High power four channel IGBT driver IC

S. Pawel, J. Lehrmann, R. Herzer, M. Netzel
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引用次数: 3

Abstract

A solution is presented for the monolithic integration of up to four low side drivers inside full bridge power conversion systems. Inexpensive 1 /spl mu/m high voltage CMOS technology was used in order to keep costs down. It was thus necessary to design special level shifter circuits to facilitate the use of negative turn off voltages. Output currents up to 3.5 A per stage, high insensibility to ESD, soft turn off on short-circuiting, and a complex internal fault management are additional key features. The driver transistors, which are optimized for capacitive loads, control IGBTs up to 1200 V and 150 A per stage.
大功率四通道IGBT驱动IC
提出了一种在全桥功率转换系统中集成多达四个低侧驱动器的解决方案。为了降低成本,采用了价格低廉的1 /spl mu/m高压CMOS技术。因此,有必要设计特殊的电平移位电路,以方便使用负关断电压。每级输出电流高达3.5 A,对ESD高度不敏感,短路时软关断,以及复杂的内部故障管理是附加的关键功能。驱动晶体管针对容性负载进行了优化,每级控制igbt高达1200v和150a。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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