Bosch Sensortec BMI270 is an ultra-low-power smart 6-axis IMU optimized for wearable and hearable applications. It combines precise acceleration and angular-rate sensing with on-chip motion-triggered features, activity/context/gesture recognition, and a plug-and-play step counter.
Standard specifications
| Product model | BMI270 |
|---|---|
| Axes | 6-axis IMU: 3-axis accelerometer and 3-axis gyroscope |
| Accelerometer range | Selectable ±2 g, ±4 g, ±8 g, and ±16 g |
| Gyro range | Selectable ±125, ±250, ±500, ±1000, and ±2000 °/s |
| Sampling rate | Accelerometer ODR: 12.5 Hz–1.6 kHz; gyroscope ODR: 25 Hz–6.4 kHz |
| Output type | 16-bit digital acceleration and angular-rate data |
| Interface | SPI, I²C, auxiliary I²C, and OIS interfaces; two digital interrupt pins |
| Supply voltage | VDD: 1.7–3.6 V; VDDIO: 1.2–3.6 V |
| Dimensions | 2.5 × 3.0 × 0.8 mm³, 14-pin LGA |
Technical extensions
Official specifications: 16-bit digital resolution; accelerometer sensitivity 0.06 mg/LSB and gyroscope sensitivity 0.004 °/s/LSB; selectable ranges ±2/±4/±8/±16 g and ±125/±250/±500/±1000/±2000 °/s; zero-g/zero-rate offsets ±20 mg/±0.5 °/s; sensitivity error ±0.4% for both A and G (G with CRT); noise density 160 µg/√Hz (A) and 0.007 °/s/√Hz (G); programmable filter bandwidth 5–684 Hz (A) and 11–751 Hz (G); current consumption 685 µA at full ODR (aliasing-free); operating temperature −40 to +85 °C.
Sources: Bosch Sensortec BMI270 product page; BMI270 datasheet.
