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29 May 2019

Transphorm’s Gen III GaN FET powering Wentai’s 1.6kW Titanium ATX PC gaming power supply

Transphorm Inc of Goleta, near Santa Barbara, CA, USA — which designs and manufactures JEDEC- and AEC-Q101-qualified high-voltage (HV) gallium nitride (GaN) field-effect transistors (FETs) for high-voltage (HV) power conversion applications — says that LED lighting and power supply original equipment manufacturer Wentai Technology Corp of Taipei, Taiwan has developed a Titanium ATX gaming power supply unit (PSU) series called Aidan whose flagship product, the Aidan-T1616, uses its TP65H050WS Gen III 50mΩ GaN FET in an interleaved CCM boost PFC. The result is a fully modular, low-noise 1616W 80 PLUS Titanium PSU with close to 95% efficiency.

The Aidan ATX PSU series targets consumer computing markets requiring ultra-high power such as PC gaming, E-sports, artificial intelligence (AI) and cryptocurrency mining. Compared with Wentai’s silicon-based 1.28kW PSU, the Aidan-T1616 offers 328W more power and about 1% higher efficiency at 50% full load — all within the same form factor. This equates to a 20% increase in power density.

“The high-performance PC market uniquely serves use cases such as immersive gaming, AI and virtual currency mining that requires a large amount of reliable power in comparison to everyday PC use,” notes Wentai’s senior R&D director Aidan Liao. “GaN provided the right technological advantage for us to conceive the Aidan PSU’s design to answer that need,” he comments. “Transphorm’s GaN provided the right quality, reliability and performance advantage for us to ultimately deliver on our vision with a top-quality, fairly priced power supply.”

Wentai’s power system development project occurred over the course of 18 months. Throughout that time, the firm worked with Transphorm’s regional application support team, whose positive reputation, according to Liao, was another influencing factor behind Wentai choosing Transphorm’s GaN devices.

Scheduled for formal release in early 2020, the Aidan-1616 will be demonstrated in booth I1307 (Hall 1-1F) at Computex 2019 in Taipei, Taiwan (28-31 May). The Aidan product line will expand to include PSUs offering various wattages, including 777W, 888W, 1111W, 1288W and 1388W.

Tags: Transphorm GaN-on-Si GaN HEMT Power electronics

Visit: www.transphormusa.com

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