -G
6/6 RoHS
Options (see
Ordering Information)
Model Number
Output Current
PQ60012HPAA0xyz-G
PQ60015HPAA0xyz-G
PQ60018HPAA0xyz-G
PQ60018HPA80xyz-G
PQ60025HPA80xyz-G
PQ60033HPA70xyz-G
PQ60050HPA45xyz-G
PQ60120HPA20xyz-G
Thermal Design
Performance Level
Package Size
Output Voltage
Input Voltage
Input
Voltage
35 – 75V
35 – 75V
35 – 75V
35 – 75V
35 – 75V
35 – 75V
35 – 75V
35 – 75V
Output
Voltage
1.2V
1.5V
1.8V
1.8V
2.5V
3.3V
5.0V
12V
Max Output
Current
100A
100A
100A
80A
80A
70A
45A
20A
The following options must be included in place of the x y z
spaces in the model numbers listed above.
Product Family
Options Description: x y z
The first 12 characters comprise the base part number and
the last 3 characters indicate available options. The “-G”
suffix indicates 6/6 RoHS compliance.
Enable Logic
Pin Style
Feature Set
P - Positive
N - Negative
K - 0.110"
N - 0.145"
R - 0.180"
Y - 0.250"
S - Standard
F - Full Feature
Application Notes
A variety of application notes and technical white papers can
be downloaded in pdf format from our website.
RoHS Compliance: The EU led RoHS (Restriction of Hazardous
Substances) Directive bans the use of Lead, Cadmium,
Hexavalent Chromium, Mercury, Polybrominated Biphenyls
(PBB), and Polybrominated Diphenyl Ether (PBDE) in Electrical
and Electronic Equipment. This SynQor product is 6/6 RoHS
compliant. For more information please refer to SynQor’s
RoHS addendum available at our RoHS Compliance / Lead Free
Initiative web page or e-mail us at [email protected]
Not all combinations make valid part numbers, please contact
SynQor for availability. See the Product Summary web page for
more options.
PATENTS
SynQor holds the following patents, one or more of which
might apply to this product:
5,999,417
6,594,159
6,927,987
7,119,524
6,222,742
6,731,520
7,050,309
7,269,034
6,545,890
6,894,468
7,072,190
7,272,021
6,577,109
6,896,526
7,085,146
7,272,023
Contact SynQor for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
Product # PQ60015HPAA0
978-849-0600
888-567-9596
978-849-0602
[email protected]
www.synqor.com
155 Swanson Road
Boxborough, MA 01719
USA
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Warranty
SynQor offers a three (3) year limited warranty. Complete warranty information is listed on our website or is available upon request from SynQor.
Information furnished by SynQor is believed to be accurate and reliable. However, no responsibility is assumed by SynQor for its use, nor for any
infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any
patent or patent rights of SynQor.
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Doc.# 005-2HP651K Rev. D
05\20\09
Page 13
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