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Stepper Motor Driver


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Hi

I am working on a project to drive a stepper with the use of a SLA7051M unipolar stepper driver.
The typical circuit diagram suggested on the data sheet has a common supply for both the Vbb pin and the steppers. My problem is that the Vbb must be supplied with 10-44V and i have a stepper rated 3.15V. How can i connect those two together?

Thank you
sladj8.th.jpg

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And i have never seen a stepper operating at 12V . :) If you check the following pdf you won't find even one stepper with a 12V rating, they are all below 10V.http://www.astrosyn.co.uk/docs/l-series-stepper.pdf
If i use a different supply for to the Vbb pin and the stepper will it work?

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