![](https://csdnimg.cn/release/download_crawler_static/12937098/bg4.jpg)
General Configuration and Description
www.ti.com
4 General Configuration and Description
4.1 Physical Access
Table 2 lists the TPS23753AEVM-001 connector functionality and Table 3 describes the test point
availability.
Table 2. Connector Functionality
Connector Label Description
RTN External adapter input connector.
Input
J1-1/J1-2 are used with DC/DC converter adapter input (RTN) and J1-3/J1-4 are used with
J1
Input
a PD adapter input (VSS)
VSS
ETHERNET Ethernet power input connector. Contains Ethernet transformer and cable terminations
J2
POWER
J3 VOUT Output voltage connector
12 PD side diode bridge input.
36
Used to apply 48-V input voltage to the diode bridges as would power application from the
J4
45
J2 connector. J4-1/J4-2 and J4-3/J4-4 are used together.
78
J6 DATA PORT Ethernet data port connector
Table 3. Test Points
Test Point Color Label Description
TP1, TP14, TP15 BLK GND Secondary-side (output) grounds (GND)
TP2 RED VC DC/DC converter bias supply
TP3 ORG DRAIN Drain terminal of the primary-side switching MOSFET
TP4 BLK VSS PoE input, low side
TP5, TP13 BLK RTN DC/DC converter return
TP6 ORG LOOP Can be used with TP8 for feedback loop measurements.
TP8 RED VOUT DC/DC converter output voltage.
TP9 RED CTL Control loop input to the pulse width modulator
TP10 WHT CS DC/DC converter primary-side switching MOSFET current-sense input
TP11 RED VB Bias voltage regulator
TP12 WHT GATE Gate drive for the primary-side switching MOSFET
D11 RED POWER ON Output power indicator
4
TPS23753AEVM-001 Evaluation Module for TPS23753A SLVU315A–June 2009–Revised March 2014
Submit Documentation Feedback
Copyright © 2009–2014, Texas Instruments Incorporated