Hi Neil,
Sounds like you should make your own bridge. But I suggest using a
premade driver, such as the TC4469. I've used that part and it's been
reliable.
Cheers, Bob

On Tue, Dec 16, 2014, at 01:50 PM, Neil wrote:
> Spec says 6A, but stall might be higher.  I'm calculating for 10A=20
> initially (but plan to measure and can tweak later).
> I'm thinking I'll keep PWM frequency about 50khz or higher to stay out=20
> of audible range).
> I had searched Digikey earlier but did not find any h-bridges I liked. =20
> But I can find N and P-FETs with 10mOhm RdsOn that should work very well.

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