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Calxeda Powers Servers With Exar's PowerXR Technology

FREMONT, Calif., Feb. 5, 2013 /PRNewswire/ -- Exar Corporation (Nasdaq: EXAR), a leading supplier of high performance analog mixed-signal components and data management solutions, today announced that Calxeda, the company that is already reinventing the datacenter with its ARM® technology, has selected Exar's Power XR XRP7724 for optimized power delivery.  Leveraging the dynamic control and programmability of Exar's Power XR technology, Calxeda has engineered their server power systems with dynamic voltage control for the lowest power consumption. The XRP7724 flash based memory provides customers the ability to improve power system optimization with system firmware upgrades.


"Calxeda is pioneering the server market with low power ARM SOCs and extends this philosophy to the entire system creating the lowest power systems available," said Karl Freund, Calxeda vice president of marketing. "Using that same philosophy, our designers are using the XRP7724 for better power optimization and configurability on our already low power systems. Along with easy to use design tools that improve time to market, Exar's technology was the right choice for Calxeda."

As the server market shifts to low power CPUs in higher densities, Calxeda has been instrumental in defining the requirements of this new server market.  Power XR enables Calxeda to dynamically control their power system, achieving 1/20 th the power consumption of other programmable solutions on the market today.

"We are excited that Calxeda, a leader in low power server design, has selected Exar's XRP7724," said James Lougheed, vice president, Power Management and AMS products at Exar. "The XRP7724 offers customers a smaller footprint solution compared to existing analog solutions, making it ideal for next generation servers.  Our PowerArchitectâ„¢ development tool enables customers to rapidly design and test their system power solutions to get to market quickly.  Calxeda has leveraged the advanced features of our technology allowing for improved optimization and unique upgradability," Lougheed concluded.

About Power XR Exar's Programmable Power Management family is marketed under the Power XR brand. The Power XR family of products combines programmable power conversion control and monitoring technology with high performance analog circuitry in the industry's leading portfolio of programmable power management system solutions. Power XR enables system architects to create innovative products with advanced, intelligent, switching power supplies that significantly reduce wasted power and improve overall time to market compared to legacy analog power-supply regulators.

About PowerArchitect – Programmable Design ToolExar's PowerArchitect development tools enable designers to intelligently configure the power supply's voltage setting and current thresholds, fault monitoring and response, soft start and active shutdown timing, channel sequencing, phase shift management and loop response amongst other features. Dynamic control and full system monitoring enable system architects and power designers alike to develop custom, proprietary system power designs that add value to their end applications.

Additional information is available online - PowerXR


PowerArchitect 5.0

About ExarExar Corporation designs, develops and markets high performance, analog mixed-signal integrated circuits and advanced sub-system solutions for data communication, networking, storage, consumer, and industrial applications.  Exar's product portfolio includes power management and connectivity components, communications products, and network security and storage optimization solutions.  Exar has locations worldwide providing real-time customer support. For more information about Exar, visit

SOURCE Exar Corporation

Copyright 2011 PR Newswire. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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