... -sale,Steady quality,Popular products in the world Micro Stepper Driver MX-2H306D is mainly used to drive high voltage 57 ... is below 3A. It is up to 22 segments and Max 40000 steps. Step could be set by 1 to 5 ... -test function, Phase memory function, auto half current function. Output max current is 3.0A. Current could be set bye 7 ... Relation setting and operation is as shown below. Micro Stepper Driver