Quote:
Originally Posted by MrMin
The switching is on the motors, not on the dc source. If the TVS spikes a big cap it should smooth it out - i suppose a batt is a big cap, so patrick and brian are correct. But I imagine when the motor throws too much back that the load has to be disipated somewhere....The bat is usually a good place. But cheaps batts will not handle it. Can't the excess be clamped off to a big resistor or light bulb or maybe some fireworks and pretty sparks ??
I notice also that patrick and brian never like band-aid solutions like fans and heat.. Rather be efficient and never generate the problem in the first place...typical two too good engineers :-).
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Patrick -- quick question -- are you using a transorb to clamp the overvoltage??
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