Rock64 power consumption
#4
(07-27-2017, 03:45 AM)dkryder Wrote: there is a reason that the rock64 power supply units in the store are 3Amp with barrel jacks while the pine64 board power supply are 2Amp with micro usb plug. rock64 uses considerable current compared to many other sbc.



Not true actually;

... the reason for the increase in the size of the power supply and the use of the barrel jack are for two completely different motivating purposes.  The barrel jack connector is the standard (new) method for providing power to pine products;  the micro usb connectors are insufficient even for the pine boards;  secondly the increased power supply is provided because the cap on the output current of the usb ports is higher, not because the Rock64 boards actually need that much current now. If you add up the current allowed for each usb2.0 port (600ma) and the current allowed for the usb3.0 port (950ma)  you'll see why the power supply was changed.

The board is actually very frugal;  although, the SoC does get warm-- the power dissipation is nominal for this board in comparison to other SoC(s) SBC(s).
marcushh777    Cool

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( I regret that I am not able to respond to personal messages;  let's meet on irc! )


Messages In This Thread
Rock64 power consumption - by arevenco - 07-26-2017, 09:29 AM
RE: Rock64 power consumption - by jebivetar - 01-12-2018, 11:52 AM
RE: Rock64 power consumption - by dkryder - 07-27-2017, 03:45 AM
RE: Rock64 power consumption - by MarkHaysHarris777 - 07-27-2017, 04:14 AM
RE: Rock64 power consumption - by pfeerick - 07-27-2017, 05:58 AM
RE: Rock64 power consumption - by dkryder - 07-28-2017, 03:30 AM
RE: Rock64 power consumption - by pfeerick - 07-28-2017, 06:22 PM
RE: Rock64 power consumption - by dkryder - 07-29-2017, 05:02 AM
RE: Rock64 power consumption - by pfeerick - 07-29-2017, 07:48 PM
RE: Rock64 power consumption - by tllim - 07-29-2017, 07:33 PM
RE: Rock64 power consumption - by dkryder - 01-12-2018, 01:34 PM
RE: Rock64 power consumption - by jebivetar - 01-12-2018, 02:35 PM
RE: Rock64 power consumption - by dkryder - 01-12-2018, 06:42 PM
RE: Rock64 power consumption - by xalius - 01-12-2018, 04:53 PM
RE: Rock64 power consumption - by jebivetar - 01-12-2018, 07:26 PM
RE: Rock64 power consumption - by tllim - 01-15-2018, 10:51 PM
RE: Rock64 power consumption - by Exec - 01-16-2018, 08:07 AM
RE: Rock64 power consumption - by Malmgren - 01-16-2018, 02:12 PM
RE: Rock64 power consumption - by ayufan - 01-16-2018, 02:25 PM
RE: Rock64 power consumption - by z4v4l - 01-16-2018, 02:48 PM
RE: Rock64 power consumption - by Exec - 01-16-2018, 04:43 PM
RE: Rock64 power consumption - by z4v4l - 01-17-2018, 06:50 AM

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