Wide Bandgap Semiconductors (SiC/GaN)
Silicon carbide (SiC) and gallium nitride (GaN)
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The key for the next essential step towards an energy-efficient world lies in the use of new materials, like wide bandgap semiconductors which allow for greater power efficiency, smaller size, lighter weight, lower overall cost – or all of these together. Infineon Technologies with its unique position of being the only company currently offering Si, SiC, IGBT and GaN devices, is the customer’s first choice in all segments.
CoolSiC™ - revolution to rely on in high voltage segments
The silicon carbide (SiC) bandgap of 3electronvolt (eV) gives a breakdown field significantly stronger than Si, and it also has vastly improved thermal conductivity. SiC tends to be used most extensively in high breakdown, high power applications that operate at high frequency. Compared to silicon, the device parameter change with temperature is far less pronounced on SiC. This allows designers to work within tighter margins in their designs, allowing extra performance to be delivered. Based on proven, high quality volume manufacturing, Infineon’s CoolSiC™ solutions combine revolutionary technology with benchmark reliability – for our customers’ success today and tomorrow. >Learn more
CoolGaN™ - bringing GaN technology to the next level
Gallium nitride (GaN) has an even higher bandgap (3.4 electronvolt) and substantially higher electron mobility than SiC. Compared to silicon (Si), the breakdown field is ten times higher and the electron mobility is double. Both the output charge and gate charge are ten times lower than with Si, and the reverse recovery charge is almost zero which is key for high frequency operations. GaN is the technology of choice in modern resonant topologies that enables and is enabling new approaches, including new topologies and current modulation. Infineon’s GaN solution is based on the most robust and performing concept in the market – the enhancement mode (e-mode) concept, offering fast turn-on and turn-off speed. CoolGaN™ products focus on high performance and robustness, and add significant value to a broad variety of systems across many applications such as server, telecom, wireless charging, adapter and charger, and audio. CoolGaN™ switches are ease-of-use and easy to design-in with the dedicated GaN drivers from Infineon. >Learn more
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