Single-Layered, Refrigerator Fan Reference Design Enabling High Efficiency Drive TIDA-00919 (ACTIVE)

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Key Document

Description

This reference design is a singled-layered, cost-effective, small-form-factor, three-phase sinusoidal motor drive for sensored BLDC fan motors specified up to a maximum current of 1 A RMS at 18 V maximum. The unique, single-sided design helps to bring down the system cost. The on-board Hall sensors facilitate the board mounting inside the motor itself. The design also demonstrates the features of DRV10970 such as single hall operation for further cost optimization, sinusoidal drive with adaptive drive angle adjustment for better system efficinecy and overall performance, speed control via external pulse-width modulation (PWM) input which brings an ease of speed control, etc.

Features
  • Minimized BOM components and overall cost by single layered design
  • Highly integrated system with protection features like motor lock detect, short circuit
  • Speed command for controlling fan speed using external PWM
  • Complete solution for spinning refrigerator fan
  • Design demonstrates DRV10970 device features, like adaptive drive angle adjustment, sensored, sinusoidal drive for better acoustics, efficiency and performance
  • Small form factor design with on-board Hall sensors with support for one- or 3-Hall operation

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV10970  20W, 12V 3-phase sensored BLDC motor driver with single/3halls supported  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
DRV5013  2.5V to 38V Hall Effect Latch  Magnetic sensors  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV10970 Download -
DRV5013 Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 4412 10 Feb 2016
Design files (7)
Title Type Size (KB) Date
ZIP 262 10 Mar 2016
ZIP 390 10 Mar 2016
PDF 194 10 Mar 2016
PDF 542 10 Mar 2016
PDF 79 10 Mar 2016
PDF 59 10 Mar 2016
PDF 266 10 Mar 2016

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