SLUUCV9 November 2023 TPS4800-Q1
Table 3-2 lists the TPS4800Q1EVM Evaluation Board input and output connector functionality. Table 3-3 and Table 3-4 describe the test point availability and the jumper functionality.
Connector | Label | Description |
---|---|---|
J1 | VIN | Power input connector to the positive rail of the input power supply |
J4 | PGND | Ground connection for the power supply |
J2 | VOUT | Power output connector to the positive side of the load |
J3 | PGND | Ground connection for the load |
Test Points | Label | Description |
---|---|---|
TP1 | RS+ | Positive terminal of current sense input |
TP2 | RS- | Negative terminal of current sense input |
TP3 | VIN | Input power supply to the EVM |
TP4 |
VOUT |
Output from the EVM |
TP5 |
EN/UVLO |
Enable control (Active high) and undervoltage input |
TP6 |
GATE |
GATE of the external Main MOSFET |
TP7, TP8 |
PGND |
Power Ground |
TP9 |
GND |
Ground |
TP11 |
TMR |
Fault timer voltage |
TP12 | VAUX | Auxiliary supply to bias the LEDs |
TP13 |
INP |
Control input of main MOSFET |
TP14 | INP/ | Inversion of control input for main MOSFET |
TP15 |
FLTb |
Fault output |
TP16 |
FLT_GD |
Fault Output for gate drive UVLO |
TP17 |
SCP_TEST | Internal short circuit comparator (SCP) diagnosis input. |
TP18, TP19 |
CAP_INS |
Connector to insert output capacitor |
Jumper | Label | Description |
---|---|---|
J5 | CS_SEL | Current sense input selection. 1-2 Position selects low-side current sensing. 2-3 Position selects high-side current sensing. |
J6 | SCP_TEST | Internal short circuit comparator (SCP) diagnosis input. |
J7 | TMR | Short-circuit protection delay setting. 1-2 Position sets 1 ms delay. 3-4 Position sets 10 ms delay. 5-6 Position sets the controller in Latch-off mode. |
J8 | ISCP | Short circuit protection threshold
setting. 1-2 Position sets 5 A. 3-4 Position sets 10 A. 5-6 Position sets 15 A. |
D4 (RED – LED) | D4 | Fault indicator. LED turns ON for under-voltage fault, short-circuit fault and during SCP comparator diagnosis |
D5 (GREEN – LED) | D5 | LED turns ON for GATE good condition |