Relatively compact 350W GaN charger shown at Computex 2022
Hardware

Relatively compact 350W GaN charger shown at Computex 2022

Despite the almost empty pavilions at the Computex 2022 exhibition in Taipei this year, the journalists of the resource TechPowerUp spotted a curious stand by Chinese company Wii Power (nothing to do with Nintendo) demonstrating several chargers based on gallium nitride (GaN) elements.

    Image source: techpowerup.com

Image source: techpowerup.com

GaN-based chargers offer high performance in a relatively modest size, and this technology promises to dominate the market in the years to come. The most powerful in the range of the Chinese manufacturer was a 340 W charger – such chargers have not yet appeared on the market. Supposedly a pre-production sample and quite bulky at 150 x 86 x 34mm, which is forgivable considering it can deliver up to 17A at 20V. The device comes with a USB Type-C port with USB PD support and a range of other ports that output up to 45 watts.

Another charger has an output power of up to 240W, but offers more interesting connection options. The first USB Type-C port has a power of 140W, the second 100W. Then both cables can be connected to the adapter and get all available 240 watts at the output. Adapters for various laptops are also available. There is also a third USB Type-C port and a USB Type-A port for connecting less power-intensive consumers such as smartphones. There is also a built-in display on board that shows voltage, current and power readings. The device is also quite bulky (130×80×32mm), but not for its capabilities.

Finally, it is worth noting the third exhibition sample – a compact charger with a capacity of 140 W (28 V, 5 A), which is convenient to take with you on the road. It is unlikely that any of these chargers will be commercially available in the near future, but in a slightly more distant future, with the spread of GaN technology, the number of such offerings will surely increase.

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Dylan Harris

Dylan Harris is fascinated by tests and reviews of computer hardware.

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