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Questions about MOSFET drivers

hi everybody!!
what is the functioning of mosfet drivers? when are mosfet drivers used?😕

Replies

  • kamal.deepak
    kamal.deepak
    Pranjali Desai
    hi everybody!!
    what is the functioning of mosfet drivers? when are mosfet drivers used?😕
    Hi.

    Driver is a power amplifier that accepts a low-power input from a controller IC and produces the appropriate high-current gate drive for a power MOSFET.
    A gate driver is used when a pulsewidth-modulation (PWM) controller
    cannot provide the output current required to drive the gate capacitance of the associated MOSFET. Gate drivers may be implemented as dedicated ICs, discrete transistors, or transformers. They can also be integrated within a controller IC. Partitioning the gate-drive function off the PWM controller allows the controller to run cooler and be more stable by eliminating the high peak currents and heat dissipation needed to drive a power MOSFET at very high frequencies.😎​

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