Jetson orin nano overcurrent

Development Boards Other Single Board Computers
1

I just setup my jetson orin nano and I am getting error message “throttling due to overcurrent” (or something very similar. I am getting this message in 25W and MAXN power mode.

Sequence of events:

  1. I started running some YOLO models, and immediately got the overcurrent warning.
  2. I changed the power mode to 25W and ran the same test, but got the same warning
  3. When I use 15W power mode, I dont get any warning messages

Troubleshooting:

  1. I checked the inbuilt power monitoring GUI and saw that the warning pops up when current reaches about 2.5A
  2. I also noticed that the voltage is stuck at ~5V.
  3. I am using the power supply that came with the unit. which should be providing ~19V. Using the multimeter I got:
    a) 19.4V from the barrel jack.
    b) 19.3V from the barrel jack port on the jetson orin nano.

So, I think my jetoson orin nano is stuck using ~5V even when the power supply is providing more than that. This is cause the board to draw more current and tripping the overcurrent monitor.

Please advise if I missed something.

2

From this thread:

"it is a nature of maxN mode. Super mode just gives you less chance to hit OC. It does not mean you won’t hit.

It is not a bug. Orin Nano has power limitations. MaxN mode just gives you “full boost” which does not care about power limit, so once it hits limit, OC will happen and system will do throttling to protect the board.

Please use lower power mode if you don’t want to hit OC."

You’d need to add cooling to use maxN full time (or anything close). That thread covers most aspects/is a good read :smiley: