RockPro64 power consumption
#11
(03-30-2019, 02:02 PM)waqasnasir Wrote: I was wondering what minimum power i can give to RockPro64 without damaging it ?

It depends what you have plugged into it, the USB2 ports put out up to 0.5A each and USB3 does up to 0.9A, etc...
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#12
(03-30-2019, 03:32 PM)evilbunny Wrote: It depends what you have plugged into it, the USB2 ports put out up to 0.5A each and USB3 does up to 0.9A, etc...

Yeah, but that is at 5v, so you basically need to half that for the RockPro64 since it's operating voltage is 12v!! Tongue Big Grin

(03-30-2019, 02:02 PM)waqasnasir Wrote: I was wondering what minimum power i can give to RockPro64 without damaging it ?

I would suggest that since the full loaded loadings are around 0.65A @ 12v, that a minimum of a 1A power supply is needed if you want to ensure stable output and want to give the PSU some decent headspace. I don't see any reason that the RockPro64 + say wireless keyboard/mouse + HDMI or networking would need any more. Naturally, you will need more than that depending on what peripherals you want to add to the RockPro64. i.e with both the USB2 (0.5A @5v x 2 so around 0.25A @ 12v x 2) ports and USB3 (0.9 - call it 1.0A @ 5v so around 0.5A @ 12v) fully loaded, you needed nearer to a 2.0A supply to cope with intermittent peak loading. then there is whatever is connected to the PCIe slot as well.

I currently have my NBN fixed wireless box (phone/internet connection), rockpro64 with eMMC and NVMe via PCIe and 2x USB hard drive enclosures on a 12v solar system, and it's drawing 1.08A @ 12.15v at present... with both drives in sleep mode at the moment (quite remarkable actually... watching a tv show episode from one of the drives and it's buffered the episode in memory so the hard drives have gone to sleep for the duration... making the consumption rise to 1.12A due to CPU / networking)
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