Power Supply Design Flaw
#3
(08-13-2017, 01:46 PM)MarkHaysHarris777 Wrote:
(08-13-2017, 01:15 PM)Siliconserf Wrote: <snip>
It is a long established truism that power should be transmitted at high voltages and stepped down at the application -- 5V in was simply a bad mistake born of tunnel vision from the SBC Pine64.


I must agree.  My SBC(s) are 12v systems (stepped down and filtered) including my supply for the pinebook.  You can easily get the correct supply from the Pine Store.  Also, you can get a 1m or 2m usb cable with the correct (quality) plug ;  I use the cable with my 12v-->5v CPT and passive filter design.

Hmm. The non-USB end plug appears the same poorly designed hardware with red, instead of black, strain relief molding. If I have to order, I'll get that cable simply because I don't like being tied to that very proprietary wall wart, though it still leaves me at the mercy of that fragile plug. I would like better if it were easy to hack one of the Pinebook's USB ports to jump 5V in to the power connector. Carrying a compact 4 port USB hub would make up for the loss of one USB connector, and replacing a worn USB cable is much more convenient. At least opening up the Pinebook is pretty straight forward.


Messages In This Thread
Power Supply Design Flaw - by Siliconserf - 08-13-2017, 01:15 PM
RE: Power Supply Design Flaw - by Siliconserf - 08-13-2017, 05:31 PM
RE: Power Supply Design Flaw - by daid - 08-14-2017, 05:13 AM
RE: Power Supply Design Flaw - by Wizzard - 08-14-2017, 05:20 AM
RE: Power Supply Design Flaw - by daid - 08-14-2017, 07:52 AM
RE: Power Supply Design Flaw - by Wizzard - 08-14-2017, 08:01 AM
RE: Power Supply Design Flaw - by Luke - 08-14-2017, 08:08 AM
RE: Power Supply Design Flaw - by daid - 08-14-2017, 08:59 AM
RE: Power Supply Design Flaw - by Luke - 08-14-2017, 09:08 AM
RE: Power Supply Design Flaw - by Siliconserf - 08-15-2017, 12:26 PM

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