SPAU023 June 2024
The HSEC adapter board is the intermediate board to transfer the input 5V0 voltage to the SOM from docking station. The input source for the HSEC is from the 180-pin edge connector. The SOM board provides the 3V3 voltages which required for the various peripherals in the HSEC board.
Figure 2-8 shows the power architecture of the HSEC adapter board.