updated 5/9/2011 4:16:25 PM ET 2011-05-09T20:16:25

IRVINE, Calif., May 9, 2011 (GLOBE NEWSWIRE) -- Microsemi Corporation(Nasdaq:MSCC), a leading provider of semiconductor technology aimed at powering a smart, secure, connected world, today announced a family of highly integrated Power over Ethernet (PoE) ICs for developing more energy-efficient IP phones and cameras, WLAN access points and other powered devices (PDs).

Microsemi's PD70x0x family of Energy-Efficient PoE (EEPoE™) front-end PD ICs enables PDs to receive up to 51 watts of power over all four pairs of the same standard Ethernet network cabling that is used to carry data.

"We have leveraged our PoE experience plus our long heritage in power electronics to create highly integrated PD solutions that support the full range of PD powering requirements," said Paul Pickle, Senior Vice President of Microsemi's Integrated Circuit Group. "These solutions enable the same energy-efficient four-pair powering that has been proven in our solutions for Power Sourcing Equipment, and reduce the size, cost and complexity of next-generation energy-efficient PDs."

Key Features and Benefits

-      Improved power efficiency for network PDs.

  • Support for four-pair powering in a single IC with built-in PWM controller, enabling PDs to receive a full 51 watts of power while reducing cable losses by over 50 percent.
  • 25Kohm input signature resistor disconnection, eliminating up to 0.13W of constant power dissipation.
  • 0.6ohm worst-case isolating switch, reducing power dissipation up to 40 percent compared to alternative solutions.
  • Low Power Mode, reducing standby power losses by 80 percent.

-      Exclusive Port Fail Warning indication, which allows customers to perform an orderly PD shutdown in case power from the PSE is lost.

Microsemi's PD70x0x EEPoE™ front-end PD ICs join the company's family of two- and four-pair, standard- and high-power PoE solutions, including midspans and Power Sourcing Equipment (PSE) ICs and splitters.

Family Details, Pricing and Availability

Microsemi offers four PD70x0x versions including Type 1 and Type 2 solutions, as well as devices that feature integrated pulse width modulation (PWM) controllers to simplify design while reducing PD size and cost. Each device is sampling now and will enter volume production in the third quarter of 2011. Family members include:

  • PD70100: IEEE802.3at-2009 Type 1 PD front-end device, housed in a dual flat no-lead (DFN) 12-pin 4x3mm package.
  • PD70101: IEEE802.3at-2009 Type 1 PD front-end device with integrated 100-500KHz PWM Controller, housed in a quad flat no-lead (QFN) 32-pin 5x5mm package.
  • PD70200: IEEE802.3at-2009 Type 2 PD front-end device, housed in a DFN 12 pin 4x3mm package.
  • PD70201: IEEE802.3at-2009 Type 2 PD front-end device with integrated 100-500KHz PWM Controller, housed in a QFN-32 pin 5x5mm package.

Pricing depends on device and volume, and ranges from $1.07 per unit for the PD70100 in OEM quantities of 5,000, to $1.81 per unit for the PD70201 in OEM quantities of 10,000. Evaluation boards are available from Microsemi to demonstrate the EEPoE PD70x0x devices' functionality.

About Power over Ethernet Technology

PoE is a technology for wired Ethernet, the most widely installed local area network technology in use today. PoE allows the electrical power necessary for the operation of each end-device to be carried by data cables, rather than by separate power cords. It minimizes the number of wires used to install the network, resulting in lower cost, less downtime, easier maintenance and greater installation flexibility. The technology was pioneered by PowerDsine, a founding member of the IEEE 802.3af and IEEE802.3at Task Forces. The company became part of Microsemi's Analog Mixed Signal Group after its acquisition in January 2007, and recently shipped the 100 millionth port for its line of PoE midspans and advanced controller components.

About Microsemi

Microsemi Corporation (Nasdaq:MSCC) offers the industry's most comprehensive portfolio of semiconductor technology. Committed to solving the most critical system challenges, Microsemi's products include high-performance, high-reliability analog and RF devices, mixed signal integrated circuits, FPGAs and customizable SoCs, and complete subsystems. Microsemi serves leading system manufacturers around the world in the defense, security, aerospace, enterprise, commercial, and industrial markets. Learn more at http://www.microsemi.com .

The Microsemi Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=1233

All trademarks are the property of Microsemi Corporation. All other trademarks and service marks are the property of their respective owners.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to the announcement of a family of highly integrated Power over Ethernet (PoE) ICs for developing more energy-efficient IP phones and cameras, WLAN access points and other powered devices (PDs), and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on our current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of the company's products, adverse circumstances in any of our end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and all subsequent Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

CONTACT: Kelly Poffenberger
         Tel: (562) 316-5283
         kellyp@magnetprgroup.com

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