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TIDA-00197

Speed-Controlled 24V Brushless DC Outrunner Motor Reference Design

Design files

TIDA-00197

Design files

Overview

This advanced motor implements closed-loop speed control to maintain an exact RPM across the load torque profile.  The magnetic rotor position is sensed by the DRV5013 Hall-effect sensors, and the DRV8308 controller decides when to drive the CSD88537ND FETs that energize the coils.  No microcontroller or firmware is used, and the intelligent sinusoidal current drive minimizes acoustic noise and torque ripple to maximize motor performance.

As seen at APEC

Features
  • Speed controlled at 2054 RPM for any torque load up to 118 mNm (16.7 oz-in)
  • Power input supports 24V to 32V and more than 5A
  • Outrunner style provides good power density in 6x6x3 cm3 form
  • Easy to modify RPM and max current with resistor changes
  • Design features up to 71% efficiency
  • System has been fully tested and proven
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Design files & products

Design files

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

download Test report — TIDA-00197
TIDU311.PDF (1911 KB)

Test results for the reference design, including efficiency graphs, test prerequisites and more

download Bill of materials (BOM) — TIDA-00197
TIDR562.PDF (48 KB)

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

download Schematic — TIDA-00197
TIDR561.PDF (86 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

BLDC drivers

DRV8308 — 42-V max sensored sinusoidal control, 3-phase BLDC gate driver with SPI

Data sheet: PDF | HTML
MOSFETs

CSD88537ND — 60-V, N channel NexFET™ power MOSFET, dual SO-8, 15 mOhm

Data sheet: PDF | HTML
Hall-effect latches & switches

DRV5013 — High voltage (up to 38V), high bandwidth (30kHz) Hall-effect latch

Data sheet: PDF | HTML

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Hardware development

Evaluation board

DRV8308EVM —

DRV8308 evaluation module for three-phase brushless DC motor pre-drivers

This advanced motor implements closed-loop speed control to maintain an exact RPM across the load torque profile.  The magnetic rotor position is sensed by the DRV5013 Hall-effect sensors, and the DRV8308 controller decides when to drive the CSD88537ND FETs that energize the coils.  No (...)

EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00197 — Speed-Controlled 24V Brushless DC Outrunner Motor Reference Design
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DRV8308EVM —

DRV8308 evaluation module for three-phase brushless DC motor pre-drivers

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Reference design
TIDA-00197 — Speed-Controlled 24V Brushless DC Outrunner Motor Reference Design
TI’s Standard Terms and Conditions for Evaluation Items apply.

Software development

Support software

TIDC394 — TIDA-00197 Hardware Files

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00197 — Speed-Controlled 24V Brushless DC Outrunner Motor Reference Design
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TIDC394 — TIDA-00197 Hardware Files

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Version: 01.00.00.00
Release date: Apr 28, 2014
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TIDA-00197 Hardware Files (zip)  — 992 K

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Hardware development
Reference design
TIDA-00197 — Speed-Controlled 24V Brushless DC Outrunner Motor Reference Design

Release Information

The design resource accessed as www.ti.com/lit/zip/tidc394 or www.ti.com/lit/xx/tidc394/tidc394.zip has been migrated to a new user experience at www.ti.com/tool/download/TIDC394. Please update any bookmarks accordingly.

Technical documentation

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* Test report TIDA-00197 Test Results Apr 29, 2014

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