01
Device Design
Semiconductor devices
CoreSiC™ · CoreIGBT™ based SiC MOSFET · SBD · IGBT design
About Us
Company Overview
Dicio Inc. designs high-voltage, high-current power semiconductor modules for the strategic industries that electrify energy — from electric vehicles and AI data centers to renewable energy, railway and smart grid systems.
CORPORATE OVERVIEW
Building the power at the heart
of future industries.
Power semiconductor solutions for tomorrow's industries.
Dicio designs power semiconductor devices and modules, delivering solutions that improve conversion efficiency and stability across AI data centers, electric mobility, renewable energy and ESS.
2021.09
Founded · Seoul HQ · Naju office
25+ years
Average core-team experience · Global IDM veterans
600–4500V
CoreSiC™ · CoreIGBT™ range · 10 package types
Korea's first
Domestic devices applied to ESS PCS and solar inverters
The power to make the future possible.
Connecting future industries with lower losses, from power generation to conversion and use.
02
Package & Module
Packaging · Modules
Discrete and power module design for electrical, thermal and system requirements
03
System Validation
System validation
Performance measured and optimized in real customer systems
04
Reliability & Quality
Reliability · Quality
Reliability backed by international standards and independent laboratory validation
01 · CORPORATE MISSION
We build the power
at the heart of
future industries.We build the power
at the heart of future industries.
Dicio designs power semiconductor modules that make AI data centers, electric mobility and intelligent industry possible.
The power to make the future possible
DICIO is Latin for ‘power’ and ‘authority’.
02 · CORPORATE VISION
Reducing energy loss at every stage of
the journeyReducing energy loss at every stage of the journey
Electricity is generated, transmitted, converted, and used. Dicio designs high-efficiency power semiconductors for every stage of the power journey.
Dicio technology connects
the entire power journeyDicio technology connects the entire power journey
01
Generate Generate
Renewables · ESS
Improving power conversion efficiency for solar, ESS and wind.
DICIO DELIVERS
PV inverterESS PCSWind
02
Transmit Transmit
DC grid
Supporting high-voltage transmission including HVDC, MVDC and STATCOM.
DICIO DELIVERS
HVDCMVDCSTATCOM
03
Convert Convert
Devices · Modules
Designing SiC MOSFET and IGBT-based devices and modules.
DICIO DELIVERS
Bare DieDiscreteModule
04
Consume Consume
AI · Mobility
Improving efficiency for AI data centers, EVs and charging infrastructure.
DICIO DELIVERS
AI data centerEVCharging
03 · CORPORATE FUTURE
From proven technology to tomorrow's power grids
Building on proven high-power technology, we meet the higher voltage and efficiency demands of AI, mobility and next-generation power grids.
Future Power Demand
AI Data Centers
415 → 950 TWh
2024 → 2030
Physical AI
Automation & robotics
Accelerating intelligent industry
Megawatt Charging
180 → 780 TWh
2024 → 2030
Growing Power Demand
AI adoption is accelerating data center electricity demand (TWh)
Source: IEA, Energy and AI (2025); Key Questions on Energy and AI (2024).
* Figures from 2026 onward are projections from the supplied data.
Dicio's Expansion Roadmap
INITIAL
High-power modules validated in power grids
CURRENT
Expanding the 1200–3300V Full SiC range
FUTURE
Expanding into 3.3–4.5kV DC grids
Building on technology proven today
Expanding into tomorrow's power grids