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SDC_DSQ_DAQ_DCQ0150V2.A04.D02 Page 9 of 25

DSQ/DAQ/DCQ Series

600W Quarter Brick

DOSA Digital PMBus Interface

INPUT/OUTPUT CONNECTIONS

PIN

Name

Input/Output

Function

DSQ

DAQ

DCQ

Without “S” Option

With “S” option

1

Vin+

Output

Converter’s Input Voltage positive connection

•

•

•

•

2

On/Off

Input

Remote on/off control, Refer to technical notes section “Remote On/Off Control” for

details

•

•

•

•

3

Vin-

Output

Input Voltage negative connection

•

•

•

•

4

Vout-

Output

Converter’s main output voltage return connection

•

•

•

•

5

Sense-

Input

Sense inputs to compensate output voltage inaccuracy delivered at the load, refer to

technical notes section “Remote Sense Input” for detail description

•

•

6

Trim

Input

Output voltage can be trimmed up or down by external connection of a resistor

between Trim pin and either Sense pin. Refer to technical notes section “TRIM” for

details

•

•

7

Sense+

Input

Sense inputs to compensate output voltage inaccuracy delivered at the load, Refer to

technical notes section “Remote Sense Input” for details

•

•

8

Vout+

Output

Converter’s main output voltage + connection

•

•

•

•

9

PGood

Output

Power good function; refer to technical notes section “Power Good”

TTL level: Output Low < 0.4V; Output High > 2.4V; Output sinking/sourcing current

max: 4mA

•

•

10

Sig_Gnd

Output

Return ground for PMBUS and PGood. It is recommend to design independent signal

ground separate from the power ground to minimize noise interference

•

•

11

Data

Input/Output

Refer to section “PMBus” for details; Internal pull up: 10k

•

•

12

SMBALERT#

Output

•

•

13

Clock

Input/Output

•

•

14

Addr1

Input

Connect resistor to GND to configure PMBUS address per “PMBus Addressing”

details in the PMBus Section

•

•

15

Addr0

Input

•

•

0.055 [1.40] TYP 6PL

2.000 [50.80]

2.33 [59.2]

0.100 [2.54]

0.075 [1.91] TYP 2PL

0.032 [0.80] TYP 7PL

9

10

11

12

13

14

15

8

4

5

6

7

0.165 [4.19]

1

2

3