Schematic design / GPIO Output (Nvidia Jetson NANO 2GB DevKit)

Autonomous Machines Jetson & Embedded Systems Jetson Nano
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1

Hey guys,

i want to control a LED Stripe (12V … max. 300mA) with a Jetson Nano 2GB DevKit GPIO Pin.

This is my schematic:

schematic
schematic1207×744 8.17 KB

I am a little bit confused about the current draw of a GPIO pin. Some people write its ± 1mA other say 20uA.

If you look at my schematic … Should i choose another value for R1? Is that schematic even possible with a GPIO pin? Any other suggestions how to drive that N-Ch Mosfet ?

Thanks in advance!

Artur

3

The GPIO pins of 40-pin connector all pass through a level shift, PI4ULS5V108LEX. So you can find its output characters in datasheet: https://www.diodes.com/assets/Datasheets/PI4ULS5V108.pdf

4

Hello,

you say it is a P14ULS5V108LEX, but on this site its the Texas Instruments TXB0108RGYR level shifter.

https://developer.nvidia.com/embedded/learn/jetson-nano-2gb-devkit-user-guide

Which one is the right one on the 2GB DevKit?

5

Checked again, it should be TXB0108, please follow that GPIO usage consideration and its datasheet online.