39.电压感应应用车用隔离放大器

电压感应应用车用隔离放大器
Automotive Isolation Amplifier for Voltage Sensing

White Paper
Kenji Yamamoto, Andy Poh




Introduction Safe Insulation
The introduction of electric and hybrid electric vehicles The high voltages warrant the use of insulation com-
have added high voltage electric modules into the car. The ponents and optocouplers have been the component
battery stack in a hybrid can be in excess of 150V, higher of choice here. As part of the R2Coupler, ACPL-782T is
for the inverter driving the motor. Avago Technologies' targeted for long-life automotive applications. The thick
ACPL-782T automotive isolation amplifier,