Ultra-low power accelerometer for IoT and wearables now available

Bosch Sensortec's BMA400, an ultra-low power MEMS acceleration sensor for IoT and wearable applications, is now available worldwide. Due to its low current consumption, embedded plug-and-play step counting and activity recognition features, the device considerably extends battery lifetime of wearables such as smart watches and fitness trackers. It can wake up automatically when it recognises motion and returns to sleep mode when the movement ends, therefore avoiding waking the main application processor. This characteristic reduces battery consumption significantly, extending charging intervals. For IoT applications like indoor climate systems and security systems in smart homes, the device’s constant measurement capabilities and always-defined bandwidth make it a perfect choice for hassle-free usage. Its ultra-low power consumption means replacing batteries is a less frequent burden for homeowners. These excellent qualities led to the device winning the prestigious CES 2018 Innovation Award in the category Embedded Technologies. With its built-in voltage regulator, the device delivers stable performance over a wide supply voltage range. It offers flexible device tuning for power consumption, noise and ODR parameters. The compact size of only 2mm x 2mm x 0.95mm³ and the integrated plug-and-play step counter make the device easy to design into new types of wearables such as regular watches and jewellery.