What Rohm makes for data centers
public · HQ Japan · rohm.com
Rohm is a publicly listed company and based in Japan. It appears on 2 parts of the AI data center — Board-level power: VRMs, power stages, PoL, power semis and 800 V DC architecture & solid-state transformers — in the role of manufacturer. Those parts sit in Layer 4 — Servers, racks & integration and Layer 7 — Electrical: power distribution (grid to rack). Its shares trade on Tokyo Stock Exchange as 6963.T.
Parts, by layer
Layer 4 — Servers, racks & integration
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Board-level power: VRMs, power stages, PoL, power semis | manufacturer | disclosed | Alpha & Omega, Analog Devices, Delta Electronics, Infineon, Monolithic Power Systems, Renesas |
Layer 7 — Electrical: power distribution (grid to rack)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| 800 V DC architecture & solid-state transformers | manufacturer | disclosed | Schneider Electric, ABB, Coherent, Delta Electronics, Eaton, Flex |
Where Rohm sits in the stack
Rohm's placements in this catalog cover 2 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.
- 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
Questions about Rohm
- What does Rohm make for AI data centers?
- This catalog places Rohm on 2 parts: Board-level power: VRMs, power stages, PoL, power semis (manufacturer) and 800 V DC architecture & solid-state transformers (manufacturer).
- Is Rohm publicly traded?
- Yes — Rohm is listed on Tokyo Stock Exchange under 6963.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Rohm based?
- Japan, 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 Rohm the mix is 2 disclosed. "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.