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plese help me urgently!! unipolar stepper motor driver circuit!!

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azaz jariwala

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i'm going to use unipolar stepper motor 6-leads from 8051.
please gice me idea about its driver.
motor is operating on 2A, 5V. please help me.
 

Hi unipolar motors are easy to drive the center taps of the coils go to the supply voltage. the coils can then be pulled to GND using a FET. you will need 4 FET's in total one for each coil. Don't for get to add diodes across the cols to help with back EMF from the switching. If you need more help let me know.
 

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