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LED drivers promise efficient heat management

Posted: 19 Feb 2007 ?? ?Print Version ?Bookmark and Share

Keywords:HB-LED? LED driver? LED? ERG? backlight?

<a href=Smart Force LED driver solutions from ERG" ALIGN="RIGHT">

Endicott Research Group (ERG) has introduced its new Smart Force family of LED driver solutions for high-brightness LEDs (HB-LEDs) used in many LCD backlighting applications.

Available as a LED driver board or a complete kit including driver board and LED rails, the Smart Force solutions promise a compact, reliable, electrically efficient and low-cost technology for driving HB-LEDs to backlight LCDs measuring 6.4 inches to 20 inches diagonal and larger.

DC/DC boost
The LED driver boards employ a DC/DC boost to provide voltage to a constant current driver and LED rail. The company can design driver boards with input voltages ranging from 5V to 48V.

"What makes Smart Force LED solutions unique is the small size of the driver boards and the thermal management used to dissipate heat from the LED junction," said Bill Abbott, ERG's director of sales & marketing. "They're very easy to integrate and are extremely reliable."

These LED solutions are offered as standard products with input voltages of 12-, 24- or 48V, in single, dual or 3-channel versions, with custom designs readily available. The compact LED driver board with 48V input voltage measures 34-by-60mm.

Heat management
Efficient thermal management gets the heat out of the LED rails and the display assembly, to ensure reliability for the increasingly stringent demands of many LCD applications. Standard features include separate enable/disable and PWM dimming controls. The PWM dimming control provides the high dimming ratios required by many of the more demanding LCD applications.

Pricing for ERG's Smart Force LED solutions varies according to input voltage and number of channels. Pricing for a driver board with 12V input voltage is $24.99 in 1,000-piece quantities in the standard package. Delivery is typically 4 weeks A.R.O.

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