Ultra Low-Power Wireless PIR Motion Detector for Cost-Optimized Systems Reference Design
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Key Document


The TIDA-01398 TI Design uses only a quad-channel nano-power operational amplifier and the SimpleLink™ ultra-low power 2.4GHz wireless microcontroller (MCU) platform to demonstrate a low power cost-optimized wireless motion detector implementation.  These technologies lead to an extremely long battery life, up to 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 shutdown current of 2.16-µA.  The design guide includes techniques for system design, detailed test results, and information to get the design up and running quickly.

  • Use of nano-power analog for ultra-low power design resulting in up to 10 years battery life from single CR2032 coin cell
  • Low shutdown current of 2.16 uA (PIR sensor remains active in shutdown)
  • ultra-low active state current due to low active processor and radio transmit currents (1.57 mA for 56.66 ms)
  • Interrupt driven bluetooth smart wireless communication of motion for increased power savings
  • Motion sensitivity up to 30 feet

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC2650  SimpleLink multi-standard 2.4 GHz ultra-low power wireless MCU  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
TLV8544  Quad 500-nA RRIO nanopower operational amplifier for cost-optimized systems  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPD1E10B06  Single-channel ESD in 0402 package with 10pF capacitance and 6V breakdown  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules

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Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2650 Download Download
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TPD1E10B06 Download Download

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Technical Documents

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Application notes (1)
Title Type Size (KB) Date
PDF 164 13 Mar 2018
User guides (1)
Title Type Size (KB) Date
PDF 3842 28 Feb 2017
Design files (6)
Title Type Size (KB) Date
ZIP 589 28 Feb 2017
ZIP 886 28 Feb 2017
PDF 1650 28 Feb 2017
PDF 185 28 Feb 2017
PDF 66 28 Feb 2017
PDF 538 28 Feb 2017
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Reference Designs  ( 3 )

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