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