IRVINE, Calif., May 18, 2007 (PRIME NEWSWIRE) -- Microsemi Corporation (Nasdaq:MSCC), a leading manufacturer of high performance analog and mixed signal integrated circuits and high reliability semiconductors, has announced two new backlight controllers for notebook computers, additions to its extensive portfolio of devices that power cold cathode fluorescent lamps in LCD displays.
Designated the LX1693(tm) and LX1697(tm), the two new backlight controllers are optimized for the wide input voltage range found in notebook display applications and support Intel's Display Power Saving Technology that adjusts brightness as a function of video content.
The advanced architecture of the LX1693 includes all the support components needed to integrate the growing consumer demand for notebook computers having "Automatic Brightness Control." This system level power saving technique designed into the LX1693 uses available Microsemi ambient light sensors with a spectral response that closely emulates the human eye.
"Microsemi's patented full bridge backlighting technologies allow us to provide the market with a wide range of controller and light sensing solutions targeting specific end product design needs--as with these two cost effective controllers created for notebook computers," said Steven G. Litchfield, Microsemi Executive Vice President and President of the Analog Mixed Signal Group.
Both controllers feature Microsemi's advanced resonant full bridge topography in designs that extend the life of CCFL lamps, control EMI emissions and maximize efficiency. On-chip regulators allow direct operation from the notebook's battery, without the need of an external 5V supply from its system. Input voltage for the two controllers can range from 7 to 25 volts.
Used alone, or with Microsemi's optional SMBus interface ICs, the new CCFL lamp controllers can provide notebook, transportable computer and web tablet designers with a complete digitally-interfaced backlight control system. Dimming can be analog, digital, or a combination of the two.
Extensive fault detection features include open lamp, over-voltage, short circuit, over-current and over-temperature protection. Both controllers are RoHS Compliant and Pb-free.
The LX1697 is packaged in a 24-pin MLPQ surface mount package measuring 4mm square, and unit priced at $0.84 in 10K quantities. The LX1693 is packaged in a 28-pin MLPQ package measuring 4mm x 5mm, and is priced at $0.92. Both are available for immediate sampling. Samples can be ordered through the Microsemi website, http://www.microsemi.com, or from Microsemi sales representatives and authorized distributors.
Microsemi's resonant strike design provides unsurpassed fluorescent lamp striking power combined with highest operating efficiency. All Microsemi CCFL controller designs are protected by U.S. Patents: 5,615,093; 5,923,129; 593,121; 6,198,234; and other patents pending.
About Microsemi Corporation
Microsemi is a leading designer, manufacturer and marketer of high performance analog and mixed signal integrated circuits and high reliability semiconductors. The company's semiconductors manage and control or regulate power, protect against transient voltage spikes and transmit, receive and amplify signals.
Microsemi's products include individual components as well as integrated circuit solutions that enhance customer designs by improving performance and reliability, optimizing battery performance, reducing size or protecting circuits. The principal markets the company serves include implantable medical, defense/aerospace and satellite, notebook computers, monitors and LCD TVs, and automotive and mobile connectivity applications. More information may be obtained by contacting the company directly or by visiting its web site at http://www.microsemi.com.
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Investor Inquiries: David R. Sonksen, Microsemi Corporation, Irvine, CA (949) 221-7101.