A schematic of the dc-dc converter for the 30-W PD is shown in Fig. 4. For power conversion in the PoE power range, the two prime candidates are the flyback- and forward-converter topologies.

Christopher Gobok answers a reader question about PSE and PD IC's. Can they handle higher loads than the current IEEE 802.3 at PoE Spec?

The KTA1142 fully supports IEEE® 802.3af, IEEE® 802.3at and IEEE® 802.3bt standards and implements all physical layer PD functionalities including 5-event classification, Autoclass to ...

ON Semiconductor's portfolio of integrated PoE-PD products contains four devices. The NCP1081 and NCP1083 provide power levels up to 25.5 watts (W) for applications in line with the draft IEEE 802.3at ...

NETGEAR announced immediate availability of the new ProSAFE 16-port Gigabit PoE Smart Switch ( GS516TP) with PD (PoE Powered Devices) capability for small and medium businesses (SMBs), educational ...