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
Technical articles Roll with the design punches and overcome power-sequencing challenges 29 Jul 2019
Technical articles Knowing Where to Tap 25 Jun 2013
Technical articles Improving DDR memory performance in automotive applications 22 Jun 2017
More literature Architecture for Brushless-DC Gate Drive Systems (Rev. A) 22 Aug 2018
More literature Sensorless Trapezoidal Control of BLDC Motors (DRV8312-EVM) 21 May 2015
More literature Replacing single-phase ACIMs with three-phase BLDC motors saves energy 15 Apr 2016
More literature Understanding Smart Gate Drive (Rev. D) 11 May 2022
More literature Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 11 May 2022
Technical articles How an automotive ADC can help designers achieve functional safety in ADAS 09 Jun 2020
More literature Power Electronics in Motor Drives: Where is it? (Rev. A) 08 Oct 2019
More literature Trapezoidal Control of BLDC Motors Using Hall Effect Sensors 01 Jul 2013

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