2014•Electronic Design EngineeringRequires access
Design of a typical stepper motor driver
XI Hai-ya
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Abstract
The stepper motor is a open-loop control component, which transforms the electrical-pulse signal to the angle displacement. A3977 is designed to operate bipolar stepper motor infull-,half-,quarter-,eighth-step modes by Allegro company. The design of the bipolar stepper motor driver is presented in detail in this paper,and the measured results in a certain application are also given.This typical steeper motor driver is easily controlled,lowly costed, precisely positioned and lowly consumed.