News: Microelectronics
26 June 2025
Wise Integration launches first digital controller for GaN totem-pole PFC
Fabless company Wise-integration of Hyeres, France — which was spun off from CEA-Leti in 2020 and designs and develops digital control for gallium nitride (GaN) and GaN IC-based power supplies — has released to production its first fully digital controller, WiseWare 1.1 (WIW1101), based on a 32-bit MCU. This enables high-frequency operation up to 2MHz, unlocking what are claimed to be new levels of power density, efficiency and form factor in compact AC–DC power converters.
The product is now available and ready for volume production in customer-validated designs.
“This release marks a strategic milestone for Wise Integration’s roadmap,” says CEO Thierry Bouchet. “WiseWare 1.1 represents more than a product — it’s a key pillar in our vision to redefine power electronics through digital control. It strengthens our value proposition in high-density power conversion.”
Digitally driven, GaN optimized
Unlike legacy analog solutions, WiseWare 1.1 leverages the speed and switching capabilities of GaN through a proprietary digital control algorithm in a 32-bit MCU, enabling zero-voltage switching (ZVS) across all power transistors. Designed specifically for totem-pole power-factor correction (PFC) architectures in critical-construction mode (CrCM), this controller allows engineers to dramatically reduce the size, weight and thickness of magnetic components while maintaining >98% efficiency.
Customer-proven performance and global momentum
WiseWare 1.1 supports a broad power range from 100W to 1.5kW, suiting a wide array of modern applications requiring both compactness and high energy efficiency.
Designed with flexibility in mind, WiseWare 1.1 works seamlessly with standard GaN across the full RDS(on) spectrum (drain–source on-resistance), giving power designers the freedom to choose the optimal transistor for each application — without compromising performance.
Typical applications include:
- high-efficiency AC-DC power converters;
- high-power-density designs;
- power supplies for servers;
- USB power delivery adapters for laptops and notebooks; and
- switch-mode power supplies for monitors and displays.
The WiseWare 1.1 platform has already demonstrated robust market validation, with multiple customer design-ins and live demos at PCIM Europe, one of the industry’s most prominent power- electronics exhibitions. These demonstrations showcased 300W totem-pole PFC converter boards using WiseWare 1.1 and WiseGan WI71060A transistors (RDS(on)=60mΩ), operating from 90–264VAC input to a 400VDC output. At the same time, technical collaborations are progressing in Asia, reinforcing the company’s global reach.
Wise-integration showcasing next-gen GaN power solutions at APEC
