LTC4260

Features n Allows Safe Board Insertion into Live Backplane n 8-Bit ADC Monitors Current and Voltage n I2C™/SMBus Interface n Wide Operating Voltage Range: 8.5V to 80V n High Side Drive for External N-Channel MOSFET n Input Overvoltage/Undervoltage Protection n Optional Latchoff or Autoretry After Faults n Alerts Host After Faults n Foldback Current Limiting n Available in 24-Lead SO, 24-Lead Narrow SSOP and 32-Lead (5mm × 5mm) QFN Packages Applications n Electronic Circuit Breakers n Live Board Insertion n Computers, Servers LTC4260 Positive High Voltage Hot Swap Controller with I2C Compatible Monitoring Description The LTC®4260 Hot Swap™ controller allows a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transistor, the board supply voltage can be ramped up at an adjustable rate. An I2C interface and onboard ADC allow monitoring of board current, voltage and fault status. The device features adjustable analog foldba...