Automotive 2-Axis Power Seat Brushed DC Motor Drive Reference Design

(ACTIVE) TIDA-01330

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Key Document

Description

The TIDA-01330 reference design implements the drive circuits for two independent brushed DC motors. It provides a solution for automotive power seats with a highly integrated 2-axis driver, reducing the overall bill of materials. The interface to a simple microcontroller Illustrates how the design reduces the processing burden on the control software.  In addition to the drive circuit for two motors, this design also includes current feedback sense circuits and other diagnostic features to ensure reliable operation and detection of faults. The control circuit for an LED illumination element is included, as well as the ability to provide tactile feedback to the seat occupant by vibrating in either axis.

Features
  • Drives two independent brushed DC motors
  • Up to 10 amps motor current (each axis)
  • Current feedback on each axis
  • Reverse battery protection
  • Simple microcontroller interface
  • This circuit design is tested and includes hardware, test results, and a getting started guide

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV8305-Q1  Automotive 3-phase BLDC gate driver with three current sense amps  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
SN74AHC1G00-Q1  Automotive Catalog Single Two-Input Positive-NAND Gate  Gate  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8305-Q1 Download Download
SN74AHC1G00-Q1 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date
PDF 4324 07 Feb 2017
Design files (6)
Title Abstract Type Size (KB) Date
ZIP 361 16 Feb 2017
ZIP 4167 16 Feb 2017
PDF 173 16 Feb 2017
PDF 166 16 Feb 2017
PDF 59 16 Feb 2017
PDF 2984 16 Feb 2017

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