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Power meter SoC includes digital temperature compensation

Posted: 03 Dec 2004 ?? ?Print Version ?Bookmark and Share

Keywords:tdk semiconductor? power meter system-on-chip? power meter soc? power meter ic? power meter chip?

TDK Semiconductor Corp. rolled out a new member of its power meter SoC product line that integrates a 21bit delta-sigma converter with three sensor channels, 32bit compute engine, MCU, RTC, LCD driver and precision voltage reference. In addition, it includes 64KB of flash, 7KB RAM, 5V LCD boost, 2+ UARTs and an I?C interface.

Equipped with on-chip digital temperature compensation and the company's patent-pending Single Converter Technology, the new 71M6511 delivers superior linearity over 2000:1 current range, and under adverse environmental conditions. Requiring a single 3.3V capacitive supply circuit, the device consumes

"The 71M6511 mirrors many architectural features of our highly successful 71M6513 metering IC announced earlier this year and is optimized to address dynamic market trends facing residential meter manufacturers today," commented Kourosh Boutorabi, product line manager for metering products. "Wide dynamic range, unprecedented programmability, performance and memory options support various classes of residential meter designs intended for domestic and export markets worldwide."

Designed for tamper resistant residential time-of-use (TOU) and Pre-payment metering, the power meter IC has prices starting at $2.60 in 10,000-unit quantities. This SoC can be produced in flash and ROM versions, as well as 0.5 and 0.1 percent accuracy options. It is already available for sampling in 64-pin LQFP packaging options.

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