BD6088GUL is a intelligent LED driver from ROHM company, it is suitable for mobile phone. It has 6 LED drivers and 4 GPO ports. It has ALC function, that is a Low Power Consumption System realized. It can be developed widely from the high End model to the low End model. As it has charge pump circuit for DCDC, it is no need to use coils, and it contributes to small space. VCSP50L3(3.50mm×3.50mm 0.5mm space) It adopts the very thin CSP package that is the most suitable for the slim phone.