Product overview
The BWSENSING BW-IMU125C is an inertial sensing component for applications including unmanned aircraft, robots and platform stabilization. Its measurement architecture combines a gyroscope with an accelerometer specified for the X, Y and Z axes. CAN provides the output interface, while sampling reaches up to 500Hz. Dynamic, orthogonality and temperature compensation are included features. For integration into a powered system, the unit accepts 9-36V DC and draws 30mA, with a maximum operating current of 40mA.
Mechanical integration has two stated configurations: a packaged unit measuring 60 × 59 × 29 mm and a bare board measuring 44 × 35 × 11 mm. Bare-board length and width may vary by ±1mm, with actual dimensions governing fit. Operation spans -40 to 85°C, and storage spans -55 to 100°C. Measurement limits include a ±400°/sec gyroscope range and ±3.6 g accelerometer range on each axis. Gyroscope bandwidth is 100Hz; bias-stability figures retain their distinct temperature, averaging-time and statistical conditions.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | BWSENSING BW-IMU125C high-performance inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500Hz |
| Output interface | CAN |
| Temperature compensation | Temperature compensation across -40°C to +85°C |
| Supply voltage | 9-36V DC |
| Operating current | 30mA; 40mA maximum |
| Operating temperature | -40 to 85°C |
| Storage temperature | -55 to 100°C |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope range | ±400°/sec |
| Gyroscope room-temperature bias stability | Less than 30 °/hRoom temperature; 10s, 1σ. |
| Gyroscope full-temperature bias stability | Less than 20 °/hFull temperature range; 10s, 1σ. |
| Gyroscope angle random walk coefficient | Less than 0.1 °/√h |
| Gyroscope bias repeatability | Less than 50 °/h1σ. |
| Gyroscope scale-factor nonlinearity | ≤100ppm1σ. |
| Gyroscope bandwidth | 100Hz |
| Accelerometer range | ±3.6 gX, Y and Z axes. |
| Accelerometer resolution | 0.01 mg |
| Accelerometer bias stability at 100s | 0.001mg25°C; 100s; 1σ. |
| Accelerometer bias stability at 10s | 0.01mg25°C; 10s; 1σ. |
| Packaged dimensions | L60 × W59 × H29 mmPackaged configuration. |
| Bare-board dimensions | L44 × W35 × H11 mmBare-board configuration; length and width may vary by ±1mm; actual product dimensions govern. |
| Applications | Unmanned vessels, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robots and unmanned aircraft |
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