Navitas Unveils World's First 8.5kW AI Data Center Power Supply Using GaN and SiC Technology

Navitas Introduces Revolutionary Power Supply for AI Data Centers

Navitas Semiconductor, a leader in next-generation power semiconductor technology, has unveiled the world's first 8.5 kW power supply unit (PSU) designed specifically for AI and hyperscale data centers 1

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. This groundbreaking PSU, which achieves an impressive 98% efficiency, utilizes advanced gallium nitride (GaN) and silicon carbide (SiC) technologies to meet the growing power demands of artificial intelligence infrastructure.

Cutting-Edge Technology and Specifications

The new PSU incorporates several innovative features:

• Compliance with Open Compute Project (OCP) and Open Rack v3 (ORv3) specifications
• Utilization of high-power GaNSafe™ and Gen-3 Fast SiC™ MOSFETs
• 3-phase interleaved PFC and LLC topologies for optimal efficiency and performance
• Input voltage range of 180 to 264 Vac
• Standby output voltage of 12 V
• Operating temperature range of -5°C to 45°C
• Hold-up time of 10 ms at 8.5 kW, extendable to 20 ms 1

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Advantages Over Competing Systems

Navitas' PSU offers significant improvements compared to existing solutions:

• 25% reduction in the number of GaN and SiC devices, lowering overall costs
• Industry's lowest ripple current and EMI due to 3-phase topology
• Enhanced reliability and robustness through integrated control, drive, sensing, and protection features 2

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GaNSafe™ and Gen-3 Fast SiC™ Technologies

The PSU's performance is largely attributed to two key technologies:

1. GaNSafe™: Specifically designed for high-power applications, offering features such as short-circuit protection, 2kV ESD protection, and programmable slew rate control 1

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2. Gen-3 Fast SiC™ MOSFETs: Utilizing 'trench-assisted planar' technology, these components deliver superior performance over temperature, enabling faster-charging EVs and more powerful AI data centers 2

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Addressing AI Infrastructure Challenges

Gene Sheridan, CEO and co-founder of Navitas, highlighted the significance of this development: "As many as 95% of the world's data centers cannot support the power demands of servers running NVIDIA's latest Blackwell GPUs, highlighting a readiness gap in the ecosystem. This PSU design directly addresses these challenges for AI and hyperscale data centers" 1

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Future Developments and Industry Impact

Navitas' AI power roadmap extends beyond the current 8.5kW PSU, with plans to reach 12kW and higher in the near future. This advancement is crucial for supporting the increasing power requirements of AI and machine learning applications, potentially revolutionizing data center infrastructure 1

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The new PSU will make its debut at Electronica 2024 in Munich, Germany, from November 12-15, showcasing Navitas' commitment to driving innovation in power semiconductor technology for AI and other high-demand applications 2

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