ST’s ISM330BX 6-axis inertial measurement unit (IMU) combines edge AI processing and sensor fusion for industrial vibration sensing and motion tracking. The compact system-in-package contains a 3-axis digital gyroscope and a 3-axis digital accelerometer featuring a low-noise architecture and bandwidth up to 2 kHz.
The part’s integrated edge-processing engine pairs a machine-learning core with AI algorithms and a finite state machine. This not only offloads the host processor, but also conserves system power. The ISM330BX also employs ST’s sensor fusion low-power (SFLP) algorithm for 3D orientation tracking. Adaptive self-configuration allows the sensor to automatically optimize settings in real-time to achieve best performance and power.
A built-in analog hub connects external analog sensors to the edge-processing engine for data filtering and AI inference. The ISM330BX also features Qvar, ST’s electric charge variation detector. Qvar enables the IMU to integrate touch and close-proximity detection, as well as value-added functions such as water leak sensing.
In production now, the ISM330BX costs $4 each in lots of 1000 units Additionally, the IMU is included in ST’s 10-year product-longevity program for industrial components.
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