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IR2277S - Phase Current Sensor IC

General Description

IR2177/IR2277 is a high voltage, high speed, single phase current sensor interface for AC motor drive applications.

The current is sensed by an external shunt resistor.

Key Features

  • Floating channel up to 600 V for IR2177 & 1200 V for IR2277.
  • Synchronous sampling measurement system.
  • High PWM noise (ripple) rejection capability.
  • Digital PWM output.
  • Fast Over Current detection.
  • Suitable for bootstrap power supplies.
  • Low sensing latency (.

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Other Datasheets by International Rectifier (now Infineon)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet No. PD60233 revB IR2277S/IR2177S(PbF) Phase Current Sensor IC for AC motor control Features • Floating channel up to 600 V for IR2177 & 1200 V for IR2277 • Synchronous sampling measurement system • High PWM noise (ripple) rejection capability • Digital PWM output • Fast Over Current detection • Suitable for bootstrap power supplies • Low sensing latency (<7.5 µsec @20kHz) • Ratiometric analog output suitable for DSP A/D interface Product Summary VOFFSET (max) IR2277 1200 V IR2177 600 V Vin range ±250mV Bootstrap supply range 8-20 V Floating channel quiescent current (max) Sensing latency (max) Throughput Over Current threshold (max) 2.2 mA 7.