Datasheet
www.murata-ps.com/support
PRELIMINARY
DBQ0360V2 FUNCTIONAL SPECIFICATIONS (CONT.)
PMBus
Conditions ➀
Minimum Typical/Nominal Maximum Units
PMBus GENERAL
PMBus REV. 1.2. SMBALERT# is supported. PEC is supported. Linear data format used.
Bus speed
400 kHz
Logic high input
2
3.3 Vdc
Logic low input
0
0.8 Vdc
Logic high output
2.4
Vdc
Logic low output
0.4 Vdc
PMBus ADDRESSING
If the calculated PMBus address is 0d, 11d or 12d, SA0 or SA1 lefts open, default PMBus address 119d is assigned instead. PMBus address = 8x(SA0 value) + (SA1 value). SA0, SA1 value VS
resistor connected to GND.
0
10
k
1
22
k
2
33
k
3
47
k
4
68
k
5
100
k
6
150
k
7
220
k
PMBus MONITORING ACCURACY
VIN_READ
-2
2%
VOUT_READ
-1
1%
IOUT_READ (> = 10A)
-5
5%
IOUT_READ (<10A)
-1
1A
TEMP_READ
5
5°C
DIGITAL INTERFACE SPECIFICATIONS (PMBUS MONITORING & FUNCTIONAL DESCRIPTION)
Fault Protection Specifi cations
Output Voltage, Over Voltage protection, OVP Factory default
4
V
VOUT_OV_FAULT_LIMIT, Confi gurable via
PMBus
>VOUT_OV_WARM_LIMIT 3
4V
Restart delay (default, Confi gurable via PMBus)
500
ms
Input Voltage, Input Over Voltage Protection Factory default
NA
V
Setpoint accuracy
%
VIN_OV_FAULT_LIMIT (Confi gurable via
PMBus) ➃
>VIN_OV_WARM_LIMIT
NA V
Restart delay (default, Confi gurable via PMBus)
ms
Input Voltage, Input Under Voltage Protection,
UVLO
Factory default
32
V
Setpoint accuracy -2
2%
VIN_UV_FAULT_LIMIT (Confi gurable via
PMBus) ➃
<VIN_UV_WARM_LIMIT <VIN_OV_FAULT_LIMIT
32 75 V
Restart delay (default, Confi gurable via PMBus)
100
ms
Over Current Protection, OCP Setpoint accuracy (Io) -2.5
2.5 %
(factory default)
70
A
IOUT_OC_FAULT_LIMIT (Confi gurable via
PMBus) ➃
>IOUT_OC_WARN_LIMT 0
75 A
Restart delay (default, Confi gurable via PMBus)
100
ms
Over Temperature Protection, OTP OT_FAULT_LIMIT (factory default)
120
°C
OT_FAULT_LIMIT (Confi gurable via PMBus) ➃
>OT_WARM_LIMIT 0 30 150 °C
OTP accuracy (factory default) 5
5°C
Restart delay (default, Confi gurable via PMBus)
500
ms
DBQ/DVQ Series
420W Digital Fully Regulated Intermediate
DC-DC Bus Converter
MDC_DBQ Series.B02Δ Page 5 of 31