SI3454
SI3454 is QUAD IEEE 802.3AT POE PSE CONTROLLER manufactured by Silicon Labs.
QUAD IEEE 802.3AT POE PSE CONTROLLER
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 gate drive control
- Configurable watchdog timer enables failsafe operation
- Maskable interrupt pin
- prehensive fault protection circuitry includes:
- Power undervoltage lockout
- Output current limit and short- circuit protection
- Thermal overload detection
- Supports pin-selectable AUTO mode
- Extended...