BME280 Bosch Environmental Sensor - LGA8 Packaging
The BME280 is a high-precision environmental sensor developed by Bosch, including humidity, pressure and temperature measurements, designed specifically for mobile applications and wearable devices. Below are detailed technical data and application analysis of the BME280 sensor:
Technical data
Parameters Technical data
Measurement range
Pressure from 300 to 1100 lPa.
- Temperature from - 40°C to + 85°C
Electrical voltage
- VDDIO 1.2 - 3.6 V
- VDD 1.71 - 3.6 V
I²C and SPI interfaces
Average operating current (typical value)
- Data update rate 1 Hz (temperature only) 1.8 µA
- Data update rate 1 Hz (pressure and temperature) 2.8 μA
- Data update rate 1 Hz (humidity, pressure and temperature) 3.6 μA
Sleep mode consumes an average of 0.1 µA of current
Humidity sensor
- Response time (Tau 63%) 1 second
- Accuracy tolerance ±3% Relative humidity
- lag < 2% relative humidity
Pressure sensor
- Noise RMS 0.2 Pa (equivalent to 1.7 cm)
- Sensitivity error ±0.25% (corresponds to 1m at 400m altitude change)
- Displacement coefficient ±1.5Pa/K (equivalent to ±12.6cm for a temperature change of 1°C)
Package size 8 - Pin LGA, 2.5 x 2.5 x 0.93 mm³
Application Analysis
Wearable equipment:
The small size and low power consumption of the BME280 sensor make it ideal for wearable devices.
It can be used to monitor users' health data such as heart rate, body temperature, as well as ambient humidity and air pressure.
This data helps users better understand their health and make adjustments accordingly.
Smart home:
With the BME280 sensor, the smart home system can monitor home environmental data in real time, such as temperature, humidity and air pressure.
This data can be used to automatically regulate the family environment, improve living comfort and save energy.
Internet of Things (IoT) Systems:
In IoT systems, BME280 sensors collect environmental data to support data analysis, prediction and decision making.
It can be applied in areas such as smart cities and smart agriculture, providing important environmental information and helping to optimize resource management and decision making.
Other uses:
BME280 sensors can also be used in areas such as weather forecasting, vertical speed indication, AR/VR applications and enhanced GPS navigation.
During outdoor activities such as mountaineering, walking, etc., the data provided by BME280 can add assurance for safe travel.
In summary, the BME280 sensor has a wide range of applications in the field of smart devices with its high accuracy, low power consumption, fast response time and high EMC robustness.