Data Sheet BHA250 / BHA250B Ultra low-power sensor hub incl. integrated Accel Bosch Sensortec Data Sheet Document revision 1.4 April 2020 Document release date Document number BST-BHA250(B)-DS000-02 Technical reference code(s) BHA250: 0 273 141 231 BHA250B: 0 273 141 310 Notes Data in this document are subject to change without notice. Product photos and pictures are for illustration purposes only and may differ from the real products appearance. BHA250(B) Page 2 Data sheet Features General Description - All-in-one smart-hub solution for always-on motion sensing at a fraction of current consumption which is The BHA250(B) is a small, low-power smart-hub commonly required using discrete components. with an integrated three axis accelerometer plus a programmable microcontroller, all specifically - 32-bit floating-point microcontroller (Fuser Core). designed to enable always-on motion sensing. On Optimized for data fusion, motion sensing and activity top it contains software and algorithms for motion- recognition at ultra low power consumption. All in order step-, gesture- and activity recognition. The overall to offload the power hungry data processing from the concept perfectly matches the requirements of main application processor to the smart-hub. smartphones, wearables or any other application - Powerful BSX sensor fusion library integrated in ROM which demands highly accurate, real-time motion for lowest design-in effort and fastest time-to-market. data at very low power consumption. - Additional software and algorithms for RAM processing, The device integrates our millionfold proven 14bit provided as ready to use FW patch files. Visit our web acceleration sensor with a microcontroller the new site to check available downloads. Bosch Sensortec Fuser core. It is bringing you the full Android sensor stack inside your devices even - Onboard calculation power for data fusion, 3D- and without having an Android OS or an Android absolute orientation, rotation vector, quaternions and environment. Combining this with the built in Euler angles. computing power and the highly configurable on- - Gesture recognition of significant motion, tilt, pickup, board memory the BHA smart-hub offers you a low wake up and glance. Enabling customer specific power solution for motion sensing and data gesture based HMI interfaces for smartphones and processing. wearables. - Activity recognition of standing, walking, running, biking Target applications and in vehicle. Enabling health & fitness applications or Activity recognition of standing, walking, any other use case where highly accurate and reliable running, biking or in vehicle detection and/or monitoring of user activities is required. HMI interfaces incl. gesture detection of - Step detection and step counting. motion, tilt, pickup, wake up and glance Step detection and step counting - Android 5 / L / Lollipop & Android 6 / M / Marshmallow (non-HiFi) support, incl. batching with dual FIFO buffer Indoor navigation, PDR Augmented reality, immersive gaming for wakeup and non-wakeup events. Implements the full Android sensor stack although an Android OS or any Tilt compensated eCompass and other Android environment is not required. orientation - High speed I2C interface, with data rates up to 3.4 Target devices MBit/s for power-efficient data transfer. Mobile phones and tablets - Highly configurable internal RAM for either feature Wearables such as smart watches, wrist- extension and/or FIFO data buffering. or neck-bands - SW / FW based functionality. Can be updated, Smart-sports and smart-fitness devices optimized, customized or upgraded with totally new Hearables, smart earphones and other features to support future requirements. head worn devices - Smart-hub plus microcontroller, MEMS sensors and Smart-TV- or AR/VR controllers software all highly integrated in one 2.2x2.2x0.95 mm3 Smart-pens LGA package with extension interface for additional sensors. Implemented Sensor Types With integrated acceleration sensor only: Accelerometer, Step counter, Step detector, Significant motion, Tilt gesture, Pickup gesture, Wake up gesture, Glance gesture, Activity recognition With attached gyroscope: Gravity, Linear acceleration, Gyroscope, Gyroscope uncalibrated, Game rotation vector With attached magnetometer: Geomagnetic field, Magnetic field uncalibrated, Orientation, Rotation vector, Geomagnetic rotation vector BST-BHA250(B)-DS000-04 Revision 1.4 April 2020 Bosch Sensortec Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany. Note: Specifications within this document are preliminary and subject to change without notice.