TB67S209 Stepper motor driver


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This is for a stepper motor breakout board using Toshiba's TB67S209FTG driver. It is a simple implementation of the typical application in the datasheet.


  • Step and Dir control
  • Up to 1/32 microstepping
  • Up to 44V input
  • About 1 A per phase current without cooling and about 1.3A per phase cooling
  • RGB LED status indicator light


Coming soon...

Warning: VCC is a 5V output from the driver's built in regulator. You must ensure the pins you use are 5V tolerant.


TB67S209 Datasheet



It's is my second board. It was designed using Horizon-EDA, fabbed by JLCPCB, assembled and reflowed by me.