The SD-2H044MA is an economical micro step driver. It is suitable for driving 2-phase 4-phase hybrid stepping motors .By using the advanced bipolar constant-current chopping technique ,it can output more speed and torque from the same motor, compared with traditional drivers ,such as L/R drivers .It's  widely used in CNC machine tools, textile machinery, knitting equipment, packaging machinery, medical equipment, electronic components manufacturing and a series of automatic control.  

stepping motor driver  SD-2H044MA

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