IR22771STRPBF

更新时间： 2024-02-02 13:18:55

品牌	Logo	应用领域
英飞凌 - INFINEON		运动控制电子器件传感器信号电路光电二极管电机
页数	文件大小	规格书
16页	435K
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IR22771STRPBF 数据手册

Data Sheet No. PD60234 revB

IR22771S/IR21771S(PbF)

Phase Current Sensor IC for AC motor control

Features

Product Summary

V_OFFSET(max)

IR22771 1200 V

IR21771 600V

±250mV

• Floating channel up to 600V for IR21771 and 1200V for

IR22771

V_inrange

• 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)

Bootstrap supply range

8-20 V

2.2 mA

Floating channel quiescent

current (max)

Sensing latency (max)

7.5 µsec

(@20kHz)

40ksample/sec

(@20kHz)

±470 mV

Throughput

Over Current threshold (max)

Description

IR21771/IR22771 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. The IC converts the

analog voltage into a time interval through a precise circuit that also

performs a very good ripple rejection showing small group delay.

The time interval is level shifted and given to the output. The max

throughput is 40 ksample/sec suitable for up to 20 kHz

asymmetrical PWM modulation and max delay is <7.5µsec

(@20kHz). Also a fast over current signal is provided for IGBT

protection.

Package

Typical Connection

(Please refer to

Lead Assignments

for correct pin

configuration. This

diagram shows

electrical

connections only)

www.irf.com

12 3 4 5 6 7...16

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IR22771STRPBF 替代型号

型号	品牌	替代类型	描述	数据表
IR22771SPBF	INFINEON	完全替代	Phase Current Sensor IC for AC motor control

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