Single Port, Power-over-Ethernet, Type 2 Auto-Mode PSE Reference Design


Design files


TIDA-00465 is an application using TPS23861 as a single port, type 2, PoE auto-mode PSE in a small form factor. The design will inject power onto any Ethernet cable for PoE powered loads up to 30W.

  • TPS23861 IEEE 802.3at PSE Controller
  • Single Port 30W PoE Injector
  • Auto Detection and Classification of PD
  • Auto Turn on and Disconnect of PD
  • Requires only 48VDC, 40W AC-DC Adapter
Output voltage options TIDA-00465.1
Vin (Min) (V) 48
Vin (Max) (V) 56
Vout (Nom) (V) 48
Iout (Max) (A) 56
Output Power (W) 2688
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology POE
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU782A.PDF (2651 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Detailed overview of design layout for component placement


Files used for 3D models or 2D drawings of IC components

TIDC912.ZIP (210 K)

Design file that contains information on physical board layer of design PCB


PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

TPS7A400150-mA, 100-V, low-IQ, adjustable low-dropout voltage regulator with enable

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Power sourcing equipment

TPS238612-pair, type-2, 4-channel PoE PSE with autonomous mode

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report Single Port, Power-over-Ethernet, Type 2 Auto-Mode PSE Reference Design (Rev. A) Nov. 11, 2019

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