Jetson Orin Nano in Car: Safe Auto Power-On & Graceful Shutdown (Avoiding SD Corruption)

Robotics & Edge Computing Jetson Systems Jetson Orin Nano
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Hi everyone,

I am planning to permanently install a Jetson Orin Nano in my car, but I want to ensure the power management is handled correctly to avoid any hardware damage or SD card/filesystem corruption.

Here is the behavior I am trying to achieve:

  • Power On: The Jetson should boot up automatically when the car is started (Ignition/ACC ON).

  • Power Off (Crucial part): When the car is turned off (Ignition/ACC OFF), the Jetson must not lose power instantly. It needs to stay powered long enough to trigger a graceful software shutdown (e.g., via a script) and completely power off only after the OS has safely halted.

My main concerns are:

  1. Preventing SD card/NVMe corruption from sudden power loss.

  2. Protecting the Jetson board from automotive voltage spikes/drops (especially during engine cranking).

My questions for the community:

  • Are there any recommended off-the-shelf power management boards, Automotive HATs, or UPS modules designed for this specific use case?

  • Has anyone implemented delayed boot (e.g., 20 seconds after engine start to avoid crank voltage drop)?

  • What is the best practice for wiring the ignition sense to trigger the shutdown script safely?

  • Has anyone successfully deployed a similar setup, and what hardware did you use?

Ideal Scenario

  • Engine ON → Jetson boots automatically

  • Engine OFF → Jetson detects ACC off → runs shutdown script → power is cut only after shutdown completes

  • No SD corruption

  • No manual interaction required

Any advice, schematic ideas, or product recommendations would be greatly appreciated. Thank you!

5

I cannot answer most of your questions but I did see mentions of various UPS solutions in other forum threads that could help with providing enough power for the system to safely power down and may also have a way to signal loss of power on the input side to trigger the Orin to power down.

The Jetson Orin Nano Dev Kit does support auto power on when DC IN is applied, if you find a way to delay the power to the Dev Kit as desired.

Hopefully other users can comment with their experiences.

Please note that the Dev Kit is intended for desktop development.

6

I’ll use 12v/24v to 19v 60w Laptop Car Charger + UPS Hat on Orin Nano… lets see the result )))