TPS2421-1DDA - 

Hot Swap Controller, 3V to 20V supply, SOIC-8


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Ürün Bilgileri

Disk Drives, Plug In Circuit Boards, RAID Arrays, Telecommunications
MSL 1 - Unlimited
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Ürün Genel Bakış

The TPS2421-1DDA is an integrated FET Hot Swap Controller provides highly integrated hot swap power management and superior protection in applications where the load is powered by busses up to 20V. The TPS2421 device is well suited to standard bus voltages as low as 3.3V because of the maximum-UV turn-on threshold of 2.9V. It is very effective in systems where a voltage bus must be protected to prevent shorts from interrupting or damaging the unit. It 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 fault timer is running, without causing a voltage droop at the load. An example of this is a disk drive startup. This technique is ideal for loads that experience brief high demand, but benefit from protection levels in-line with their average current draw.
  • Integrated pass MOSFET
  • Programmable fault current
  • Current limit proportionally larger than fault current
  • Programmable fault timer
  • Internal MOSFET power limiting
  • Latch-off on fault and retry
  • Green product and no Sb/Br


Power Management, Communications & Networking, Consumer Electronics, Portable Devices, Computers & Computer Peripherals


Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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