The 802.3bt portfolio includes three new PSE and PD products: The Si3471 PSE controller is the industry's first fully autonomous, 90 W single-port 802.3bt-compliant power-sourcing solution. The Si3471 makes it easy to add 90 W power to single-port midspans or "injectors." It automatically manages all nuances associated with the 802.3bt standard. The Si3471 does not require external host MCUs, firmware