Description

IR2170(S) is the monolithic over current sensing IC designed for motor drive applications. It senses the motor phase current through an external shunt resistor, detects overcurrent condition, and transfers the signal to the low side. IR’s proprietary high voltage isolation technology is implemented to enable the high bandwidth signal processing.

Features

• Floating channel up to +600V

• Monolithic integration

• Overcurrent sensing through shunt resistor

• Low IQBS allows the boot strap power supply

• Independent fast 1µsec overcurrent trip signal

• High common mode noise immunity

• Input overvoltage protection for IGBT short circuit condition

• Open Drain outputs