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Power Integrations and Nvidia are collaborating to accelerate the transition to 800VDC power for AI data centers, using high‑voltage PowiGaN switches to cut transmission losses, increase energy efficiency, and enable megawatt‑scale racks with smaller form factors and improved thermal resilience.
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800VDC reduces internal transmission losses and boosts efficiency in large AI data centers.
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Power Integrations supplies 1250V and 1700V PowiGaN devices designed for main and auxiliary power supplies.
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1250V PowiGaN devices exceed 98% efficiency; 1700V devices support 1000 VDC inputs with >90% system efficiency in specific configurations.
800VDC power for AI data centers: Learn how Power Integrations and Nvidia aim to boost energy efficiency with PowiGaN switches — read the full report and implications.
Published: October 13, 2025 · Updated: October 13, 2025 · By COINOTAG
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How does 800VDC power benefit AI data centers?
800VDC power for AI data centers lowers internal transmission losses compared with lower‑voltage AC/DC architectures, enabling higher energy efficiency and denser rack designs. The approach reduces copper usage, simplifies rack power topology, and supports megawatt‑scale GPU racks with improved thermal and reliability characteristics.
What role do Power Integrations’ PowiGaN chips play in this transition?
Power Integrations provides high‑voltage gallium nitride (GaN) switches—marketed as PowiGaN—engineered for the elevated voltages and power densities demanded by modern AI server farms. According to the company’s white paper and statements at the 2025 OCP Global Summit, the 1250V devices exceed 98% efficiency versus conventional 650V GaN FETs and 1200V silicon carbide parts, while integrated 1700V parts enable 1000 VDC input operation with system efficiencies above 90% in fanless, liquid‑cooled 800V architectures.
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Power Integrations, headquartered in California, highlighted the PowiGaN roadmap and the new InnoMux 2‑EP integrated circuits at the OCP Global Summit in San Jose. The firm positions the 1250V PowiGaN family as a higher‑efficiency, smaller‑form‑factor alternative that increases power density for both primary and auxiliary supplies in AI racks. The InnoMux 2‑EP ICs incorporate integrated 1700V PowiGaN switches to support higher DC inputs while aiming to preserve system‑level efficiency in demanding thermal environments.
What evidence supports the efficiency claims?
The company released performance data in a white paper presented at the 2025 OCP Global Summit and commented on the collaboration in media interviews. The white paper reports >98% efficiency for the 1250V PowiGaN devices compared with legacy 650V GaN FETs and 1200V SiC parts, citing reduced conduction and switching losses at elevated DC voltages. Independent coverage and interviews with company executives are available from news outlets and industry conference materials (plain text references only).
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Frequently Asked Questions
How soon could AI data centers adopt 800VDC architectures?
Adoption timelines vary by operator, but industry participants cited pilot deployments and standardization efforts in 2025–2026. Conversion requires rack redesign, compatible server power supplies, and validated cooling strategies. Early adopters are likely to be hyperscalers and AI‑focused facilities.
Will 800VDC affect equipment compatibility or safety?
Yes. Higher DC voltages require redesigned power conversion stages, insulation and connector upgrades, and updated safety procedures. Vendors like Power Integrations are developing components and reference designs to ease integration and maintain reliability under higher voltage operation.
Key Takeaways
- Efficiency gains: 800VDC distribution reduces transmission losses and can improve rack‑level energy utilization.
- PowiGaN performance: 1250V PowiGaN devices claim >98% efficiency; 1700V variants enable higher input tolerances with >90% system efficiency in specific designs.
- Market impact: The Nvidia–Power Integrations collaboration signals growing momentum toward high‑voltage DC architectures for megawatt‑scale AI racks; investors and operators will monitor pilot results and standardization progress.
Conclusion
The collaboration between Power Integrations and Nvidia advances the industry conversation on 800VDC power for AI data centers by pairing high‑voltage PowiGaN switches with rack‑scale design initiatives. Citing white papers and conference disclosures, the companies report meaningful efficiency and density improvements that could reshape data center power distribution. Stakeholders should watch pilot deployments and vendor reference designs for practical validation and timelines.
Sources: Power Integrations press release and white paper (OCP Global Summit 2025), company statements (interview comments), and industry reporting by major news services (plain text references; no external links provided).
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Source: https://en.coinotag.com/power-integrations-and-nvidia-collaboration-could-advance-800vdc-ai-data-centers-using-powigan/
