This type of feedback provides enough information to commutate the motor, but it gives only 60° resolution. Traditionally, this has been done using three hall sensors to sense the field of the magnets mounted on the rotor. Switching Converters and Controllers AECQ GradeĭOWNLOAD PDF VERSION Application Note Using MagAlpha™ Devices to Sense BLDC Rotor Position Introductionīrushless DC (BLDC) or electronically commutated (EC) motors require feedback to the controlling electronics to indicate the position or angle of the rotor.BLDC Pre Drivers and Integrated Solutions.Battery Management System: Monitor & Protection.
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