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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.
IR2177S Datasheet
