TPS23861 Reference Design Circuit | PSE Controller Application Circuit

The TPS23861 four-port Power over Ethernet PSE controller is an easy-to-use, flexible IEEE802.3atPSE solution. This article mainly introduces the TPS23861 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

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

More schematics and source code popular application circuit: click now

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