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A4975 - Full-Bridge PWM Microstepping Motor Driver

General Description

The A4975 is designed to drive one winding of a bipolar stepper motor in a microstepping mode.

The outputs are rated for continuous output currents to ±1.5 A and operating voltages to 50 V.

Key Features

  • ±1.5 A continuous output current.
  • 50 V output voltage rating.
  • Internal PWM current control.
  • 3-bit nonlinear DAC.
  • Fast, mixed fast/slow, and slow current decay modes.
  • Internal thermal shutdown circuitry.
  • Crossover-current and UVLO protection.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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A4975 Full-Bridge PWM Microstepping Motor Driver FEATURES AND BENEFITS ▪ ±1.5 A continuous output current ▪ 50 V output voltage rating ▪ Internal PWM current control ▪ 3-bit nonlinear DAC ▪ Fast, mixed fast/slow, and slow current decay modes ▪ Internal thermal shutdown circuitry ▪ Crossover-current and UVLO protection PACKAGES: Package B, 16-pin DIP with exposed tabs Package LB, 16-pin SOIC with internally fused pins Not to scale DESCRIPTION The A4975 is designed to drive one winding of a bipolar stepper motor in a microstepping mode. The outputs are rated for continuous output currents to ±1.5 A and operating voltages to 50 V.