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From: Genome on 8 Mar 2007 20:16 "mook Johnson" <mook(a)mook.net> wrote in message news:45ef7737$0$28144$4c368faf(a)roadrunner.com... > Gents, > > I'm looking for a high side IGBT gate driver for use with a 1000V bus > voltage. I prefer something like an IR2110 but it is only rated for 600V. > > Anything else out there besides gate drive transformers? > > This is for a 3 phase AC induction motor inverter PWM switched at 10 - > 20KHz. > > I'm not going to bother looking myself but Unitrode came up with some transformer coupled frequency modulated power/pwm transmission system for IGBT drive type stuff. TI bought them so if it is still made then...... Actually I will.... Here you go http://www.unitrode.com/products/apps_prt.htm UC3727..... New Chip Pair Provides Isolated Drive for High Voltage IGBTs http://www.ti.com/sc/docs/psheets/abstract/apps/slua057.htm Whoops, link doesn't work. Bum, anyway...... If they still make it you might find it. DNA |