TPS23861 features: pin assignment for two-layer printed circuit board (PCB); Kelvin current detection; 4-point detection; optional I2C control and monitoring
Typical applications of TPS23861: Ethernet switches and routers; surveillance network video recorders (NVRs) and digital video recorders (DVRs); residential gateways; Power over Ethernet (PoE) pass-through systems; wireless backhaul
TPS23861 reference design application circuit:
Figure 1 TPS23861 internal structure diagram
The TPS23861 is a four-port PSE for power over ethernet applications. Each of the four ports provides fully automatic detection, classification, protection, and shut down in compliance with the IEEE 802.3at standard.
Figure 2 TPS23861 reference design
TheTPS23861 is an easy-to-use, flexible, IEEE802.3at PSE solution. As shipped, it automatically manages four 802.3at ports without the need for any external control.
TPS23861 Datasheet: Click to download
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