Electronic Design

Sensorless BLDC Driver First to Support Full Torque at Zero Speed

Brushless DC (BLDC) motors offer many operating attributes in performance and controllability, but they may require a position (rotation) sensor such as an encoder, resolver, or Hall-effect device to ...
EDN

70-W BLDC motor drivers cut design time by months

Texas Instruments (TI) has claimed the industry’s first 70-W brushless DC (BLDC) motor drivers with code-free, sensorless trapezoidal and field-oriented control (FOC), reducing design time while ...
Electronic Design

Sensorless, Anti-Reverse Rotation Startup for Blower Fan Motors

Startup techniques employed to overcome the problem of determining magnet position in BLDC designs. Cost-saving and power-efficiency incentives using sensorless motor drivers. Motor-driver solutions ...
EDN

BLDC fan driver improves thermal efficiency in data centers

Allegro MicroSystems has claimed the industry’s first three-phase BLDC driver IC with integrated power loss brake (PLB) features. The A89331 code-free, sinusoidal sensorless fan driver is designed to ...