This part is a kind of semiconductor called THX202H.

Function of this product has Switching Power Controller IC.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

THX202H 【Switching Power Controller IC】 Contents Introduction, characteristics and application field ···································································· 3 Reference frame of interior circuit···························································································· 4 Description of pins’ function ···································································································· 4 Ultimate parameters ······································· [ ... ]

THX202H PDF Datasheet Download