DMOS Microstepping Driver with Adaptive Current Control and 1A Output

A5985

A5985-Product-Image

The A5985 provides quiet and precise control of stepper motors with output current up to 1A per phase, featuring adaptive current control to minimize noise and vibration, an integrated translator, and selectable step modes for simplified design.

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Top Features

Packaging

  • Drop-in replacement for A4988
  • Proprietary QuietStep option
  • Low RDS(on) outputs
  • Single supply
  • Microstepping up to 32 microsteps per full step
  • Full torque step modes
  • Short-to-ground protection
  • Shorted load protection
  • Short-to-battery protection
  • Fault output
  • Low current Sleep mode, < 10 μA
  • Thin profile QFN
  • Thermal shutdown circuitry
  • Synchronous rectification for low power dissipation
  • Internal UVLO
  • Crossover-current protection
28-contact QFN with exposed thermal pad 5 mm x 5 mm x 0.90 mm (ET package)

Part Number Specifications and Availability