Introduction: CISSOID is a semiconductor device manufacturer headquartered in Belgium, specializing in providing standard products and customized solutions for power management, power conversion, and signal conditioning in extreme temperatures and harsh environments. CISSOID has a powerful combination of semiconductor products and evaluation kits, including high-temperature isolated gate drivers and high-voltage SiC MOSFET switches. Other products include DC-DC converters and linear regulators, power driver ICs, general-purpose ICs, and discrete components. Its product performance is reliable and can operate within the temperature range of -55 ° C to+225 ° C, as well as beyond this range. Its performance will not be affected whether it is at the lowest point in the low-temperature zone or the highest point in the high-temperature zone. The product can be widely used in aviation, aerospace, oil extraction, smart grid, power transmission and distribution, motor drive, electric locomotive traction, renewable energy production, uninterruptible power supply, hybrid and electric vehicles, high-speed rail and other fields. It can provide customers with ready-made power management, power conversion and signal conditioning products and solutions under extreme temperature and harsh conditions.