Mussels
Freshwater Moderator
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System Name | Rainbow Sparkles (Power efficient, <350W gaming load) |
---|---|
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Okay i found the info i was looking for:That's not entirely correct either. There's USB BC (5V 2.4A) and there's USB3.0 with its quirks. On lots of boards, laptops, prebuilts manufacturers skip on USB protection, which means theoretically you can pull as much current out of USB as you want(or as much as the device is capable of pulling). Our guys at work burned a couple of mini-PCs that way: 5V rail was capable of 5V 4A combined, but each port was able to provide ~1.5A or more to the phone/tablet. With 4 phones connected it managed to kill that rail.... twice... After I explicitly said to use powered hub for more than 3 devices....
View attachment 234966
The only reason you see 500mA when the phone is plugged in, is because phone itself tried to negotiate and failed. Older Samsungs used to be that way too: can't negotiate - roll back to 0.5A for safety.
And if you, @Athlonite , are using a cheap "pigtail" USB tester to measure current - it may become that barrier that stops phone from detecting port's capabilities. My old tester used to do that crap, so I replaced it with a new one, which has all lanes connected and even allows QC and PD to go through.
Does your charger support 9V QC or 9V PD? As I said earlier, QC is not compatible with PD, so if you are using a third-party charger - you better check which one it is.
Same applies to Pixel 1.
The pixel phones use Qualcomms charging hardware internally, which supports qualcomms quick charge 2.0 (including 9V 2A) - but its disabled
They instead only work with USB-C PD 2.0
Example link about the Pixel 2 XL, where the charging hardware supports 27W, but only charges at a max of 18W (and ofc, many sites failed to report the update on that)
Pixel 2 supports 27W chargers, won't actually charge faster (update) - CNET
Then the 4XL moved to USB-C, but kept it USB 2.0 and didnt change the charging rates (but we did get 11W wireless charging with the pixel stand, woo?)
by and by Compatibility - GTrusted
My mistake about the USB-C 9V vs the quick charge 9V is what threw me off, actual figures are:
With an official spec 27W charger, it went up an entire 1W faster
Pixel 6 boosts to a huuuuuuge ~22W max, if you buy your own 30W charger, averaging to 13W (the fast charge only applies to the first 50%)
the slower charging rates are meant to keep the battery alive longer, and if you have adaptive charging on it slows it even further "phone will reach 100% by (next alarm)