Stepper motor Driver using TEA3718/3717

 For additional relevant information on stepper motor drivers check the Links below...

Click image to enlarge

The stepper motor driver circuit is using a pair of TEA3718/3717 to drive the stepper motor in bipolar chopper configuration. The U3 555 timer provides the clock pulse. The U1 and U2 form a two-direction TTL full step generator. If only one direction is needed then the circuit below can be used.

 

Figure 1

 

An extended TTL generator, which can generate control signals for full step and half step is shown in Figure 2.

 

    Figure2. Extended TTL Generator

Click image to enlarge

Stepper Motor driver data sheets:

TEA3718 stepper motor driver data sheet

TEA3717 Stepper motor controller data sheet

 For more information on stepper motor controllers check the Links below...

 

See also our low cost MD-3 stepper motor controller board

All parts in this project can be purchased from us. If you need help or have any comments on this project, please send it to wzmicro@worldnet.att.net

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