This part is a kind of semiconductor called BTS650P.
Function of this product has Smart Highside High Current Power Switch (Overload protection Current limitation Short circuit protection Overtemperature protection).
Manufacturers : Siemens Semiconductor Group
Image and pinout :

Some of the text within the PDF file :
PROFET® BTS650P Smart Highside High Current Power Switch Features • Overload protection • Current limitation • Short circuit protection • Overtemperature protection • Overvoltage protection (including load dump) • Clamp of negative voltage at output • Fast deenergizing of inductive loads 1) • Low ohmic inverse current operation • Reverse battery protection • Diagnostic feedback with load current sense • Open load detection via current sense • Loss of Vbb protection2) • Electrostatic discharge (ESD) protection Product Summary Overvoltage protection Output clamp Operating voltage On-state resistance Load current (ISO) Short circuit current limitation Current sense ratio Vbb(AZ) 62 V VON(CL) 42 V Vbb(on) 5.0 ... 34 V RON 6.0 mΩ IL(ISO) 70 A IL(SC) 130 A IL : II [ ... ]
BTS650P PDF Datasheet Download
