KEY FEATURES

• Octal-Port Power Sourcing Equipment

(PSE) controller

• IEEE 802.3af, 802.3at, and 802.3bt

compliant

• Autonomous or I2C host interface

• Emergency Shutdown support with port

priority control

• Adds enhanced features for maximum

design flexibility:

• Per-port current and voltage monitoring

• Multi-point detection

• Programmable power MOSFET gate

drive control

• Configurable watchdog timer enables

failsafe operation

• Maskable interrupt pin

• Comprehensive fault protection circuitry

includes:

• Power undervoltage lockout

• Output current limit and short-circuit

protection

• Thermal overload detection

• Extended operating temp range: –40 to

+85 °C

• 56-pin, 8 x 8 mm QFN package (RoHScompliant)