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D1U3CS-D-1600-12-HC4EC Series
81mm Front End DC-DC Power Converter
PRODUCT OVERVIEW
The D1U3CS-D-1600-12-HC4EC is a highly efficient 1600 watt, DC input front end module with a 12V main output and a
choice of 3.3V (20W) standby and airflow direction. The power module is able to current share with up to eight (8) other
power modules of the same type operating in parallel or N+1 redundancy.
The supplies may be hot plugged, and include integral isolation devices.
The power modules are fully protected from overload and overvoltage and are able to auto-recover from
overtemperature faults. A Status LED is provided on the front panel and additional control and status reporting is provided
by hardware logic signals and via a PMBus™ digital interface.
A low profile sub 1U height enclosure provides an excellent power density of 29W/in3 that is ideal for delivering
reliable, efficient power to servers; workstations; storage systems and other 12V distributed power systems.
ORDERING GUIDE
FEATURES
Model Number

1600W output power (across the full DC input
voltage range)

1.57"(1U) x 11.0" x 3.2"
D1U3CS-D-1600-12-HC4EC

93% typical efficiency at 50% FL

12VDC Main output

3.3VSB output (20W)
INPUT CHARACTERISTICS
Parameter
DC Input Voltage Operating Range
Turn-on Input Voltage
Turn-off Input Voltage
Maximum Current @ VIN = -48Vdc

29W/in3 power density
DC Input Inrush Peak Current

N+1 Redundancy Capable; hot plug/swap
(up to 8 modules in parallel)

Active current sharing on 12V main output;
integral MOSFET ORING

Over-Voltage, Over-Current; Over-Temperature
Protection

Internal variable speed cooling fans
Efficiency (-48Vdc)
Reverse polarity protection
1600W
Conditions

RoHS Compliant

Two-year warranty
3.3VSB
1
Load Capacitance
Voltage Set Point
Line & Load Regulation
Ripple Voltage & Noise1
Output Current
Load Capacitance
Min
-40
-39.5
-35.5
Ramp Up
Ramp Down
1600W
Cold start between 0 to 200ms
20% FL
50% FL
100% FL
Reversed input cables; no internal
fuse failure
OUTPUT VOLTAGE CHARATERISTICS
Output
Parameter
Voltage
Voltage Set Point Accuracy
Line & Load Regulation
Ripple & Noise1
Main
12V
Output Current

PMBus™ Power Management Bus
Main
Output
12Vdc
Power Output
Conditions
Standby
Output
3.3Vdc
Typ
-48/-60
-40
-36
-40
-72
Airflow
Back to Front
Max
-72
-40.5
-36.5
40
50
100
92
93
90
+40
Min
Typ
20MHz Bandwidth
-40Vdc to -72Vdc DC
Input Voltage Range
0
3.2
0
Adc
Apk
+72
Vdc
Max
Units
Vdc
12.6
120
mVPP
133A
A
30,000
μF
Vdc
3.3
20MHz Bandwidth
-40Vdc to -72Vdc
Vdc
%
12
11.4
Units
3.4
120
6
10,000
mVPP
A
μF
Ripple and noise are measurements are to be performed with a parallel combination of a 0.1μF ceramic capacitor and 10μF tantalum
capacitance on each of the power module output measurement nodes. A short coaxial cable from measurement point to ’scope shall
be used.
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Available now at
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For full details go to
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CB
Test Certificate
and Test Report
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D1U3CS-D-1600-12-HC4EC.A02 Page 1 of 5
D1U3CS-D-1600-12-HC4EC Series
81mm Front End DC-DC Power Converter
OUTPUT CHARACTERISTICS
Parameter
Remote Sense (Main Output)
Output Rise (Monotonic)
Conditions
Overall compensation at full load; +VE & -VE connections
10% to 95% rise time
DC Ramp Up
PS_ON activation
12V, 50%-100% or 100%-50% step load; 1A/μs slew rate
3.3SB 50-100% or 100%-50% step load 1A/μs slew rate
At 100% load (between sharing modules; up to 8 in parallel)
Startup Time
Transient Response
Current Sharing Accuracy
Hot Swap Transients
Hold Up Time2
2
Max
Units
120
mV
No positive voltage excursion
1.5
2.5
s
200
ms
±600
mV
±165
±10
%
±5
%
1
ms
FL (Full Load)
Min
Typ
Min
-40
0
5
5
3000
1800
Typ
Assumes deployment on systems with dual redundant “A” and “B” DC input feeds
ENVIRONMENTAL CHARACTERISTICS
Parameter
Storage Temperature Range
Operating Temperature Range
Operating Humidity
Storage Humidity
Altitude (no derating at 40°C)
Altitude (no derating at 50°C)
Shock
Sinusoidal Vibration
MTBF
Conditions
Non-Condensing
1600W Output Power
Non-Condensing
Non-Operating
Operational, 0.5G; 5-500Hz
Telcordia SR-332 M1C1 @ 40°C
Max
70
50
95
90
Units
°C
%
m
30
395
G
K Hours
CSA/CSA-C22.2 No.60950-1-07 2nd Ed, Amendment 1:2011
ANSI/UL Std. No. 60950-1-2011
Safety Approvals (Standards)
IEC 60950-1:2005, (2nd Edition) + A1:2009
CE Marking per LVD DIRECTIVE 2006/95/EC
Input Fusing
Switching Frequency
Material Flammability
Weight
Internal 60A/170Vdc fast blow fuse on the DC line input
70KHz for the Boost Converter; 240KHz for the Main Output Converter
UL94-V0
2.84/1.31 lbs/kg
PROTECTION CHARACTERISTICS
Output
Parameter
Conditions
N/A
Over-Temp
Auto re-start
Over-Voltage Latching; toggle PS_ON or recycle DC input to reset
12V (Main)
3.3VSB
Over-Current
Min.
57
13.3
For slow overload events a constant current will be sustained for 1sec followed by a latch off that will auto
reset in 5secs. For hard (short circuit) events the output will shut down within 50ms and auto restart within
200ms. This cycle will be repeated ten times at which point the output will permanently latch off. The power
module will require to be reset by recycling the incoming DC source or “toggling” PS_ON.
Over-Voltage Latching; toggle PS_ON or recycle DC input to reset
Over-Current Shutdown followed by auto-recovery
ISOLATION CHARACTERISTICS
Parameter
Max.
63
14.5
Units
°C
V
140
160
A
3.9
6.5
4.3
9.0
V
A
Max.
Units
Vdc
Vdc
Conditions
Input to Output - Basic
Output to Chassis (Ground)
Min.
1000
500
STATUS INDICATORS
Conditions
No incoming DC supply present; power module completely unpowered (off).
Standby Rail ON; Main Output OFF; DC input present & correct
Standby Rail ON; Main Output ON
Main Output overcurrent; undervoltage, overvoltage warning
FAN_FAULT; overtemperature; standby rail overcurrent, Main Output overcurrent or overvoltage
LED Status
LED not illuminated
Blinking Green
Solid Green
Blinking Amber
Solid Amber
Isolation
Typ.
60
Typ.
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D1U3CS-D-1600-12-HC4EC.A02 Page 2 of 5
D1U3CS-D-1600-12-HC4EC Series
81mm Front End DC-DC Power Converter
EMISSIONS AND IMMUNITY
Characteristic
Conducted Emissions
ESD Immunity
Radiated Field Immunity
Electrical Fast Transients/Burst Immunity
Surge Immunity
RF Conducted Immunity
Magnetic Field Immunity
Voltage Dips & Interruptions
Standard
FCC 47 CFR Part 15; CSIPR 22/EN55022
IEC/EN 61000-4-2;
IEC/EN 61000-4-3
IEC/EN 61000-4-4
IEC/EN 61000-4-5
IEC/EN 61000-4-6
IEC/EN 61000-4-8
NEBS GR-1089-CORE Issue
Compliance
Class B
Level 3; Criteria A
Level 3; Criteria B
Level 3; Criteria B
Level 3; Criteria A
Level 3; Criteria A
3A/m; Criteria B
Relevant sections and compliance levels TBD
OUTPUT CONNECTOR & SIGNAL INTERFACE
DC Output and Signal Connector: FCI# 51731-057-LF
D1
D2
D3
D4
D5
D6
C1
C2
C3
C4
C5
C6
B1
B2
B3
B4
B5
B6
A1
A2
A3
A4
A5
A6
PB1
PB2
PB3
PB4
PB5
PB6
NB: B4 is the shortest “last make, first break” sequenced signal pin.
Blade Assignment
Function
Description
PB1, PB2, PB3
+12V GND
Main Output Voltage, Return
PB4, PB5, PB6
+12V OUT
Main Output Voltage
Signal Pin Assignment
Signal Name
Description
An input pulled up via an internal 10K ohm to the Standby rail. When pulled low (<0.7Vdc; via an open
A1
PS_ON_L
collector/drain drive or connection to GND) the Main Output will be turned on/enabled)
A2
+12VRS_RETURN Main Output Remote Sense (-VE/Return)
A3
TEMP_OK
TTL compatible Logic HIGH provided when the temperature is within the allowable range of operation.
PS_SEATED (PS_ Internally connected to GND within the power module; when correctly seated the corresponding mating
A4
PRESENT)
connector pin is grounded and therefore allows detection that the power module is in situ.
A5, B5, C5, D5
+VSB
Standby Voltage Output
A6, B6, C6, D6
+VSB GND
Standby Voltage Output, Return/GND
B1
DC_OK
A TTL Logic HIGH (>2.1Vdc) is provided to indicate the DC Input is present (“OK”) and within operational limits.
B2
+12VRS
Main 12V output remote sense line.
B3
+12V_ISHARE
Main 12V output current share bus (see Current Sharing Notes).
This is the shortest “last make, first break” (last to mate in the sequence).
If left open circuit then the Main & Standby outputs will be inhibited (no output).
B4
PS_INHIBIT/PS_KILL
When inserted in to the system slot this pin must be pulled “low” by the system to enable (turn on) the
Main output and only after all other pins are connected and the power module is correctly seated.
C1
SDA
I2C Serial Data Line
C2
SCL
I2C Serial Clock Line
C3
PWR_GD
Power Good signal. An active TTL HIGH signifies when the output is within regulation limits.
C4
FAN_FAIL
Fan Fail signal (failure or locked rotor)
D1
A0
I2C LSB (Least Significant Bit) Address Line
D2
A1
I2C MSB (Most Significant Bit) Address Line
D3
S_INT
System Interrupt; call for system attention to check power module status
D4
N/C
No User Connection
MATING CONNECTOR
Supplier
FCI
DC INPUT TERMINAL BLOCK
Dinkle Enterprise
Press Fit, Straight
---
Press Fit, Right Angle
---
2 Way Terminal Block; 40A rating; +VE & -VE DC Input cable connections
Solder Straight
---
Current (Amps per Pin)
30
30
N/A
N/A
N/A
2.0
2.0
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Solder Right Angle
51761-10002406ABLF
DT-7C-B14W
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D1U3CS-D-1600-12-HC4EC.A02 Page 3 of 5
D1U3CS-D-1600-12-HC4EC Series
81mm Front End DC-DC Power Converter
WIRING DIAGRAM FOR OUTPUT
Dotted lines show optional remote sense connections.
Optional remote sense lines can be attached to a load that is a distance
away from the power supply to improve regulation at the load.
+12VRS (Main Output Remote Sense)
B2
PB4-6
+12VRS (Main Output Remote Sense)
+12V OUT
+12V OUT
PB4-6
B2
12V load
D1U3CS
PB1-3
A2
B3
A5,B5,C5,D5
A1
A6,B6,C6,D6
B4
D1U3CS
+12V GND
+12V GND
+12VRS_RETURN
+12V_ISHARE
A2
+12V_ISHARE
B3
PS_ON_L
PS_ON_L
+VSB GND
+12VRS_RETURN
+VSB
+VSB
PB1-3
A5,B5,C5,D5
A1
+VSB load
FET, BJT, wire
or switch (debounced )
to turn on +12V main output
+VSB GND A6,B6,C6,D6
PS_INHIBIT/PS_KILL
PS_INHIBIT/PS_KILL
B4
CURRENT SHARING NOTES
1. Main 12VDC Output: Analogue active share bus. The ISHARE bus (Pin B3) must be connected on all sharing modules.
It is not required that the SENSE signals are connected to the remote load for current share to operate correctly.
2. Up to eight (8) power modules can be connected in parallel (non-redundant) or N+1 configuration. The current share bus is analogue bi-directional (can source or sink voltage representation of the current on
the ISHARE bus.
The voltage of the bus would measure 8VDC for a single power module at 100% load; for two (2) modules sharing a common load the ISHARE bus voltage would be 4V for a perfect 50/50 current share scenario.
3. The VSTANDBY output of power modules can also be connected in parallel and have internal output isolation devices; however the combined available power is limited to that available from a single power
module (3.3V; 20W) irrespective of the number of modules connected in parallel.
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D1U3CS-D-1600-12-HC4EC.A02 Page 4 of 5
D1U3CS-D-1600-12-HC4EC Series
81mm Front End DC-DC Power Converter
MECHANICAL DIMENSIONS
Direction of Airflow
Notes
1. Dimensions: 3.20" x 11.00" x 1.57" (81.3mm x 279.4mm x 39.9mm)
2. Safety earth/ground connection via separate dedicated M4 pan head screw connection (located above terminal block)
OPTIONAL ACCESSORIES
Description
D1U3CS-12 Output Interface Connector Card
Part Number
D1U3CS-12-CONC
APPLICATION NOTES
Document Number
ACAN-41
ACAN-57
Description
D1U3CS-12-CONC Output Interface Connector Card
D1U3CS-12 Communications Protocol
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Link
www.murata-ps.com/data/apnotes/acan-41.pdf
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy:
Refer to: http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2015 Murata Power Solutions, Inc.
www.murata-ps.com/support
D1U3CS-D-1600-12-HC4EC.A02 Page 5 of 5
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