Backlight and Smart Lighting Control by Ambient Light and Proximity Sensor Reference Design
TIDA-00373
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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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TI Devices (10)
Order samples, get tools and find more information on the TI products in this reference design.
| Sample & Buy |
Design Kits & Evaluation Modules |
| FDC1004 |
4-Ch, 16-bit, capacitance to digital converter with active shield driver |
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 |
Not Available |
| HDC1010 |
±2% low-power digital humidity and temperature sensor in WCSP |
Sensors |
Sample & Buy |
View Design Kits & Evaluation Modules |
| HDC1050 |
±3% low-power, digital humidity sensor with 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 |
16 MHz MCU with 64KB FRAM, 2KB SRAM, AES, 12-bit ADC, comparator, DMA, UART/SPI/I2C, timer |
Microcontrollers (MCUs) |
Sample & Buy |
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| OPT3001 |
Digital ambient light sensor (ALS) with high-precision human-eye response |
Specialty sensors |
Sample & Buy |
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| TLV713P |
150-mA, capacitor-free low-dropout voltage regulator with active output discharge & enable |
Power management |
Sample & Buy |
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| TPD2E2U06 |
Dual 1.5-pF, 5.5-V, ±25-kV ESD protection diode with 5.5-A 8/20-uS surge rating for USB 2.0 |
Circuit protection ICs |
Sample & Buy |
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CAD/CAE symbols
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at https://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.
Technical documentation
See the Important Notice and Disclaimer covering reference designs and other TI resources.
User guide (1)
| Title | Type | Size (KB) | Date |
| | PDF | 10898 |
12 Mar 2015
|
Design files (6)
| | ZIP | 2101 |
23 Mar 2015
|
| | ZIP | 1049 |
23 Mar 2015
|
| | PDF | 1811 |
23 Mar 2015
|
| | PDF | 1082 |
23 Mar 2015
|
| | PDF | 135 |
23 Mar 2015
|
| | PDF | 699 |
23 Mar 2015
|
More literature (1)
| Title | Type | Size (KB) | Date |
| | ZIP | 7290 |
01 Apr 2015
|
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