power mosfet and driver

Discussion in 'General Electronics Chat' started by jdk502, Aug 17, 2011.

  1. jdk502

    Thread Starter New Member

    Aug 17, 2011
    1
    0
    I am brand new to electronics. I have been researching MOSFET drivers and MOSFETs for a project I've been working on. I would like to use the 60 Volt, 8.8 Amp P-channel Mosfet (IRFU9024PBF). I was planning on using a 3 Amp Dual High speed power MOSFET driver with Enable (MCP14E10). Should I stick with the 3 Amp or can I go to 2 Amps? Also, what size (voltage and capacitance) capacitors should I use from source to ground to keep from destroying my MOSFET? How do I determine the required voltage and capacitance?
     
  2. Jaguarjoe

    Active Member

    Apr 7, 2010
    770
    90
    Describe your project. Is the MOSFET switching a motor on and off, or LEDs,?
    Why did you pick a P channel device? If you can use an N channel, it"s more common and generally has lower RDSon resistance and easier to drive.
    Why a capacitor from source to gnd? Maybe a diode could be better. What's the application?
    The driver current capacity pretty much is determined by gate charge and switching speed. The MOSFET gate has capacitance which must be considered. Q = IT

    Do you have a sketch of what you're doing?
     
    Last edited: Aug 17, 2011
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