A multi-channel MOSFET is a type of MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) that integrates two or more MOSFET channels into a single package. These channels can be either N-channel, P-channel, or a combination of both. Multi-channel MOSFETs provide the functionality of multiple transistors in one compact device, reducing the number of components in a circuit and simplifying the design. They are commonly used in applications where multiple switching elements are required, such as in H-bridges, DC-DC converters, and load switches for power management.