Have a look at the ST app notes for the L292 servo driver. This will
give you an idea for boosting drive current and it's
easily adaptable for the L6203 driver.

Good luck.

Nino.

PicDude wrote:

>Hey folks,
>
>I'm looking for a circuit that would drive a bipolar stepper motor with up to
>5.6A per phase.  Half stepping would be nice, and microstepping even nicer.
>Any good circuits floating out there?
>
>I've found app-specific chips from ST and other manufacturers, but most of
>these go to 2.5 or 3A.  Is there a way to boost the output from these by
>adding external drivers?
>
>Cheers,
>-Neil.
>
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--
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| Antonio (Nino) L. Benci                            |
| Professional Officer, Electronic Services          |
| School of Physics & Materials Engineering          |
| Monash University                                  |
| email: electronic.services@spme.monash.edu.au      |
| T: 61 3 9905 3649. F: 61 3 9905 3637               |
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