DC-input BLDC motor drive

Products and reference designs

DC-input BLDC motor drive

Block diagram

Overview

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.

Explore applications similar in function and design

Block diagram

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Technical documentation

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

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