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BUY A3977SLPTR https://www.utsource.net/itm/p/6356702.html
MOTOR DRVR PWM DUAL 28TSSOP
Description: The A3977SLPTR is a microstepping motor driver IC with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full, half, quarter, and eighth-step modes, with an output drive capability of up to 35 V and ±2 A. Features: Microstepping up to 1/8-step Internal translator for easy operation Output drive capability of up to 35 V and ±2 A Over-temperature protection Short-to-ground and shorted-load protection Under-voltage lockout Thermal shutdown Slew rate control Low RDS(on) outputs Low operating current Applications: Automation Robotics 3D printers CNC machines Industrial control systems Medical equipment Office automation (For reference only)