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November 2012 Doc ID 1679 Rev 2 1/23
AN235
Application note
Stepper motor driving
By Thomas Hopkins
Introduction
Dedicated integrated circuits have dramatically simplified stepper motor driving. To apply
these ICs, designers need little specific knowledge of motor driving techniques, but an
understanding of the basics helps in finding the best solution. This note explains the basics
of stepper motor driving and describes the drive techniques used today.
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