Features

• A PSE System operating in the Controller mode with PD77728 has the following system and port level

features:

– Detection

– Classification

– Inrush

– Port Power Up

– Real-Time Protection (RTP)

• A PSE System operating in the Controller mode with PD77020 has the following system and port level

features:

– Support for up to 16 Power Banks

– Power Management

• Configure active ports (disabling unused ports)

• Power up ports (based on detection/classification results)

• Ports power down (based on power budget)

• Autoclass

• Power budgeting

• Power Good pins to OSS translation

• OSS—Port priority

• Power measurement

– Communication with Host (15-byte protocol)

• System, Device, and Port Status

• Temperature alarm

• Reading chips temperature

– LLDP

• Host

– High level configuration (total power budget)

– Ports priority definitions

– Reading PoE information from PD77020

Applications

A PSE based on the PD77728 and the PD77020 devices has the following key applications:

• Switches and routers for enterprise, small and medium business, SOHO, and commercial markets.

• Switches and router for enterprise market.

• Switches for medium and small business, SOHO commercial markets.

• PoE injectors