IP808AR is an 8-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 Midspans and Endpoint PSE applications.

IP808AR meets all IEEE 802.3AF-2003 requirements, such as multi-point resistor detection, PD classification, DC Disconnect, and Back-off for Midspans. It also meets all IEEE 802.3AT-2009 requirements, such as two-event classification and supplies maximum 36W per port.

IP808AR comprises internal temperature monitoring and thermal protection to protect against junction overheating. The 3.3V regulator is built-in to support external devices. Multiple IP808ARs can integrate to build an 8 x N ports PSE system, and I2C bus uses to collect PD power status from each IP808AR to support global power management.

Management switch host has options to communicate IP808ARs via I2C bus for PSE management activities. Optocouplers can be implemented to provide electrical isolations between the host and IP808ARs for signal communication.