LTC4280 - Hot Swap Controller with I2C Compatible Monitoring

Features
  • Allows Safe Insertion into Live Backplane
  • 8-Bit ADC Monitors Current and Voltage
  • I2C/SMBus Interface
  • Wide Operating Voltage Range: 2.9V to 15V
  • Adjustable Overcurrent Filter Time
  • High Side Drive for External N-Channel MOSFET
  • No External Gate Capacitor Required
  • Input Overvoltage/Undervoltage Protection
  • Optional Latchoff or Auto-Retry After Faults
  • Alerts Host After Faults
  • Inrush Current Limit with Foldback
  • Available in 24-Pin 4mm x 5mm QFN Package
Typical Application

Applications
  • Live Board Insertion
  • Electronic Circuit Breakers
  • Computers, Servers
  • Platform Management
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC4280CUFD#PBF4x5 QFN-24C$5.78$3.95
LTC4280CUFD#TRPBF4x5 QFN-24C$4.01
LTC4280IUFD#PBF4x5 QFN-24I$6.94$4.74
LTC4280IUFD#TRPBF4x5 QFN-24I$4.80
Demo Boards
Part NumberDescriptionPrice
DC1704ALTC4280 Hot Swap Contr. w/ADC and I2C, 3 GPIOs (req DC590)$100.00
Companion Boards
Part NumberDescriptionPrice
DC2026CLinduino One Isolated USB Demo Board: An Arduino- and QuikEval-Compatible Code Development Platform$75.00
DC590BIsolated USB Serial Controller for Linear Technology QuikEval-Compatible Demo Boards$50.00
Datasheet
Reliability Data
Product Selector Card
Press Release
Linduino
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LTC4280 - Hot Swap Controller with I2C Compatible Monitoring
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LTC4280 Footprints and Symbols
LTC4280 - DC1704A.ino
LTC4280 Linduino Header File
LTC4280 Linduino.CPP