SLVUBN3B May 2019 – December 2025 TPS2388 , TPS23880 , TPS23881
Table 3-2 lists the EVM test points.
| TP | LABEL | DESCRIPTION |
|---|---|---|
| PSEMTHR24EVM-081 | ||
| TP1 | 55VDC | VPWR |
| TP2 | GND | VPWR ground |
| TP3 | OC-ALERT | System over current alert signal |
| TP4 | SDA | I2C data |
| TP5 | SCL | I2C clock |
| TP6 | PG1 | Power good signal for power supply #1 |
| TP7 | PG2 | Power good signal for power supply #2 |
| TP8 | PSE_3.3V | 3.3 V for PSE devices |
| TP9 | GND | PSE_3.3V ground |
| TP10 | 3.3V_ISO | Isolated 3.3 V for MSP430 |
| TP11 | 3.3V | 3.3 V for debug |
| TPS12 , TP13 | GND_ISO | 3.3V_ISO ground |
| TP14 | OSS | OSS signal from MCU to PSE |
| TPS23881EM-083 | ||
| TP1 | VPWR | VPWR |
| TP2 | PSE_3.3 | 3.3 V for PSE devices |
| TP3, TP4, TP14, TP18 | GND | VPWR and PSE_3.3V ground |
| TP5 | RESET | Reset signal from MCU |
| TP6 | OSS | OSS signal from MCU |
| TP7 | INT | INT signal to MCU |
| TP8 | SCL | I2C clock from MCU |
| TP9 | SDA | I2C data from and to MCU |
| TP10 | 3.3V_ISO | Isolated 3.3 V |
| TP11 | PSE_RST | Reset signal to PSE |
| TP12 | PSE_OSS | OSS signal to PSE |
| TP13 | PSE_INT | INT signal from PSE |
| TP15 | GND_ISO | 3.3V_ISO ground |
| TP16 | PSE_SDA | I2C data from or to PSE |
| TP17 | PSE_SCL | I2C clock to PSE |