Stepper motor operation at high speed

  • Yes, I use VREF. The current limit now is 0.75A (according to the formula from the datasheet)
  • At the moment the motor is attached to the gearbox (28:1), but I tried to run it without any load and just with shaft collar. The result is almost the same.
  • 36V power supply might give me an answer, but It doesn’t work for my final design: we have only 24V available, so, 36V requires step-up conversion which doesn’t make me happy.

Which step size would you recommend in order to obtain best performance?

PS: I’ve purchased the smallest 42mm Sanyo pancake and expect to have it soon.