Gas Sensor Platform with Bluetooth Low Energy
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Key Document


This reference design is a low-power wireless gas sensor solution that supports a wide array of electrochemical gas sensors. With the versatility of a configurable interface for either Bluetooth® Low Energy, Zigbee RF4CE, 6LoWPAN or ANT this flexible and certified sensor solution is ideal for various building safety, industrial process control, mining, and health care applications.     

  • Monitors wide range of gases
    • Carbon monoxide, oxygen, ammonia, fluorine, chlorine dioxide…and more 
    • Supports 2- and 3-lead electrochemical gas sensors 
  • Complies with FCC and IC regulatory standards 
  • Coin cell battery operation  
  • Easily monitor gas concentrations via TI’s Gas Sensor iOS Mobile App  
  • Electrochemical cell and CR2032 battery are not included
  • Recommended O2 sensor: Alphasense A2 series
  • Recommended CO sensor: Alphasense CO-AF series

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Schematic/Block Diagram

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Design Files

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Gas Sensor Platform with Bluetooth Low Energy



TI Gas Sensor iOS Mobile App



TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC2541  Bluetooth® Low Energy and proprietary wireless MCU  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
LM4120  1.2-V & adjutable, 0.2% 50-ppm/°C drift precision series voltage reference with enable pin  Voltage references  Sample & Buy Not Available
LMP91000  Configurable AFE Potentiostat for Low-Power Chemical Sensing Applications  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
TPS61220  Low Input Voltage, 0.7V Boost Converter with 5.5μA Quiescent Current  Step-up (boost) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC2541 Download Download
LM4120 Download Download
LMP91000 Download Download
TPS61220 Download Download

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Technical documentation

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User guides (2)
Title Type Size (KB) Date
PDF 2574 18 Sep 2013
PDF 13812 09 Aug 2013
Design files (9)
Title Type Size (KB) Date
PDF 316 14 May 2014
PDF 229 14 May 2014
ZIP 258 18 Sep 2013
ZIP 689 18 Sep 2013
ZIP 2965 18 Sep 2013
PDF 102 18 Sep 2013
PDF 94 18 Sep 2013
PDF 158 18 Sep 2013
PDF 89 18 Sep 2013
Related Tools & Software

Reference Designs (1)

Name Part Number Tool Type
Always-on Low-power Gas Sensing with 10+ Year Coin Cell Battery Life Reference Design  TIDA-00756  Reference design 

Software development (2)

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