IEEE 802.3bt ready PSE daughter card for 24-port PSE system
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

Description & Features

Technical documentation

Support & Training

Order Now

Important Note

The TPS23881EVM-083 (TPS23881 48-channel daughter card) is one of three boards used for evaluation of TI's PSE System Firmware. For all three boards, please order the FIRMPSEEVM-BDL bundle.

TPS23881 product advisory and SRAM firmware update is available.  Request now

Our FirmPSE System Firmware GUI, User's Guide, and Host Interface Protocol for port power management applications is available. Request now

View all related products

Key Document


The TPS23881EVM-083 daughter card features an 8 channel, IEEE 802.3bt ready PSE controller. When paired with motherboard PSEMTHR24EVM-081  and MCU daughter card PSEMCUDAUEVM-082 (sold separately), users can evaluate a full multiple-port PSE system.

The full PoE Evaluation ecosystem includes the following (optional companion tools also listed):

  • TI’s PoE 2 Conformance Test Report for interoperability confidence with this design.
  • 24 Port PoE PSE Evaluation System
    • PSEMTHR24EVM-081: Mother board for 24 Port PoE PSE applications (sold separately)
    • PSEMCUDAUEVM-082: MSP430 daughter card for 24 Port PoE PSE applications (sold separately)
    • TPS23881EVM-083: TPS23881 daughter card for 24 port Type 3/Type 4 PSE PoE PSE applications (sold seperately)
    • MSP-FET : Used with PSE system firmware GUI to flash code into MSP430 device(sold seperately)
    • USB2ANY Interface Adapater : Used with PSE system software GUI for I2C/UART Interaction with PSEMCUDAU-082 daughter card (sold seperately)
  • TPS2373 Evaluation Module for IEEE 802.3bt PoE PD Applications
  • TPS2372-4EVM Evaluation Module for IEEE 802.3bt PoE PD Applications
  • TPS2372-3 IEEE 802.3bt Type 3 PoE PD Evaluation Module for Lighting
  • PSE system software code image

  • 24 port PoE PSE system and expandable to 48 ports
  • Highly flexible system with configurable GUI and host interface
  • Multiport power management
  • IEEE 802.3bt compliance
  • Mutiple power supplies
  • Supporting Legacy PD

Order Now
Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

IEEE 802.3bt ready PSE daughter card for 24-port PSE system


Pricing may vary.


TPS23881EVM-083 + PSEMCUDAUEVM-082 + PSEMTHR24EVM-081 bundle

Not Available ACTIVE
Contact a Distributor  

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation
User guides (1)
Title Type Size (KB) Date
PDF 3038 15 Oct 2019
Design files (1)
Title Type Size (KB) Date
ZIP 3061 11 Jun 2019
More literature (1)
Title Type Size (KB) Date
PDF 36 22 Apr 2019

Software development (1)

Name Part Number Software Type
MSP MCU Programmer and Debugger  MSP-FET  Programming tools 

Hardware development (3)

Name Part Number Tool Type
MCU daughter card for 24-port IEEE 802.3bt ready PSE system  PSEMCUDAUEVM-082  Daughter cards 
Mother board for 24-port IEEE 802.3bt ready PSE system  PSEMTHR24EVM-081  Evaluation boards 
USB2ANY interface adaptor  USB2ANY  Evaluation boards 

TI Devices (3)

Part Number Name Product Family
ISO1541  2.5-kVrms, isolated unidirectional clock, bidirectional I2C isolator  Isolated interfaces 
ISO7731  Robust EMC, triple-channel, 2/1, reinforced digital isolator  Isolation 
TPS23881  4-pair, type-4, 8-channel Power-over-Ethernet (PoE) PSE with 200mΩ RSENSE  Power over Ethernet (PoE) ICs 

Support & training

Search our extensive online knowledge base where millions of technical questions and answers are available 24/7.

Search answers from TI experts

Content is provided 'AS IS' by the respective TI and Community contributors and does not constitute TI specifications.
See terms of use.

If you have questions about quality, packaging, or ordering TI products visit our Support page.

Technical articles