At 09:52 AM 12/17/01 -0500, Thomas McGahee wrote:
>Chopping is generally used with circuits where the supply
>voltage is considerably higher than the rated voltage of
>the stepper motor. The chopping is used to implement a
>form of more or less constant current control.

Yes, that is what I am trying to do.

>Applying a constant current control to the steppers instead
>of a constant voltage allows larger initial voltages and
>results in better motor torque and faster stepping rates.

Thanks for the definition.


>If your voltage is close to the rated voltage of the steppers,
>then chopping will gain you nothing.

Except power conservation, which I need.

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