Manufacturer: Bosch
Key Specifications
- Package: 14-pin LGA (3.0 x 2.5 x 0.83 mm)
- Core: 6-axis (accel + gyro)
- Interface: I2C, SPI
- Voltage: 1.2V - 3.6V (VDD), 1.2V - 3.6V (VDDIO)
- Temperature: -40°C to +85°C
- Accelerometer range: ±2g/±4g/±8g/±16g
- Gyroscope range: ±125°/s to ±2000°/s
- Output data rate: up to 1.6 kHz (accel), up to 3.2 kHz (gyro)
- Features: Smart power modes, built-in sensor fusion, step counter, significant motion detection
The BMI270 from Bosch Sensortec is a compact, low-power 6-axis inertial measurement unit (IMU) that combines a 3-axis accelerometer and a 3-axis gyroscope in a single package. Designed for always-on applications, it offers a range of smart power modes and an integrated sensor fusion engine, enabling efficient motion tracking and context awareness in battery-powered devices.
Key Features
- Small form factor: 14-pin LGA package measuring 3.0 x 2.5 x 0.83 mm
- Low power consumption with multiple power modes (performance, normal, and suspend)
- Built-in sensor fusion for accurate orientation and motion detection
- Advanced features: step counter, significant motion detection, and activity recognition
- Digital interfaces: I2C and SPI for flexible integration
- Wide supply voltage range: 1.2V to 3.6V
- Operating temperature range: -40°C to +85°C
Applications
- Smartphones and wearables (e.g., step tracking, screen rotation)
- AR/VR headsets for motion tracking
- Smart home devices (e.g., gesture control)
- Industrial IoT for vibration monitoring
- Robotics and drones for stabilization
Selection Guidance
When selecting the BMI270, consider the required accelerometer and gyroscope ranges (up to ±16g and ±2000°/s respectively) and output data rates (up to 1.6 kHz for accelerometer and 3.2 kHz for gyroscope) to match your application's performance needs. The device supports both I2C and SPI interfaces, allowing easy integration with most microcontrollers. For detailed electrical characteristics and timing specifications, refer to the official datasheet.
