Bosch Sensortec
BMM350 Magnetometer & BHI360 Smart Sensor
Experience precise and accurate magnetic field sensing capabilities for a wide range of applications in hearables and more. Bosch Sensortec's BMM350 Magnetometer and BHI360 Smart Sensor System enable seamless integration of advanced sensor functionalities into your designs so that you can go to market with more efficient IoT applications.
BMM350
The Bosch BMM350 is a very small 16-bit 3-axis, low-current magnetometer that brings the benefits of superior efficiency, high accuracy, and low-noise, into a compact package. This digital sensor is an optimal choice for a wide variety of consumer applications in addition to hearables; such as virtual, augmented, and mixed reality, head orientation, indoor navigation, magnetic compass, high-end gaming, and robotics.
Features
- Package dimensions: 1.28 x 1.28 x 0.5 mm³ wafer level chip scale package (WLCSP)
- Operating range: -40 °C to 85 °C
- Sensitivity Temperature Drift (typ.): ± -0.010 %/K
- Average typical current consumption: 200 µA @ 100 Hz in normal mode
- Magnetic field range, all axes: ± 2000 µT
Applications
- Head orientation for 3D audio
- Indoor navigation
- Reduced motion sickness in AR/VR
- Positioning and speed detection
BHI360
TBHI360 is a programmable IMU-based sensor system combining a gyroscope with an accelerometer that enables full customization. The integrated sensor fusion library enables 3D audio with head orientation for personalized sound experiences as well as simple gesture recognition. It can be used in wearables and hearables, smartphones and tablets, smart devices and more.
Features
- ARC EM4 CPU (up to 3.6 CoreMark/MHz)
- Optimized for accelerometer based always-on algorithms
- 144 kB on-chip ROM preloaded with software
- Support for high-performance mode as well as low-power modes
- 4-Channel micro-DMA Controller
Applications
- Wrist wearables (smartwatches, fitness bands, smart hybrid watches)
- Head mounted devices (headsets, truly wireless in-ear devices, smart sunglasses)
- Smartphones and other mobile communication devices
- AR/VR/MR headset and controller devices