NCP1083QBCGEVB

The NCP1083QBCGEVB is an evaluation board evaluating the NCP1083 high power HIPO Power over Ethernet powered device (PoE PD). The NCP1083 represents a robust, flexible and highly integrated solution targeting demanding medium and high power Ethernet applications. It combines in a single unit an enhanced PoE-PD interface supporting the IEEE 802.3af and the upcoming draft IEEE 802.3at (D3.0) standard and a flexible and configurable DC to DC converter controller. The NCP1083's exceptional capabilities enable applications to smoothly transition from non-PoE to PoE enabled networks by also supporting power from auxiliary sources such as AC power adapters and battery supplies, eliminating the need for a second switching power supply. The NCP1083QBCGEVB implements a PoE module that converts the power from the Ethernet cable to a lower voltage and also supports getting its power from and auxiliary input, in case PoE network is not available.

• Auxiliary supply support with an I/P down to 9V in combination with an extended power up to 40W
• Improved robustness behaviour against cable ESD
• A programmable operational current limit up to 1100mA for extended power ranges up to 40W
• Eliminates the need for a second DC to DC converter to support traditional non PoE power sources
• Supports the IEEE802.3at and proprietary high power solutions beyond the standard up to 40W
• Protects the device against cable transients and hot swap events that can occur in harsh environment

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The I/P voltage for the board should never exceed 57V nor should the evaluation board be loaded with loads higher than the 30W. Exceeding the specified I/P and O/P values could damage the board.