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|Cirrus Logic Power Meter IC Provides Precision Measurement for High
AUSTIN, Texas – With the introduction of the CS5461A and CS5463 high precision
power meter integrated circuits (ICs) from Cirrus Logic Inc. , digital power meter manufacturers are afforded a
simple upgrade path for next-generation power measurement applications. Pin-to-pin compatible with Cirrus Logic’s
popular CS5460A, these ICs provide additional features such as apparent and reactive power, allowing for shortened
development time, simplified bill-of-materials for next-generation meters.
“Increasingly, utility companies are
demanding more information about the power quality and efficiency of the power grid, and the CS5461A and CS5463
benefit our customers by generating this high-quality data on-chip,” said John Paulos, vice president and general
manager, Industrial Products Division, Cirrus Logic. “Calculating energy usage information directly on-chip
eliminates the need for additional on-board digital signal processor chips and in turn, reduces overall meter
Supporting all on-chip calculations performed by the CS5460A, the CS5461A also provides
apparent energy calculation, and the CS5463 further expands the feature set by offering reactive energy, power
factor, fundamental and harmonic energy, line frequency and more. These new ICs maintain the superior performance of
the CS5460A, offering energy data linearity to within 0.1 percent of reading over a 1000:1 dynamic range. Each IC
also provides an on-chip temperature sensor which allows designers to compensate for temperature drift error and
increase system accuracy. These ICs also feature a bi-directional serial interface for microcontroller
communication, which is initialized and fully functional upon reset.
The CS5461A and CS5463
strengthens Cirrus Logic’s portfolio of power measurement ICs, which also include the CS5451A, CS5460A, CS5462 and
Miércoles, 05 Octubre, 2005 - 11:00