Measurements of lower temperature, outdoor and industrial applications achieve greater accuracy with Microchip's MCP990X multi-channel temp sensor family

Top Quote Microchip Technology Inc.,has announced the MCP990X family of System Management Bus (SMBus) temp sensor ICs for monitoring of up to four channels in cold, outdoor and industrial low-temperature applications ranging from freezers and refrigerators to base stations and remote radio units. End Quote
  • (1888PressRelease) April 08, 2016 - New Delhi, [NASDAQ: MCHP] - With 1C maximum accuracy for both external and internal diode temperatures from -40C to +65C, these ICs provide a low-cost, highly flexible solution where precision is needed at lower temperatures.

    Advanced features of the MCP990X family include remote diode temperature measurement with resistance error correction that compensates for voltage drops from connectors and long board traces, enabling accurate readings of up to 20 inches away from the IC. Injected system noise from components such as DC-DC converters and backlight inverters is also minimised with a sample-frequency hopping filter, allowing for easier placement and routing. The combination of these features with options for dual, triple and quad temperature monitoring provides for a wider range of measurement opportunities for an entire system with a single IC.

    "Extending our thermal-management portfolio to include a focus on colder remote and industrial applications gives us a unique offering in the industry," said Bryan J. Liddiard, marketing vice president of Microchip's Mixed-signal and Linear Products Division. "These devices complement system designs for our extensive line of microcontrollers as well, helping to ease development time based on the sensing and processing needs of end products."

    Compact package options that take up less silicon space on the PCB and allow for smaller system solutions and better product design for temperature critical applications include a 2x2 footprint for the MCP9902 dual channel temperature sensor. The IC is the smallest temperature sensor in Microchip's portfolio and 33 percent smaller than the company's previous generation dual temperature sensor. Additionally, a 3x3 footprint package is available for the MCP9903 triple and MCP9904 quad temp sensors.

    Development support
    Microchip has also introduced the MCP9902 Evaluation Board (part # ADM00615), to enable development with the MCP9902 low temp sensor. This board is available now from microchipDIRECT (http://www.microchipdirect.com/ProductSearch.aspx?keywords=ADM00615) and any of Microchip's authorised worldwide distributors.

    Availability
    All three members of the MCP990X are available today for sampling and volume production in 5,000-unit quantities. The MCP9902 is offered in an 8-pin, 2x2 WDFN package. The MCP9903 and MCP9904 are available in a 10-pin, 3x3 DFN package.

    For additional information, contact any Microchip sales representative or authorised worldwide distributor, or visit Microchip's website at http://www.microchip.com/MCP990x_99047557. To purchase products mentioned in this press release, go to microchipDIRECT or contact one of Microchip's authorised distribution partners.

    Resources
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    Chip graphic: www.flickr.com/photos/microchiptechnology/25862280895/sizes/l
    Block diagram: www.flickr.com/photos/microchiptechnology/25862276745/sizes/l

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    About Microchip Technology
    Microchip Technology Inc. (NASDAQ: 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.

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