DC-input BLDC motor drive

Products and reference designs

DC-input BLDC motor drive

Block diagram


Our integrated circuits and reference designs help you create compact, fully protected and efficient direct current (DC) input speed-controlled brushless direct current (BLDC) drives with smooth torque and accurate speed control. SoC with integrated sensorless trapezoidal or vector control ease use and reduce time to market.

Design requirements

DC-input BLDC drive designs often require:

  • Small form factor, efficient and protected power stage.
  • Efficient small form factor non-isolated and isolated power supplies.
  • IEC-compliant isolated analog and digital interfaces.
  • Motor driver with hardware-integrated sensorless trapezoidal or vector control.

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Block diagram

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Technical documentation

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Type Title Date
Application note Architecture for Brushless-DC Gate Drive Systems (Rev. A) 22 Aug 2018
Application note Sensorless Trapezoidal Control of BLDC Motors (DRV8312-EVM) 21 May 2015
White paper Replacing single-phase ACIMs with three-phase BLDC motors saves energy 15 Apr 2016
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 11 May 2022
Application note Understanding Smart Gate Drive (Rev. D) 11 May 2022
White paper Power Electronics in Motor Drives: Where is it? (Rev. A) 08 Oct 2019
Application note Trapezoidal Control of BLDC Motors Using Hall Effect Sensors 01 Jul 2013

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