Infineon Technologies designs and manufactures semiconductors and system solutions. They operate through four segments: Automotive, Industrial Power Control, Power Management & Multimarket, and Chip Card & Security. In 2020, Infineon bought Cypress Semiconductor, a Californian chip manufacturer, and in 2023 it acquired GaN systems which house a broad portfolio of gallium nitride based power conversion solutions.

In 2024, Infineon opened a 200-mm silicon carbide power fab which includes gallium nitride epitaxy capabilities in Kulim, Malaysia. The first phase of investment amounted to 2 billion euros, with further investment in phase 2 potentially adding up to 5 billion euros. Infineon also expanded its silicon carbide and gallium nitride manufacturing capacity in Villach, Austria in 2023. It also announced in 2023 that it is investing 5 billion in a 300mm semiconductor manufacturing plant in Dresden, Germany.