應用于汽車內部及外部照明的LED驅動器方案概覽

摘要：近年來，隨著LED在光效及成本等幾乎各個方面的持續改進，其應用領域不斷拓寬，從傳統的便攜設備背光向中大尺寸LCD顯示器/液晶電視背光、汽車及通用照明等領域不斷邁進。本文將專門介紹適合于汽車照明應用的各種LED驅動器方案，并探討一些典型應用。 敘詞：LED 汽車 照明 背光 驅動器 Abstract：With the improvement of light effects and lowering of cost in recent years, the application of LED has been widened, from back lighting for traditional portable equipment, to back lighting for large-sized LCD screen/TV sets, cars and general lighting. The paper is to focus on various LED driver schemes applicable to car lighting, and also will put forward some typicle applications. Keyword：LED cars, Lighting, Back lighting, Driver