This part is a kind of semiconductor called BIT3267.

Function of this product has High Performance PWM Controller.

Manufacturers : Beyond Innovation Technology

Image and pinout :

Some of the text within the PDF file :

Beyond Innovation Technology Co., Ltd. High Performance PWM Controller Version: A3 Please read the notice stated in this preamble carefully before accessing any contents of the document attached. Admission of BiTEK’s statement therein is presumed once the document is released to the receiver. 2013/01/06 This is an ONE-TIME copy. Updates will not be provided Confidential page 1 of 8 Beyond Innovation Technology Co., Ltd. Notice: Firstly, the information furnished by Beyond Innovation Technology Co. Ltd. (BiTEK) in this document is believed to be accurate and reliable and subject to BiTEK’s amendment without prior notice. And the aforesaid information does not form any part or parts of any quotation or contract between BiTEK and the information receiver. Further, no responsibilit [ ... ]

BIT3267 PDF Datasheet Download