IR2171PBF

更新时间： 2024-09-17 12:59:23

品牌	Logo	应用领域
英飞凌 - INFINEON		模拟IC 传感器信号电路光电二极管输出元件
页数	文件大小	规格书
7页	151K
描述
Analog Circuit, 1 Func, PDIP8, PLASTIC, DIP-8

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数据手册

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IR2171PBF 数据手册

ADVANCE INFORMATION Data Sheet No. PD60175 C

IR2171

LINEAR CURRENT SENSING IC

Features

• Floating channel up to +600V

• Monolithic integration

Product Summary

600V

OFFSET

• Linear current feedback through shunt resistor

• Direct digital PWM output for easy interface

1mA

QBS

•

Low IQBS allows the boot strap power supply

High Common Mode Noise Immunity

Input overvoltage Protection for IGBT short circuit

condition

+/-260mVmax

Gain temp. drift 20ppm/^oC(typ.)

40kHz (typ.)

•

Open Drain output

Descriptions

Packages

IR2171 is the linear current sensing IC designed for

motor drive applications. It senses the motor phase

current through an extenal shunt resistor, converts

from analog to digital signal, and transfers the signal

to the low side. IR’s proprietary high voltage isolation

technology is implemented to enable the high band-

width signal processing. The output format is discrete

PWM at 40kHz to eliminate need for the A/D input

interface. It allows direct interface to uP via simple

counter based measurement. The independently pow-

ered output enables easy interface to the opto cou-

pler device for galvanic isolation if needed.

8 Lead SOIC

8 Lead PDIP

16 Lead SOIC

(wide body)

Block Diagram

Up to 600V

15V

PWM Output

VCC

V+

V-

IR2171

GND

COM

To Motor Phase

12 3 4 5 6 7

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