DUAL-SLOT PCI HOT-PLUG POWER CONTROLLER WITH I2C INTERFACE

The TPS2341 contains main supply power control, auxiliary supply power control, power FETs for 12-V, 12-V and auxiliary 3.3-V supplies, and a serial Interface for Communications with and control of slots. Each TPS2341 contains supply control and switching for two slots. The main power control circuits start with all supplies off and hold all supplies off until power to the TPS2341 is valid on all positive supplies. When power is requested, the control circuit applies constant current to the Gates of the power FETs allowing each FET to ramp the load voltage linearly. Each main supply CAN be programmed for a desired ramp rate by selecting a Gate capacitor for the power FET for that supply. The power control circuits also monitor load current and latch off that slot if the load current exceeds a programmed maximum value. In addition, once the 12-V, the 5-V, and the 3.3-V FET are fully enhanced, the load voltage is monitored. If the load voltage drops out of specification limit after these FETs are fully enhanced, the slot Latches off. This feature provides another level of protection from load fault. The auxiliary power control circuit provides power to the 3VAUXx pins through the 3.3-V main supply when it is above 3.0 V, and through the 3.3-V standby input supply when the 3.3-V main supply drops below 3.0 V. The TPS2341 contains power FETs for 12 V at 500 mA, 12 V at 100 mA, and auxiliary 3.3 V at 375 mA for each slot. These power FETs are short-circuit protected, slew rate controlled, and over-temperature protected. By Texas Instruments
TPS2341 's PackagesTPS2341 's pdf datasheet
TPS2341PHP HTQFP
TPS2341PHPR HTQFP




TPS2341 Pinout, Pinouts
TPS2341 pinout,Pin out
This is one package pinout of TPS2341,If you need more pinouts please download TPS2341's pdf datasheet.

TPS2341 Application circuits
TPS2341 circuits
This is one application circuit of TPS2341,If you need more circuits,please download TPS2341's pdf datasheet.


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