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NPI Body

STMicroelectronics IIS2ICLX

High-accuracy, high-resolution, low-power, 2-axis digital inclinometer with embedded machine learning core

The IIS2ICLX is a high-accuracy (ultra-low noise, high stability and repeatability) and low-power two-axis linear accelerometer with digital output. CES Innovation Award 2021 for MEMS Inclinometer with machine-learning core (IIS2ICLX)The IIS2ICLX has a selectable full scale of ±0.5/±1/±2/±3 g and is capable of providing the measured accelerations to the application over an I²C or SPI digital interface.

Its high accuracy, stability over temperature and repeatability make IIS2ICLX particularly suitable for inclination measurement applications (inclinometers).

Key features

2-axis linear accelerometer
Selectable full scale: ±0.5/±1/±2/±3 g
Ultra-low noise performance: 15 µg/√Hz
Superior stability over temperature (<0.075 mg/°C) and repeatability

Additional features

2-axis linear accelerometer
Selectable full scale: ±0.5/±1/±2/±3 g
Ultra-low noise performance: 15 µg/√Hz
Superior stability over temperature (<0.075 mg/°C) and repeatability
Embedded compensation for high stability over temperature
I²C/SPI digital output interface
Low power: 0.42 mA with 2 axes delivering full performance
Sensor hub feature to efficiently collect data from additional external sensors
Smart embedded FIFO up to 3 kbytes
Programmable high-pass and low-pass digital filters
Programmable Machine Learning Core to integrate AI algorithms and reduce power consumption at system level
Programmable Finite State Machine to process data from accelerometer and one external sensor
Extended operating temperature range (-40 °C to +105 °C)
Embedded temperature sensor
Analog supply voltage: 1.71 V to 3.6 V
High shock survivability
ECOPACK, RoHS and "Green" compliant

Applications

Precision inclinometers
Antenna pointing and platform leveling
Structural health monitoring
Precise leveling instruments
Installation and monitoring of equipment
Robotics and industrial automation

Available tools

STEVAL-MKI209V1K:

MEMS inclinometer kit based on IIS2ICLX

The STEVAL-MKI209V1K evaluation board has an embedded IIS2ICLX inclinometer sensor, which is connected through flat cable to a simple adapter board (STEVAL-MKIGIBV2) to render it compatible with STEVAL-MKI109V3. The sensor is soldered precisely in the center of the board and double-sided adhesives are provided to allow users to conveniently mount the board on equipment destined for vibration analysis. Alternatively, you can mount the board using the holes located in each corner of the PCB.

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