Stepper Motor Driver

Wednesday, April 7th, 2021 - Electronic Hobby

Stepper motor drivers can be prepared by various methods. This stepper motor driver circuit has the ability to regulate the motor rotating direction and rotation speed (step) set ekxternal based on the input signal frequency (step) is given, where the higher the frequency the faster turns. This stepper motor driver circuit using XOR Gate configuration and JK Flio-Flop as a rotary directional control and technique of pulse for each winding on stepper motors. Stepper motor driver circuit is designed to control stepper motors with 4 loops. Stepper motor driver circuit is working with the source voltage 12VDC. For more details can be seen in the following figure.

Stepper Motor Driver Circuit

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This stepper motor driver circuit uses 4 transistors as a power driver. S1 in the stepper motor driver circuit serves to select the direction of rotary step motor drivers and inputs used to provide signals separately adjust the speed and number of steps that will be applied to the motor.

Stepper Motor Driver Component List

  • R1, R2, R3, R4 1K
  • D1, D2, D3, D4 1N4002
  • Q1, Q2, Q3, Q4 TIP31
  • U1 4070 CMOS XOR
  • U2 4027 CMOS Flip-Flop
  • S1 SPDT Switch

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