A3957 Overview
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