Search TI stepper motor drivers, and find reference designs and other technical resources.
https://www.ti.com/motor-drivers/step...

This video discusses common interfaces used on integrated stepper drivers and
how to microstep with PH/EN & VREF or with a STEP/DIR part.

Ask questions and interact with the authors in the TI Motor Drivers Forum on the TI E2E™ Community.
http://e2e.ti.com/support/motor-drive...