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High-Voltage Power Distribution Reference Board for 800 V AI Server Power Systems

Quelle: Pressemitteilung 2 min Lesedauer

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Infineon Technologies AG
congatec GmbH
RECOM Power GmbH
Caltest Instruments GmbH

A power distribution reference board supports evaluation of ±400 V and 800 V architectures for AI server racks. It combines protection, power conversion and telemetry, with an output power of up to 12 kW.

With a footprint of 480 mm × 125 mm, the Infineon HV PDB supports both ±400 V and 800 V distribution architectures and delivers an output power of up to 12 kW.(Bild: Infineon Technologies AG)
With a footprint of 480 mm × 125 mm, the Infineon HV PDB supports both ±400 V and 800 V distribution architectures and delivers an output power of up to 12 kW.
(Bild: Infineon Technologies AG)

Infineon Technologies is introducing its High-Voltage Power Distribution Board (HV PDB), a reference design for high-voltage power supply architectures in AI data centers. The reference board allows customers to evaluate ±400 V and 800 V power distribution systems and prepare their deployment. As a system-level platform, the HV PDB integrates high-voltage protection, intermediate bus conversion, power regulation and telemetry management onto a single board. This enables designers to assess development complexity and time-to-market while gaining insights into system efficiency, protection behavior and power orchestration. The platform is designed for high-voltage power supply architectures in AI server racks.

With a footprint of 480 mm × 125 mm, the HV PDB supports both ±400 V and 800 V distribution architectures and delivers an output power of up to 12 kW. It includes input fuses, a dual hot-swap module, EMI filtering, two 6 kW high-voltage IBC modules (±400 V to 50 V) and two regulated 2.5 kW IBC modules (48 V to 12 V). The dual hot-swap module supports up to 32 kW and provides controlled startup, fault isolation, telemetry monitoring and system protection. Fully gallium nitride (GaN)-based HV IBC modules achieve a peak efficiency of up to 98.5 percent, followed by regulated 12 V conversion stages. The dedicated MCU board manager based on the PSOC™ 3 handles telemetry, system monitoring and energy management. In addition, the platform combines Infineon’s silicon, silicon carbide (SiC), and GaN technologies in an integrated high-voltage power conversion solution for AI servers and data centers.

With a footprint of 480 mm × 125 mm, the Infineon HV PDB supports both ±400 V and 800 V distribution architectures and delivers an output power of up to 12 kW.(Bild: Infineon Technologies AG)
With a footprint of 480 mm × 125 mm, the Infineon HV PDB supports both ±400 V and 800 V distribution architectures and delivers an output power of up to 12 kW.
(Bild: Infineon Technologies AG)

The HV PDB also serves as a modular evaluation platform, allowing developers to operate the entire power chain or isolate individual stages for architectural studies. Telemetry and PMBus connectivity enable system-level monitoring and coordination, while a PSOC evaluation board interface allows developers to implement custom firmware. Alternative IBC modules, EMI filter configurations and power management approaches can also be evaluated. This modular approach provides insights into the startup sequence, fault behavior and overall system performance. The HV PDB is designed to accommodate industry-standard half-brick HV IBC and quarter-brick MV IBC power converter modules with standardized pinouts, providing customers with the option to use alternative, drop-in compatible solutions according to their specific system requirements.

Availability

Infineon’s high-voltage power distribution board will be available in November 2026 and presented at electronica 2026 in Munich from November 10 to 13 (hall C3, booth 502). (mr)

(ID:51000702)

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