Gate Driver + MOSFET for 5V to 24V Line Power MUX Toshiba Gate Driver + MOSFET for 5V to 24V Line Power MUX is used for power multiplexing, an important feature in applications that require main power supplies to have backup supplies or swapping between charging protocols such as Wireless to USB. Toshiba's TCK42xG series gate driver solution addresses various challenges present in power multiplexing and supports 5V to 24V powerlines.