Iron Device
Iron Device Corporation (KOSDAQ: 464500) is a Seoul-based fabless semiconductor company designing mixed-signal SoC audio amplifiers and GaN power gate drivers for smartphones, automotive AI dashcams, smart speakers, EVs, and humanoid robotics, supplying global OEMs including Samsung since 2017.
- Company typePublic
- Founded2008
- HeadquartersSeoul, South Korea
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Iron Device does
Iron Device Corporation (KOSDAQ: 464500) is a South Korean fabless semiconductor company founded in 2008 and headquartered in Seoul, specializing in mixed-signal System-on-Chip (SoC) solutions that integrate analog, digital, and power signal processing on a single chip. Its product portfolio is anchored by Smart Power Amplifier (SMA) audio ICs spanning display sound amplifiers, boosted speaker amplifiers (2.1W–7W), HiFi headphone amplifiers, and Class D amplifiers with integrated DSP up to 2x50W, plus mobile haptic drivers. The company has expanded into compound semiconductors with GaN (Gallium Nitride) gate driver ICs—SMA6533 and SMA6534, the latter marketed as the world's smallest GaN half-bridge driver at 4.9mm x 5.0mm—targeting 48V power systems for robotics, EVs, and data centers.
The company's revenue model is primarily B2B hardware sales of chips, with direct supply to major global smartphone OEMs (a relationship with Samsung dating to 2017, with direct proprietary product supply beginning 2021), and indirect distribution via Taiwan partners reaching North American automotive AI dashcam and platform customers. A secondary revenue stream from technology licensing and IP registration (including the SMA1307 driver in Linux kernel 6.13+) is emerging. The company sells reference and evaluation boards directly through its e-commerce storefront ($85–$360 per unit) for engineering design-in. Pricing for volume semiconductor orders is quote-based under multi-year contracts.
Iron Device is publicly listed on KOSDAQ following a 2024 IPO and 120 billion KRW Series B funding. The company has 11–50 employees and reported 2025 revenue of 101 billion KRW (up 21% YoY from 84 billion KRW in 2024), with Q1 2026 revenue of 47 billion KRW representing a 4x year-over-year increase. Its customer base spans mobile devices (smartphones, tablets, wearables), automotive/AI dashcam (AEC-Q100 certified, cumulative 2 million units of SMA1307A-F shipped), smart speakers, smart home/IoT, and emerging humanoid robotics through the K-Humanoid Alliance and a national EV power module R&D consortium.
Iron Device firmographics
Firmographics- Name
- Iron Device
- Legal name
- (주)아이언디바이스
- Website
- https://irondevice.com
- Company type
- Public
- Founded year
- 2008
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Iron Device Corporation (KOSDAQ: 464500) is a Seoul-based fabless semiconductor company designing mixed-signal SoC audio amplifiers and GaN power gate drivers for smartphones, automotive AI dashcams, smart speakers, EVs, and humanoid robotics, supplying global OEMs including Samsung since 2017.
- Ownership category
- akta.pro rank
Iron Device industry classification
Industry- Product category
- Mixed-Signal Audio and Power Semiconductor SoCs
- NAICS
- Semiconductor and Related Device Manufacturing (334413), Semiconductor and Other Electronic Component Manufacturing (3344)
- SIC
- Semiconductors & Related Devices (3674)
- akta.pro primary industry
- Power Management & Power Conversion ICs (PMIC/DC‑DC/AC‑DC/Gate Drivers) (HDAHABAE)
- akta.pro secondary industries
- Motor Control & Driver ICs (Gate Drivers/BLDC Drivers) (HDAHAIAH), High-Voltage, Power Discretes & Modules (IGBT/MOSFET/SiC/GaN) (HDAHAAAK)
Keywords
Where Iron Device is headquartered
LocationHeadquarters
- HQ city
- Seoul
- HQ country
- South Korea
- HQ region
- Asia
Offices1 record
Markets served
Iron Device business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Supply Chain, Personnel, Operations, Marketing or Sales
Revenue model
- Semiconductor Product Sales: Sale of mixed-signal SoC semiconductor chips including Smart Power Amplifiers (audio ICs) and GaN gate driver ICs. Primary revenue from direct B2B sales to smartphone manufacturers and automotive electronics suppliers. Revenue model is one-time hardware sale per chip unit.
- Technology Licensing and IP: Company has developed and registered proprietary IP including Linux open-source drivers and mixed-signal SoC technologies. Potential for licensing revenue through technology verification with global foundries and IP integration partnerships.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Reference/evaluation boards for design-in |
| Other | Multi-year contract | Enterprise semiconductor chip pricing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
Iron Device product offering
Product offeringCore offering
Iron Device designs and sells mixed-signal SoC semiconductor ICs, with a primary focus on Smart Power Amplifier audio chips (boost speaker amplifiers, headphone amplifiers, Class D amplifiers, AI speaker amplifiers, haptic drivers) for mobile phones, tablets, smart speakers, and hearables. The company also produces GaN (Gallium Nitride) power semiconductor gate driver ICs (SMA6533 and SMA6534) targeting robotics, EV power modules, and data center applications. As a fabless semiconductor company, it supplies chips directly to global smartphone OEMs and indirectly via Taiwan partners to automotive AI platform customers.
Product overview
Iron Device Corporation provides unified audio solutions for smart devices, specializing in mixed-signal SoC semiconductors. The product portfolio centers on Audio ICs including Display Sound Amplifiers, Boosted Speaker Amplifiers (2.1W-7W range), HiFi Headphone Amplifiers, and Class D Audio Amplifiers with integrated DSP (up to 2x50W). The company also offers AI Speaker Audio Amplifiers with 8-channel mic integration and 2x50W output, High Power Amplifier systems (up to 150W per channel), and Mobile Boosted Haptic Drivers. Expanding into compound semiconductor territory, Iron Device has developed GaN Gate Driver ICs (SMA6533 and SMA6534) targeting 48V power systems for robotics, EVs, and data centers. The product lineup is complemented by predictive-control and ML-based smart power amplifiers with Linux open source driver support, enabling application expansion from mobile phones to tablets, wearables, smart speakers, smart home devices, automotive, and humanoid robots.
Differentiator
Problem solved
Functional benefit
Products and services
- 6101 Display Sound Amplifier Piezo speaker enhanced digital speaker amplifier IC for mobile phones, tablets, wireless mobile speakers, and laptops.
- 1301/1303/1305/1307A Series Boosted Speaker Amplifier 2.1W to 6W boost digital speaker amplifiers with feedback loop for mobile audio, wireless audio, and tablets.
- 1221/1241/1232/1233 HiFi Headphone Amplifier High performance and high-fidelity stereo headphone amplifiers with negative charge pump and bypass switches for flat panel TVs and wireless audio products.
- 1502/1504/1506/1506A Class D Audio Amplifier with DSP 2x30W to 2x50W digital and analog input closed-loop Class D audio amplifiers with integrated audio DSP for Bluetooth/smart speakers, soundbars, digital TVs, and car A/V systems.
- 5311 AI Speaker Audio Amplifier 8-channel microphone and 2x50W one-chip solution AI speaker audio amplifier for smart speakers and wireless speakers.
- 2501/2502/2503 Series Power Amplifier 150W 2-channel full digital audio amplifier power stage for soundbars, A/V receivers, home entertainment, and smart TVs.
- 7101/7001 High Power Audio Amplifier System High power audio amplifier system driver IC and control IC for HiFi speakers, studio speakers, and PA speaker systems.
- 6131 Mobile Boosted Haptic Driver 7W mobile boosted haptic driver with V/I sensing for wireless mobile LRA (Linear Resonant Actuator) vibration motors.
- SMA6533 GaN Gate Driver IC High-performance GaN power device gate driver IC with approximately 20ns propagation delay and ±2ns delay matching precision, in a 1.71mm x 1.71mm WLCSP package. Targets robotics, autonomous vehicles, data centers, and high-power audio applications, enabling single-layer substrate mounting through world-first diagonal placement technology.
- SMA6534 Half-Bridge GaN Driver IC World's smallest GaN power semiconductor with integrated half-bridge driver IC, ~24ns propagation delay, ±2ns matching, and 4.9mm x 5.0mm ultra-compact FoWLP package (approximately 40% smaller than global competitors). Targets 48V power systems for robotics, EV, and data center applications.
- SMA1307 Smart Power Amplifier Predictive control method Smart Power Amplifier with Linux open-source driver support (Linux kernel 6.13+) for mobile, IoT, and automotive applications. First Korean audio semiconductor company to register drivers in the Linux official driver repository.
- SMA1309 Smart Power Amplifier Next-generation strategic Smart Power Amplifier with precision sensing algorithm and high-efficiency boost technology, designed to deliver distortion-free high-power sound for smartphone and mobile audio applications.
- SMA1307A-F Automotive Smart Power Amplifier AEC-Q100 certified automotive-grade Smart Power Amplifier for AI dashcam applications, with cumulative sales exceeding 2 million units. Designed to operate stably in harsh automotive environments for AI dashcam audio and on-device AI systems.
- High-Voltage SoC for Film Ceramic Actuator High-voltage SoC delivering 80Vpp output with up to 8A current for driving film-type ceramic actuators (Piezo speakers), capable of driving capacitive loads over 10uF with built-in protection against overcurrent, overtemperature, and voltage droop. Targets display sound and piezo speaker applications.
Quantifiable outcome
- GaN 게이트 드라이버 시장 유일 국내 공급 업체 (TI, 인피니언 대비)
- +3 more outcomes
Companies that use Iron Device
Customer profileNamed customers4 records
Segments6 records
Ideal customer profiles4 records
Iron Device technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability6 records
Feature5 records
Iron Device partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and minor.
- 세미파워렉스 (Semipowerlex)coreConsortium partner in national R&D project for EV power module technology development. Iron Device serves as joint R&D institution alongside Korea Automotive Technology Institute, Korea Electronics Technology Institute, Seoul National University Industry-Academia Partnership, and Hanyang University. Project targets 'Full-Bridge 650V GaN Module with integrated driver circuit' development.
- 한국자동차연구원 (KATRI)minorConsortium partner in national EV power module project. Collaborating on development of 2.5kV dual-channel isolated GaN gate driver for EV on-board chargers and fast charging infrastructure.
- 한국전자기술研究院 (KETI)minorConsortium partner in national EV power module project for GaN-based power semiconductor development.
- 서울대학교산학협력단minorConsortium partner in national EV power module project. Academic partner for GaN power semiconductor research.
- 한양대학교산학협력단minorConsortium partner in national EV power module project. Academic partner for GaN power semiconductor research.
- 산업통상자원부 - 시스템반도체 수요연계 온라인플랫폼 지원사업coreSelected as development institution for high-voltage SoC development for film ceramic actuator driving. Partnered with global ceramic specialty materials company as demand institution. Project aims to develop 80Vpp high-voltage, 8A current SoC for Piezo speaker applications in displays.
- K-휴머노이드 연합 (K-Humanoid Alliance)coreGovernment-led humanoid robot consortium under Ministry of Trade, Industry and Energy, operated by KEIT. Iron Device selected as new member to develop power control system semiconductors for humanoid robot actuator drives. Target: lightweight (under 60kg), high degrees of freedom (50+), high payload (20kg+), fast movement (2.5m/s+) robots by 2028.
- 액션파워 (Action Power)coreMOU signed for on-device AI solution development. Action Power develops lightweight AI models for edge inference, while Iron Device integrates these onto Smart Power Amplifier chips with AI-optimized NPU or implements via DSP/NPU at low-level on smartphone APs. Joint development targets voice recognition and LLM implementation on-device for smartphones and AI devices.
Scale indicators9 records
Recent moves9 records
Expansion highlights6 records
Iron Device competitors and assessment
Company assessmentDirect peers
- Dialog Semiconductor (Renesas): Dialog Semiconductor (now part of Renesas) was a direct competitor in audio ICs for smartphones and IoT, particularly in power management and mixed-signal audio solutions. Highly comparable customer base and product positioning.
- Realtek Semiconductor: Realtek is a direct competitor in audio amplifier ICs for consumer electronics including smartphones, tablets, smart speakers, and PC audio. Comparable product portfolio across class D amplifiers, headphone amplifiers, and codec solutions.
- AKM Semiconductor (Asahi Kasei Microdevices): AKM is a direct competitor in audio DACs, ADCs, and audio amplifier ICs for consumer electronics including smartphones, smart speakers, and headphones. Comparable mixed-signal audio IC product portfolio and customer segments.
- Cirrus Logic: Cirrus Logic is a direct competitor in audio ICs for smartphones, supplying smart codecs, haptic drivers, and boosted amplifiers to major smartphone OEMs. Highly comparable business model and customer base to Iron Device's mobile audio amplifier business.
Broad incumbents
- STMicroelectronics: STMicroelectronics is a broad incumbent in power semiconductors including GaN devices, automotive power management, and industrial applications. Comparable product portfolio in GaN gate drivers and AEC-Q100 qualified automotive ICs.
- Texas Instruments: Texas Instruments is the dominant global supplier of GaN gate driver ICs and broader power management ICs, competing head-to-head with Iron Device's SMA6533/SMA6534 products. As a broad incumbent, TI offers overlapping capabilities across power management, analog, and embedded processing.
- Infineon Technologies: Infineon is a leading global power semiconductor company with strong GaN and SiC portfolio, directly competing with Iron Device in GaN gate drivers and EV/data center power applications. Broad incumbent with significantly greater resources and customer relationships.
- ROHM Semiconductor: ROHM is a broad incumbent in power semiconductors including GaN and SiC devices, with established automotive and industrial customer relationships. Comparable product portfolio in gate drivers and power management ICs.
- Qualcomm: Qualcomm's audio codec and amplifier solutions are integrated into smartphone application processors, representing both a competing solution and potential partner for Iron Device's on-device AI initiative. Broad incumbent with smartphone OEM relationships.
- ON Semiconductor: ON Semiconductor is a broad incumbent in power semiconductors with GaN/SiC portfolio targeting EV, industrial, and data center applications. Directly comparable GaN gate driver and EV power module product lines.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Iron Device social profiles
Digital presenceIron Device compliance and trust
Trust signalCompliance1 record
Iron Device financial estimates
Financial estimateRevenue estimate
Valuation estimate
Iron Device leadership team
Management profileNumber of profiles
Profiles5 records
Iron Device funding detail
Funding detailFunding overview
Funding rounds2 records
Investors9 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Iron Device M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Iron Device
What does Iron Device do?
Iron Device designs and sells mixed-signal SoC semiconductor ICs, with a primary focus on Smart Power Amplifier audio chips (boost speaker amplifiers, headphone amplifiers, Class D amplifiers, AI speaker amplifiers, haptic drivers) for mobile phones, tablets, smart speakers, and hearables. The company also produces GaN (Gallium Nitride) power semiconductor gate driver ICs (SMA6533 and SMA6534) targeting robotics, EV power modules, and data center applications. As a fabless semiconductor company, it supplies chips directly to global smartphone OEMs and indirectly via Taiwan partners to automotive AI platform customers.
Is Iron Device a public or private company?
Iron Device is a public company. It is classified as public and is currently operating.
When was Iron Device founded?
Iron Device was founded in 2008. It employs 11 to 50 people.
Where is Iron Device based?
Iron Device is headquartered in Seoul, South Korea, in the Asia region.
How does Iron Device make money?
Two revenue lines are on record. Semiconductor Product Sales are the primary driver. The others are technology Licensing and IP.
Who are Iron Device's main competitors?
Direct peers on record are Dialog Semiconductor (Renesas), Realtek Semiconductor, AKM Semiconductor (Asahi Kasei Microdevices) and Cirrus Logic. Broad incumbents are STMicroelectronics, Texas Instruments, Infineon Technologies, ROHM Semiconductor, Qualcomm and ON Semiconductor.
Does Iron Device have an API?
No public API is recorded for Iron Device.
What industry is Iron Device in?
Iron Device's product category is Mixed-Signal Audio and Power Semiconductor SoCs. Its primary akta.pro industry code is HDAHABAE, Power Management & Power Conversion ICs (PMIC/DC‑DC/AC‑DC/Gate Drivers), with a secondary code of HDAHAIAH, Motor Control & Driver ICs (Gate Drivers/BLDC Drivers). Its NAICS code is 334413 and its SIC code is 3674.