ST MEMS Sensors
STMicroelectronics is a world leader in MEMS (Micro-Electro-Mechanical Systems) sensor technology, offering the widest portfolio of sensing solutions. Our MEMS sensors include accelerometers, gyroscopes, pressure sensors, and environmental sensors that enable smart, connected, and autonomous systems across all market segments. These sensors are known for their accuracy, low power consumption, and robust performance.
Accelerometers
3-axis linear acceleration sensors
Gyroscopes
Angular rate sensors
Pressure Sensors
Barometric & altimeter sensors
Environmental
Humidity, temperature, gas sensors
Inertial Measurement Units
Integrated IMU solutions
MEMS Sensor Advantages
Why choose ST's MEMS sensor solutions
Industry Leading Portfolio
Comprehensive range of MEMS sensors in all form factors, from ultra-compact devices to high-performance sensors for demanding applications.
Proven Reliability
ST's MEMS technology is deployed in billions of devices with exceptional reliability and long-term stability.
Low Power Consumption
Advanced power management features and ultra-low power modes for battery-operated applications.
Smart Features
Integrated signal processing, programmable thresholds, and wake-up functions reduce host processor load.
Popular MEMS Sensor Series
Key products in our MEMS sensor portfolio
| Part Number | Sensor Type | Key Features | Applications |
|---|---|---|---|
| ISM330DHCX | 6-axis IMU | 3D accelerometer + 3D gyroscope, AI functions | AR/VR, wearables, IoT |
| LSM6DSOX | 6-axis IMU | 3D accelerometer + 3D gyroscope, OIS | Smartphones, tablets |
| LPS22HH | Pressure sensor | 260-1260 hPa, MEMS capacitive | Barometers, altimeters |
| HTS221 | Humidity sensor | Capacitive, 0-100% RH | Wearables, home automation |
| VL53L5CX | Distance sensor | 4x4 array, 4m range | AR/VR, robotics, security |
Selecting the Right MEMS Sensor
Key considerations for optimal sensor selection
Choosing the appropriate MEMS sensor depends on your specific application requirements. Consider these key factors:
- Measurement type: Acceleration, rotation, pressure, temperature, humidity
- Sensitivity requirements: Resolution and precision needed
- Power consumption: Critical for battery-operated devices
- Package size: Space constraints in your design
- Data rate: How frequently measurements need to be taken
- Environmental conditions: Operating temperature, humidity, shock/vibration
Field Application Engineer Insight
Expert recommendations and application notes
Sensor Fusion in IoT Applications
Sensor Fusion in IoT Applications: Combining multiple MEMS sensors can provide rich environmental and motion data with minimal power impact. For example, using an accelerometer with a pressure sensor enables accurate activity tracking with altimeter capabilities. When implementing sensor fusion algorithms, proper calibration and alignment of sensor axes are critical for accurate results. ST's software libraries simplify sensor fusion implementation.
Frequently Asked Questions
Common questions about MEMS sensors
Accelerometers measure linear acceleration and can detect tilt relative to gravity, while gyroscopes measure angular rotation rate. An accelerometer can tell you which direction is 'up' but can't detect rotation around that axis, whereas a gyroscope can measure rotation but has no concept of 'up'. Combining both sensors provides complete motion tracking.
Calibration methods vary by sensor type. Accelerometers typically require static position calibration to establish the gravity vector, while gyroscopes need to be calibrated with zero rotation. Magnetometers require hard-iron and soft-iron calibration. Most ST sensors include self-test features and ST provides calibration software libraries for complex applications.
ST's advanced IMUs include machine learning cores (MLC) that can recognize specific motion patterns and gestures without waking up the main processor. This allows for always-on activity recognition with minimal power consumption, ideal for wearables and IoT applications.