TIDA-020027

Automotive full-featured side mirror module reference design

TIDA-020027

Design files

Overview

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

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

TIDUES6.PDF (4308 K)

Reference design overview and verified performance test data

TIDM679.PDF (345 K)

Detailed schematic diagram for design layout and components

TIDM680.PDF (95 K)

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

TIDM681.PDF (199 K)

Detailed overview of design layout for component placement

TIDM683.ZIP (953 K)

Files used for 3D models or 2D drawings of IC components

TIDCFX0.ZIP (1500 K)

Design file that contains information on physical board layer of design PCB

TIDM682.PDF (844 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Brushed DC (BDC) motor drivers

DRV8873-Q1Automotive 40-V, 10-A H-bridge motor driver with integrated current sensing & feedback

Data sheet document-pdfAcrobat PDF open-in-new HTML
Brushed DC (BDC) motor drivers

DRV8906-Q1Automotive 40-V, 6-A, 6-channel half-bridge motor driver with advance diagnostics

Data sheet document-pdfAcrobat PDF open-in-new HTML
CAN & LIN transceivers & SBCs

TLIN1028-Q1Automotive local interconnect network (LIN) transceiver with integrated voltage regulator

Data sheet document-pdfAcrobat PDF
General-purpose op amps

LM2904B-Q1Automotive-grade, dual, 36-V, 1.2-MHz operational amplifier with -40°C to 125°C operation

Data sheet document-pdfAcrobat PDF open-in-new HTML
High-side switches

TPS1HB16-Q140-V, 16-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Design guide Automotive Full-Featured Side Mirror Module Reference Design Aug. 28, 2020

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