Hybrid ICs Drive High-Power IGBT Modules

by Eric Motto, Principle Application Engineer, and John Donlon, Senior Application Engineer, Powerex, Youngwood, Penn., Power Electronics Technology, Mar 01 2005

Focus:
Completely isolated IGBT gate-drive circuits with isolated control signals and floating isolated power supplies for two gate drivers are implemented as hybrid gate-driver circuits from Powerex. Using these hybrid circuits simplifies the design of isolated gate-drive electronics in applications with high-power IGBT modules. Article describes protection features offered by the Powerex gate drivers and how to complete a gate-drive design through selection of external components.

What you’ll learn:

• How to implement an IGBT gate-drive design using hybrid gate-driver circuits

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