BMI270 6-axis, smart, low-power Inertial Measurement Unit for high-performance applications BMI270 Data sheet Document revision 1.2 Document release date June 2020 Document number BST-BMI270-DS000-04 Technical reference code 0 273 017 008 Notes Data and descriptions in this document are subject to change without notice. Product photos and pictures are for illustration purposes only and may differ from the real product appearance 2 158 Bosch Sensortec BMI270 Data sheet Basic Description BMI270 The device is a highly integrated, low power inertial measurement unit (IMU) that combines precise acceleration and angular rate (gyroscopic) measurement with intelligent on-chip motion-triggered interrupt features. BMI270 integrates: 16-bit digital, triaxial accelerometer with 2g/4g/8g/16g range 16-bit digital, triaxial gyroscope with 125dps/250dps/500dps/1000dps/2000dps range Key features Compact standard size LGA mold package, 14 pins, footprint 2.5x3.0mm height 0.83mm Output data rates (ODR): 25 Hz 6.4 kHz (gyroscope) and 0.78 Hz 1.6 kHz (accelerometer) Programmable low-pass filter (accelerometer gyroscope): bandwidth 5.5 11 740 751 Hz Wide power supply range: Analog VDD 1.71V 3.6V and independent VDDIO 1.2V3.6V Ultra-low current consumption: typ. 685 A (in full ODR and aliasing free operation) Performance mode for gyroscope to minimize noise level: typ. < 7 mdps /Hz. Built-in power management unit (PMU) for advanced power management and low power modes Rapid startup time: 2 ms for gyroscope (in fast start mode) and 2 ms for accelerometer Freely configurable secondary digital interface 400 kHz IC (Fm) master interface hub for 1 I2C AUX sensor (e.g. ext. magnetometer, pressure) o data synchronized to IMU 10 MHz slave SPI (4-wire, 3-wire) for high speed, calibration free OIS / Dual OIS (SPI) applications o Up to 6.4 kHz ODR, control register access and down to 680 s group delay o Connectible latency optimized low pass-filters with programmable cut-off frequencies 2 KB on-chip FIFO buffer for accelerometer, gyroscope, timestamps, and AUX sensor data Fast offset error compensation for accelerometer and gyroscope Fast sensitivity error compensation for gyroscope (CRT, reducing the error down to typ. 0.4%) HW synchronization of accelerometer, gyroscope, and AUX sensor (< 1 s) Sensortime stamps for accurate system (host) and sensor (IMU) time synchronization (<40 s) 2 independent programmable I/O pins for interrupt and synchronization events RoHS compliant, halogen and lead free BMI270 Features o Significant motion/Any motion/Motion detect/No motion/Stationary detect/Wrist wear wakeup/Wrist worn step counter and detector/Activity change recognition/Push arm down/Pivot up/Wrist jiggle/Flick in /out Modifications reserved Data subject to change without notice Document number: BST-BMI270-DS000-04 Revision 1.2 062020