Texas Instruments TPS23758EVM-080, User Manual, Page: 5 / 27

5 General Configuration and Description
5.1 Physical Access
Table 5-1 lists the EVM connector functionality. Table 5-2 describes the test point availability and jumper
functionality.
Table 5-1. Connector Functionality
Connector Label Description
J1 PWR+DATA PoE input; connect to PSE power and data source.
J2 DATA Ethernet data passthrough; connect to downstream Ethernet device.
J3 Output Output connector to load.
J4 Adapter Input DC-to-DC converter input bypassing the PoE converter; connect a 12-V adapter.
J5 LED Jump J4 to visually indicate the output voltage.
J6 FREQ Jump to 'Fixed' for fixed frequency. Jump to 'Dither' to enable spread spectrum dithering.
Table 5-2. Test Points
Test Point Label Description
TP1 BS Bob Smith termination
TP2 VREG Bias winding
TP3 VCC Switching supply voltage
TP4 VPD Input voltage
TP5 VOUT Output voltage
TP6, TP10 PGND Primary ground
TP7 GND Secondary ground
TP8 VDD DC-DC converter input
TP9 RSNS Current sense voltage
TP11 SST Soft start and hiccup timer
TP12 VSS PoE input return ground
TP13 FB Feedback loop
www.ti.com General Configuration and Description
SLVUBO2B – APRIL 2019 – REVISED DECEMBER 2020
Submit Document Feedback
TPS23758EVM-080 Evaluation Module 5
Copyright © 2020 Texas Instruments Incorporated