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12V Distribution in μTCA Redundant Power Subsystem 24V Overvoltage Regulator Withstands 150V at VIN 28V Vehicle Application with Reverse Voltage Protection 4A, 12V Overvoltage Output Regulator 5V System Protected from ± 24V Power Supplies 5V System Protected from ±24V Power Supplies and Overcurrent 5V System Protected From 80V Overvoltage Complete 12V Automotive Undervoltage, Overvoltage and Reverse-Supply Protection Circuit Dual Battery Load Sharing with Automatic Switchover of Power from Batteries to Wall Adapter Dual Battery Load Sharing with Automatic Switchover to a Wall Adapter Dual Battery Load Sharing with Automatic Switchover to a Wall Adapter Half Bridge Motor Driver Overvoltage Regulator with 250V Surge Protection Overvoltage Regulator with Low Battery Detection and Output Keep Alive During Shutdown Peak Power Tracking Buck Solar Charger Maximizes Efficiency Power Backup Using Supercapacitors and Optional Keep-Alive Cell Protected 1A Automotive Solenoid Driver with Overvoltage Shutdown Protection from Overvoltage and Overcurrent Protection of USB Port from Overvoltage and Overcurrent SCR Crowbar Solar Panel Charging 12V Battery Through Ideal Diode to Prevent Back Feeding Supercap-Based Power Ride-Through Circuit Maximizes Run Time Using an Energy Scavenging Scheme Supercapacitor Energy Storage System for Data Backup Two Load-Sharing, Redundant, 48V/10A Power Supplies Using an Ideal Diode μTCA Application Supplying 12V Power to Two μTCA Slots
12V Distribution in μTCA Redundant Power Subsystem
The LTC4225 offers ideal diode and Hot Swap functions for two power rails by controlling external series connected N-channel MOSFETs. MOSFETs acting as ideal diodes replace two high power Schottky diodes and the associated heat sinks, saving power and board area. Hot Swap control MOSFETs allow boards to be safely inserted and removed from a live backplane by limiting inrush current. The supply output is also protected against short-circuit faults with a fast acting current limit and internal timed circuit breaker.