Hot-Swap Testing Results for the A5977 and A5979 Microstepping DMOS Drivers

This report outlines hot-swap test results for A5977 and A5979 stepper motor drivers. To duplicate the hot-swap conditions, we have selected an IC motor supply voltage (VBB) of 24 V and motor current of 1.5 A per winding for our tests.

Innovative Back EMF Based Stall Detection Simplifies Stepper Motor Designs

Stepper motors provide significantly more flexibility and control than traditional continuously-rotating electric motors, and they are widely used in a variety of industrial, consumer, and automotive applications. Many applications require reliable detection of reaching a mechanical end point ...

Allegro MicroSystems Launches Most Advanced Transmission Speed Sensor ICs

Jan 15, 2019

Manchester, NH — Allegro MicroSystems has announced the release of its most advanced transmission speed sensor family members.