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
| Order | |||
|---|---|---|---|
|
Out of Stock | 0 pieces | Not available |
|
Out of Stock | 0 pieces | Not available |
|
Out of Stock | 0 pieces | Not available |
|
Out of Stock | 0 pieces | Not available |
|
Out of Stock | 0 pieces | Not available |
YouTube
Loading the video requires your consent. If you agree by clicking on the Play icon, the video will load and data will be transmitted to Google as well as information will be accessed and stored by Google on your device. Google may be able to link these data or information with existing data.
Technical data
Package dimensions (typ.)
2.5 x 3.0 x 0.95mm³
Current consumption
Fuser2 (running CoreMark)
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
Digital resolution
Accelerometer (A): 16-bit
Gyroscope (G): 16-bit
Gyroscope (G): 16-bit
Measurement ranges
(* at Full Scale ±32g, the maximum measurable acceleration is typically ±28g)
(* at Full Scale ±32g, the maximum measurable acceleration is typically ±28g)
(A): ±4, ±8, ±16 g, ±28g*
(G): ±125°/s, ±250°/s, ±500°/s, ±1000°/s, ±2000°/s
(G): ±125°/s, ±250°/s, ±500°/s, ±1000°/s, ±2000°/s
Output data rates (selectable)
(A): 12.5Hz … 1.6KHz
(G): 12.5 Hz ... 6.4 kHz
(G): 12.5 Hz ... 6.4 kHz
Offset soldered, over life
(A): ± 25 mg
(G): ± 0.5 °/s
(G): ± 0.5 °/s
TCO
(A): ± 0.25 mg/K
(G): ± 0.015 °/s/K
(G): ± 0.015 °/s/K
Sensitivity Error
(A): 0.4%
(G): 2%
(G): 2%
Noise density (typ.)
(A): 160 μg/√Hz (8g),
170 μg/√Hz (28g)
(G): 0.007 °/s/√Hz (performance mode),
0.01 °/s/√Hz (normal mode)
170 μg/√Hz (28g)
(G): 0.007 °/s/√Hz (performance mode),
0.01 °/s/√Hz (normal mode)
Interface
▶ Host interface configurable as SPI or I2C
▶ 2 secondary master interfaces
one I²C interface
one selectable SPI or I²C
▶ Up to 14 GPIOs
▶ 2 secondary master interfaces
one I²C interface
one selectable SPI or I²C
▶ Up to 14 GPIOs
Power modes
High perf. mode, normal mode, low power mode (LPM), suspend mode
Memory
256 kByte on-chip SRAM
Temperature range
-40 … +85 °C
Supply voltage
1.71 ... 3.6 V (VDD)
1.71 ... 1.89 V (VDDIO)
1.71 ... 1.89 V (VDDIO)
