Infineon has added gate drive charge pumps to keep motor drive mosfets working properly in a three-phase motor controller that works across 5.5 to 60V, and up to 1.5A (diagram below). Called 6EDL7141, it can drive gates from 7, 10, 12 or 15V, provided by one charge pump for the low-side mosfets and one for ...

This story continues at APEC: 3phase motor driver for power tools and service robots

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