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D1U4-W-1600-12-Hx Series
www.murata-ps.com
AC/DC Front End Power Supply
PRODUCT OVERVIEW
The D1U4-W-1600-12-Hx is a 1600 Watt, power-factor-corrected (PFC) front-end power supply for hot-swapping
redundant systems. The main output is 12V with a standby output of either 5V or 3.3V. Packaged in a 1U low-profile
enclosure, it is designed to deliver reliable bulk power to servers, workstations, storage systems or any 12V distributed power architecture systems requiring high power density. The highly efficient electrical and thermal design with
internal cooling fans supports reliable operation conditions. The D1U4-W-1600-12-Hx is designed to autorecover
from overcurrent and overtemperature faults. Status information is provided with front panel LEDs, logic signals and
I2C management interface. Four units can be packaged into an optional 19" 1U power shelf to provide up to 6.4kW of
power.
ORDERING GUIDE
Model Number
FEATURES

1600W (220Vac), 1200W (110Vac)
Output Power

12V Main Output,
3.3V or 5V Standby Output

1U height: 4.0" x 14.0" x 1.6"

17.9 Watts per cubic inch density

N+1 redundancy capable,
including hot-docking

Active Current Sharing on main output

Overvoltage, Overcurrent,
Overtemperature protection

Internal cooling fans
D1U4-W-1600-12-HC2C
D1U4-W-1600-12-HA2C
D1U4-W-1600-12-HC1C
D1U4-W-1600-12-HA1C
Power Output
High Line AC
Power Output
Low Line AC
Main
Output
Standby
Output
Airflow
1600W
1600W
1600W
1600W
1200W
1200W
1200W
1200W
12V
12V
12V
12V
3.3V
5V
3.3V
5V
Back to front
Back to front
Front to back
Front to back
INPUT CHARACTERISTICS
Parameter
Conditions
Input Voltage Operating Range
Input Frequency
Turn-on Input Voltage
Turn-off Input Voltage
Maximum Input Current
Inrush Current
Power Factor

I²C Bus Interface with Status Indicators
OUTPUT VOLTAGE CHARACTERISTICS

Optional 1U x 19" Power-Shelf
Output
Voltage

RoHS compliant
Parameter
Ramp up
Ramp down
Low Line AC 90Vac
High Line AC 180Vac
Cold start between 0-1msec
Output load >90%
Output load >50%
Conditions
Min.
Typ.
Max.
Units
90
47
78.5
70.5
115/230
55
264
63
86.5
78
15
10
100
Vac
Hz
Vac
Arms
Apk
95%
75%
Min.
Typ.
Max.
Units
Voltage Set Point Accuracy
12.12
Vdc
Line and Load Regulation
11.75
12.48
12V
Ripple Voltage & Noise
20MHz Bandwidth
120
mV p-p
Output Current
0
131.6
A
Load Capacitance
40000
μF
Voltage Set Point Accuracy
3.3
Vdc
Line and Load Regulation
3.2
3.4
3.3Vsb
Ripple Voltage & Noise
20MHz Bandwidth
33
mV p-p
Operating Range
0
6
A
Load Capacitance
1530
μF
Voltage Set Point Accuracy
5
Vdc
Line and Load Regulation
20MHz Bandwidth
4.85
5.15
5Vsb
Ripple Voltage & Noise
50
mV p-p
Operating Range
0
4
A
Load Capacitance
1530
μF
1
Ripple and noise are measured with 0.1 uF of ceramic capacitance and 2 x 270 uF of OSCON capacitance on each
of the power supply outputs. A short coaxial cable with 50ohm scope termination is used. See Ripple Test Setup
diagram.
For full details go to
www.murata-ps.com/rohs
CB
Test Certificate
and Test Report
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CPS_D1U4-W-1600-12-Hx.A08 Page 1 of 6
D1U4-W-1600-12-Hx Series
AC/DC Front End Power Supply
OUTPUT CHARACTERISTICS
Parameter
Conditions
Remote Sense
Efficiency
Output Rise Monotonicity
120
220Vac
90.6
Overshoot less than 10% for all outputs, no voltage negative between 10% to 95% during ramp up
AC ramp up
1.5
PS_On activated
150
12V Ramp 1A/ms
±600
3.3Vsb Ramp 1A/ms
±165
5Vsb Ramp 1A/ms
±250
Startup Time
Transient Response
Current sharing accuracy (up to 6 in parallel)
At 100% load
Hot Swap Transients
Holdup Time
All outputs remain in regulation
Min.
Typ.
Max.
±10
20
Units
mV
%
s
ms
mV
%
ms
ENVIRONMENTAL CHARACTERISTICS
Parameter
Conditions
Storage Temperature Range
Operating Temperature Range
Operating Humidity
Storage Humidity
Shock
Sinusoidal Vibration
Non-condensing
MTBF
Acoustic
Safety Approvals
Input Fuse
Material Flammability
Switching Frequency
Weight
Non-condensing
Min.
Typ.
-40
0
10
5
Max.
70
50
90
90
30G non operating
0.5G, 5 – 500 Hz operating
Calculated per Bellcore at Ta=30°C
200K
Demonstrated
200K
ISO 7779-1999
CAN/CSA C22.2 No. 60950-1-07, 2nd Ed.
UL 60950-1, 2nd Ed.
IEC 60950-1:2005 (2nd Edition); EN 60950-1:2006 +A11
Power Supply has internal 20A/250V fast blow fuse on the AC line input
UL 94V-0
90KHz for Boost PFC Converter
165KHz for Main Output Converter
200KHz for Standby Output Converter
4.63lbs (2.1kg)
60
Units
°C
%
hrs
hrs
dB LpAm
PROTECTION CHARACTERISTICS
Output
Voltage
12V
3.3Vsb
5Vsb
Parameter
Conditions
Min.
Overtemperature
Overvoltage
Overcurrent
Overvoltage
Overcurrent
Overvoltage
Overcurrent
Autorestart
Latching
Latching
Latching
Latching
Latching
Latching
55
13
145
3.57
6.5
5.6
5
Typ.
Max.
Units
65
14
165
4.02
8
6
7
°C
V
A
V
A
V
A
Max.
Units
ISOLATION CHARACTERISTICS
Parameter
Insulation Safety Rating / Test Voltage
Isolation
Grounding
Conditions
Min.
Input to Output - Reinforced
Input to Chassis - Basic
Output to Chassis
Output to Output
3000
1500
Typ.
Vrms
Vrms
Main Output Return and Standby Output Return are connected internally. 100kΩ resistor parallel with 100nF
capacitor is connected between Return and power supply chassis. Main Output Return should be connected
to the System Chassis
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CPS_D1U4-W-1600-12-Hx.A08 Page 2 of 6
D1U4-W-1600-12-Hx Series
AC/DC Front End Power Supply
STATUS INDICATORS AND CONTROL SIGNALS
Status
Conditions
LED
Off
Flashing Yellow
Flashing Green
Green
No AC input to all PS
Power Supply Failure
Main Output Absent
Power Supply Good
Status
PS-ON, PGOOD, ACOK, PS_BAD, FANFAIL, OT Warning &
shutdown, AC Range
Output Fault
12V Output
12V
Fan1 Monitor
Fan2 Monitor
12V OV, 12V UV, 12V OC, Vsb Fail, Fan1 Fail, Fan2 Fail
8 bit scaled output voltage
8 bit scaled output current
8 bit scaled output current
8 bit scaled output current
I2C Registers
Description
EMISSIONS AND IMMUNITY
Characteristic
Standard
Input Current Harmonics
Voltage Fluctuation and Flicker
Conducted Emissions
Radiated Emissions
IEC/EN 61000-3-2
IEC/EN 61000-3-3
FCC 47 CFR Part 15/CISPR 22/EN55022
FCC 47 CFR Part 15/CISPR 22/EN55022
Compliance
ESD Immunity
IEC/EN 61000-4-2
Radiated Field Immunity
Electrical Fast Transients/Burst Immunity
Surge Immunity
RF Conducted Immunity
Magnetic Field Immunity
Voltage dips, interruptions
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
IEC/EN 61000-4-11
Complies
Complies
Class A, 6dB margin
Class A, 6dB margin
4kV contact discharge
8kV operational air discharge
15kV non-operational air discharge
Complies
Complies
1kV/2kV, Performance Criteria A
3 Vac, 80% AM, 1kHz, Performance Criteria A
3 A/m
Complies
RIPPLE TEST SETUP
2x270uF OSCON
Power Supply
0.1uF Ceramic
Load Box
AC Phase
AC Ground
BNC to BNC Shielded Cable
General Notes:
1. Load the outputs at specified minimum
output current.
2. Connect the probe as shown with the
input tip and ground as short as possible.
Oscilloscope
20MHz BW
3. Take all measurements
4. Repeat the measurements with the
outputs at specified maximum output
current.
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CPS_D1U4-W-1600-12-Hx.A08 Page 3 of 6
D1U4-W-1600-12-Hx Series
AC/DC Front End Power Supply
OUTPUT CONNECTOR AND SIGNAL SPECIFICATION
DC and Signal Connector: Tyco Part # 1-6450132-2, or FCI PowerBlade # 51732-021
P1
VOUT
P2
VOUT
P3
VRTN
P4
VRTN
P5
P6
VRTN
VRTN
P7
VOUT
P8
x1
x2
x3
x4
x5
x6
AC_OK
P_GOOD
V_SB
RETURN
V_SB
RETURN
V_SB
+OUT
V_SB
+OUT
D
SPARE
SPARE
V_SB
RETURN
V_SB
RETURN
V_SB
+OUT
V_SB
+OUT
C
I_SHARE
I2C ADR0
I2C ADR1
I2C ADR2
PS_KILL
PS_
PRESENT
B
SENSE +
SENSE -
I2C DATA
I2C
CLOCK
SPARE
PS_ON
A
VOUT
mate-last pins
High Level
Low Level
Pin Assignment
Signal Name
Description
P1, P2, P7, P8
P3, P4, P5, P6
VOUT
VRTN
Main output voltage
Main output voltage, return
A1
Sense +
VOUT remote sense, positive node input, connected to the
+ve load point
A2
Sense -
VOUT remote sense, negative node input, connected to the
-ve load point
C5, C6, D5, D6
C3, C4, D3, D4
B1
V_SB
V_SB Return
I_Share
Standby voltage output
Standby voltage, return, tied internally to Output Return
Active load sharing bus
0 – 8V
-4 mA / +5 mA
D1
AC_OK
Input AC Voltage “OK” signal output (Internal pull up is
10kΩ to Vsb)
>2.4V (active, OK)
<0.4V
+4 mA
-2 mA
D2
P_Good
Power good signal output (Internal pull up is 10kΩ to Vsb)
>2.4V (active, Good)
<0.4V
+4 mA
-2 mA
B5
PS_Kill
Floating pin will turn off P/S (shorter pin, last-make and
first-break contact for hot plugging). This signal overrides
PS-On in disabling the Main Output
>2.1V (open, or Vsb)
<0.7V (active, PS:On)
N/A
B6
PS_Present
Internally tied to Vsb return
0V
A6
PS_On
Internal 1K ohm pull-up to Vsb, (accepts open collector/
drain drive), This signal to be pulled low to turn-on power
supply
>2.1V (open, or Vsb)
<0.7V (active, PS:On)
A3
A4
I2C Data
I2C Clock
I2C serial data bus
I2C serial clock bus
B2
I2C Adr0
Address input 0, internal pull-up to Vsb
B3
I2C Adr1
Address input 1, internal pull-up to Vsb
B4
I2C Adr2
Address input 2, internal pull-up to Vsb
I Max
Vsb
Vsb
>2.1V, < Vsb
<0.8V
>2.1V, <Vsb
<0.8V
>2.1V, <Vsb
<0.8V
-4 mA
-1 mA
±1 mA
±1 mA
±1 mA
D1U4 MATING CONNECTORS
12V D1U4 mating connector
Solder 1
Press Fit
Straight
Murata-PS
FCI
Tyco
N/A
51742-10802400CALF
TBD
Right Angle
N/A
51762-10802400CBLF
TBD
Straight
N/A
51742-10802400AALF
TBD
Right Angle
36-0430032-0
51762-10802400ABLF
TBD
1 Solder connector recommended for board thickness of <0.090
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CPS_D1U4-W-1600-12-Hx.A08 Page 4 of 6
D1U4-W-1600-12-Hx Series
AC/DC Front End Power Supply
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.
Sense + (Main Output Remote Sense)
Sense + (Main Output Remote Sense)
VOUT
VOUT
A1
P1, P2, P7, P8
A1
P1, P2, P7, P8
12V load
D1U4
P3, P4, P5, P6
D1U4
VRTN
VRTN
Sense -
A2
Sense -
B1
I_Share
C5, C6, D5, D6
V_SB
V_SB
A6
PS_On
PS_On
I_Share
Close switch (or FET, BJT, or wire)
to turn on +12V OUT
C3, C4, D3, D4
B5
P3, P4, P5, P6
A2
B1
C5, C6, D5, D6
A6
+5V logic circuitry
V_SB Return
V_SB Return
PS_Kill
PS_Kill
C3, C4, D3, D4
B5
CURRENT SHARING NOTES
12V Output: Current sharing is achieved using the active current share method. (See wiring diagram for connection details.)
The total combined load must be below 1600W at startup. Current sharing can be achieved with or without remote sense connected to the common load.
V_SB outputs can be tied together for redundancy but total combined output power must not exceed 20W. The V_SB output has internal ORing MOSFET for
additional redundancy / internal short protection.
The current share pin B1 is a connection between the two units. It is input and/or output as the voltage on the line controls the current share. A power
supply will respond to a change in this voltage but a power supply can also change the voltage depending on the load drawn from it. On a single unit this
would read 8V at 100% load. For two units sharing load then this should read 4V for perfect current sharing.
Up to 6 units can be paralleled together. Please consult your Murata sales representative if operation with more than six units in parallel is needed.
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CPS_D1U4-W-1600-12-Hx.A08 Page 5 of 6
D1U4-W-1600-12-Hx Series
AC/DC Front End Power Supply
MECHANICAL DIMENSIONS - D1U-W-1200-12-Hx
355,60 ±0,65
[ 14.000 ±0.025 ]
8,88
[ 0.350 ]
REF
101,60 ±0,65
[ 4.000 ±0.025 ]
9,68 ±0,40
[ 0.381 ±0.015 ]
SCALE
2,40 ±0,25
[ 0.094 ±0.009 ]
0.700
12,63 ±0,40
[ 0.497 ±0.015 ]
358,48 ±0,65
[ 14.113 ±0.025 ]
Airflow Back to Front
41,00 ±0,40
[ 1.614 ±0.015 ]
AC Input Connector: The AC input connector is standard IEC C20 20A.
Dimensions: 4.00" x 14.00"x 1.61" [101.6mm x 355.6mm x 40.64mm]
OPTIONAL ACCESSORIES
Description
Part Number
12V D1U-12 output connector card
D1U-12-CONC
APPLICATION NOTES
Document Number
Description
Link
ACAN-27
D1U-12-CONC Output Connector Card
www.murata-ps.com/data/apnotes/acan-27.pdf
ACAN-31
D1U4 Communications Protocol
www.murata-ps.com/data/apnotes/acan-31.pdf
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
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.
© 2012 Murata Power Solutions, Inc.
www.murata-ps.com/support
CPS_D1U4-W-1600-12-Hx.A08 Page 6 of 6