This part is a kind of semiconductor called ADM1276.

Function of this product has Hot Swap Controller and Digital Power and Energy Monitoring.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Data Sheet Hot Swap Controller and Digital Power and Energy Monitoring with PMBus Interface ADM1276 FEATURES Controls supply voltages from 2 V to 20 V 370 ns response time to short circuit Resistor-programmable 5 mV to 25 mV current limit ±1% accurate, 12-bit ADC for current, VIN/VOUT readback Charge pumped gate drive for multiple external N-channel FETs High gate drive voltage to ensure lowest RDSON Foldback for tighter FET SOA protection Automatic retry or latch-off on current fault Programmable current-limit timer for SOA Programmable, multifunction GPO Power-good status output Analog UV and OV protection ENABLE pin Reports power and energy consumption over time Peak detect registers for current and voltage PMBus fast mode compliant interface 20-lead LFCSP APPLICATIONS Power monitori [ ... ]

ADM1276 PDF Datasheet Download