Dual Full-Bridge PWM Motor Driver for Bipolar Stepper and DC Motors

A4970

A4970

The A4970 efficiently drives bipolar stepper motors or two DC motors, with integrated PWM current control, internal clamp diodes, and thermal protection.

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Top Features

Packaging

  • 750 mA continuous output current
  • 45 V output sustaining voltage
  • Internal clamp diodes
  • Internal PWM current control
  • Low output saturation voltage
  • Internal thermal shutdown circuitry
  • Pin compatible with UDx2916
  • DMOS outputs

The device is supplied in a 24-pin surface-mount wide SOIC with two pairs of batwing leads (LB). The webbed-pin construction provides for maximum package power dissipation in the smallest possible construction. The package is lead (Pb) free, with 100% matte tin leadframe plating.

 

Part Number Specifications and Availability