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SI3454 Datasheet Quad Ieee 802.3at Poe Pse Controller

Manufacturer: Silicon Laboratories

Overview: Si3454 QUAD IEEE 802.3AT POE PSE CONTROLLER.

General Description

The Si3454 is a fully-programmable, four-port power management controller for IEEE 802.3 pliant 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 functionality.

In addition, the Si3454

Key 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 limits.
  • Multi-point detection.
  • Programmable power MOSFET gate drive control.
  • Configurable watchdog timer enables failsafe operation.
  • Maskable interrupt pin.
  • Comprehensive fault pr.

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