This part is a kind of semiconductor called BTS660P.

Function of this product has Smart Highside High Current Power Switch.

Manufacturers : Infineon Technologies AG

Image and pinout :

Some of the text within the PDF file :

PROFET® Data Sheet BTS660P Smart Highside High Current Power Switch Reversave • Reverse battery protection by self turn on of power MOSFET • Overload protection • Current limitation • Short circuit protection • Over temperature protection • Over voltage protection (including load dump) • Clamp of negative voltage at output • Fast deenergizing of inductive loads 1) • Low ohmic inverse current operation • Diagnostic feedback with load current sense • Open load detection via current sense • Loss of Vbb protection2) • Electrostatic discharge (ESD) protection Features Product Summary Overvoltage protection Output clamp Operating voltage On-state resistance Load current (ISO) Short circuit current limitation Current sense ratio Vbb(AZ) 70 V VON(CL) 62 V Vbb(on) [ ... ]

BTS660P PDF Datasheet Download