SI3454 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.
SI3454 Key Features
- Quad-Port Power Sourcing Equipment (PSE) controller
- IEEE 802.3at Type I and II pliant
- 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
- Maskable interrupt pin
- prehensive fault protection circuitry includes
- Power undervoltage lockout -Output current limit and short