Small temperature sensors

18 August 2010 Analogue, Mixed Signal, LSI

STMicroelectronics has announced a temperature sensor designed to allow electronic devices to benefit from features such as intelligent thermal protection.

The new STTS751 is mounted on the printed circuit board to feed back accurate temperature data, allowing a system to manage its temperature, for example, by activating a cooling fan or shutting down circuitry.

The new sensor measures 2 x 2 mm and has a low 50 μA operating current, a power-saving 3 μA standby current, and a one-shot mode that makes the device well suited for battery-powered devices. One-shot operation allows the sensor to sleep for extended periods, waking only to provide an instantaneous reading when triggered by the system.

The digital temperature sensor is accurate to within 1°C and communicates its temperature data via a System-Management Bus (SMBus) interface. This allows it to be designed into a wide range of consumer and professional equipment including solid-state drives, large display backlights, smart batteries, servers and routers, telecom and Internet infrastructure and e-readers.

For more information contact Robin Scholes, Avnet Kopp, +27 (0)11 809 6100, [email protected], www.avnet.co.za

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