The MAX5980A is a power-sourcing equipment (PSE) power controller developed by Maxim Integrated to address the need of highly efficient powering device that will energise Ethernet cables at long ...

Linear Technology Corporation introduces the LTC4265, an 802.3af/802.3at compliant Power over Ethernet (PoE) interface controller for high-power Powered Device (PD) applications needing up to 25.5W.

Design engineers have a considerable amount of flexibility in selecting power levels within the specifications of both the IEEE 802.3af and 802.3at versions of the PoE standard. IEEE 802.3af specifies ...

POE+ was born from the need of a new breed of power-hungry devices, including WAPs, video, and security cameras When power over Ethernet (POE) IEEE 802.3af was ratified in 2003, its nominal power ...