This part is a kind of semiconductor called ACS722KMA.

Function of this product has Hall-effect Based Current Sensor IC.

Manufacturers : Allegro

Image and pinout :

Some of the text within the PDF file :

ACS722KMA High Accuracy, Hall-effect Based Current Sensor IC in High Isolation SOIC16 Package FEATURES AND BENEFITS • Patented integrated digital temperature compensation circuitry allows for near closed loop accuracy over temperature in an open loop sensor • UL60950-1 (ed. 2) certified □□Dielectric Strength Voltage = 4.8 kVrms □□Basic Isolation Working Voltage = 1097 Vrms □□Reinforced Isolation Working Voltage = 565 Vrms • Industry-leading noise performance with greatly improved bandwidth through proprietary amplifier and filter design techniques • Pin-selectable band width: 80 kHz for high bandwidth applications or 20 kHz for low noise performance • 0.85 mΩ primary conductor resistance for low power loss and high inrush current withstand capability • Low [ ... ]

ACS722KMA PDF Datasheet Download