FEATURES
n Allows Safe Board Insertion Into Live Backplane n 12-/16-Bit ADC with ±0.9% Total Unadjusted Error n Monitors Current, Voltage, Power and Energy n Internal EEPROM for Nonvolatile Configuration n Wide Operating Voltage Range: 2.9V to 33V n I2C/SMBus Digital Interface (Coexists with PMBus Devices) n 12V Gate Drive for Lower MOSFET RDS(ON) n Programmable Current Limit with 2% Accuracy n MOSFET Power Limiting with Current Foldback n Continuously Monitors MOSFET Health n Stores Minimum and Maximum Measurements n Alerts When Alarm Thresholds Exceeded n Reboots on I2C Command n Input Overvoltage and Undervoltage Protection n Three General Purpose Input/Outputs n Internal ±5% or External Timebases n 28-Pin 4mm × 5mm QFN Package n AEC-Q100 Qualified for Automotive APPLICATIONS
APPLICATIONS
n Enterprise Servers and Data Storage Systems n Network Routers and Switches n Base Stations n Platform Management LTC4281 Hot Swap Controller with I2C Compatible Monitoring DESCRIPTION
The LTC®4281 hot swap controller allows a board to be safely inserted and removed from a live backplane.