TPS2378EVM-602
J3
J4
J1
PSE
Ethernet Cable
VOUT
GND
Ethernet
Device
TPS23861EVM-612
J9 or J21
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General Configuration and Description
7
SLVUAG7A – May 2015 – Revised July 2017
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Copyright © 2015–2017, Texas Instruments Incorporated
TPS2378EVM-602 Evaluation Module
5.2
Test Setup
Figure 4
shows the typical test set for the TPS2378EVM-602 using the TPS23861EVM-612.
1. Power the TPS23861EVM-612 as described in
SLUUAY8
.
2. Connect J3 of the TPS2378EVM-602 to J9 or J21 of the TPS23861EVM-612 using a standard CAT5E
cable.
3. Vary the load as necessary for test purposes.
Figure 4. Typical TPS2378EVM-602 Test Setup
5.2.1
Testing the TPS2378EVM-602 without a PSE
The TPS2378EVM-602 can be evaluated without a PSE and only a power supply.
1. Set the power supply between 42.5 V – 57 V Turn off the power supply
2. Short TP15 to TP13
3. Short TP14 to TP12
4. Connect the positive lead of the power supply to TP15
5. Connect the return lead of the power supply to TP14
6. Turn on the power supply
7. Vary the input voltage and output load as necessary for test purposes
