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Apply LED lighting control with thermal monitoring

Posted: 02 May 2011     Print Version  Bookmark and Share

Keywords:negative temperature coefficient  thermal management 

With new LED lights, one of the most difficult, demanding, and costly sections of a design is thermal management. Without sufficient thermal management, the results can be catastrophic, ranging from leaving you in the dark to setting a building afire. This article will discuss how to implement negative temperature coefficient (NTC) thermal management to achieve safer LED designs that consume less power.

With traditional filament-base bulbs, any heat generated is from the filament, which is well isolated from direct contact with the buln. With LED lights, the LED is the source of light and the heat generated by the LED is in direct contact the LED light bulb. The direct contact is a result of how the LEDs have to be attached to the driver circuit.

To remove the heat, thermal dissipation or management is required to move the heat away from the LEDs and driver circuit. The thermal management or removal of heat is necessary to provide a LED light that is capable of many hours of operation.

View the PDF document for more information.

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