DM542 4.2A 2 Phase Stepping Motor Driver

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  • Extra-low motor noise offers excellent quietness
  • Anti-Resonance, provides optimum torque and nulls mid-range instability
  • Self-test and Auto-configuration technology, offers optimum responses with different motors
  • Microstep resolutions programmable, from full-step to 102,400 steps/rev  
  • Supply voltage up to 50 VDC  
  • Output current programmable, from 0.5A to 4.2A 
  • Pulse input frequency up to 200 KHz  
  • Automatic idle-current reduction 
  • Supports PUL/DIR and CW/CCW modes


  • Current: Min 1.5A, Max 4.2A (peak current) - 7 settings
  • Voltage: Min 20V Typical: 24V Max: 50V DC
  • Logic current: Min 7mA Typical: 10mA Max: 16mA
  • Input frequency: 0 to 200KHz
  • Size: 119mm x 85mm x 26mm (with grey connector)