Cirrus Logic Energy Measurement ICs Offer Lowest Cost Solution While Optimizing Performance for Smart Grid Applications
January 24 2012 - 9:00AM
Business Wire
Featuring the highest energy measurement accuracy in the
industry, Cirrus Logic Inc.’s (Nasdaq: CRUS) CS5484/80/90 family of
analog front end (AFE) ICs gives designers of single and polyphase
utility meters and smart energy products a superior combination of
proven energy calculations, flexibility, performance and cost.
The CS548X/9X family is ideal for today’s smart utility meter
applications, which research firm IMS forecasts will grow to 170
million units by 2015, as well as the growing market for new
generations of smart energy products that provide consumers and
enterprises with more precise information about their electricity
consumption. By better understanding how much electricity their
products are using, consumers can make more informed decisions
about how, or when, to operate their products. Emerging
applications such as smart meters, white goods, smart appliances,
smart powerstrips/plugs, and energy efficient power supplies for
enterprise applications (e.g., servers) are critical components to
global Smart Grid initiatives designed to maximize efficiency of
the electric grid.
“Smart energy products continue to evolve and expand rapidly
beyond digital utility meters, which Cirrus Logic has been a leader
in with its advanced AFE products for more than a decade,” said
David Biven, director of Marketing for energy products at Cirrus
Logic. “Our new CS548X/9X family further strengthens our leadership
position by providing superior measurement accuracy and
flexibility, giving designers the added benefit of being able to
optimize their application for performance and price.”
Unique Analog Front End Technology Approach
Cirrus Logic’s approach to metrology solutions focuses on
application specific analog to digital converters that include
Cirrus Logic’s EXL Core™ technology, a highly innovative digital
architecture that is central to the IC family’s high performance
energy calculations and metrology features. This dedicated AFE
offers designers an industry standard metrology solution that works
in all applications, while allowing them the flexibility to choose
the right MCU to fit the specific design requirements.
Applications that incorporate features such as wireless and/or
powerline communication, LCD displays, RTC or calendaring
functionality, and digital IO stand to benefit by utilizing an AFE
and MCU combination. Comparative system-on-a-chip solutions that
offer multiple features on a single chip typically offer reduced
performance, fixed functionality and higher cost. Performing these
functions within a dedicated MCU allows designers more flexibility
to choose the right MCU, in the right process and at the right
price point for their given applications.
Highest Energy Measurement Accuracy
With measurement accuracy of 0.1 percent over a 4,000:1 dynamic
range for both active and reactive energy, the CS548X/9X family
offers performance that is significantly better than the nearest
competitor. A pre-programmed power calculation engine eliminates
any need for manual programming and also mitigates security
concerns. Two-second calibration times are up to 10X faster than
many competing SOCs, translating to accelerated production line
cycles and lower overall cost. The CS548X/9X offers system
designers best-in-class performance at the lowest price point,
while also providing the flexibility needed to meet rapidly
changing market conditions.
Pricing and Availability
The CS548X/9X is currently in volume production and is priced at
$0.75 in 100,000 quantities. The ICs are available in the following
package types: CS5484, 28-pin QFN; CS5480, 24-pin QFN; CS5490,
16-pin SOIC.
Cirrus Logic, Inc.
Cirrus Logic develops high-precision, analog and mixed-signal
integrated circuits for a broad range of innovative customers.
Building on its diverse analog and signal-processing patent
portfolio, Cirrus Logic delivers highly optimized products for a
variety of audio and energy-related applications. The company
operates from headquarters in Austin, Texas, with offices in
Tucson, Ariz., Europe, Japan and Asia. More information about
Cirrus Logic is available at www.cirrus.com.
Cirrus Logic, Cirrus and EXL Core are trademarks of Cirrus Logic
Inc. All other product names noted herein may be trademarks of
their respective holders.
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