SLUUBW8A July 2018 – February 2022 TPS543C20
| 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 |