Universal Serial Bus Power Controller

The UCC3831 Power Controller is designed to provide a self powered USB hub with a local 3.3V regulated voltage and four 5V regulated volt- ages for USB ports. Each of the 5V output ports is individually enabled for optimal port control. Each port also provides an overcurrent fault sig- nal indicating that the port has exceeded a 500mA current limit. The 3.3V linear Regulator is used to power the local USB Microcontroller This Regulator is protected with a 100mA current limit and has a Logic level enable input. The UCC3831 CAN be configured to provide USB port power from a loosely regulated voltage such as a Filament voltage internal to a moni- tor. Pre-regulation is provided by an internal linear Regulator controller and one external Logic level N-Channel MOSFET The UCC3831 CAN also be configured without using the pre-regulator stage by connecting the VREG pins to a regulated 5.5V 2A source. The UCC3831 comes in a 28-pin wide SOIC power package optimized for power dissipation, and is protected by internal over-temperature shutdown mechanism, which disables the outputs should the internal junction temperature exceed 150C. By Texas Instruments
UCC3831 's PackagesUCC3831 's pdf datasheet



UCC3831 Pinout, Pinouts
UCC3831 pinout,Pin out
This is one package pinout of UCC3831,If you need more pinouts please download UCC3831's pdf datasheet.

UCC3831 Application circuits
UCC3831 circuits
This is one application circuit of UCC3831,If you need more circuits,please download UCC3831's pdf datasheet.


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