![]() They are usually used to regulate current flowing through a circuit or to control other factors such as other components and. Several, step-by-step numerical design examples complement the application report. In electronics, a driver is a circuit or component used to control another circuit or component, such as a high-power transistor, liquid crystal display (LCD), stepper motors, SRAM memory, 1 : 30 and numerous others. For more information, see the Overview for MOSFET and IGBT Gate Drivers product page. A special section deals with the gate drive requirements of the MOSFETs in synchronous rectifier applications. The isolated gate-electrode of a MOSFET/IGBT forms a capacitor (gate capacitor) that must be charged or discharged every time the transistor is turned on or off. Design procedure for ground referenced and high side gate drive circuits, AC coupled and transformer isolated solutions are described in great details. The discussion builds from simple to more complex problems starting with an overview of MOSFET technology and switching operation. The most popular circuit solutions and their performance are analyzed, including the effect of parasitic components, transient and extreme operating conditions. ![]() ![]() Therefore, it should be of interest to power electronics engineers at all levels of experience. It is an informative collection of topics offering a “one-stop-shopping” to solve the most common design challenges. The main purpose of this application report is to demonstrate a systematic approach to design high-performance gate drive circuits for high-speed switching applications. ![]()
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