> And a gate driver will be bigger and cost more than a simple FET driven
> directly from a digital output.

OTOH a gate driver is a push-pull, so a double gate driver (8-pin SOIC 
or DIP) can make a H-bridge for a small motor. I am not sure I approve 
of this use, but a Dutch PIC Basic site shows such a design, and I sell 
a suspicious amount of TC4427A chips without any FET in the same order...

-- 

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu

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