Sensing solutions for wearables

The BMA550 sensor for hearables makes a big wave against unwanted sound waves. The innovative accelerometer works as body sound sensor for sensing bone conducted voice. Smart “voice enhancement” filters out distracting noises during phone calls and amplifies your own voice. This means that the person you are talking to can always understand you, even in noisy atmospheres. The BMA features 5-7x lower noise than standard accelerometers, low power consumption and high data rate up to 48 kHz for low latency.

The BMA456 is an ultra-small, triaxial, low-g high performance acceleration sensor with digital interfaces. The sensor is suitable for low-power and demanding consumer electronics applications. It detects wrist tilt, tab/double tab and enables plug ’n’ play step counting especially in wearable devices.

Bosch Sensortec´s triaxial BMA400 is the first real ultra-low power acceleration sensor. Accordingly, the BMA400 is especially suited for wearable devices, which need a long-lasting battery lifetime. Further, it is the ideal solution for smart home applications e.g. smart indoor climate systems and smart home security systems. By distinguishing between critical situations and false signals, the new acceleration sensor avoids false alarms.

The low-power, low-noise BMM150 is a 3-axis digital geomagnetic sensor that perfectly matches the requirements of compass applications. By means of sensor data fusion software tailored to the hardware, the BMM150 provides absolute spatial orientation and motion vectors with high accuracy and dynamics. The BMM150 is also especially suited for supporting drones in accurate heading. The BMM150 can be used together with an inertial measurement unit consisting of a 3-axis accelerometer and a 3-axis gyroscope such as Bosch Sensortec’s BMI055.

The BMI323 is a general purpose, low-power Inertial Measurement Unit (IMU) that combines precise acceleration and angular rate (gyroscopic) measurement with intelligent on-chip motion-triggered interrupt features. BMI323 targets fast and accurate inertial sensing in all applications. It is an easy-to-use IMU with an integrated feature set.

The ultra-low power BMI270 is an IMU optimized for wearables providing precise acceleration, angular rate measurement and intelligent on-chip motion-triggered interrupt features. The 6-axis sensor combines a 16-bit tri-axial gyroscope and a 16-bit tri-axial accelerometer featuring Bosch’s automotive-proven gyroscope technology. BMI270 includes several functionalities such as an integrated plug-and-play step counter/detector for wrist-worn devices. Moreover, the IMU is suitable for hearables, smart clothes, smart shoes, smart glasses and ankle bands.

The BMP581 is the new benchmark in the field of barometric pressure sensors and impresses with its enormous accuracy. This enables endless and new use cases such as fitness tracking where accurate altitude change is key. The low power and low noise 24 bit absolute barometric pressure sensor significantly improved its accuracy compared to previous generations at smallest size. It offers outstanding design flexibility, providing a single package solution that customers can easily integrate into a multitude of existing and upcoming devices such as GPS modules, wearables, hearables, smart home, IoT and industrial products.

BMP384 has a gel-filled cavity that allows higher robustness against water, liquids and other chemicals if the applicable integration concept is used. The BMP384 is perfectly suitable for applications of water-level and clog detection. It is compatible for use with other Bosch Sensortec sensors, including the BMI088 for better performance, robustness and stability. The BMP384 with its small footprint offers outstanding design flexibility, providing a single package solution that is easy to integrate into other existing and upcoming devices for smart homes, industrial products and wearables.

The BME280 is a humidity sensor especially developed for mobile applications and wearables where size and low power consumption are key design parameters. The unit combines high linearity and high accuracy sensors and is perfectly feasible for low current consumption, long-term stability and high EMC robustness. The humidity sensor offers an extremely fast response time and therefore supports performance requirements for emerging applications such as context awareness, and high accuracy over a wide temperature range.

The BME688 is the first gas sensor with Artificial Intelligence (AI) and integrated high-linearity and high-accuracy pressure, humidity and temperature sensors. It is housed in a robust yet compact 3.0 x 3.0 x 0.9 mm³ package and especially developed for mobile & connected applications where size and low power consumption are critical requirements. The gas sensor can detect Volatile Organic Compounds (VOCs), volatile sulfur compounds (VSCs) and other gases such as carbon monoxide and hydrogen in the part per billion (ppb) range.

The BMP390 is a very small, low-power and low-noise 24-bit absolute barometric pressure sensor. The digital, high-performance sensor is ideally suited for a wide range of altitude tracking applications. This new BMP390 pressure sensor offers outstanding design flexibility, providing a single package solution that customers can easily integrate into a multitude of existing and upcoming devices such as smartphones, GPS modules, wearables, hearables and drones.

The BHI260AP provides an ideal all-in-one solution for always-on sensor applications such as fitness tracking, pedestrian positioning, machine learning analytics and orientation estimation. BHI260AP is a smart sensor that includes a wide variety of software functionalities, a 32-bit customer programmable microcontroller, and a 6-axis IMU all in one package.

The BHA260AB is a smart sensor, which is optimized for 24/7, always-on sensor processing at ultra-low power consumption. BHA260AB consists of the new custom programmable and powerful 32-bit microcontroller, a 3-axis accelerometer and a powerful software framework containing pre-installed sensor fusion and other sensor processing software. In combination with its wide connectivity and extendibility, the BHA260AB becomes a versatile and ideal solution when it comes to applications such as power management and wake-up control, 3D orientation, step counting or activity recognition in smartphones, wearables and other mobile devices.

The BHI260AB is a smart sensor for advanced always-on sensor applications with significantly lower system power consumption of battery-powered devices. The sensor includes the new custom programmable and powerful 32-bit microcontroller, a state-of-the-art 6-axis IMU and a powerful software framework. The BHI260AB offers an open and flexible environment for developing sensor-based applications through a software development kit. In combination with its wide connectivity and extendibility, the BHI260AB is the versatile and ideal solution when it comes to 3D orientation, step counting, position tracking, activity recognition or context awareness in wearables, smartphones and other mobile devices.

The BHI160BP is an application-specific upgrade of the BHI160 family and comes with a Pedestrian Dead Reckoning (PDR) algorithm that enables pedestrian position tracking at a fraction of the power consumption of GNSS only solutions. BHI160BP integrates a 3-axis gyroscope, a 3-axis accelerometer and a programmable microcontroller together with a PDR-specific algorithm in one single sensor package. The smart sensor enhances the system in two aspects: It reduces the system power consumption and improves the robustness of the position tracking whenever the GNSS signal quality is low.