Microsemi Launches PanelMatch Inverter Module Family For Powering Cold Cathode Fluorescent Lamp Displays
-- Simplifies Customer Use in Multiple LCD Panel Applications -- Includes Designs for Single, Dual and Quad Lamps -- Targets Notebook, Sub-notebook, Desktop, Industrial Displays
IRVINE, Calif.--(BUSINESS WIRE)--June 24, 2002-- Microsemi Corp. (Nasdaq:MSCC - News), a leading manufacturer of power management integrated circuits, today announced that it has introduced a new line of inverter modules for powering CCFL lamps used in LCD panels for applications ranging from notebook computers to point-of-sale and factory automation displays.
Designated the LXM1617/18/23/24(TM) PanelMatch(TM) Series, the new family's design allows customers to use a single device in multiple applications, thus saving design time and reducing parts inventory. Initial modules are for single- and dual-lamp applications, with a quad-lamp version expected to be available in August 2002.
"Our new PanelMatch approach creates off-the-shelf solutions that greatly simplify customer design-ins for CCFL panels all the way from 3.9 to 18.1 inches in size," said Kelly Jones, Vice President and General Manager of Microsemi Integrated Products. "Programmable output power matching capabilities of LXM1617/18/23/24 modules solves a common customer problem of having to find new inverters any time their panel specifications change," he said.
Key to this expanded output matching capability are two pins of the input connector which allow users to program the maximum output current over a range in binary weighted steps. A choice of 2.2-watt, 4-watt or 6-watt output ratings, input voltages of 3.3V, 5V and 12V, and three output connector styles simplify system integration.
The new modules are based on Microsemi's LX1689(TM) backlight controller that features a patented direct-drive architecture able to extend battery operation in portable applications and provide flicker-free brightness control in ratios typically of 50:1.
The controller's high level of integration eliminates as many as 30 module components while providing cost and performance advantages including stable fixed-frequency operation, secondary-side strike-voltage regulation, open and shorted lamp protection with fault timeout, and an extended temperature rating of -20(degrees)C to 70(degrees)C. PanelMatch modules can be as small as 86x16x4.6mm, depending upon the number of lamps required.
Initial models in the PanelMatch Series include the single-lamp LXM1617(TM) and dual-lamp LXM1623(TM) modules that provide superior display brightness and burst-mode dimming with a typical dim range ratio of 50:1. These modules are targeted for thin film transistor (TFT) panels in notebook, sub-notebook and desktop monitors, portable instrumentation, industrial display controls, high brightness, factory automation and point-of-sale displays.
LXM1618(TM) single-lamp and LXM1624(TM) dual-lamp modules use amplitude control of the output current waveform for reduced dimming in the 5:1 range. These modules are targeted at lower-cost super twisted nematic (STN) panels or applications requiring little or no dimming.
The LXM1617/18/23/24 PanelMatch modules are available for immediate sampling and delivery with 10K quantity pricing from $10.83 for a single lamp inverter and $15.82 for a dual lamp inverter. Complete technical information is available on the Microsemi Web site, www.Microsemi.com. Samples can be ordered through this site, or from Microsemi sales representatives and franchised distributors.
About Microsemi
Microsemi is a leading designer, manufacturer and marketer of analog, mixed-signal and discrete semiconductors. The company's semiconductors manage and regulate power, protect against transient voltage spikes and transmit, receive and amplify signals.
Microsemi products include individual components as well as complete circuit solutions that enhance customer designs by providing battery optimization, reducing size or protecting circuits. Markets the company serves include mobile connectivity, computer/peripherals, telecommunications, medical, industrial/commercial, space/satellite and military.
More information may be obtained by contacting the company directly or by visiting its Web site at microsemi.com.
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Contact:
Microsemi Corp., Irvine
David R. Sonksen (financial/investors), 949/221-7101
Cliff Silver (editorial), 949/221-7112 |
