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DBQ0135V2PBC

420W Digital Fully Regulated Intermediate DC-DC Bus Converter

Unspecified 

DBQ/DVQ Series

420W Digital Fully Regulated Intermediate

DC-DC Bus Converter

DBQ0360V2 FUNCTIONAL SPECIFICATIONS (CONT.)

PMBus

Conditions ➀

PMBus GENERAL

PMBus REV. 1.2. SMBALERT# is supported. PEC is supported. Linear data format used.

Bus speed

Minimum Typical/Nominal Maximum

Units

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

kΩ

PRELIMINARY 1

22

2

33

3

47

4

68

5

100

6

150

7

220

PMBus MONITORING ACCURACY

VIN_READ

-2

VOUT_READ

-1

IOUT_READ (> = 10A)

-5

IOUT_READ (<10A)

-1

TEMP_READ

5

DIGITAL INTERFACE SPECIFICATIONS (PMBUS MONITORING & FUNCTIONAL DESCRIPTION)

Fault Protection Specifications

Output Voltage, Over Voltage protection, OVP

Factory default

4

VOUT_OV_FAULT_LIMIT, Configurable via

PMBus

>VOUT_OV_WARM_LIMIT

3

Restart delay (default, Configurable via PMBus)

500

Input Voltage, Input Over Voltage Protection

Factory default

NA

Setpoint accuracy

VIN_OV_FAULT_LIMIT (Configurable via

PMBus) ➃

>VIN_OV_WARM_LIMIT

NA

Restart delay (default, Configurable via PMBus)

Input Voltage, Input Under Voltage Protection,

UVLO

Factory default

32

kΩ

kΩ

kΩ

kΩ

kΩ

kΩ

kΩ

2

%

1

%

5

%

1

A

5

°C

V

4

V

ms

V

%

V

ms

V

Setpoint accuracy

-2

2

%

VIN_UV_FAULT_LIMIT (Configurable via

PMBus) ➃

<VIN_UV_WARM_LIMIT <VIN_OV_FAULT_LIMIT

32

75

V

Restart delay (default, Configurable via PMBus)

100

ms

Over Current Protection, OCP

Setpoint accuracy (Io)

-2.5

2.5

%

(factory default)

IOUT_OC_FAULT_LIMIT (Configurable via

PMBus) ➃

>IOUT_OC_WARN_LIMT

0

Restart delay (default, Configurable via PMBus)

70

A

75

A

100

ms

Over Temperature Protection, OTP

OT_FAULT_LIMIT (factory default)

120

°C

OT_FAULT_LIMIT (Configurable via PMBus) ➃

>OT_WARM_LIMIT

OTP accuracy (factory default)

0

30

150

°C

5

5

°C

Restart delay (default, Configurable via PMBus)

500

ms

www.murata-ps.com/support

MDC_DBQ Series.B02Δ Page 5 of 31

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