2 Phase 4.2A 1-Axis Stepping Motor Driver

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2-Phase Stepping Motor Driver. Ideal for CNC and Laser machines. High Current, quality made, low noise, and affordable.


This controller was designed by ex-Leetro engineers.


  • 20 to 50V DC Supply Voltage
  • H-Bridge, 2 Phase Bi-polar Micro-Stepping Drive
  • Ideal for 2-phase, 4,6, and 8 leads step motors with Nema size 16 to 34
  • 50% current mode
  • Frequency Input support up to 200KHz
  • Up to 25,000 steps resolution


  • Current: Min 1.0A, Max 4.2A
  • Voltage: Min 20V Typical: 36V Max: 50V DC
  • Logic current: Min 7mA Typical: 10mA Max: 16mA
  • Input frequency: up to 200KHz