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MOSFET Question

Discussion in 'Electronic Basics' started by +Q__, Sep 8, 2003.

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  1. +Q__

    +Q__ Guest

    Hi everybody,

    I'm researching components for a circuit I'm designing, and I need to
    clear up some confusion over some advise I've recently received.

    I'm using an OOPic 2+ as a control for solenoid coils. I plan on using
    30 of the IO Lines from the PIC to switch them on and off
    individually.

    The problem is, the OOPic uses +5V. My solenoids are rated for +24VDC.

    I was advised to use the IO Lines on the OOPic to drive their
    corresponding MOSFETs and thereby power/switch the solenoids on and
    off. I was specifically advised to use the DS current of my mosfets to
    send power to the live wires of the coils.

    My question is:
    How can I adequately power solenoids rated for +24VDC with a circuit
    that possesses and can only handle +5V? What type or part number would
    be the right MOSFET to use?

    Thanks for the help,
    Q
     
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