This part is a kind of semiconductor called SY6288.

Function of this product has Low Loss Power Distribution Switch.

Manufacturers : Silergy

Image and pinout :

Some of the text within the PDF file :

AN_SY6288 Low Loss Power Distribution Switch Preliminary Specification General Description Features SY6288 is an ultra-low RDS(ON) switch with current limiting function to protect the power source from over current and short circuit conditions. Ordering Information SY6288□(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number SY6288AAAC SY6288ACAC SY6288AFAC SY6288BAAC SY6288BCAC SY6288BFAC SY6288CAAC SY6288CCAC SY6288CFAC SY6288DAAC SY6288DCAC SY6288DFAC SY6288D1AAC SY6288D1CAC SY6288D1FAC SY6288EAAC SY6288ECAC SY6288EFAC Package type SOT23-5 MSOP8 SO8 SOT23-5 MSOP8 SO8 SOT23-5 MSOP8 SO8 SOT23-5 MSOP8 SO8 SOT23-5 MSOP8 SO8 SOT23-5 MSOP8 SO8 Note 0.6A/Active High 0.6A/Active High 0.6A/Active High 0.6A/Active Low 0.6A/Active [ ... ]

SY6288 PDF Datasheet Download