Design Of Adjustable Optical Digital LED Driver Power Supply

Because of the global energy crisis problem growing, low-carbon and environmentalprotection has become a focus issue.People pay more and more attention to these.As a major ofelectrical energy consumption,lighting are concerned.LED(Light Emitting Diode) as a newconcept of solid-state light source, because of its advantages such as energy saving,environmental protection, long life, high efficiency, easy control and so on, is recognized as oneof the most promising high-tech of21st century all of the world.Semiconductor lightingtechnology innovation is rewriting the history of traditional lighting.At precent, LED lightinghas already been entered the house lighting. High power LED application in general lightingachievement is outstanding.LED home furnishing lighting is a huge potential market.In this paper, we research the technical problems of LED household lighting, analysis thecharacteristics and application fields of LED, design a high-power LED diver supply whichappropriate for household lighting, and design a LED intelligent lighting control system basedon C8051F020MCU and JF24D wireless module. We adopt digital dimming technology toachieve high precision, high efficiency, without color partial LED brightness adjustment.Thepaper’s main research work is divided into the following areas:Firstly, introduce the background of the research, and analyze the research situation of LEDdriver power supply.Secondly, deeply analyses the topological structure and working principle of LED driverpower supply.Combine with the characteristics of LED, design a Flyback LED digital driverpower supply.Thirdly, based on digital LED driver power supply, design hardware circuits and softwareprogram of each function module.Then, test each functional module of the system and analysis the result. Finally, summarizeall work above and look into the distance of LED driver.