Automotive full-featured side mirror module reference design
TIDA-020027
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Key Document

Description

The modern luxury side mirror includes many convenient features that allow for a better and safer experience for the driver beyond simple X-Y directional control of the mirror. This includes automatically dimming mirrors for glare reduction; mirror assembly folding to prevent damage in tight parking spaces; LED indicators for blind spot object detection, puddle lights and turn indicators; and heaters for defogging and deicing  the mirror in cold conditions. The addition of each of these features necessitates more electronics, so there is a desire from automotive electronics designers for multi-function integrated solutions that are also scalable as the load requirements change. This reference design provides a starting point for these types of electronics design considerations in a small form factor solution.

Features
  • 300-mA motor drivers for X-Y mirror tilt control
  • 8-A motor driver for mirror assembly fold
  • 16-mOhm power switch for mirror heater
  • Electrochromic mirror driver
  • Three 300-mA LED drivers
  • LIN interface for communication

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Schematic/Block Diagram

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Design Guide

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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
DRV8873-Q1  Automotive 40-V, 10-A H-bridge motor driver with integrated current sensing & current sense f  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
DRV8906-Q1  Automotive 40-V, 6-A, 6-channel half-bridge motor driver with advance diagnostics  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
LM2904B-Q1  Industry-standard dual operational amplifiers for automotive applications  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TLIN1028-Q1  Automotive local interconnect network (LIN) transceiver with integrated voltage regulator  Interface  Sample & Buy View Design Kits & Evaluation Modules
TPS1HB16-Q1  40-V, 16-mΩ, 1-ch automotive smart high-side switch with adjustable current limit  Power switches  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8873-Q1 Download Download
DRV8906-Q1 Download
LM2904B-Q1 Download
Download
TLIN1028-Q1 Download
Download
Download
TPS1HB16-Q1 Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 4308 28 Aug 2020
Design files (6)
Title Type Size (KB) Date
ZIP 1500 28 Aug 2020
ZIP 953 28 Aug 2020
PDF 844 28 Aug 2020
PDF 199 28 Aug 2020
PDF 95 28 Aug 2020
PDF 345 28 Aug 2020

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