65W GaN PD Wall Charger under testing of it 5V Rail 1% Voltage regulation

[Kiriakos GR]

This is a fresh article, about GaN PD Wall Charger.

Gan technology chargers they are not only a programmable power supply for phones charging.
I have here an 65W GaN PD Wall Charger, single USB-C port.

And I got amazed when I use this as 5V power supply for a project of my.
Voltage regulation seemed as rock solid, when this tested at:
50mA
300mA
600mA
1.0A
1.5A
2.0A

I did use this Seasonic labeled PSU, as power source so to test USB cables and their power capabilities, due a programmable DC load.
The repeatability at stable delivery of voltage under all loads this caused to me an super positive impression.

Since the beginning of time, all pulsing power supply, they mention line regulation of 5%, and GaN this is not an exception.
But line voltage regulation this is at the ACV side of the PSU.

While Voltage regulation at DC this specification never gets documented. 
 
The marketplace along the manufacturer of Fresh GaN PD Wall Charger, not all but enough of them, they also mention this 1% Voltage regulation specification.

At 60mA DC current, output voltage regulation this is performed at 5ms = super fast
At higher DC current, voltage regulation this is performed at 150ms (according to USB development association in Taiwan).
 

Very soon I am going to run this test, by using the best measuring setup, so to verify at high digits resolution this miracle.
I did a first quick confirmation by using one of my U1272A.

I am after to confirm if such  technology of PSU, this is good enough as PSU and for micro controller projects.

[Gianluca]

Thanks,

very interesting. I will buy one for my project.

[Kiriakos GR]

Eleven months back I did, AC power design evaluation at my GaN.
For any one interested having a complete picture. 
 
https://www.ittsb.eu/forum/index.php?topic=1954.0

And also I have a tip, about these USB-C connector converter to USB 2.0
The best one this is at SAMSUNG genuine accessories.


And I will add here and another link. https://www.eetasia.com/chicony-power-and-ti-partner-to-bring-gan-technology-to-next-gen-laptop-power-adapters/
My Gan charger this is work of Chicony Power.

[Andrew-88]

You look as unstoppable since the purchase of Fluke 8846A, this in combination with the Japanese data logging software. 

I could never imagine, that GaN PD this has such elevated performance in comparison to classic switching PSU.
Naturally there is no comparison with your PSU+charger, with the cheapo 5V phone charger 2$ shipped at eBay.

Chicony this is a well known brand, it does assembly of most PSU for reputable Laptop brands.   

[Kiriakos GR]

You look as unstoppable since the purchase of Fluke 8846A, this in combination with the Japanese data logging software. 

I could never imagine, that GaN PD this has such elevated performance in comparison to classic switching PSU.
Naturally there is no comparison with your PSU+charger, with the cheapo 5V phone charger 2$ shipped at eBay.

Chicony this is a well known brand, it does assembly of most PSU for reputable Laptop brands.

I will keep a distance from delivering any recommendation in favor of a specific brand of GaN PD charger - PSU.
Never researched this market in depth.
If I was after getting a GaN PD 25W so to test, I would visit a local retail store, of a major mobile services network, and I would look within branded official smart phone accessories.

On-line buy = 95% of getting a poor imitation. 

My GaN PD, this is a marketing gift this was offered to me, by Seasonic team in Germany (not a commercially available product).