> And, you should always have some dead time between turning 
> one off and the
> other on.  This is one of the things the new "motor control" 
> PWM units do
> for you.  Otherwise, you have to do it in software.

As I said before, I turn a P-FET on permanently, and then PWM the
(crosswise) N-FET. So the need for a deadband only arises when I switch
direction.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
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docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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