TPS2342 - Texas Instruments

TPS2342 DUAL SLOT PCI-X 2.0 HOT PLUG POWER CONTROLLER

The TPS2342 contains main supply power control, auxiliary supply power control, power FETs for 12-V, −12-V and auxiliary 3.3-V supplies, VIO control, and digital control of slots. Each TPS2342 contains supply control and switching for two slots. The TPS2342 supports both serial and direct communication to the slots. The main power control circuits start with.

Features

D Supports PCI, PCI−X 1.0 and PCI−X 2.0 D Internal Power Switches for
  –12 V, 12 V, 3.3 V Aux D Control for External Power Switches for 5 V, 3.3 V, and VIo D Overload Protection on All Supplies D Input Under-Voltage Protection for 3.3 V, 5 V, 12 V and VAUX Supplies D Soft Start to Minimize Inrush Current D Programmable Slew Rate for 3.3 V, 5 V, 12 V, VIO and VAUX Supplies D Multi-Slot or Single-Slot Serial Operating Mode D Direct Operating Mode D VIO Selection Based on Card Type D 80-Lead PowerPadt TQFP Package APPLICATIONS D Hot Plug Slots in Servers SIMPLIFIED APPLICATION DIAGRAM PCI-X 2.0 SL.