LTC4281
Hot Swap Controller with I2C
Compatible Monitoring
Features Description Allows Safe Board Insertion Into Live Backplane
nn 12-/16-Bit ADC with В±0.7% Total Unadjusted Error
nn Monitors Current, Voltage, Power and Energy
nn Internal EEPROM for Nonvolatile Configuration
nn Wide Operating Voltage Range: 2.9V to 33V
nn I2C/SMBus Digital Interface (Coexists with PMBus
Devices)
nn 12V Gate Drive for Lower MOSFET R
DS(ON)
nn Programmable Current Limit with 2% Accuracy
nn MOSFET Power Limiting with Current Foldback
nn Continuously Monitors MOSFET Health
nn Stores Minimum and Maximum Measurements
nn Alerts When Alarm Thresholds Exceeded
nn Reboots on I2C Command
nn Input Overvoltage/Undervoltage Protection
nn Three General Purpose Input/Outputs
nn Internal В±5% or External Timebases
nn 28-Pin 4mm Г— 5mm QFN Package The LTCВ®4281 Hot Swap controller allows a board to be
safely inserted and removed from a live backplane. Using …