Renesas Electronics Corporation

Renesas Electronics: AI Infra & Compute

The Rise of AI Servers and Inference Compute

> Total general server shipments are expected to grow modestly (~1.3x) from 2024 to 2030. In contrast, AI Server volumes are projected to scale dramatically, growing ~2.4x, effectively doubling in volume over the period.

> While GPUs have driven the initial training wave, the market is seeing a major pivot toward AI ASICs and CPUs as the industry shifts heavily toward inference. AI ASIC shipments are projected to grow ~3.0x by 2030, vastly outstripping GPU growth (~1.5x) and standard CPU growth (~1.7x).

Revenue Drivers and Renesas’ TAM Expansion

> The primary structural tailwinds include the grid-to-rack transformation, an increase in system complexity requiring advanced MCU control, and a crucial architectural shift to 800V and vertical power architectures.

> Growth is driven heavily by Digital Power, followed by Memory Interfaces, and other supporting MCU components.

The Power Bottleneck: Grid-to-Core Architecture

> Grid Level: Managing power via Solid State Transformers (SST), Energy Storage Systems (ESS), and Uninterruptible Power Supplies (UPS) using Digital Controllers and high-voltage GaN (Gallium Nitride).

> Rack Level: Stepping down power using 800V DC/DC converters, hot-swap controllers, and Power Supply Units (PSUs).

> xPU Board Level: Delivering ultra-low voltage and high current directly to the processor via memory interfaces, high-speed optical module PMICs, and complex Vcore stages (utilizing integrated voltage regulators to optimize space and efficiency).

Exponential Power Demand Metrics

> Next-gen AI racks are projected to consume >1 megawatt (MW) of power, driving a >10x increase in power content per rack.

> The AI Infra & Compute Power TAM is scaling almost exponentially toward 2030, with Voltage Regulator Modules (VRM) making up the vast majority of this value, followed by Intermediate Bus Converters (IBC) and AC/DC stages.

> A single example leading next-gen AI board showcases the sheer complexity involved, requiring a GPU power solution with >10 Digital controllers and >100 Smart power stages, alongside a 48V IBC solution utilizing >30 MOSFETs. Dense packing drastically raises thermal constraints, making thermal performance and current density the ultimate competitive battlegrounds for silicon providers.

This is bullish for many power semi names. $STMicroelectronics NV(STM.US) $Infineon Technologies(IFNNY.US) $Texas Instruments(TXN.US) $ON Semiconductor(ON.US) $Wolfspeed(WOLF.US)