AC-input BLDC motor drive

Products and reference designs

AC-input BLDC motor drive

Block diagram

Overview

Our integrated circuits and reference designs help you create compact, fully protected and efficient alternating current (AC) input speed-controlled brushless direct current (BLDC) drives with smooth torque and accurate speed control.

Design requirements:

AC-input BLDC drives often require:

  • Small form factor, efficient and protected power stage.
  • Precise current and voltage sense for low torque ripple and sensorless speed control.
  • IEC-compliant isolated analog and digital interfaces.
  • Efficient small form factor non-isolated and isolated power supplies.

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Block diagram

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