TIDA-01585

24V, 36W Sensorless BLDC Sinusoidal Motor Drive With Closed-Loop Speed Control Reference Design

TIDA-01585

Design files

Overview

This brushless DC (BLDC) motor drive reference design uses closed-loop control to achieve a very-high speed accuracy using only two chips. The first chip is a cost effective entry level MCU out of the popular ultra-low power MSP430 family. The other (DRV10987) is a three-phase, sensorless, 180° sinusoidal motor driver with integrated power MOSFETs. The total solution is optimized with high efficiency and a very-small form factor to easily fit into the motor.

Features
  • Closed-loop speed control ensures high accuracy of expected motor speed
  • Highly-integrated and protected single-chip, sinusoidal brushless motor controller reduces external part count and audible noise
  • Closed-loop system uses only two chips
  • Integrated buck and linear regulator to efficiently step down supply voltage to 3.3V for powering both internal and external circuits (TI MSP430™ MCU) 
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUDS5.PDF (1610 K)

Reference design overview and verified performance test data

TIDRVW4.PDF (451 K)

Detailed schematic diagram for design layout and components

TIDRVW5.PDF (30 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRVW6.PDF (86 K)

Detailed overview of design layout for component placement

TIDRVW8.ZIP (841 K)

Files used for 3D models or 2D drawings of IC components

TIDCEK4.ZIP (214 K)

Design file that contains information on physical board layer of design PCB

TIDRVW7.PDF (375 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Integrated control BLDC drivers

DRV1098712-V to 24-V nominal, 3.5-A peak sensorless sinusoidal control 3-phase BLDC motor driver

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430FR231116-MHz integrated analog microcontroller with 3.75-KB FRAM, OpAmp, TIA, comparator w/DAC, 10-bit ADC

Data sheet: PDF | HTML

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Software

Firmware

TIDCEK5 TIDA-01585_Firmware

Technical documentation

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Type Title Date
* Design guide 24V/36W BLDC Motor Driver Reference Design With Close-Loop Speed Control Nov. 02, 2017
Technical article Designing efficient, high-performing appliances with BLDC motors PDF | HTML Jul. 12, 2018

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