Download A3957 Datasheet PDF
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A3957 Description

Data Sheet 29319.44B 3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER The A3957SLB is designed for driving one winding of a bipolar stepper NO 1 NC CONNECT NC 24 NO CONNECT motor in a microstepping mode. The outputs are rated for continuous output currents to ±1.5 A and operating voltages to 50 V. PP-056-4 E C RATINGS U N Load Supply Voltage, VBB.

A3957 Key Features

  • ±1.5 A Continuous Output Current
  • 50 V Output Voltage Rating
  • Internal PWM Current Control
  • 4-Bit Non-Linear DAC for 16-Bit Microstepping
  • Satlington® Sink Drivers
  • Fast, Mixed Fast/Slow, and Slow Current-Decay Modes
  • Internal Transient-Suppression Diodes