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IR2170 Datasheet OVER CURRENT SENSOR

Manufacturer: International Rectifier (now Infineon)

Overview: Preliminary Data Sheet No. PD60186-C IR2170(S) OVER CURRENT SENSING.

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General Description

Packages IR2170(S) is the monolithic over current sensing IC de- signed for motor drive applications.

It senses the motor phase current through an external shunt resistor, de- tects overcurrent condition, and transfers the signal to the low side.

IR’s proprietary high voltage isolation tech- nology is implemented to enable the high bandwidth sig- 8-Lead SOIC nal processing.

Key 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 Product Summary.

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