Microchip Introduces World's First Temp Sensor Family with 1.8V SMBus and I2C™ Interface for Latest

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Microchip Introduces World's First Temp Sensor Family with 1.8V SMBus and I2C™ Interface for Latest Smartphone, Tablet and PC Chipsets

Also First Temperature Sensor ICs with Advanced Frequency-Hopping Filters for 8 Inch Traces in Noisy Environments; Provide Flexible Dual, Triple and Quad Monitoring Options

CHANDLER, Ariz.--(BUSINESS WIRE)-- Microchip Technology Inc. (NAS: MCHP) , a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced a new six-member family of temperature sensor ICs called the EMC118X. This is the world's first family of temp sensors with 1.8V SMBus and I2C™ communications, which is required for interfacing to the latest generation of smartphone, tablet and PC chipsets. Additionally, this integrated low-voltage I/O support reduces cost and board space because it is accomplished without an external voltage level shifter. These are also the first temp sensors to use an advanced sample-frequency-hopping filter, which enables temperature-monitoring traces of up to 8 inches in noisy environments with accurate readings. The EMC118X family serves a broad range of applications in the mobile, commercial and embedded computing markets, by combining the above features with options for dual, triple and quad temperature monitoring, along with hardwired system-shutdown settings that can't be overridden by software.


The latest generation of smartphone, tablet and PC chipsets utilize advanced process geometries, which have a 1.8V upper voltage limit for I/O signals. There are few temperature sensors with 1.8V I2C/SMBus interfaces, and the EMC118X is the first family to provide this capability, along with a flexible set of integrated feature options. It is also difficult to extend analog traces near noisy components, such as DC/DC converters and backlight inverters. The EMC118X family employs frequency-hopping on the sampling frequency, which avoids the injection of coherent noise and enables traces of up to 8 inches while maintaining accurate temperature readings.

"We continue to expand our thermal-management portfolio, which is one of the most extensive in the industry," said Bryan J. Liddiard, marketing vice president of Microchip's Analog and Interface Products Division. "1.8V communication compatibility has become important for all leading system chipsets, from tablets to PCs to smartphones, and this new temp sensor family meets that need while providing many other advanced features."

Development Support

Microchip also introduced the EMC1182 Evaluation Board (part # ADM00516) today, to enable development with these new temp sensors. This board is available now for $29.99, from microchipDIRECT and any of Microchip's authorized worldwide distributors.

Pricing and Availability

All six members of the EMC118X temp sensor family are available today for sampling and volume production, starting at $0.51 each in 5,000-unit quantities. The EMC1182 is offered in 8-pin DFN and TDFN packages. The EMC1183, EMC1184, EMC1187 and EMC1188 are all available in a 10-pin DFN package. The EMC1186 is offered in an 8-pin TDFN package.

For additional information, contact any Microchip sales representative or authorized worldwide distributor, or visit Microchip's Web site at http://www.microchip.com/get/7TEL. To purchase products mentioned in this press release, go to microchipDIRECT or contact one of Microchip's authorized distribution partners.

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About Microchip Technology

Microchip Technology Inc. (NAS: MCHP) is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality. For more information, visit the Microchip website at http://www.microchip.com/get/A1JB.

Note:The Microchip name and logo is a registered trademark of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are the property of their respective companies.

Tags / Keywords:Temperature Sensor,1.8V SMBus,1.8V Compatible,I/O Voltages,1.8V I2C

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Microchip Technology Inc.
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