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

FirmPSE System Firmware GUI, EVM User's Guide and Host Interface protocol User's Guide are available. Request now

TPS23881 Product advisory, latest firmware download are available. Request now

TPS23882 Product advisory, latest firmware download are available. Request now

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When paired with the TPS23881EVM-083 48-channel 4-Pair (90W) PSE daughter card or TPS23882EVM-084 24-channel 2-Pair (30W) PSE daughter card and PSEMTHR24EVM-081 mother board (sold separately), users can evaluate a multiple-port PSE system.  The MCU daughter card specifically enables the use of TI’s FirmPSE, production ready, system firmware which can deliver system features such as port power management and the use of multiple power supplies.

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

  • 24 Port PoE PSE Evaluation System
    • PSEMTHR24EVM-081: Mother board 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)
    • TPS23882EVM-084: 24-channel daughter card for 2-Pair (30W) 24 port Type3 PoE PSE applications (sold separately)
    • PSEMCUDAUEVM-082: MSP430 daughter card for 24 Port PoE PSE applications (sold separately)
    • 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

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


Pricing may vary.


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

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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 2217 11 Jun 2019
More literature (1)
Title Type Size (KB) Date
PDF 36 23 Apr 2019

Hardware development (3)

Name Part Number Tool Type
IEEE 802.3bt ready PSE daughter card for 24-port PSE system  TPS23881EVM-083  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
MSP430F5234  25 MHz MCU with 128KB Flash, 8KB SRAM, Comparator, DMA, UART/SPI/I2C, Timer, HW Multiplier  Microcontrollers (MCU) 
TPS23881  4-pair, type-4, 8-channel Power-over-Ethernet (PoE) PSE with 200mΩ RSENSE  Power over Ethernet (PoE) ICs 
TPS23882  Type-3 2-pair 8-channel PoE PSE controller with SRAM and 200 mΩ Rsense  Power over Ethernet (PoE) ICs 

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