Allegro will be showing a 5.5 to 50V field-oriented three-phase brush-less dc motor controller than needs no user code at PCIM. Called AMT49406, and first announced for Electronica, will be the first member of the company’s low-sound ‘QuietMotion’ family. A field-oriented control (FOC) algorithm is built-in. “The device optimises the motor start-up performance in a stationary ...

This story continues at PCIM: Field-oriented brush-less dc motor controller needs no user code

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