HCPL-788J Isolation Amplifier with Short Circuit and Overload Detection
Data Sheet
Description
Avago’s Isolation Amplif...
HCPL-788J Isolation Amplifier with Short Circuit and Overload Detection
Data Sheet
Description
Avago’s Isolation Amplifier with Short Circuit and Overload Detection makes motor phase current sensing compact, affordable and easy-to-implement while satisfying worldwide safety and
regulatory requirements.
Features
Output Voltage Directly Compatible with A/D Converters (0 V to VREF)
Fast (3 µs) Short Circuit Detection with Transient Fault Rejection
Features (continued)
Absolute Value Signal Output for Overload Detection 1 µV/°C Offset Change vs. Temperature SO-16 Package -40°C to +85°C Operating Temperature Range 25 kV/µs Isolation Transient Immunity
Regulatory Approvals:
UL, CSA, IEC/EN/DIN EN 60747-5-2 (891 Vpeak Working Voltage)
Low Cost Three Phase Current Sensing with Short Circuit and Overload Detection
RSENSE1
ISOLATION BOUNDARY
1 VIN+ 2 VIN-
3
4
5
6
16
15
FAULT 14 ABSVAL 13
VOUT 12 VREF 11
7 10
8 HCPL-788J 9
RSENSE2
M 3 PHASE MOTOR
...
