STMicroelectronics IIS2ICLX inclinometer

Click2Contact

The IIS2ICLX from STMicroelectronics is a low-power, 2-axis digital inclinometer for use in applications such as industrial automation and structural health monitoring. It features a programmable machine-learning core and 16 independent programmable finite state machines that help edge devices save power and reduce data transfers to the cloud.

With its embedded functions, the product is designed to lower system-level power consumption to extend the operation of battery-powered nodes. The sensor’s inherent characteristics should simplify integration into high-performing products, while minimising the effort of calibration. It is housed in a high-performance ceramic-cavity LGA package measuring 5 x 5 x 1.7 mm, with an operating temperature range of -40 to +105°C.

Using MEMS accelerometer technology, the inclinometer has a selectable full scale of ±0.5/±1/±2/±3g and provides outputs over an I²C or SPI digital interface. Embedded compensation maintains stability overtemperature to within 0.075 mg/°C, ensuring repeatability even when ambient temperatures undergo extreme fluctuations. Its ultralow noise density of 15 μg/√Hz enables high-resolution tilt sensing as well as sensing of low-level, low-frequency vibration, as required in structural-health monitoring.

Whereas many inclinometers are single-axis devices, the 2-axis IIS2ICLX accelerometer can sense the tilt with respect to a horizontal plane along two axes (pitch and roll) or, by combining the two axes, can measure the tilt with respect to a single direction of the horizontal plane over a range of ±180°. The digital output should simplify system design and reduce bill-of-materials (BOM) cost by saving external digital-to-analog conversion or filtering.

The combination of high stability and repeatability and high resolution makes the product particularly suited to industrial applications such as antenna pointing and monitoring, platform levelling, forklift and construction machines, levelling instruments, equipment installation and monitoring, and installation and sun tracking for solar panels, as well as Industry 4.0 applications such as robots and autonomous guided vehicles (AGVs). In structural health monitoring, measuring inclination and vibration with the device can help assess the integrity of structures such as tall towers and infrastructure like bridges or tunnels.

For more information: www.st.com//iis2iclx-pr.