This part is a kind of semiconductor called TM1623xx.

Function of this product has LED Driver.

Manufacturers : Titan Micro

Image and pinout :

Some of the text within the PDF file :

www.DataSheet.co.kr SHENZHEN TITAN M ICRO ELECTRONI CS CO.,LTD. 1 2 TM1624 TM1623XX TM1628 TM1616 TM1618 TW1628 TM6924 TM1618A TM1668 TM1620 TM1620B TM1623 Add 4 401-503 401-503,4/F,Bldg. No.4,Keji Central Road 2, Software Park,High-Tech Industrial Park,Shenzhen 86-755-86185069 86-755-86185059 518057 www.titanmec.com 86-755-86185092 -1Datasheet pdf - http://www.net/ www.DataSheet.co.kr SHENZHEN TITAN M ICRO ELECTRONI CS CO.,LTD. Add 4 401-503 401-503,4/F,Bldg. No.4,Keji Central Road 2, Software Park,High-Tech Industrial Park,Shenzhen 86-755-86185069 86-755-86185059 518057 www.titanmec.com 86-755-86185092 -2Datasheet pdf - http://www.net/ www.DataSheet.co.kr SHENZHEN TITAN M ICRO ELECTRONI CS CO.,LTD. Add 4 401-503 401-503,4/F,Bldg. No.4,Keji Central Roa [ ... ]

TM1623xx PDF Datasheet Download