Smart sensor: BHI160B
Low power. Integrated sensor fusion.
BHI160B
Smart sensor combining accelerometer, gyroscope and fusion software
The small BHI160B is a low-power smart sensor for motion sensing and data processing. BHI160B perfectly matches the requirements of applications, which demand highly accurate, real-time motion data at very low power consumption such as wearables. BHI160B integrates a 3-axis gyroscope, a 3-axis accelerometer and a programmable microcontroller. The sensor also contains pre-installed fusion software and specific algorithms that enable always-on motion sensing. The BHI160B offers a perfect solution for wearables, mobile technologies and remote controls for smart TVs and AR/VR controllers.
Technical data
| Parameter | Technical data |
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Parameter
Package dimension
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Technical data
3.0 × 3.0 × 0.95 mm³
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Parameter
Temperature ranges
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Technical data
-40 °C ...+85 °C
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Parameter
Supply voltage (VDDI0)
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Technical data
1.6 V … 3.3 V
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Parameter
Supply voltage (VDD)
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Technical data
1.71 V ... 3.6 V
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Parameter
Microcontroller Bosch Sensortec "fuser core"
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Technical data
32-bit floating-point ARC EM4 MCU running at 10 MHz
1.6 DMIPS/MHz performance, 3.41 CoreMarks/MHz 96 kByte ROM, 48 kByte shared RAM for FIFO, features & extension optimized for ultra-low power sensor data fusion |
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Parameter
Typ. current consumption
- Full 9DoF Fusion @100 Hz ODR¹ - Hub+IMU @100 Hz ODR - Hub+Gyro @100 Hz ODR - Hub+Acc @100 Hz ODR - Activity recognition - Significant motion - Step detector - Suspend mode |
Technical data
1,6 mA 1,2 mA 1 mA 310 μA 150 μA 128 μA 131 μA 11 μA |
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Parameter
Sensor fusion performance
- Static accuracy - Dynamic accuracy - Calibration time¹ - Orientation stabilization time - Step counting error - Activity recognition accuracy |
Technical data
[Head., Pitch, Roll] = 2, 2, 2, degrees [Head., Pitch, Roll] = 7, 2, 2, degrees <1 second 0.2 seconds <5%³ Precision: 85...97%⁴ Recall: 83...95%⁴ |
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Parameter
Implemented Sensor Types² with integrated IMU only
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Technical data
Accelerometer, gravity, linear acceleration,gyroscope, gyroscope uncalibrated, game rotation vector, step counter, step detector, significant motion, tilt detector, pickup gesture, wake up gesture, glance gesture,activity recognition of standing, running, biking, in vehicle
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Parameter
Implemented Sensor Types² with attached magnetometer
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Technical data
Geomagnetic field, magnetic field uncalibrated, orientation vector, rotation vector, geomagnetic rotation vector
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¹ With attached Magnetometer
² Full Android sensor stack is supported by connecting additional sensors to the BHI160
³ False positives <9 counts within 5 min while driving
⁴ Dependent on activity
