Most-compact gallium nitride half-bridge power IC

Wise-integration has launched the 120mOhm WI62120 half-bridge power circuit, which offers power electronics designers new levels of power density, performance, and cost-effectiveness.

The JEDEC-certified device is a 650V enhancement mode GaN-on-silicon IC. It is part of the company's WiseGan family of power devices. It employs the intrinsic properties of GaN to supply improved current capabilities, voltage breakdown, and switching frequencies for applications in high-efficiency and high-density power conversion, incorporating AC/DC, DC-DC, and DC/AC, from 30W to 3kW.

Aimed at market sectors including consumer (such as ultra-fast chargers for mobile and desktop devices), E-mobility, and industrial AC/DC power supplies and designs utiising Bridgeless Totem Pole PFC, ACF, two-inductor one-capacitor (LLC) resonant converters, and synchronous buck or boost half-bridge topologies.

“We are proud to bring our first WiseGan product release into production,” said Thierry Bouchet, CEO of Wise-integration. “The 120mOhm WI62120 is the most compact half bridge in the market with a 6x8 PQFN package that maximizes customer benefits in terms of high-power density, performance, and bill of materials cost reduction. We’re confident that our customers will find it very useful in all ACF topologies and PFC-LCC architectures, and that it will help them leverage the benefits provided by smaller, more-efficient, and more cost-effective power electronics."

The company extends these advantages with WiseWare embedded digital control software; subsequent generations of WiseGan devices will combine functions such as gate control, security, protection, and other designer-friendly capabilities into AC/DC GaN applications.