2H057M driver is used to drive two-phase Hybrid stepping motor. The driver is equipped with the imported module to realize high frequency chopped wave. It is featured with constant current driving, very strong anti-interference performance, good high frequency performance, high starting frequency, optical isolation between the control signal and internal signal, current in optional, simple structure, stable operation, high reliability and less noise. It can drive all 42BYG57BYGseries two-phase Hybrid stepping motors with currency less than 3.0A. The driver enjoys great reputation in the customers since it is put into market. It is used widely in the industries of stage light, automation, instrument, POS machine, engraving machine, bill printer, industrial decal printer, semiconductor diffusion furnace etc.