SNOU192A December 2021 – December 2021 LM74502
Table 2-1 lists the LM74502EVM board input and output connector functionality. Table 2-2 and Table 2-3 describe the test points description and the jumper functionality of the EVM respectively.
Channel | Connector | Description |
|---|---|---|
1 | J1 | Power input connector to the positive rail of the input power supply |
J5 | Ground connection for the power supply | |
J2 | Power output connector to the positive side of the load | |
J6 | Ground connection for the load | |
2 | J7 | Power input connector to the positive rail of the input power supply |
J11 | Ground connection for the power supply | |
J8 | Power output connector to the positive side of the load | |
J12 | Ground connection for the load |
Test Point | Name | Description |
|---|---|---|
TP1 | VIN1 | Input power supply to the EVM – channel 1 |
TP2 | VOUT1 | Output from the EVM – channel 1 |
TP5 | GATE1 | Output of controller’s gate pin – channel 1 |
TP6 | OV1 | Adjustable input at the overvoltage pin – channel 1 |
TP7 | VS1 | Power supply to the controller – channel 1 |
TP8 | EN/UVLO1 | EN/UVLO input to the controller – channel 1 |
TP9 | VIN2 | Input power supply to the EVM – channel 2 |
TP10 | VOUT2 | Output from the EVM – channel 2 |
TP13 | GATE2 | Output of controller’s gate pin – channel 2 |
TP14 | OV2 | Adjustable input at the overvoltage pin – channel 2 |
TP15 | VS2 | Power supply to the controller – channel 2 |
TP16 | EN/UVLO2 | EN/UVLO input to the controller – channel 2 |
TP3, TP4, TP11, TP12 | PGND | Test point for EVM ground |
Jumpers | Description |
|---|---|
J4 | OV protection setting channel 1
|
J3 | Enables LED indication for output – channel 1 |
J10 | OV protection setting channel 2
|
J9 | Enables LED indication for output – channel 2 |