Part Number : SGL8022W
Function : Single-channel DC LED control touch chip
Package : DIP, SOP 8 Pin Type
Maker : Sigma Micro
Pinouts : 
Description :
SGL8022W is a single-channel touch chip for LED lightness regulation.
This chip can control the on-off state of LED light and regulate its lightness on a continuous range, which could be used on incandescent and halogen.
Features
1. Lightness could be regulated optionally on a wide range with a low operational difficulty.
2. High applicability. Touching function is still effective with the existance of medium (such as
glass, arcrylic, plastic, ceram, etc.) isolation.
Datasheet PDF Download : 
Others datasheet of same file : SGL8022-W