Bipolar transistors

Diodes

ESD protection, TVS, filtering and signal conditioning

MOSFETs

SiC power devices

GaN FETs

IGBTs

Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)

Motherboard / AI accelerator board

High-performance motherboards and AI accelerator boards form the foundation of modern datacenter servers, enabling the compute power required for AI, cloud and high-speed networking workloads. These platforms host, power and interconnect critical components such as processors, memory, storage and communication interfaces, while supporting accelerator integration via PCIe or dedicated trays. As system power architectures evolve from 12 V / 48 V towards 400 V / 800 V for next-generation high-density racks, designers must address increasing demands for efficient power conversion, robust input protection, and high-speed signal integrity to ensure scalable, reliable performance.

  • Block diagram
  • Design considerations
  • Design resources
  • Product listing
  • Support

Block diagram

Inputprotection Powermanagement Gate driver Signalprocessing Commsinterface Power distribution unit (PDU) Fans / Cooling NetworkingNICs Storage PCIe CPU aaa-045961 12 V 48 V Highlighted components are Nexperia focus products.

Power Distribution unit (PDU)​

Networking and NICs

Select a component

To view more information about the Nexperia components used in this application, please select a component above or click on a component (highlighted in blue) in the block diagram.

Design considerations

  • The motherboard hosts, powers and interconnects processors, memory, storage and networking, requiring efficient power distribution and high signal integrity across dense layouts
  • AI accelerators can be deployed on dedicated trays or connected via PCIe, requiring scalable power delivery and robust high-speed interconnect support
  • Supply rails typically range from 12 V, 48 V or 54 V, with future systems moving toward 400 V and 800 V to improve distribution efficiency in high-power racks
  • Power input protection must address surge, reverse polarity and inrush current using TVS diodes, ideal diodes, eFuses and hot-swap controllers, protecting both the server and the supply
  • Power management requires multiple high-efficiency DC-DC converters with integrated switching to generate accurate voltage rails for processors and peripheral components
  • Communication interfaces require low-capacitance ESD protection to maintain signal integrity, while buffers and transceivers support longer traces and reliable board-to-board communication