Electronic Design

Full-Bridge PWM Microstepping Driver

Allegro MicroSystems, Inc. introduces a new motor driver IC designed to drive one winding of a bipolar stepper motor in a microstepping mode. Allegro MicroSystems, Inc. introduces a new motor driver ...
Electronic Design

Versatile Single-Chip Power IC Provides Low-Cost, Programmable Microstepping

Monolithic power ICs that are physically small, inexpensive, practical, and programmable can replace the bulkier, less flexible and more expensive boards and boxes that provide microstepping ...
EDN

Motor control design: Microstepping for high-performance motion control

Stepper motors are brushless synchronous electric motors powered by direct current that rotate in steps, keeping the rotor stationary under a specific power supply. A well-defined sequence of PWM ...
EDN

Full-Bridge Microstepping Motor Driver

Allegro Microsystems had released a full-bridge PWM microstepping motor driver last 2013 that features an output of ±1.5 A continuous current with a 50 V voltage rating, the A4975. This device is ...