Huawei GAQ37S12B-4, Technical Manual

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Copyright©2014 Huawei Technologies Co., Ltd. All Rights Reserved.
THIS DOCUMENT IS FOR INFORMATION PURPOSE ONLY, AND DOES NOT CONSTITUTE ANY KIND OF WARRANTIES.
Description
The GAQ37S12B-4 is a new generation isolated
DC-DC converter that uses an industry standard
quarter-brick structure, and features high efficiency
and power density, operates from an input voltage
range of 36 V to 75 V, provides the rated output
voltage of 12 V and the maximum output current of
37 A.
Mechanical Features

Industry standard quarter-brick (L x W x H):
57.9 mm x 36.8 mm x 12.8 mm (2.28 in. x
1.45 in. x 0.50 in.)

Weight: about 70 g
Control Features

Remote on/off

Remote sense

Output voltage trim
Protection Features

Input undervoltage protection

Output overcurrent protection (hiccup mode)

Output short circuit protection (hiccup mode)

Output overvoltage protection (constant voltage)

Overtemperature protection (self-recovery)
Operational Features

Input voltage: 36 V - 75 V

Output current: 0 - 37 A

Low output ripple and noise

Efficiency: 95.0% (12 V, 37 A)
GAQ37S12B-4
Quarter-Brick
DC-DC Converter
36 V - 75 V
Input
12 V Output 37 A Current
Negative
Logic
Safety Features

UL60950-1 and CSA C22.2 No. 60950-1-07

Meet UL94V-0 flammability requirements

RoHS6 compliant
GAQ37S12B-4
DC-DC Converter Technical Manual V1.0