IC PLUS IP802AR is a 2-port PSE (Power Sourcing Equipment) controller IC for PoE (Power over Ethernet) systems. It integrates power, analog, and logic circuits into a single chip, and can be used for Midcap and Endpoint PSE applications.

IP802AR meets all IEEE 802.3AF-2003 requirements, such as multi-point resistor detection, PD classification, DC Disconnect, and Back-off for Midcap. It also meets all IEEE 802.3AT-2009 requirements, such as two-event classification and supplies maximum 36W per port.

IP802 comprises internal temperature monitoring and thermal protection to protect against junction overheating. The 3.3V regulator is built-in to support external devices. Multiple IP802ARs can integrate to build a 2 x N ports PSE system, and I2C bus uses to collect PD power status from each IP802AR to support global power management.

Management switch host has options to communicate with IP802ARs via I2C bus for PSE management activities. Opt couplers can be implemented to provide electrical isolations between the host and IP802ARs for signal communication.

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