Three-phase four-switch inverters represent a cost‐effective and efficient alternative to conventional inverter topologies, offering reduced component counts while maintaining robust performance.

Here is a look back of Allegro’s A4923, a three-phase sinusoidal motor controller intended to control three-phase brushless DC motors. This device has been available in the market since 2012. The ...

This paper presents the system concepts and describes the circuit implementation of several key features. The increasing use of high-current brushless dc (BLDC) three-phase motors puts stringent ...