ST Life.augmented

Single-switch chopper drives


A single-switch chopper drive can seamlessly control the speed using duty cycle modulation for permanent magnet DC motors where the stator is composed of two or more permanent-magnet pole pieces and the rotor is composed of windings connected to a mechanical commutator.


Design Support


Technical Documentation

Application Notes

Description Version Size
AN4606: Inrush-current limiter circuits (ICL) with Triacs and Thyristors (SCR) and controlled bridge design tips
1.0 1,245 KB

Publications and Collaterals


Description Version Size
Motor Control Reference Guide
15.10 3,034 KB

Magazine Articles

Description Version Size
Average Current Sensing Empowers Blower Motors
1.0 0 KB
Feedback Form
Customer Feedback