Power management is really necessary in my case?

Hello,

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.

Thanks,
Ed

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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