STMicroelectronics LSM6DSV32X inertial module

Thursday, 13 June, 2024 | Supplied by: STMicroelectronics Pty Ltd


The STMicroelectronics LSM6DSV32X 6-axis inertial module (IMU) has a large accelerometer full-scale range of 32g and 4000 dps gyroscope to measure intensive movements and impacts, including freefall height estimation. The sensor device enables extra features and longer battery runtime in consumer wearables, asset trackers, and impact and fall alarms for workers.

The inertial module extends the family of smart sensors that contain ST’s machine-learning core (MLC) with AI algorithms based on decision trees. With the MLC for context sensing and a finite state machine (FSM) for motion tracking, these sensors let product developers add new features, reduce latency and save power. The inertial module also embeds a Sensor Fusion Low-Power (SFLP) algorithm to perform 3D orientation tracking at 30 µA. By supporting adaptive self-configuration (ASC), the module autonomously reconfigures sensor settings in real time to continuously optimise performance and power.

In addition to the accelerometer and gyroscope, the inertial module integrates ST’s Qvar electrostatic charge-variation sensing to handle advanced user-interface functions such as touching, swiping and tapping. The module also contains an analog hub for acquisition and processing of external analog signals.

The inertial module provides a range of tools and ready-to-use libraries for product developers; these include the MEMS Studio environment, which supports evaluation and use-case development, and a dedicated GitHub repository that provides code examples such as sports-activity and hand-gesture recognition. Resources also include hardware adapters for connecting the IMU to ST’s evaluation and proof-of-concept boards such as the ProfiMEMS board, Nucleo sensor expansion board and Sensortile.box PRO.

The LSM6DSV32X has entered volume production in a 2.5 x 3 x 0.83 mm 14-lead LGA package. Sample requests and pricing information are available from local ST sales offices.

Online: www.st.com
Phone: 02 9158 7200
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