Automotive Power Trunk Lift Motor Drive Reference Design
TIDA-060009
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Key Document

Description

This design describes how to drive an automotive trunk lift or rear gate lift.

In this design, a brushed BD lift motor and electromagnetic clutch drive mechanisms for a typical gear driven lift. This design includes a warning beeper, LED indicator, and directional control that uses an automotive motor driver and high side switch. A current-controlled gate driver with slew rate control helps improve MOSFET efficiency and decrease switching spikes.

This design gives a simple, robust implementation with a low component count and small board space compared to relay solutions.

Features
  • Operated from 12-V automotive battery system
  • Output power for lift to a mzimum of 360W
  • Output power for clutch to maximum of 48W
  • Low power sleep mode less than 55µA
  • Over-current and short-circuit protection through VDS sensing

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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV8703-Q1  Automotive 45-V H-bridge smart gate driver with SPI control  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
LM74610-Q1  0.48-V to 42-V, zero IQ automotive ideal diode controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC2G17-Q1  Automotive Catalog Dual Schmitt-Trigger Buffer  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TPS1H100-Q1  40-V, 100-mΩ, 1-ch automotive smart high-side switch with adjustable current limit  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS7B82-Q1  Automotive 300-mA, off-battery (40-V), ultra-low-IQ, low-dropout voltage regulator with enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8703-Q1 Download Download
LM74610-Q1 Download Download
SN74LVC2G17-Q1 Download Download
TPS1H100-Q1 Download Download
TPS7B82-Q1 Download
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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 8873 29 Jun 2018
Design files (6)
Title Type Size (KB) Date
ZIP 286 29 Jun 2018
ZIP 1332 29 Jun 2018
PDF 8660 29 Jun 2018
PDF 498 29 Jun 2018
PDF 399 29 Jun 2018
PDF 231 29 Jun 2018

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