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Schreiner ProTech intros on-metal RFID label ••• STMicroelectronics unveils mode-changing MEMS accelerometer for Industrial IoT ••• Kontakt.io opens IoT platform to third-party devices ••• SensLynx offers IoT solution to reduce network downtime ••• Inmarsat research finds Industrial IoT reduces environmental impact of global supply chain ••• PrecisionHawk acquires drone company Uplift Data Partners.
By Rich Handley

STMicroelectronics Unveils Mode-Changing MEMS Accelerometer for Industrial IoT Applications

STMicroelectronics has announced its IIS2DLPC three-axis microelectromechanical system (MEMS) accelerometer, which can change operating mode from ultra-low-power to high-resolution. The sensor can provide continuous contextual awareness to wake the host system when action is required, the company reports, and can take accurate measurements before returning to ultra-low-power operation.

Since the accelerometer has multiple working modes, an Internet of Things (IoT) system—independently from human decision—can switch among several options, optimizing performance with power consumption to match what the battery-operated system can accept at any given moment. Such optimization can occur in many industrial applications, ranging from gas meters to motion tags and shipment trackers.

Due to this flexibility, STMicroelectronics reports, users can build longer-lasting, battery-powered industrial sensor nodes or medical devices, tamper-proof smart meters, or smart power-saving or motion-activated functions. In addition, the opportunity for extremely low power consumption enables smart accessories for industrial machinery or robotics to be created as battery-powered add-on modules requiring minimal integration.

A choice of four reduced-power modes lets users optimize consumption in wide-ranging application scenarios. Low noise, down to 90μg/√Hz in high-resolution mode, permits high measurement accuracy, according to the company. Additional features offer extra control over power consumption, including one-shot data conversion and a 32-level FIFO ("first in, first out") process for storing batched data to reduce CPU intervention. An integrated temperature sensor and built-in self-test capability are also provided.

Suitable for industrial applications, the IIS2DLPC is specified over a temperature range of -40 degrees to +85 degrees Celsius (-40 degrees to +185 degrees Fahrenheit). The IIS2DLPC is in production now, packaged as a plastic land grid array (LGA) device measuring 2 millimeters by 2 millimeters (0.08 inch by 0.08 inch) and 0.7 millimeter (0.03 inch) in thickness, and is priced at $1.10 each for orders of 1,000 pieces or more.

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