Powering Nvidia Jetson Orin Nano Dev Board with 7.4V 3A Battery

Issue Overview

Users are inquiring about the possibility of using a 7.4V 3A battery as a power supply for the Nvidia Jetson Orin Nano Developer Kit 8GB model. This question arises in the context of exploring alternative power sources for the dev board, potentially for portable or off-grid applications. The specific concern is whether the battery can be connected directly to the board’s barrel jack input.

Possible Causes

1. Voltage Mismatch: The 7.4V output of the battery does not match the required input voltage of the Orin Nano Dev Kit.

2. Lack of Voltage Regulation: Direct connection of a battery to the board without proper voltage regulation could lead to potential damage or improper functioning.

3. Misunderstanding of Power Requirements: Users may not be aware of the specific power input requirements for the Orin Nano Dev Kit.

Troubleshooting Steps, Solutions & Fixes

1. Verify Power Requirements:

   • The Nvidia Jetson Orin Nano Developer Kit requires a 5V power supply.
   • Do not attempt to connect the 7.4V 3A battery directly to the board’s barrel jack.

2. Use a Voltage Regulator:

   • To use the 7.4V battery, you will need a DC-DC buck converter (step-down voltage regulator) to convert the 7.4V to 5V.
   • Ensure the voltage regulator can handle the current requirements of the Orin Nano Dev Kit.

3. Select an Appropriate Power Supply:

   • Use a 5V power supply that meets or exceeds the current requirements of the Orin Nano Dev Kit.
   • Check the official Nvidia documentation for the exact power specifications of your specific model.

4. Consider Alternative Battery Solutions:

   • Look for 5V battery packs or power banks designed for single-board computers or similar devices.
   • Ensure any battery solution can provide sufficient current for the Orin Nano Dev Kit’s power needs.

5. Consult Official Documentation:

   • Review the Nvidia Jetson Orin Nano Developer Kit user manual for detailed power requirements and recommendations.
   • Check for any updates or errata related to power supply information on the Nvidia developer website.

6. Seek Professional Advice:

   • If you’re unsure about power supply modifications, consult with an electronics professional or reach out to Nvidia support for guidance.

Remember, using an incorrect power supply can potentially damage your Orin Nano Dev Kit. Always prioritize the safety and integrity of your hardware by adhering to the manufacturer’s specifications.