L&T Semiconductor Technologies has announced a strategic partnership with Taiwan’s Hon Young Semiconductor, a subsidiary of Foxconn, to develop and produce high-voltage silicon carbide (SiC) semiconductor wafers ranging from 650V to 3,300V for automotive, industrial, and electric vehicle (EV) applications.
This collaboration combines Hon Young’s advanced wafer fabrication expertise and facilities in Taiwan with L&T Semiconductor’s integration skills and power electronics domain knowledge, aiming to accelerate innovation for next-generation energy-efficient devices.
Fast-Track Production of Automotive-Grade SiC Wafers
The partnership covers the entire lifecycle from wafer design, performance validation, and quality assurance through to volume scaling.
By leveraging Hon Young’s fabrication infrastructure, L&T Semiconductor can fast-track the production and market delivery of robust, automotive-grade SiC wafers—crucial for EVs, industrial automation, and renewable energy systems.
This initiative is set to support India’s ambition to localize key segments of the semiconductor supply chain and reduce reliance on imports for advanced power components.
Strategic Significance
- Accelerates time-to-market for high-voltage SiC wafers.
- Addresses fast-growing needs in automotive electrification, power infrastructure, and industrial drives.
- Elevates India’s foothold in global semiconductor manufacturing.
The L&T–Hon Young partnership delivers several key benefits for electric vehicle (EV) manufacturers, especially in the areas of performance, supply reliability, and technology innovation.
Key Benefits for EV Makers
Access to Advanced SiC Wafers
EV makers gain reliable access to high-voltage silicon carbide (SiC) wafers (650V–3,300V), essential for efficient power conversion and high-performance electric drivetrains.
Improved Power Efficiency
SiC devices from this partnership offer lower losses and faster switching, resulting in greater energy efficiency, higher vehicle range, and faster charging capabilities for EVs.
Automotive-Grade Quality and Reliability
The combined expertise ensures automotive-grade quality, validated reliability, and adherence to stringent safety standards, supporting global OEM requirements for durability and performance.
Supply Chain Security
By localizing SiC wafer integration and leveraging Hon Young’s fabrication capacity, the partnership helps mitigate supply risks and dependency on imports, ensuring steadier component availability for EV manufacturers.
Accelerated Innovation Cycles
Joint R&D and technology transfer drive faster product development and new feature introduction, enabling EV makers to adapt quickly to evolving market demands and regulatory standards.
This partnership signals a stronger push into the critical supply chain for electrification platforms, positioning both companies at the forefront of rapidly growing power semiconductor markets worldwide.
Leadership Comments
A spokesperson from L&T Semiconductor Technologies commented: “Our alliance with Hon Young Semiconductor marks a pivotal milestone in strengthening India’s capability in high-voltage power silicon development. The integration of global wafer manufacturing expertise will ensure our solutions meet the highest standards essential for automotive and industrial reliability. We believe this partnership will play a significant role in advancing electrification technologies that power everything from electric vehicles to industrial systems.”
Hon Young Semiconductor’s representative stated: “Collaborating with L&T allows us to tap into a wider market and push forward the quality and scalability of high-voltage SiC wafers. We look forward to driving sustainable innovation in automotive and industrial power sectors together.”
