SMSC unveils high-accuracy, low-cost temperature sensors

December 4, 2008: SMSC, a semiconductor company providing innovative system solutions spanning analog, digital and mixed-signal technologies, announced two new families of high-accuracy, low-cost temperature sensors. Targeting applications such as notebook PCs, servers, and industrial and embedded systems, these solutions offer a variety of customizable features aimed at improving accuracy and minimizing the system-level footprint.

“Building on our expertise in thermal management, SMSC’s new analog temperature sensing designs continue to drive advancements that enable performance, cost and footprint advantages for our customers,” said Mark Beadle, vice president and general manager – Analog Products and Technology at SMSC. “Our goal is to leverage specialized, proprietary technologies developed by SMSC, which are geared to deliver highly accurate measurements in environments where temperature is constantly changing.”

The EMC141x family is designed to meet the challenges present when measuring the temperature of a substrate diode found on GPUs, CPUs, FPGAs or ASICs. These devices contain several technologies to improve the accuracy of the measurement of smaller geometry processors, including Automatic Beta Compensation that detects the requirements of a thermal diode and self configures the measurement attributes for an accurate reading. Resistance Error Correction adjusts for common series resistance found in substrate diodes and traces that would otherwise lead to measurement error. Ideality Configuration compensates for the common error effect present in substrate diodes and discrete transistors to avoid a spreading error over various temperatures.

The EMC107x family is designed for general purpose thermal management needs where a substrate diode is not being measured by the remote. Both the EMC1414 and EMC1074 use Anti-parallel Diodes to minimize device footprint and to combine the functionality of two remotes into two pins.


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