Backlight and Smart Lighting Control by Ambient Light and Proximity Sensor Reference Design

(ACTIVE) TIDA-00373

Description & Features

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Key Document

Description

This system conserves power and extends backlight life by dynamically adjusting the backlight brightness relative to the environment's ambient light.  A capacitive proximity sensor wakes up the system when a user is close to save even more power.

 

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Features
  • Detects Human Proximity Using Copper PCB Material or Other Conductive Materials
  • Good Human Eye Spectral Matching
  • Dynamically Adjust Backlight Brightness
  • UV Filter for Outdoor Use
  • Humidity and Temperature Sensor
  • This subsystem is tested and includes hardware files, firmware, demo, and Getting Started Guide

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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TI Devices (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
FDC1004  4 Channel Capacitance to Digital Converter for Capacitive Sensing (Cap Sensing) Solutions  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
HDC1000  Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor  Sensors  Not Available View Design Kits & Evaluation Modules
HDC1008  Low Power, 4% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor  Sensors  Not Available View Design Kits & Evaluation Modules
HDC1010  HDC1010 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor  Sensors  Sample & Buy View Design Kits & Evaluation Modules
HDC1050  Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor  Sensors  Not Available Not Available
LM3630A  LM3630A High-Efficiency Dual-String White LED Driver  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5969  MSP430FR5969 16 MHz Ultra-Low-Power Microcontroller featuring 64 KB FRAM, 2 KB SRAM, 40 IO  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
OPT3001  Digital Ambient Light Sensor (ALS) With High-Precision Human-Eye Response   Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
TLV713P  150mA Low-Dropout (LDO) Regulator With Foldback Current Limit for Portable Devices   Power management  Sample & Buy View Design Kits & Evaluation Modules
TPD2E2U06  Dual-Channel High-Speed ESD Protection  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
FDC1004 Download Download
Download Download
HDC1000 Download -
HDC1008 Download -
HDC1050 Download Download
MSP430FR5969 Download Download
OPT3001 Download Download
TLV713P Download
Download Download
TPD2E2U06 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 Views TI Recommends
PDF 10898 12 Mar 2015 49
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 2101 23 Mar 2015 23
ZIP 1049 23 Mar 2015 8
PDF 1811 23 Mar 2015 6
PDF 1082 23 Mar 2015 6
PDF 135 23 Mar 2015 9
PDF 699 23 Mar 2015 19
Related Tools & Software

Reference Designs  ( 3 )

Software (1)



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