What onsemi makes for data centers
public · HQ Scottsdale, United States · onsemi.com
onsemi makes power semiconductors for data-center power delivery: EliteSiC silicon carbide MOSFETs and JFETs, GaN transistors, PowerTrench MOSFETs, point-of-load buck regulators and Vcore power ICs used in board-level power stages, power shelves and PSUs across the chain from grid input to the GPU.
Listing
US exchanges (NYSE/Nasdaq): ON· 72.25 USD -1.19% · mkt cap 28.1B USD
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
4 parts across 2 layers
No disclosed data-center revenue share on file.
Parts, by layer
Layer 4 — Servers, racks & integration
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Board-level power: VRMs, power stages, PoL, power semis | manufacturer | inferred | Alpha & Omega, Analog Devices, Delta Electronics, Infineon, Monolithic Power Systems, Renesas | |
| GaN and SiC inside | manufacturer | inferred | Infineon, Navitas, Wolfspeed, EPC |
Layer 7 — Electrical: power distribution (grid to rack)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| 800 V DC architecture & solid-state transformers | manufacturer | inferred | Schneider Electric, ABB, Coherent, Delta Electronics, Eaton, Flex | |
| IGBT and SiC modules | manufacturer | inferred | Fuji Electric, Infineon, Mitsubishi Electric, Wolfspeed, Semikron Danfoss |
Where onsemi sits in the stack
onsemi's placements in this catalog cover 4 parts, from layer 4 (servers, racks & integration) to layer 7 (electrical: power distribution (grid to rack)). None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Board-level power: VRMs, power stages, PoL, power semis — The voltage regulator modules and point-of-load converters that step rack-level DC power down to the precise, high-current voltages each GPU and chip needs at the board.
- GaN and SiC inside — Wide-bandgap gallium-nitride and silicon-carbide power devices used inside the power shelf's AC-DC and DC-DC conversion stages for higher efficiency and power density than silicon.
- IGBT and SiC modules — Silicon and silicon-carbide power semiconductor modules that perform the AC-DC-AC conversion inside a UPS.
- 800 V DC architecture & solid-state transformers — An emerging DC power distribution architecture, using 800 V DC in place of the AC busbar and power-shelf approach current racks use, paired with solid-state transformers (SSTs) that could replace multiple stages of conventional AC transformation.
Closest peers in this catalog
Seen in real machines
onsemi is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- PSU power semis (GaN/SiC)
Disclosed customers
Latest feed
- Onsemi and Sungrow deepen battery storage tie-up as demand rises for grid power — DigiTimes, 2026-10-15Onsemi's EliteSiC hybrid power modules are being integrated into Sungrow's PowerTitan 3.0 energy storage platform to enhance efficiency and reliability for utility-scale battery systems.
- Onsemi puts power density at the center of its next-decade strategy — DigiTimes, 2026-09-17Onsemi plans to leverage its semiconductor expertise to move into integrated power systems, focusing on improving power density, heat management, and overall efficiency in data centers.
- onsemi Embedded Power Platform Announced — ServeTheHome, 2026-09-16onsemi unveiled its new Embedded Power Platform designed for AI racks, automotive, and industrial uses.
- Onsemi unveils its Embedded Power Platform architecture to increase power density — Data Center Dynamics, 2026-09-16Onsemi introduced an Embedded Power Platform architecture utilizing the silicon wafer itself for embedding components and increasing power density.
Questions about onsemi
- What does onsemi make for AI data centers?
- This catalog places onsemi on 4 parts: Board-level power: VRMs, power stages, PoL, power semis (manufacturer), 800 V DC architecture & solid-state transformers (manufacturer), GaN and SiC inside (manufacturer) and IGBT and SiC modules (manufacturer).
- Is onsemi publicly traded?
- Yes — onsemi is listed on US exchanges (NYSE/Nasdaq) under ON. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is onsemi based?
- Scottsdale, United States, per the company record in this catalog.
- Who else makes board-level power: VRMs, power stages, PoL, power semis for AI data centers?
- Alpha & Omega, Analog Devices, Delta Electronics, Infineon, Monolithic Power Systems and Renesas are also placed on Board-level power: VRMs, power stages, PoL, power semis in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For onsemi the mix is 4 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.
Verification: enriched, last verified 2026-08-27. Sources: www.onsemi.com.· Markdown · JSON