This part is a kind of semiconductor called LC709501F.

Function of this product has Power Bank Controller.

Manufacturers : ON Semiconductor

Image and pinout :

Some of the text within the PDF file :

LC709501F Power Bank Controller with USB Type-C & Quick Charge™ 3.0 for 1-Cell Li-Ion and Li-Poly Battery Overview LC709501F is a Lithium ion switching charger controller for Power Bank. This device has all functions to control Power Bank application. It can control Type-C port control IC and includes Quick Charge 3.0 HVDCP. The built-in switching controller can output from 5 V up to 12 V for Quick Charge. The high power output for USB Type-C and Quick Charge is possible with appropriate external MOSFETs. www.onsemi.com Features  Easy power scaling with external MOSFETs.  Buck charge / Boost charge  Supports Quick Charge 3.0 HVDCP Class A. 5 V up to 12 V  Supports USB type-C DRP with Port control IC.  Prepared firmware supports various combination of USB port.  Suppo [ ... ]

LC709501F PDF Datasheet Download