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From: Mickey D <mickeydavis078XX@ptd.net>
Newsgroups: comp.mobile.android
Subject: Re: Recognizing PD QC chargers
Date: Tue, 15 Oct 2024 11:37:05 -0400
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On Tue, 15 Oct 2024 14:00:58 +0200, Arno Welzel wrote:

>> https://i.postimg.cc/pLSTY4nJ/Clipboard.jpg
> 
> Well - it does not tell, if this charger is USB-PD or QC or both.

Thanks for taking a look at the image as the spec was complicated for me.
https://i.postimg.cc/pLSTY4nJ/Clipboard.jpg


I think it has both based on the product description here
https://www.amazon.com/Charger-GOLDNEXT-Foldable-Block-Cable/dp/B0BYNQBSQ5
"Our 67W 3-port charger features dual USB-C (PD3.0) and 1 USB-A (QC3.0)
ports."
 
>> How would you describe those super complicated charger specifications
>> sufficient to explain why the USB-C ports don't charge the bluetooth?
> 
> I would recommend to get a charger where the supported standards are
> documented by the manufacturer. Having a list of USB port combinations
> and the possible power output for the combination does not help at all
> in this matter.
> 
> However the list itself is not that "complicated". For example:
> 
> USB-C1+USB-C2:45W+20W (65W Max)
> 
> So if you connect one device to USB-C1 and a second device to USB-C2,
> the port USB-C1 provides up to 45W and USB-C2 up to 25W.
> 
> USB-C1+USB-A:45W+18W (63W Max)
> 
> So if you connect one device to USB-C1 and a second device to USB-A, the
> port USB-C1 provides up to 45W and USB-A up to 18W. And the line below
> explains, how the 18W on USB-A is achieved - using 5V at 3.6A which is
> 5*3.6 = 18 Watts

Thanks. They had all those extra sections on the charger in the photo
showing what the output was which I will use Irvanview OCR plugins to get
the output which is below for the super complicated specifications I see.

https://i.postimg.cc/pLSTY4nJ/Clipboard.jpg

Here's the Irfanview OCR plugin output - which I checked for accuracy.
   67W Multi port GaN charger
   Model: CH-GN67W2C1A
   Int: 100-240V~50/60Hz,1.5A Max.
   Out: USB-C1:5V=3A,9V=3A,12V=3A,15V=3A,20V=3.35A,67W Max.
   USB-C2: 5V=3A,9V=3A,12V=3A,15V=3A,20V=3.35A,67W Max.
   USB-A: 4.5V=5A,5V=4.5A,9V=2A,12V=1.5A,22.5W Max.
   USB-C1+USB-C2: 45W + 20W(65W Max.)
   USB-C1+USB-A: 45W + 18W(63W Max.)
   USB-C2+USB-A: 5V=3.6A
   USB-C1+(USB-C2+USB-A) Total: 45W + 18W(63W Max.)
   PPS: 3.3-20.3V=3.3A Max.
   CONFORMS TO UL STD.62368-1
   CERTIFIED TO CSA STD.C22.2 NO.62368-1

Is that the PD & QC spec that the advertising says it is?
https://www.amazon.com/dp/B0BYNQBSQ5