Re: stepper motor power issues...

From: David Harmon <source@xxxxxxxxxx>
Date: Sat, 02 Feb 2008 21:43:27 -0800

On Fri, 01 Feb 2008 15:44:26 GMT in sci.electronics.basics, "Bob
Monsen" <rcmonsen@xxxxxxxxx> wrote,

I just looked at the data*** here:

http://focus.ti.com/lit/ds/symlink/uln2003a.pdf

Good data***. Did you read figure 15?
I think it answers your questions.

The Allegro I linked to before is also good.
The Motorola data*** is terrible.

So, while they say you can run each channel at 500mA, they don't really mean
it.

One channel at a time, only. See figure 15.

.

References:
- Re: stepper motor power issues...
  - From: Bob Monsen

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