# BME690 (Component)
## Description
Gas, Humidity, Pressure, Temperature Sensor Digital Output
The BME690 is a compact 4-in-1 environmental sensor from Bosch Sensortec designed for advanced indoor air-quality monitoring. It integrates gas, humidity, temperature, and barometric pressure sensing into a single low-power MEMS device. The sensor is optimized for battery-powered and high-condensation environments, making it suitable for smart home, industrial, wearable, and IoT applications.
Key Features
4-in-1 environmental sensing:
Gas sensing
Relative humidity
Temperature
Barometric pressure
Detects:
Volatile Organic Compounds (VOCs)
Volatile Sulfur Compounds (VSCs)
Other air-quality-related gases
Supports indoor air quality (IAQ) monitoring
Provides:
IAQ index
bVOC equivalent
CO₂ equivalent outputs
Improved robustness for high-condensation environments
Ultra-small package:
3.0 × 3.0 × 0.93 mm
8-pin metal LGA package
Low power consumption suitable for battery-powered devices
Interfaces:
I²C up to 3.4 MHz
SPI up to 10 MHz
Wide operating range:
Temperature: −40°C to +85°C
Humidity: 0–100% RH
Pressure: 300–1100 hPa
Supply voltage:
VDDIO: 1.2 V to 3.6 V
VDD: 1.71 V to 3.6 V
Humidity accuracy:
±3% RH
Temperature accuracy:
±0.5°C
Pressure accuracy:
±0.5 hPa absolute
Supports AI-based gas classification using Bosch BME AI-Studio
Pin-compatible evolution of the BME688 platform
Designed for:
Smart home devices
HVAC systems
Air-quality mapping
Food freshness monitoring
Wearables
Industrial sensing applications
#CommonPartsLibrary #Sensor
## Component Details
- **Owner:** adrian95
- **Created:** 5/14/2026
- **Last Updated:** 5/14/2026
- **Visibility:** Public
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Part Number:** BME690
- **Manufacturer Name:** BOSCH
- **Symbol Style:** parametric-v1
- **Part Type:** Sensors
- **Datasheet URL:** https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6476/Bosch%20SensortecBME690_Product%20Flyer1.pdf
- **Used in:** 5 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/bme690/bosch-sensortec?utm_currency=USD®ion=nac) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C42431867.html) | $12.181 | 394 |
| [Mouser](https://www.mouser.com/ProductDetail/Bosch-Sensortec/BME690?qs=%252BXxaIXUDbq38jwlEAGDF7A%3D%3D) | $8.27 | 0 |
| [Verical](https://www.verical.com/pd/bosch-unsorted-BME690-14081342?utm_currency=USD) | N/A | N/A |
- **Part Type:** Sensors
- **MPN:** BME690
- **Mount Type:** Stud
- **Package / Case Code:** 8-LGA
- **Pin Count:** 8
## Pins
| Pin | Name | Type |
|-----|------|------|
| 8 | VDD | |
| 6 | VDDIO | |
| 5 | SDO | |
| 2 | CSB | |
| 3 | SDI | |
| 4 | SCK | |
| 1 | GND_1 | |
| 7 | GND_2 | |
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*Generated from [https://www.flux.ai/adrian95/bme690](https://www.flux.ai/adrian95/bme690)*