PMOS Driver in 3-Phase Switch-Mode Inverter
- From: "gregmhand@xxxxxxxxx" <gregmhand@xxxxxxxxx>
- Date: Sat, 24 Nov 2007 21:48:40 -0800 (PST)
I'm working on a motor drive for a 3 phase AC electric motor. I have
a 48VDC supply. I am using six N-Channel mosfets to drive the three
phase inverter that supplys power to the motor and Im using six P-
Channel mosfets for regenerative braking (to act as a three phase
rectifier).
Are there P-Channel power mosfet drivers on the market? Everything
I've seen as far as mosfet drivers go seem to be designed for N-
Channel mosfets. Because P-channel mosfets require a 'negative'
voltage on the gate I was hoping someone could direct me to a driver
that could supply 2A (10V) to the gate of a PMOS for switching
frequencies up to 1kHz.
I know my description is quite brief so if you need any clarification
message back.
.
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