AnsweredAssumed Answered

L9942 - Motor lose some microsteps

Question asked by jdiogo10 on Aug 8, 2013
Latest reply on Jul 14, 2014 by brugora.marco
I want to control a stepper motor (see the motor specs) with L9942 from ST.

But i have some problem because the motor dont rotate uniformly (lose some step):

L9942%20lose%20steps.png 

My current profiles are (for DC = 111 - 1300mA):

CurrentProfiles.png

Can you help me? Why lose some step?!

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