TPS2410RMSR

1 Features

 · Control external FET for N+1 and ORing

 · Wide supply voltage range of 3 V to 16.5V

 · Controls buses from 0.8 V to 16.5V

 · Linear or on/off control method

 · Internal charge pump for N-channel MOSFET

 · Rapid device turnoff protects bus integrity

 · Positive gate control on hot insertion

 · Soft turn on reduces bus transients

 · Input voltage monitoring

 · Shorted gate monitor

 · MOSFET control-state indicator

 · Industrial temperature range:-40℃ to 85℃

 · Industry-standard 14-Pin TSSOP package

2 Applications

 · Rack Server(Rackmount)

 · Rack Server(Blade)

 · Merchant network & server PSU

 · Battery Backup Unit

 · Telecom systems

3 Description 

The TPS241x controller, in conjunction with an external N-channel MOSFET, emulates the function of a low forward-voltage diode. The device can be used to combine multiple power supplies to a common bus in an N+1 configuration, or to combineredundant input power buses. The TPS2410 provides a linear turn-on control while the TPS2411 has an on/off control method.

Applications for the TPS2410x include a wide range of systems including servers and telecom. These applications often have either N+1 redundant power supplies, redundant power buses, or both. These redundant power sources must have the equivalent ofa diode OR to prevent reverse current during faults and hotplug.A TPS241x and N-channel MOSFET provide this function with less power loss than a schottky diode.

Accurate voltage sensing, programmable fast turn-off threshold, and input filtering allow operations to betailored for a wide range of implementations and bus characteristics.

A number of monitoring features are provided to indicate voltage bus UV/OV, ON/OFF state, and a shorted MOSFET gate.

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