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Figure 6. Orientation of the UCD3138CC64EVM-030 Board on the UCD3138PSFBEVM-027 Board
6
Test Points
Test Points
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
SLUUAK4 – August 2013
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Table 2. UCD3138PSFBEVM-027 List of Test Points
Name
+VIN
Positive input voltage
–VIN
Input voltage return
BUS+
Primary high-side current-sense input
VAUXPRI
Primary 12-V bias
PWRGND
Primary 12-V bias return
VAUX_S
Secondary 12-V bias
PGND
Secondary 12-V bias return
VINSCALED
VIN sense on the secondary side
Ipri
Primary current sense
Control-card mechanical-guide pin
Not used
FLTB
Oring control
PGND
Secondary 12-V bias return
+VO1
Output before oring FETs
PGND
Secondary 12-V bias return
–RS
Remote sense of the output voltage
VO
Output voltage positive terminal
Not used
+RS
Remote sense of the output voltage
SR1-3
QSYN 1 and 3 drive
SR2-4
QSYN 2 and 4 drive
IS–
Load current sense
AGND
Analog ground
Ipri
Primary current sense (AD_06)
Copyright © 2013, Texas Instruments Incorporated
Description
Using the UCD3138PSFBEVM-027
Test Points
11
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