Hi,

> How about measuring the voltage drop across the HEXFET in the H-bridge? Is
> Rds(on) fairly stable, or does it fluxuate widely with increase
temperature?
> (I don't have a HEXFET to test with).

    It goes up with temperature, what maybe a good thing if all you want is
short circuit protection and a bad thing if you really need to measure
current precisely it is a bad thing.

Best regards,
Alexandre Guimaraes

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