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TPS2459 Datasheet Hot Swap and ORing Controller

Manufacturer: Texas Instruments

Overview: TPS2459 www.ti.com SLUS917E – FEBRUARY 2009 – REVISED MAY 2013 12-V/3.

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General Description

The TPS2459 hot-plug controller performs all necessary power interface functions for an AdvancedMC™ (Advanced Mezzanine Card).

A fully integrated 3.3-V channel provides inrush control, over-current protection, and FET ORing.

A 12-V channel provides the same functions using external FETs and sense resistors.

Key Features

  • 1.
  • 23 ATCA AdvancedMC™ Compliant.
  • Full Power Control for an AdvancedMC™ Module.
  • Independently Programmable 12-V Current Limit and Fast Trip.
  • 3.3-V and 12-V FET ORing Control for MicroTCA™.
  • 12-V Output Shuts Off If 3.3-V Output Shuts Off.
  • Internal 3.3-V Current Limit and ORing.
  • I2C™ Power Good and Fault Reporting.
  • I2C™ Programmable Fault Times and Limits.
  • FET Status Bits for 3.3-V and 12-V Channels.
  • Load Curr.

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