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Automotive Auto-Dimming Mirror Reference Design for Electrochromic Mirrors
TIDA-01539
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Key Document

Description

Modern vehicles utilize auto-dimming mirrors to prevent glare and visibility loss for the driver. This reference design utilizes modern human-eye-response ambient light sensors and a high-current amplifier stage to drive a capacitive electrochromic mirror load.

Features
  • Human-eye-response light sensors
  • 10-bit output
  • 3.3V, 400mA capacitive load driver
  • Fast discharge of electrochromic load
  • Wide VBAT operation (up to 40V)

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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 (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC101C081Q  10-Bit Micro Power Dig-to-Analog Converter  Digital-to-analog converters (DACs)  Sample & Buy Not Available
OPT3001-Q1  Automotive digital ambient light sensor (ALS) with high-precision human-eye response  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
TLV316-Q1  AEC-Q100, 1-Channel, 10-MHz, RRIO, low-noise, low-voltage, 1.8-V CMOS op amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS7B69-Q1  Automotive 150-mA, off-battery (40-V), high-PSRR, low-IQ, low-dropout voltage regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC101C081Q Download Download
OPT3001-Q1 Download Download
TLV316-Q1 Download Download
Download
TPS7B69-Q1 Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1459 09 May 2018
Design files (6)
Title Type Size (KB) Date
ZIP 417 02 May 2018
ZIP 654 02 May 2018
PDF 463 02 May 2018
PDF 92 02 May 2018
PDF 55 02 May 2018
PDF 146 02 May 2018

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