This reference design uses nano-power operational amplifiers, comparators and the SimpleLink™ ultra-low power 2.4-GHz wireless microcontroller (MCU) platform to demonstrate a low-power wireless motion detector implementation. These technologies lead to an extremely long battery life of over 10 years with a standard CR2032 lithium-ion coin-cell battery which could be used for applications including motion detection or lighting control through occupancy detection. The PIR sensor has sensitivity of up to 30 feet with a shutdown current of 1.63 µA. The design guide includes techniques for system design, detailed test results and information to get the design up and running quickly.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Detailed overview of design layout for component placement
Complete listing of design components, reference designators, and manufacturers/part numbers
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Detailed schematic diagram for design layout and components
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Low-Power PIR Motion Detector With 10-Year Coin Cell Battery Design Guide (Rev. B) | Dec 15, 2016 | |
| Application note | Wireless Motion Detector With Sub-1 GHz SimpleLink™ Wireless MCU (Rev. C) | May 10, 2021 | ||
| More literature | Techniques for PIR-based motion detection | Dec 15, 2020 | ||
| Technical article | Trends in building automation: connected sensors in safety and security | PDF | HTML | Jul 20, 2016 |
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