The [Denki Otaku] YouTube channel took a look recently at some stepper motors, or ‘stepping motors’ as they’re called in Japanese. Using a 2-phase stepper motor as an example, the stepper motor is ...

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 ...

Allegro MicroSystems, Inc. introduces a new motor driver IC designed to drive one winding of a bipolar stepper motor in a microstepping mode. The outputs of Allegro's A4975 are rated for continuous ...

The A3972 microstepping power IC contends with these issues and is a low-cost, monolithic solution for many new step motor systems. It is a dual, full-bridge, PWM microstepping motor driver (). Its ...

Here's a simple algorithm that uses conventional microcontroller blocks to control commercially available H-bridges to properly commutate a bipolar stepper motor through a microstepping profile.

Know the four most common microstepping myths. Myth 1: A high microstep count will result in evenly spaced steps at that count. Microstepping is good for smooth motion. However, having a 256 microstep ...

The A3979 microstepping motor driver operates bipolar stepper motors in full, half, quarter, and sixteenth-step modes, with output drive capability of 35 V and ±2.5 A. It is a drop-in replacement for ...

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 ...