Power management is really necessary in my case?


I’m designing my own carrier board for the Jetson Nano, and I’m using the development kit schematics as a reference. I see that the development kit is using two power management ICs for the power input. But that might be simply for power mux’ing between VDD_DC_JACK and VDD_5V_USB. My board, however, will only have one 5V power input. In that case, do I really need a power management subsystem? Consider that my board will be installed on a system and will stay there without devices being plugged/unplugged on it.


The ICs are to keep power supply in stable 5V. If your design can guarantee the power supply is stable at 5V, you can remove the ICs.

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