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Texas Instruments TPS23861EVM-612 Evaluation Module

Main Features of Kit or Board
Base componentTexas Instruments
Board peripherals
  • I/O pins
  • I2C interface
  • Ethernet
  • user LEDs
  • Power Management

ManufacturerTexas Instruments
Part NumberTPS23861EVM-612

TPS23861EVM-612 features the TPS23861 PSE controller supporting type 2 and high-power, four-pair PD loads.


Detailed Description

The TPS23861EVM-612 features the quad port, TPS23861, IEEE 802.3at PoE PSE controller. The EVM consists of a motherboard (TPS23861EVM-612) and daughter board (TPS23861EVM-613) containing two TPS23861 devices.The TPS23861EVM-612 provides a multi-port base platform interface for TPS23861EVM-613, MSP-EXP430G2 (LaunchPad), and USB-TO-GPIO(USB Interface Adapter).

TPS23861EVM-612 Evaluation Module

TPS23861 Features:

  • TPS23861 PSE devices default to auto-mode operation so no operatorinterface over I2C isrequired.
  • Four IEEE802.3at, Type 2 (30 W) ports with  1000BASE-T  (gigabit Ethernet data pass through)
  • Two non-standard, high power ports with 1000BASE-T (gigabit Ethernet  data pass through)
  • Fully certified using UNH-IOL Clause #33 PSE Conformance Test Suite
  • Single DC power  supply  input 
  • On board 3.3-V regulator
  • On board I2C interface to both TPS23861PW devices from either USB-TO-GPIO or MSP-EXP430G2.
  • Port ON  status LEDs
  • User test points
  • Application:
    • Ethernet switches and routers
    • Surveillance VDRs
    • High power PoE
    • PoE pass-through systems


  • Motherboard/daughterboard configuration supporting 4x type 2 (30W) ports and 2×4 pair ports (60W).
  • TPS23861EVM-612 accepts MSP-EXP430G2 (MSP430 LaunchPad) EVM for power managing the TPS23861s. Basic power manager firmware is available for the MSP430 upon request.
  • TPS23861EVM-612 interface to USB-TO-GPIO and PC using PI-Commander GUI.
  • Default mode is Auto mode (meaning no host control is required)
  • Multiple PD loads available.

Kit consists:

  • Motherboard (TPS23861EVM-612)
  • Daughter board (TPS23861EVM-613

TPS23861EVM-612 User Guide and Schematic

Other Names:

TPS23861EVM612, TPS23861EVM 612

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