2012年8月20日星期一

LED lamps intelligent drive system design principles


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LED is a new type of semiconductor solid state light source, with low power consumption, long life and environmentally significant advantages. PT4115 do LED constant current drive designed with intelligent dimming control of LED spotlights drive system. PT4115 input voltage range, the design of the the TOP249Y ba sed power adapter. The results show that the system can be effective in achieving intelligent control, and improve energy efficiency, saving energy lamp. Introduction of dimmable led downlights lighting is the mainstream of the global energy-saving, high power LED lighting is the main trend of the future world lighting light-emitting system. High-power LED with high brightness, energy saving and environmental protection, security and stability of higher than conventional light sources, saving 60% to 70% ....

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