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Question asked by engholm.robert on Jul 18, 2015
Latest reply on Jul 22, 2015 by Enrico Poli
What is the filter cap required for driving a stepper motor at 5 amps RMS? The schematic from ST shows 220uF 100V but no ESR data. I placed a United Chemi-Con 390uF 100V with an ESR of 28m ohms and a ripple current of 2.6 amps. I now trip the short circuit detect. Any rule of thumb?