The PD77718T4 device is a part of Microchip’s seventh-generation IEEE® 802.3bt compliant Power over Ethernet (PoE) Power Sourcing Equipment (PSE) family. This device is a fully integrated 8-port PoE manager with integrated Field Effect Transistor (FET) switches and current sense resistors. Up to 12 devices can be cascaded to provide 48 4-pair ports when used with the PD77010 PoE Controller. Typical applications include: * Campus switches * Switches and routers for enterprise, small and medium businesses, SOHO, and commercial markets * Switches for the lighting market * PoE injectors