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IR21141SS

更新时间： 2024-11-18 12:56:19

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英飞凌 - INFINEON		驱动器 MOSFET驱动器栅极驱动程序和接口接口集成电路光电二极管栅极驱动
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描述
HALF-BRIDGE GATE DRIVER IC

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数据手册

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IR21141SS 数据手册

Data Sheet No. PD60349 revL

IR21141SSPbF/IR22141SSPbF

HALF-BRIDGE GATE DRIVER IC

Features

Product Summary

•

Floating channel up to 600 V or 1200 V

Soft over-current shutdown

600 V or

V_OFFSET

1200 V max.

Synchronization signal to synchronize shutdown with the other phases

Integrated desaturation detection circuit

Two stage turn on output for di/dt control

Separate pull-up/pull-down output drive pins

Matched delay outputs

I_O+/- (min)

V_OUT

1.0 A / 1.5 A

10.4 V – 20 V

75 ns

Deadtime matching (max)

Deadtime (typ)

330 ns

Desat blanking time (typ)

DSH, DSL input voltage

threshold (typ)

3 µs

Undervoltage lockout with hysteresis band

Lead free

8.0 V

Description

Soft shutdown time (typ)

9.25 µs

The IR21141/IR22141 gate driver family is suited to drive a single half bridge

in power switching applications. These drivers provide high gate driving

capability (2 A source, 3 A sink) and require low quiescent current, which

allows the use of bootstrap power supply techniques in medium power

systems. These drivers feature full short circuit protection by means of power

transistor desaturation detection and manage all half-bridge faults by

smoothly turning off the desaturated transistor through the dedicated soft

shutdown pin, therefore preventing over-voltages and reducing

electromagnetic emissions. In multi-phase systems, the IR21141/IR22141

Package

drivers communicate using

a dedicated local network (SY_FLT and

24-Lead SSOP

FAULT/SD signals) to properly manage phase-to-phase short circuits. The

system controller may force shutdown or read device fault state through the

3.3 V compatible CMOS I/O pin (FAULT/SD). To improve the signal immunity

from DC-bus noise, the control and power ground use dedicated pins

enabling low-side emitter current sensing as well. Undervoltage conditions in

floating and low voltage circuits are managed independently.

Typical connection

www.irf.com

14-Aug-09

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