Murata Power Solutions is introducing the first in
a series of digitally controlled DC-DC converters
that are based on a 32-bit ARM processor. The DSQ
series provides a fully regulated, digitally controlled
DC output in a ¼-brick format that will support the
DOSA industry standard footprint for isolated board
mounted power modules. The DSQ series supports
advances in power conversion technology including
a digital interface supporting the PMBus proto-
col for communications to power modules. The
DSQ0150V2 is an isolated, regulated, 600W-12Vout
quarter brick that supports the TNV input voltage
range of 36V–75V with a typical efficiency of 96%.
The DSQ series also incorporates a “droop” load
sharing option that allows connecting two or more
units together in parallel for demanding power-
hungry applications or to provide redundancy in
high reliability applications. The converter also
offers high input to output isolation of 2250 VDC as
required for Power over Ethernet (PoE) applica-
tions. The DSQ series is suitable for applications
covering MicroTCA, servers and storage applica-
tions, networking equipment, Telecommunications
equipment, Power over Ethernet (PoE), fan trays,
wireless networks, wireless pre-amplifiers, and
industrial and test equipment, along with other
applications requiring a regulated 12V.
PR
Pending
Applications
Distributed Power Architectures
Intermediate Bus Voltage Applications
Networking Equipment including POE applications
Servers & Storage Applications
Tray assemblies along with other applica-
Fan
tions requiring a regulated Voltage source
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
SDC_DSQ_DAQ_DCQ0150V2.A01D08
Page 1 of 19
EL
DAQ
DCQ
IM
DSQ
IN
AR
Y
DSQ/DAQ/DCQ Series
PRELIMINARY
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE [1]
Output
Regulation
(Typ.)
Line
Load
(mV)
(mV)
75
75
75
45
45
45
600W Quarter Brick
DOSA Digital PMBus Interface
Input
Efficiency
Root Model
DSQ0150V2
DAQ0150V2
DCQ0150V2
V
out
(V)
12
12
12
I
OUT
(A, max.)
50
50
50
Total Power
(W)
600
600
600
Ripple & Noise
(mVp-p)
120
120
120
V
in
(V, Nom.)
48
48
48
Range
(V)
36-75
36-75
36-75
I
in
, full load
(A)
17.5
17.5
17.5
Typ.
96.00%
96.00%
96.00%
Notes:
[1] Typical at TA = +25°C under nominal line voltage and full-load conditions. All models are specified with an external 1μF multi-layer ceramic and 10μF capacitors across their
output pins.
Part Number Structurer
Product Family
Form Factor
Vout [1]
Output Current
Vin Range
Logic [1]
Pin Length
Mechanical Configuration
Load Sharing
Paste In Hole (PIH) Processable [2]
Specific Customer Configuration
RoHS
D
S
Q
01
50
V2
EL
Notes:
[1] PMBus Configurable
[2] Minimum order quantity is required. Samples available with standard pin length only.
www.murata-ps.com/support
SDC_DSQ_DAQ_DCQ0150V2.A01D08
Page 2 of 19
PR
IM
N
X
B
S
R
X
X
IN
AR
Y
DS = DOSA Standard Digital Quarter Brick w/PMBus,
DA = DOSA Analog Quarter Brick with NO PMBus,
DC = DOSA Analog Quarter Brick with NO PMBus and NO Trim/Sense pins
Q = Quarter Brick
01 = 12Vout (Without PMBus Vout cannot be changed)
Max Iout in Amps
V2 = 36-75V
N=Negative, P=Positive
1 = 0.110", 2 = 0.145", Omit for standard shown in the mechanical drawings
B=Baseplate
S=Load Sharing,0mit for standard (Standard Configuration)
R=MSL-3 Compliant Packaging,Blank for Standard Configuration/Packaging
X Customer Code, Omit for Standard
C RoHS 6/6 Compliant
DSQ/DAQ/DCQ Series
FUNCTIONAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Conditions [1]
PRELIMINARY
Minimum
600W Quarter Brick
DOSA Digital PMBus Interface
Typical/Nominal
Maximum
Units
Input Voltage, Continuous
0
75
Vdc
Input Voltage, Transient
100 mS max. duration
100
Vdc
Isolation Voltage
Input to output
2250
Vdc
On/Off Remote Control
Power on, referred to -Vin
0
13.5
Vdc
Output Power
0
612
W
Output Current
Current-limited, no damage, short-circuit protected
0
50
A
Storage Temperature Range
Vin = Zero (no power)
-55
125
°C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Specifications Table is not implied nor recommended.
General Conditions for Device under Test unless otherwise specified:
Typical at TA = +25°C under nominal line voltage and nominal load conditions. All models are specified with an external 220μF input capacitor and 1μF & 10μf capacitors across their output pins.
INPUT
Operating voltage range (V2)
Start-up threshold
Undervoltage shutdown
Internal Filter Type
External Input fuse
Input current
Full Load Conditions
Low Line input current
Inrush Transient
Short Circuit input current
No Load input current
Shut-Down input currrent (Off, UV, OT)
Back Ripple Current
(Default, configurable via PMBus)
(Default, configurable via PMBus)
36
32
30
48
34
32
Pi
30
13.00
17.50
0.7
0.1
80
750
96
75
36
34
Vdc
Vdc
Vdc
A
13.50
18.00
1
0.2
110
30
1500
A
A
A
2
-Sec.
A
mA
mA
mAp-p
%
Vdc
Vdc
Vdc
MΩ
pF
Vin = 48V, Iout = 0, unit=ON
No filtering
Vin = 48V, full load
Input to output
Input to Baseplate
Output to Baseplate
GENERAL and SAFETY
Efficiency
Isolation Voltage
Insulation Safety Rating
Isolation Resistance
Isolation Capacitance
Safety
Calculated MTBF
AR
Y
94.5
Yes
180
N/A
40
N/A
200
3.5
0
0.1
-0.1
3.5
0.1
Vin = nominal
Vin = minimum
Vin = 48V.
IN
2250
1500
1500
Certified to UL-60950-1, CSA-C22.2 No.60950-1,
IEC/EN60950-1, 2nd edition (pending)
Per Telcordia SR-332, Issue 3, Method 1, Class 1,
Ground Fixed, Tcase=+25°C
IM
Functional
10
1500
5000
Hours x
10
3
Switching Frequency (Configurable via PMBus)
Fixed Frequency Control
Variable Frequency Control (Default)
Turn On Time (Default, Configurable via PMBus)
Vin On to Vout Regulated
Remote On to Vout Regulated
Vout Rise Time (Default, Configurable via PMBus)
From 10%~90%
Vout Fall Time of Regulated Off (Default, Configurable via PMBus)
From 90%~10%
Dynamic Load Response
Dynamic Load Peak Deviation
Dynamic Load Response
Dynamic Load Peak Deviation
EL
DYNAMIC CHARACTERISTICS
KHz
KHz
50
8
30
mS
mS
mS
mS
300
±350
750
±750
µSec
mV
µSec
mV
PR
50-75-50%, 0.1A/us,within 1% of Vout (Vin=Vinnom, tested with a 1.0 μF
ceramic, 10 μF tantalum and 330μF low ESR polymer capacitor across the load.)
50-75-50%, 1A/us,within 1% of Vout (Vin=Vinnom, tested with a 1.0 μF
ceramic, 10 μF tantalum and 330μF low ESR polymer capacitor across the load.)
±250
300
±500
FEATURES and OPTIONS
Remote On/Off Control
Primary On/Off control (designed to be driving with an open collector logic, Voltages referenced to -Vin)
“P” Suffix:
Positive Logic, ON State
ON = pin open or external voltage
Positive Logic, OFF State
OFF = ground pin or external voltage
Control Current
Open collector / drain
“N” Suffix:
Negative Logic, ON state
ON = ground pin or external voltage
Negative Logic, OFF state
OFF = pin open or external voltage
Control Current
Open collector / drain
Remote Sense Compliance
Sense pins connected externally to respective Vout pins
90% of Vnom., after warmup, Configurable via PMBus
(Need check the OCP Inception of Vout is whether reasonable)
Hiccup technique, autorecovery within 1% of Vout
Output shorted to ground, no damage
Hiccup current limiting
56
50
65
1
Vin = 36-75, Vout = nom., full load
Iout = min. to max., Vin = nom.
|Vout @ min_load - Vout @ max_load|
5Hz-20MHz BW, Cout = 1µF
Vin=nom and Io=min to max, tested with a 1.0μF ceramic, 10 μF tantalum
and 330μF low ESR polymer capacitors across the load
At all outputs
Low ESR
AR
Y
120
330
-3
-2
-2
-5
-40
-40
-55
128
B
Non-latching
75
45
150
0.02
10,000
3
2
2
5
mV
mV
mV pk-pk
% of
Vnom./°C
μF
%
%
A
°C
Inches
mm
Ounces
Grams
Inches
mm
MECHANICAL
Outline Dimensions (with baseplate)
Weight (with baseplate)
Through Hole Pin Diameter
Digital Interface Pin Diameter
Through Hole Pin Material
IM
EL
L*W*H
IN
0.01
PR
TH Pin Plating Metal and Thickness
Nickel subplate
Gold overplate
With derating
2.3 x 1.45 x 0.52
58.4 x 36.80 x 13.21
2.35
66.8
0.04 & 0.062
1.016 & 1.575
0.02
0.5
Copper alloy
98.4-299
4.7-19.6
85
110
125
µ-inches
µ-inches
°C
°C
°C
°C
Class
ENVIRONMENTAL
Operating Ambient Temperature Range
Operating Baseplate Temperature
Storage Temperature
Thermal Protection/Shutdown
(with "B" Suffix, default value, Con-
figurable via PMBus)
Electromagnetic Interference
Conducted, EN55022/CISPR22
RoHS Rating
Vin = Zero (no power)
Baseplate temperature measured in the center
External filter required; see emissions performance test.
RoHS-6
Notes:
[1] Typical at TA=+25°C under nominal line voltage and full-load conditions. All models are specified with an external 1μF multi-layer ceramic and 10μF capacitors across their output pins.
[2] Over-current protection is non-latching with auto recovery (Hiccup).
[3] Regulation specifi cations describe the output voltage changes as the line voltage or load current is varied from its nominal or midpoint value to either extreme.
www.murata-ps.com/support
SDC_DSQ_DAQ_DCQ0150V2.A01D08
Page 4 of 19
DSQ/DAQ/DCQ Series
PRELIMINARY
CMD
01h
02h
03h
10h
11h
12h
15h
16h
19h
20h
21h
22h
28h
40h
41h
42h
46h
47h
4Ah
4Fh
50h
51h
55h
56h
57h
58h
59h
5Ah
5Eh
5Fh
60h
61h
64h
65h
78h
79h
7Ah
7Bh
7Ch
7Dh
7Eh
88h
8Bh
8Ch
8Dh
8Eh
94h
95h
96h
98h
99h
9Ah
9Bh
9Dh
9Eh
A0h
A1h
A2h
A3h
A4h
A5h
A6h
A7h
A8h
A9h
B0h
600W Quarter Brick
DOSA Digital PMBus Interface
Default Value
0x80
0x19
N/A
0x00
N/A
N/A
N/A
N/A
0xB0
0x17
12.000
0
0/7
13
14
0xB8
13.500
62.00
0xF8
60.00
122/128
17
0xB8
113
110.00
0xF8
100.00
33.00
31.50
0xF8
10.199
8.400
0
30
0
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
N/A
N/A
N/A
0x42
"Murata Power Solutions"
N/A
N/A
N/A
N/A
36.00
75.00
19
625
9.600
13.199
50.00
600
85
-40
"---"
1
1
0
1
0
0
0
0
1
1
2
2
2
2
1
2
2
1
2
2
1
2
2
1
2
2
2
1
2
2
2
2
2
2
1
2
1
1
1
1
1
2
2
2
2
2
2
2
2
1
22
<=20
<=10
<=10
<=20
2
2
2
2
2
2
2
2
2
2
<=20
Command Name
OPERATION
2
ON_OFF_CONFIG
3
CLEAR_FAULTS
WRITE_PROTECT
STORE_DEFAULT_ALL
4
RESTORE_DEFAULT_ALL
4
STORE_USER_ALL
4
RESTORE_USER_ALL
4
CAPABILITY
VOUT_MODE
VOUT_COMMAND
VOUT_TRIM
VOUT_DROOP
VOUT_OV_FAULT_LIMIT
VOUT_OV_FAULT_RESPONSE
5
VOUT_OV_WARN_LIMIT
IOUT_OC_FAULT_LIMIT
IOUT_OC_FAULT_RESPONSE
6
IOUT_OC_WARN_LIMIT
OT_FAULT_LIMIT
OT_FAULT_RESPONSE
5
OT_WARN_LIMIT
VIN_OV_FAULT_LIMIT
VIN_OV_FAULT_RESPONSE
7
VIN_OV_WARN_LIMIT
VIN_UV_WARN_LIMIT
VIN_UV_FAULT_LIMIT
VIN_UV_FAULT_RESPONSE
7
POWER_GOOD_ON
POWER_GOOD_OFF
TON_DELAY
TON_RISE
16
TOFF_DELAY
TOFF_FALL
16
STATUS_BYTE
STATUS_WORD
STATUS_VOUT
STATUS_IOUT
STATUS_INPUT
STATUS_TEMPERATURE
STATUS_CML
READ_VIN
READ_VOUT
READ_IOUT
READ_TEMPERATURE_1
8
READ_TEMPERATURE_2
9
READ_DUTY_CYCLE
READ_FREQUENCY
READ_POUT
PMBUS_REVISION
MFR_ID
MFR_MODEL
10
MFR_REVISION
10
MFR_DATE
10
MFR_SERIAL
10
MFR_VIN_MIN
MFR_VIN_MAX
MFR_IIN_MAX
MFR_PIN_MAX
MFR_VOUT_MIN
MFR_VOUT_MAX
MFR_IOUT_MAX
MFR_POUT_MAX
MFR_TAMBIENT_MAX
MFR_TAMBIENT_MIN
USER_DATA_00
SMBus Transaction Type: Writing Data SMBus Transaction Type: Reading Data Number Of Data Bytes
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