DG Matrix, a Morrisville, North Carolina-based company that describes itself as a global leader in solid-state transformer solutions, has announced it has doubled the power output of its Interport multi-port solid-state transformer platform from 200 kW to 400 kW, achieving the increase within essentially the same power module footprint by using STMicroelectronics' silicon carbide technology.

The Performance Breakthrough

The capability jump was made possible through the use of silicon carbide, or SiC, devices supplied by STMicroelectronics, a global semiconductor company. According to DG Matrix, the Interport platform now delivers 400 kW while maintaining efficiency above 98.5 percent.

The company said the breakthrough was achieved without increasing the physical space requirements of the power module, a distinction it describes as increasingly critical for large-scale AI datacenter deployments where space and power density are tightly constrained.

The SiC components integrated into the Interport platform are the same advanced devices that STMicroelectronics supplies for electric vehicle powertrain applications, which DG Matrix characterizes as among the most demanding environments for power electronics. The company said the field experience accumulated through automotive deployment provides its datacenter and electrification customers with additional confidence in the reliability and performance of the underlying technology.

Collaboration Rooted in Academic Research

The partnership between DG Matrix and STMicroelectronics predates the founding of DG Matrix itself. Co-founder and Chief Technology Officer Dr. Subhashish Bhattacharya spent years developing power electronics applications using ST's devices before the company was established.

His work covered solid-state transformers for DC grid implementations, traction motor drives across multiple vehicle platforms, and DC-DC converters for auxiliary power systems.

Dr. Bhattacharya is a founding faculty member of both the FREEDM Systems Center and PowerAmerica, which is described as the U.S. Department of Energy's institute for wide bandgap and Gallium Nitride power electronics. Through his academic role, he helped shape a collaborative framework that facilitated exchanges between SiC device manufacturers, including STMicroelectronics, and leading research institutions.

DG Matrix said that more than a decade of combined industry and research experience is embedded in the Interport platform's product architecture.

Technical Support Beyond Component Supply

DG Matrix characterized its relationship with STMicroelectronics as extending beyond a standard component supply arrangement. ST has provided technical support, insights into relevant technology developments, and access to advanced SiC technologies to help DG Matrix optimize the use of the devices within the Interport platform.

In return, DG Matrix's application experience has contributed system-level requirements back to ST, including voltage, current, and thermal performance data relevant to future generations of power devices.

One specific technical attribute highlighted in the announcement is the surge current handling capability of ST's advanced SiC devices. DG Matrix noted this feature is particularly important for datacenter applications, where AI workload transients are placing increasingly stringent demands on power electronics systems.

The Market Context: 800 VDC and AI Infrastructure

The announcement was framed against a broader industry shift that DG Matrix argues is creating a substantial market opportunity. The company cited a report from SemiAnalysis titled "Inside the 800VDC Revolution," which projects that 800 VDC power architecture will underpin approximately 39 gigawatts of new datacenter capacity by 2030, representing what the report describes as a multi-billion-dollar opportunity for solid-state transformers.

As GPU rack power densities surge past 600 kW and hyperscalers accelerate their transition to 800 VDC power distribution, SemiAnalysis identifies solid-state transformers as the central enabling technology for that transition, according to DG Matrix's characterization of the report.

Rino Peruzzi, President of the Americas Region at STMicroelectronics, said the performance achieved by the Interport technology using ST's SiC devices opens new possibilities for efficient power infrastructure in AI datacenters and next-generation electrification. He added that ST has worked with DG Matrix since the company's early stages and indicated the collaboration would continue.

Haroon Inam, CEO and co-founder of DG Matrix, credited STMicroelectronics with providing technical engagement and access to advanced silicon carbide technology from the company's beginning. He said that support contributed to what he described as a power density breakthrough that defines the Interport's competitive position.

Inam also stated that DG Matrix believes its technology and product roadmap position the company to play a leading role in the emerging 800 VDC transition opportunity identified in the SemiAnalysis report.

Roadmap and Target Markets

As DG Matrix expands, the company said it is focusing on higher-voltage medium-voltage platforms and aims for higher-volume production across hyperscaler, neocloud, and electrification deployments worldwide. Future generations of SiC technology from STMicroelectronics are expected to support DG Matrix's ongoing product roadmap.

The Interport product family is described as supporting the development of scalable and resilient power infrastructure for AI datacenters, utility microgrids, and electrification applications.

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