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D1U-W-2000-48-Hx Series
www.murata-ps.com
AC/DC Front End Power Supply
PRODUCT OVERVIEW
The D1U-W-2000 is a 2000 Watt, power-factor-corrected (PFC) front-end power supply for hot-swapping redundant systems. The main output is 48V and standby output of either 12V, 5V or 3.3V. Packaged in 1U low profile, it is
designed to deliver reliable bulk power to servers, workstations, storage systems or any 48V distributed power architecture systems requiring high power density. The highly efficient electrical and thermal design with internal cooling
fans supports reliable operation conditions. The D1U-W-2000 is designed to auto-recover from over-temperature
faults. Status information is provided with front panel LEDs, logic signals and I2C management interface. Three units
can be packaged into a 19" 1U power shelf to provide up to 6.0kW of power.
FEATURES
SELECTION GUIDE

RoHS compliant
Part Number

2000W (220Vac), 1200W (110Vac)
Output power

48V Main output,
3.3V, 5V or 12V standby output

1U sized; dimensions 4.75"x12.00"x1.61"

21.9 Watts per cubic inch density

N+1 redundancy capable, including hot-docking

Active current sharing on main output

Over-voltage, over-current,
over-temperature protection

Internal cooling fans

I²C Bus Interface with status indicators
Power Output
High Line AC
Power Output
Low Line AC
Main Output
Standby
Output
Airflow
D1U-W-2000-48-HC2C
D1U-W-2000-48-HA2C
D1U-W-2000-48-HB2C
2000W
2000W
2000W
1200W
1200W
1200W
48V
48V
48V
3.3V
5V
12V
Back to front
Back to front
Back to front
D1U-W-2000-48-HB4C
2000W
1200W
48V
12V
Back to front;
variable speed fan
Min.
Typ.
Max.
Units
90
47
78.5
70.5
115/230
50/60
264
63
86.5
78
15
10
90
Vac
Hz
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
Ramp up
Ramp down
Low Line AC 90Vac
High Line AC 180Vac
Cold start between 0-1msec
Output load >90%
Output load >50%
Vac
Arms
Apk
95%
75%
OUTPUT VOLTAGE CHARACTERISTICS
Output
Voltage
48V
3.3Vsb
5Vsb
12Vsb
Parameter
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise1
Output Current
Load Capacitance
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise1
Operating Range
Load Capacitance
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise1
Operating Range
Load Capacitance
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise1
Operating Range
Load Capacitance
Conditions
Min.
Typ.
Max.
48
46.54
20MHz Bandwidth
2
20MHz Bandwidth
0
mV p-p
A
μF
3.4
50
4.5
1530
mV p-p
A
μF
5
4.85
5.15
50
4
1530
20MHz Bandwidth
0
12
11.6
20MHz Bandwidth
0
Vdc
49.44
480
41.3
10000
3.3
3.2
Units
12.4
120
1.7
1530
Vdc
Vdc
mV p-p
A
μF
Vdc
mV p-p
A
μF
For full details go to
www.murata-ps.com/rohs
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CPS_D1U-W-2000-48-Hx.D01 Page 1 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
OUTPUT CHARACTERISTICS
Parameter
Conditions
Remote Sense
Efficiency
Output Rise Monotonicity
240
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
48V Ramp 1A/μs, 50% load step
±2700
3.3Vsb Ramp 1A/μs, 50% load step
±165
5Vsb Ramp 1A/μs, 50% load step
±250
12Vsb Ramp 1A/μs, 50% load step
±600
Start-up Time
Transient Response
Current sharing accuracy (up to 6 in parallel)
At 100% load
Hot Swap Transients
Hold-up Time
All outputs within regulation
Max. load, nominal Vin
Min.
Typ.
Max.
±10
17
Units
mV
%
s
ms
mV
%
ms
GENERAL CHARACTERISTICS
Parameter
Conditions
Min.
Storage Temperature Range
Operating Temperature Range
Operating Humidity
Storage Humidity
Shock
Sinusoidal Vibration
Non-condensing
-40
0
10
5
Non-condensing
Typ.
70
50
90
90
Safety Approvals
30G non operating
0.5G, 5 – 500 Hz operating
Calculated per Bellcore at Ta=30°C
200
Demonstrated
200
ISO 7779-1999
c-CSA-us (CSA 60950-1-03/UL 60950-1, Second Edition)
TUV approval (Bauart) EN 60950-1:2001
Input Fuse
Material Flammability
Power Supply has internal 20A/250V fast blow fuse on the AC line input
UL 94V-0
Switching Frequency
90KHz for Boost PFC Converter
165KHz for Main Output Converter
200KHz for Standby Output Converter
Weight
2.1kg
MTBF
Acoustic
Max.
Units
°C
%
60
Khrs
Khrs
dB LpAm
Max.
Units
65
59
50
14
3
4.02
8
6
7
°C
V
A
V
A
V
A
V
A
PROTECTION CHARACTERISTICS
Output
Voltage
48V
12Vsb
3.3Vsb
5Vsb
Parameter
Conditions
Min.
Over-temperature
Over Voltage
Over Current
Over Voltage
Over Current
Over Voltage
Over Current
Over Voltage
Over Current
Auto-restart
Latching
Latching
Latching
Latching
Latching
Latching
Latching
Latching
55
54
44
13
2.5
3.57
6.5
5.6
5
Typ.
1
Ripple and noise are measured with 0.1 uF of ceramic capacitance and 10 uF of tantalum capacitance on each of the power supply outputs. The output noise requirements apply
over a 0 Hz to 20 MHz bandwidth. A short coaxial cable with 50ohm scope termination is used.
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CPS_D1U-W-2000-48-Hx.D01 Page 2 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
ISOLATION CHARACTERISTICS
Parameter
Insulation Safety Rating / Test Voltage
Isolation
Material Flammability
Grounding
Conditions
Min.
Typ.
Max.
Units
Input to Output - Reinforced
3000
Vrms
Input to Chassis - Basic
1500
Vrms
Output to Chassis
Output to Output
UL 94V-0
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.
CONTROL SIGNALS
Status
Conditions
Description
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
48V Output
48V
Fan1 Monitor
Fan2 Monitor
48V OV, 48V UV, 48V 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
EMISSIONS AND IMMUNITY
Characteristic
Description
Harmonics
Voltage Fluctuation and Flicker
Emission Conducted
Emission Radiated
IEC/EN 61000-3-2
IEC/EN 61000-3-3
FCC 47 CFR Parts 15/CISPR 22/EN55022
FCC 47 CFR Parts 15/CISPR 22/EN55022
ESD
IEC/EN 61000-4-2
Electromagnetic Field
Electrical Fast Transients/Burst
Surge
RF Conducted Immunity
Magnetic 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
Criteria
Class A, 6dB margin
Class A, 6dB margin
4kV contact discharge
8kV operational air discharge
15kV non-operational air discharge
1kV/2kV, Performance Criteria B
3 Vac, 80% AM, 1kHz, Performance Criteria A
3 A/m
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CPS_D1U-W-2000-48-Hx.D01 Page 3 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
OUTPUT CONNECTOR AND SIGNAL SPECIFICATION
DC and Signal Connector: Tyco Part # 1-6450332-7, or FCI PowerBlade # 51732-028
P1
P2
VOUT
VOUT
P3
P4
VOUT
VRTN
P5
VRTN
P6
x1
x2
x3
x4
x5
AC_OK
P_GOOD
V_SB
+OUT
V_SB
RETURN
V_SB
RETURN
D
PS_ON
V_SB
+OUT
V_SB
+OUT
V_SB
RETURN
V_SB
RETURN
C
I_SHARE
I2C ADR0
I2C ADR1
I2C ADR2
PS_
PRESENT
B
PS_KILL
VOUT
SENSE+
VOUT
SENSE-
I2C DATA
I2C
CLOCK
A
VRTN
High Level
Low Level
I Max
Main output voltage
Main output voltage, return
VOUT remote sense, positive node input, connected to the
+ve load point
VOUT remote sense, negative node input, connected to the
-ve load point
Standby voltage output
Standby voltage, return, tied internally to Output Return
Active load sharing bus
0 – 8V
-4 mA / +5 mA
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
A1
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
B5
PS_Present
Internally tied to Vsb return
0V
C1
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)
A4
A5
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
Pin Assignment
Signal Name
Description
P1, P2, P3
P4, P5, P6
VOUT
VRTN
A2
Sense +
A3
Sense -
C2, C3, D3
C4, C5, D4, D5
B1
V_SB
V_SB Return
I_Share
D1
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
D1U MATING CONNECTORS
2
Solder 2
Press Fit
48V D1U mating connector
Straight
Right Angle
Straight
Right Angle
MPS
FCI
N/A
51742-10602000CALF
Pending
51762-10602000CBLF
N/A
51742-10602000AALF
36-0440026-0
51762-10602000ABLF
Tyco
TBD
TBD
TBD
TBD
Solder connector recommended for board thickness of <0.090
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CPS_D1U-W-2000-48-Hx.D01 Page 4 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
MECHANICAL DIMENSIONS - D1U-W-2000-48-Hx
312,89 ±0,35
[ 12.319 ±0.013 ]
20,20 ±0,40
[ 0.795 ±0.015 ]
8,89
[ 0.350 ]
REF
37,31 ±0,40
[ 1.469 ±0.015 ]
132,85 ±0,50
[ 5.230 ±0.019 ]
127,85 ±0,40
[ 5.033 ±0.015 ]
120,65 ±0,65
[ 4.750 ±0.025 ]
12,63 ±0,40
[ 0.497 ±0.015 ]
304,80 ±0,65
[ 12.000 ±0.025 ]
41.00±040
[1.614±0.015]
AC Input Connector: The AC input connector is standard IEC320 C20 (20A)
Dimensions: 4.75" x 12.00" x 1.61" [120.6mm x 304.8mm x 41.0mm]
OPTIONAL ACCESSORIES
Description
Part Number
48V D1U-48 output connector card
D1U-48-CONC
APPLICATION NOTES
Document Number
Description
Link
ACAN-25
D1U System Connection
www.murata-ps.com/data/apnotes/acan-25.pdf
ACAN-26
D1U-48 Output Connector Card
www.murata-ps.com/data/apnotes/acan-26.pdf
ACAN-29
D1U Communications Protocol
www.murata-ps.com/data/apnotes/acan-29.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.
© 2016 Murata Power Solutions, Inc.
www.murata-ps.com/support
CPS_D1U-W-2000-48-Hx.D01 Page 5 of 5