Innovation you can trust
Erik Rein, Board Member Bosch Mobility Electronics with responsibility for the global semiconductor business
Electrification is more than a technological trend. It represents a new way of thinking about energy: more efficient, more compact, more reliable, and aligned with people’s needs. Power electronics determine the efficiency, cost, and everyday usability of electrical energy conversion, control, and use – whether in electric vehicles, charging and energy infrastructure, or data centers. This is precisely the area in which Bosch’s silicon carbide (SiC) semiconductors excel.
The chip itself is not the hero. What matters are the possibilities it offers.
SiC chips are small yet have a significant impact. They allow for more efficient electric driving, an increased driving range, a more compact assembly, and reduced energy loss. For electric vehicles, this means more usable power and greater confidence in electric mobility. Vehicle manufacturers gain new degrees of freedom in system design. Operators of energy-intensive applications find that electrical energy is easier to manage. The chip itself is not the hero. What matters are the possibilities it offers.
At Bosch, we have built a leading global position in SiC because innovation is not a one-off event for us but rather an industrial capability. We turn research into market-ready technology, technology into robust products, and products into reliable solutions for our customers. With the third generation of SiC chips, we are bringing this mindset to the market. The technology offers higher efficiency, greater robustness, and smaller chip areas. Most importantly, it represents mature technology that has proven itself not only in the lab but also in demanding applications.
This reliability does not happen by chance. It is based on a defined roadmap. While we are introducing the third generation to the market, our teams are already working on the next development steps. Each generation improves performance, robustness, and manufacturability further. This long-term perspective matters to our customers. Developing electric platforms today demands a vision spanning years, vehicle generations, and global volumes. This requires partners who deliver more than just components; they must also provide a resilient technological perspective and the ability to collaborate on development projects that often last several years.
An important step in this process is transitioning from 150-millimeter to 200-millimeter wafers. Though it may sound like a detail in manufacturing technology, it is in fact a key lever for scaling. Larger wafers allow for more chips per wafer, greater process stability, and a stronger foundation for competitive, high-volume applications. Therefore, SiC technology, which has been mostly visible in high-performance applications thus far, is moving toward larger vehicle segments and new markets. Innovation only becomes effective once it is scalable.
Our particular strength at Bosch lies in our understanding of both the semiconductor and its application. We don’t just develop the chip; we consider the entire impact chain from the start, including the SiC chip, power module, inverter, charging systems, vehicle electrical systems, and vehicle architecture. This system understanding is what sets us apart. After all, customer value is not created on a datasheet, but rather through the interplay of efficiency, cost, safety, and reliability.
This intersection is particularly important in electromobility. Bosch understands the requirements of the automotive industry: quality, a long service life, functional safety, industrialization, and a reliable supply. Our customers need to be able to trust that an innovation is not only powerful, but also reliably available. This trust is part of our performance proposition. We support solutions throughout their lifecycle by integrating manufacturing and application to ensure reliable and functional commissioning.
At the same time, the importance of SiC goes far beyond the powertrain. Wherever energy needs to be converted efficiently, new opportunities emerge: in industrial drives, renewable energy systems, uninterruptible power supplies, charging and energy infrastructure, and, in the future, data centers and other areas of grid and power electronics. As demand for electrical power grows, so does the need for semiconductors that reduce energy loss and make systems more compact, powerful, and reliable.
Our ambition is clear: Bosch aims to industrialize SiC technology to create tangible advantages for customers. This means noticeably higher efficiency, a greater driving range, more flexibility in system design, and greater operational reliability. To achieve this, we are investing in technology, manufacturing, locations, and the people in our teams. Reutlingen remains a key hub for our SiC semiconductor expertise. In Roseville, we are expanding our manufacturing capacity in the United States. This is how we combine innovation with industrial scaling and global supply capability.
Semiconductors are now a key strategic component of mobility, energy, and digital infrastructure. Those who master them will help shape the future of electric systems. Bosch combines the experience of a technology company, the discipline of an automotive partner, and the perspective of a system provider. This creates trust in the next generation of chips, the quality of our solutions, and in Bosch’s ability to reliably translate innovation into tangible market advantages for our customers.

