First point -- are you powering a Pi4B or a Pi5?
The Pi4B needs a recommended 3A, the Meanwell is suitable, and should work "out of the box".
The Pi5 itself will work with a 3A supply, but the recommended 5A allows for more downstream USB current, and more peripherals. What is the total load of your connected USB and other storage devices? If more than 600mA, you will need a 5A supply. If you need 5A, you will have to manually configure the Pi5 to know that it has a 5A supply and can use the extra for USB.
If you use an open frame supply, you MUST ensure that it is appropriately earthed and properly enclosed so that the mains terminals cannot be touched in normal use --gaining access requires the use of a tool. Any metal housing must be earthed.
Connecting power through USB-C or via the GPIO header 5V and 0V pins is electrically equivalent, but for a 5A supply you should use two of each, with separate wires back to the supply. Use 18AWG wire, keep connections as short as practical.
The Pi4B needs a recommended 3A, the Meanwell is suitable, and should work "out of the box".
The Pi5 itself will work with a 3A supply, but the recommended 5A allows for more downstream USB current, and more peripherals. What is the total load of your connected USB and other storage devices? If more than 600mA, you will need a 5A supply. If you need 5A, you will have to manually configure the Pi5 to know that it has a 5A supply and can use the extra for USB.
If you use an open frame supply, you MUST ensure that it is appropriately earthed and properly enclosed so that the mains terminals cannot be touched in normal use --gaining access requires the use of a tool. Any metal housing must be earthed.
Connecting power through USB-C or via the GPIO header 5V and 0V pins is electrically equivalent, but for a 5A supply you should use two of each, with separate wires back to the supply. Use 18AWG wire, keep connections as short as practical.
Statistics: Posted by davidcoton — Wed Dec 04, 2024 5:17 pm
