FET Hot Swap
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TPS2421-1, TPS2421-2
SLUS907K – J...
Description
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TPS2421-1, TPS2421-2
SLUS907K – JANUARY 2009 – REVISED JUNE 2019
TPS2421-x 5-A, 20-V Integrated FET Hot Swap
1 Features
1 Integrated Pass MOSFET Up to 20-V Bus Operation Programmable Fault Current Current Limit Proportionally Larger than Fault
Current Programmable Fault Timer Internal MOSFET Power Limiting Latch-Off on Fault (TPS2421-1) and Retry
(TPS2421-2) Versions SO-8 PowerPad™ Package –40°C to +125°C Junction Temperature Range UL2367 Recognized - File Number E169910
2 Applications
RAID Arrays Telecommunications Plug-In Circuit Boards Disk Drives SSDs PCIE Fan Control
3 Description
The TPS2421 device provides highly integrated hot swap power management and superior protection in applications where the load is powered by busses up to 20 V. The TPS2421 device is well suited to standard bus voltages as low as 3.3 V because of the maximum-UV turnon threshold of 2.9 V. These devices are very effective in systems where a voltage bus must be protected to prevent shorts from interrupting or damaging the unit. The TPS2421 device is an easy to use devices in an 8-pin PowerPad™ SO-8 package.
The TPS2421 device has multiple programmable protection features. Load protection is accomplished by a non-current limiting fault threshold, a hard current limit, and a fault timer. The current dual thresholds allow the system to draw short high current pulses, while the faul...
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