This part is a kind of semiconductor called AM1628.

Function of this product has ED drive control dedicated circuit.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

Edited by Foxit PDF Editor Copyright (c) by Foxit Software Company, 2004 For Evaluation Only. LED Çý¶¿¯ØÖÆ×Өõç· Ò»¡¢ Ð Ó É¯ ³¼ ¿ ² Ú Ó Ã¦ ª÷ ÒÖ £¿ ¡ É Á Ê Ö ¬ £ ¼ Á £ ¡ ½Î ÊÐ °â ×· Ä µ AM1628 LED£ Ú Ä ¬ £ ·ç µ è Ó× ÆØ Ö¿ ¯ý ¶Ç © £ ÷¾ ÆÊ ÔÜ Ï¹ «þ ¼¶ ⢠· ¨ LED ÅÜÓÄÔ·ÐÆú¾²± £¡·çµÈèèÌÉÅü¼ ¢¯¡¶ý¹ÇÑ߸ VCR¡¢ VCD¡¢ DVD ÃÉÓ² £¡¯¶ýÁÇƾÔÊÏÄ·µúȲº°Ó¥Òͼ ¸ÅÊö AM1628 ÊÇÖÒ»¼´üøÉŨ̽ÃÓ赿ÄÚ MCU ¢¡æ÷´ÆÝø¾ËýÊ Ú¢¿¡ÖÓ×½ýÊ SOP28 ¶þ¡¢ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ²ÉÓù¦ ÂÊ ¶ à Ö Ï Ô ÄÊ £¾ ½ ¨ ¼üɨÃè£ » Ô ¶ È µ ÷ ½ çÚ £Â ¨· Õ ¼ ¿ ± [ ... ]

AM1628 PDF Datasheet Download