SI3454 Datasheet - Silicon Laboratories

SI3454 QUAD IEEE 802.3AT POE PSE CONTROLLER

The Si3454 is a fully-programmable, four-port power management controller for IEEE 802.3 compliant Power Sourcing Equipment (PSE). Designed for use in PSE endpoint (switches), the Si3454 integrates four independent ports, each with IEEE-required powered device (PD) detection and classification func.

SI3454 Features

* Quad-Port Power Sourcing Equipment (PSE) controller

* IEEE 802.3at Type I and II compliant

* Port priority shutdown control

* Adds enhanced features for maximum design flexibility:

* Per-port current and voltage monitoring

* PoE Plus support with programmable current limit

SI3454-SiliconLaboratories.pdf