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My Sponsor says Slower is… Better?

mynameGeoff

Yes, slower is better. Check my specs. 🤣

The mind of a person with discernment gets knowledge, and the ear of the wise seeks knowledge. Proverbs 18:15 CJB

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  • 2 weeks later...
On 1/12/2024 at 10:09 AM, ThePointblank said:

Also, almost every PC laptop on the market is 20V. There are a very few non-20V ones but their market share is negligible. Asus would have to totally redesign the internal components on the G14 and G16 to handle more than 20V, which would be a very expensive undertaking.

 

You can achieve much safer results in much easier way using normal power connectors.

 

The problem is, if they wanted to use a normal power connector, they could have used the widely accepted standard 5.5x2.5mm DC everyone (including them up to this point) has used! They didn't have to invent a new stupid power connector, that's the biggest problem! Want to skip USB-C while you still can? Sure go ahead, but use the accepted standard you've used for years, don't design yet another charging standard!

 

On 1/12/2024 at 10:09 AM, ThePointblank said:

The standard USB-PD spec is not designed to handle loads in excess of 100W

Of course it is, the latest version goes up to 240W as you point later on

 

On 1/12/2024 at 10:09 AM, ThePointblank said:

Oh, and the current EU mandate only covers devices under 100W; higher performance devices are excluded from the mandate

 

Didn't know that but it's sad to hear.

 

On 1/12/2024 at 10:09 AM, ThePointblank said:

or one, the pins in the connector aren't strong enough to deliver so many amps. Therefore you'd need to raise voltage to above 40V, send it with 5A, and then step it down back to 12V and other low voltages.

 

Just this process of stepping up and down would produce significant amount of heat.

240W via USB-PD is very sketchy. To have such power delivered on 20V, which is a standard now, you would need 12A. This is current almost as big as whole household circuits (15A). Imagine sending the same amount of current a standard household circuit provides via a USB cable; the cable and the connectors are not going to have a good time.

 

48V 5A, you simply don't send 240W at 20V, it needs to be 48V. Modern converters have insane levels of efficiency, like above 97%. 3% of 240W is 7.2W, these laptops are 180W so less than that

 

On 1/12/2024 at 10:09 AM, ThePointblank said:

The only solutions I've seen that can provide such power from mainstream manufacturers are from HP and Lenovo with their high wattage docks for some of their workstation laptops; they are using standard USB C for data and a separate proprietary cable for high wattage power delivery and then snap a piece of plastic over the two cable heads to make the "plug a single thing" action possible; sure it has two separate metal plugs but who cares?

 

Those plugs SUCK! Seriously, they're terrible, fortunately those big OEM are now also jumping ship to usb-c (I already have a 140W usb-c charger from lenovo)

 

On 1/12/2024 at 10:09 AM, ThePointblank said:

Not to mention that there aren't any commercially available 180W or 240W USB chargers on the market...

 

Framework was able to do one, ASUS couldn't? Same thing for board components being 20V, they're in control of the design and charging a pretty penny for the laptop, why not actually put some work in?

 

 

 

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Looks like you can still charge the g14 up to 20v/5a over usb-c, but how realistic would gaming while charging on usb-c be?  The power brick with that square connector is 19v/2.3a.  Would love to carry a steam deck and this laptop and only need one usb-c charger.

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