piclist 2000\12\18\130540a >
Thread: low sat motor chip
www.piclist.com/techref/io/motors.htm?key=motor
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face BY : Dan Michaels email (remove spam text)



Roman wrote:
>Hi, still looking for a h-bridge chip with
>low-saturation voltage at 2A but preferably
>3A to 4A. I also would like high package power
>dissipation if possible.
>

I wonder about this, Roman. I've been looking around at
specs, and seems MOSFET sat voltage is a direct function
of current pulled, so difficult to get low-sat.
Eg, .2v/5A = 0.04 ohms. Awfully small Rds. Maybe have
to stay with bjts.

- danM

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