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pin. Test Points GND1, GND3 and GND4 provides access to the input GND voltage and GND2 provides access
to the LM74800-Q1 GND pin.
Table 2-1. Connectors: Input and Output
Connector
Description
J1
Power input connector to the positive rail of the input power supply
J3
Ground connection for the power supply
J2
Power output connector to the positive side of the load
J4
Ground connection for the load
Table 2-2. Test Points Description
Test Points
Description
VIN
Input power supply to the EVM
VOUT
Output from the EVM
VA
Common-source point of Q1 and Q2 MOSFETs and A pin of
LM7480x-Q1
DGATE
Output of Ideal Diode MOSFET Gate Control
HGATE
Output of Hot-Swap MOSFET Gate Control
GND1, GND 2, GND3 and GND4
Test Point for EVM Ground
Table 2-3. Jumpers and LED Description
Jumpers
Description
J5
EN/UVLO Control
•
1-2 Enables by connecting to VIN
•
2-3 Disables by connecting to GND
J6
OVP Setting
•
1-2 OVP set to Output Clamp (hysteretic) at 37.5 V
•
2-3 OVP set to Input OVP Cutoff at 38.4 V
J7
Enables LED indication for output
Description
SLVUBU4 – MARCH 2021
LM7480-Q1 Evaluation Module for Unsuppressed Load Dump Protection:
LM74800EVM-CS
3
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