Smart sensor: BHI385
The BHI385 is a fully programmable smart IMU. Its extended accelerometer range and advanced software enable motion tracking, even in high-dynamic applications like sports wearables. Motion AI Studio empowers you to easily deploy custom machine learning models, bringing unmatched performance and flexibility to the edge of your wearable designs.
- Extended g-range
- Integrated AI with self-learning function
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Technical data
Fuser2 (running CoreMark)
- Long Run mode (20 MHz)
- Turbo mode (50 MHz)
- 800 Hz ODR
- 100 Hz ODR
950 μA
2.8 mA
1.2 mA
1.0 mA
8 μA
Gyroscope (G): 16-bit
(* at Full Scale ±32g, the maximum measurable acceleration is typically ±28g)
(G): ±125°/s, ±250°/s, ±500°/s, ±1000°/s, ±2000°/s
(G): 12.5 Hz ... 6.4 kHz
(G): ± 0.5 °/s
(G): ± 0.015 °/s/K
(G): 2%
170 μg/√Hz (28g)
(G): 0.007 °/s/√Hz (performance mode),
0.01 °/s/√Hz (normal mode)
▶ 2 secondary master interfaces
one I²C interface
one selectable SPI or I²C
▶ Up to 14 GPIOs
1.71 ... 1.89 V (VDDIO)
Stories
Strong, stronger, sensing solutions with AI
Level up with the smart sensor BHI385 in fitness wearables and Artificial Intelligence.
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FAQs for the BHI385
The BHI385 combines an IMU with programmable processing, sensor fusion and on-device AI, allowing sensor-data processing to run directly on the sensor rather than entirely on the host processor.
Yes. Its Self-Learning AI functionality can learn and recognize custom cyclic movements on the device, which Bosch highlights for applications such as workout and exercise evaluation.
Yes. Bosch Motion AI Studio can be used to develop and deploy custom-trained neural networks to the BHI385.
Yes. It is designed to operate as a sensor co-processor and can handle tasks such as sensor fusion, data batching, position tracking, activity recognition and gesture detection.
Yes. It can operate as a sensor hub and combine data from external sensors such as magnetometers and pressure sensors with its integrated IMU.