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buck converter help

Discussion in 'General Electronics Discussion' started by drobbins329, Jan 8, 2014.

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  1. drobbins329


    Jan 7, 2014
    I am working on understanding an example circuit.
    My current hang up is the inductor used in a buck converter circuit. The circuit i am working at is the li-ion msp430 charger example given by ti. I cant understand where they found the value for the inductor. I cant find any examples i could understand on wiki.
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    Do you have the datasheet for this device? What does it say about the selection of the inductor?

    I'm a little confused because TI says the MSP430 is a microcontroller.
  3. drobbins329


    Jan 7, 2014
    It is a microcontroller.
    Here is the link:

    I am using it because I already have one. And, I could use a charger. When I can learn something new, I would rather build than buy.

    I am using the micro controller as the switch.
    Last edited: Jan 8, 2014
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