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IR2170S - OVER CURRENT SENSOR

Description

signed for motor drive applications.

the low side.

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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Full PDF Text Transcription

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Preliminary Data Sheet No. PD60186-C IR2170(S) OVER CURRENT SENSING IC 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 VOFFSET IQBS 600Vmax 1mA Overcurrent trip signal delay Overcurrent trip level 1.5usec (typ) +/-260mV (typ.) 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.
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