Texas Instruments TPS543C20EVM-054, User Manual

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List of Test Points, Jumpers, and Switch
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8 SLUUBW8 – July 2018
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TPS543C20EVM-054 40-A Single Phase Synchronous Step-Down Converter
7 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 TPS543C20EVM-054 IC