dc servo motor controller

Posted on Feb 5, 2014

As we presented in another article the A3952S integrated circuit ( designed by Allegro MicroSystems ) can be used to design very simple and useful motor driver circuits. In the precedent article was presented a simple bipolar stepper motor driver circuit that use two A3952S circuits. As we presented in that article, the A3952S is capable of cont

dc servo motor controller
Click here to download the full size of the above Circuit.

inuous output currents up to 2 A and operating voltages range up to 50 V. This circuit presents a simple DC servo motor application that can be used in various electronic projects. As you can see in the circuit schematic this Dc servo motor driver schematic circuit use just one integrated circuit and other few external electronic components. With bidirectional dc servo motors, the PHASE terminal can be used for mechanical direction control. Similar to when braking the motor dynamically, abrupt changes in the direction of a rotating motor produce a current generated by the back EMF. The current generated will depend on the mode of operation.

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