LTC4222 - Dual Hot Swap Controller with I2C Compatible Monitoring

Features
  • Allows Safe Insertion Into a Live Backplane
  • 10-Bit ADC Monitors Currents and Voltages
  • I2C/SMBus Interface
  • Wide Operating Voltage Range: 2.9V to 29V
  • dI/dt Controlled Soft-Start
  • High Side Drive for External N-Channel MOSFETs
  • No External Gate Capacitors Required
  • Input Overvoltage/Undervoltage Protection
  • Optional Latchoff or Auto-Retry After Faults
  • Alert Host After Faults
  • Inrush Current Limit with Foldback
  • Available in 32-Pin (5mm × 5mm) QFN and 36-Pin SSOP Packages
Typical Application

Applications
  • Live Board Insertion
  • Electronic Circuit Breakers
  • Computers, Servers
  • Platform Management
Packaging

Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC4222CG#PBFSSOP-36C$8.36$5.85
LTC4222CG#TRPBFSSOP-36C$5.91
LTC4222CUH#PBF5x5 QFN-32C$8.36$5.85
LTC4222CUH#TRPBF5x5 QFN-32C$5.91
LTC4222IG#PBFSSOP-36I$10.03$7.02
LTC4222IG#TRPBFSSOP-36I$7.08
LTC4222IUH#PBF5x5 QFN-32I$10.03$7.02
LTC4222IUH#TRPBF5x5 QFN-32I$7.08
Demo Boards
Part NumberDescriptionPrice
DC1134ALTC4222 Demoboard: Dual Hot Swap Controller with I2C and ADC (Requires DC590)$75.00
Companion Boards
Part NumberDescriptionPrice
DC590BIsolated USB Serial Controller for Linear Technology QuikEval-Compatible Demo Boards$50.00
Datasheet
Reliability Data
Product Selector Card
LT Journal
Press Release
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