List of Test Points, Jumpers, and Switch
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SLUUBZ2 – December 2018
Copyright © 2018, Texas Instruments Incorporated
TPS543C20AEVM-054 40-A Single Phase Synchronous Step-Down
Converter
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List of Test Points, Jumpers, and Switch
Table 2. Test Point Functions
Item
Type
Name
Description
TP23
T-H loop
SW
Power supply Switch node
TP11
T-H loop
CH-A
Measure loop stability
TP12
T-H loop
CH-B
Measure loop stability
TP3
T-H loop
LocS+
Sense VOUT + locally across C11. Use for efficiency and ripple
measurements
TP10
T-H loop
LocS-
Sense VOUT– locally across C11. Use for efficiency and ripple
measurements
TP1
T-H loop
PVIN
Sense VIN + across C8
TP4
T-H loop
PGND
Sense VIN – across C8
TP6
T-H loop
VDD
Supplies the internal circuitry
TP9
T-H loop
BP
LDO output
TP14
T-H loop
PG
Power good
TP7, TP15, TP16,
TP17
T-H loop
PGND
Common GND
TP19, TP20,
TP21, TP22
T-H loop
Not used
TP18
T-H loop
SYNC
Synchronize with external switching frequency
JP3
2-pin jumper
EN
Enable or disable TPS543C20AEVM-054 IC