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CCS811 Gas Sensor Solution

Ultra-low power digital gas sensor for monitoring indoor air quality


  • Integrated MCU
  • On-board processing
  • Standard digital interface
  • Optimised low power modes
  • IAQ threshold alarms
  • Programmable baseline
  • 2.7mm x 4.0mm LGA package
  • Low component count
  • Proven technology platform


  • Managing the sensor drive modes and measurements while detecting VOCs
  • Provides indication of IAQ levels with no host intervention
  • Simple development for faster time to market
  • Extended battery life in portable applications
  • No need for continuous monitoring in software, reduces host power/processing
  • Stable and predictable behaviour regardless of air quality at power up
  • Small form factor designs
  • Saves up to 60% in PCB footprint
  • Most robust high temperature sensor platform on the market >100 million sense cycles and proven highest tolerance to ubiquitous siloxanes to ensure best long term reliability

Product parameters

Interface I²C
Supply Voltage [V] 1.8 to 3.6
Power Consumption [mW] 1.2 to 46
Dimension [mm] 2.7 x 4.0 x 1.1 LGA
Ambient Temperature Range [°C] -40 to 85
Ambient Humidity Range [% r.h.] 10 to 95

General Description

CCS811 is a low-power digital gas sensor solution, which integrates a gas sensor solution for detecting low levels of VOCs typically found indoors, with a microcontroller unit (MCU) and an Analog-to-Digital converter to monitor the local environment and provide an indication of the indoor air quality via an equivalent CO2 or TVOC output over a standard I2C digital interface.

This product suits for the following applications:

  • Smartphones and accessories
  • Air cleaners and purifiers
  • Appliances (white goods)
  • Home controllers
  • Smart thermostats


Title Category Headline Buy
CCS811EvalKit Application Board Evaluation Kit for CCS811
ENSDashboard Tools Windows ENS Dashboard


Name Type Description Language
CCS811_SW000246_1-00.bin Software CCS811 Application firmware version 2.0.0 English Software Installer for the Windows ENS Dashboard English

Technical Documents

Name Type Description Version Language
CCS811_AN000371_2-00.pdf Application Note CCS811 Downloading New Application Firmware 2-00 English
CCS811_AN000373_2-00.pdf Application Note End of Line Functionality Testing 2-00 English
CCS811_AN000370_2-00.pdf Application Note Baseline Save and Restore on CCS811 2-00 English
CCS811_AN000367_2-00.pdf Application Note CCS811 Assembly guidelines 2-00 English
CCS811_AN000369_2-00.pdf Application Note Programming and interfacing guide 2-00 English
CCS811_AN000368_2-00.pdf Application Note CCS811 Design guidelines 2-00 English
CCS811_BD000148_1-00.png Block Diagram CCS811 Block Diagram 1-00 English
CCS811_DS000459_6-00.pdf Datasheet CCS811 Datasheet - document version 1-05 6-00 English
CCS811_FS000175_2-00.pdf Factsheet Factsheet for ultra-low power Digital VOC Sensor for monitoring indoor air quality (IAQ) 2-00 English
Win-ENS-Dashboard_PD000458_1-00.png Other Product Document Picture of the Windows ENS Dashboard 1-00 English
CCS811_PD000192_1-00.png Other Product Document Picture of the CCS811 evaluation kit 1-00 English
CCS811_PN000136_1-00.pdf Product Change Notification CN18-2018 (CCS811) 1-00 English
CCS801_CCS811_PN000147_1-00.pdf Product Change Notification PCN05-2017 (CCS801, CCS811) 1-00 English
CCS811_PN000149_1-00.pdf Product Change Notification CN25-2017 (CCS811) 1-00 English
CCS811_PN000152_1-00.pdf Product Change Notification CN02-2018 (CCS811) 1-00 English
CCS811_QG000111_1-00.pdf Quick Start Guide Quick start guide for the CCS811 evaluation kit 1-00 English
CCS811_UG000310_3-00.pdf User Guide User guide for the CCS811 evaluation kit 3-00 English
Win-ENS-Dashboard_UG000388_3-00.pdf User Guide User Guide for the Windows ENS Dashboard 3-00 English

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