Gallium nitride (GaN) ICs are not a specific brand but a category of semiconductor devices made from gallium nitride, a material known for its high efficiency and power handling capabilities. These ICs are produced by various companies worldwide, including leading manufacturers like Infineon Technologies (Germany), Texas Instruments (USA), and GaN Systems (Canada). GaN ICs are widely used in industries such as power electronics, telecommunications, automotive, and renewable energy. Key products include power converters, RF amplifiers, and fast-charging solutions, offering superior performance compared to traditional silicon-based components.