wireless battery charger circuit

Discussion in 'The Projects Forum' started by harikanaidu, Jun 9, 2015.

  1. harikanaidu

    Thread Starter Member

    Nov 28, 2014
    76
    1
    Please anyone expalin me about these circuits....Why these diodes are used and how does this circuit work
     
  2. Bordodynov

    Active Member

    May 20, 2015
    637
    188
    The first is a push-pull converter.
    By the way. Diodes incorporated is not correct!
    Need to change polarity.
    The scheme works by using resonant circuit.
    This path is radiating a magnetic antenna.
    The second scheme consists of a resonant circuit and a bridge rectifier.
    Resonant circuit must be set on the frequency of the first scheme.
    Rectified voltage is supplied to the 5 volt regulator.
     
  3. harikanaidu

    Thread Starter Member

    Nov 28, 2014
    76
    1
    what is the role of diodes there and and can u please explain me clearly working of components individually...i want ot learn clearly
    ..thankyou
     
  4. Bordodynov

    Active Member

    May 20, 2015
    637
    188
    Transistors should work. When one transistor is turned on,
    the second transistor must be closed.
    This function is performed by diodes.
    When one transistor is open at drain low voltage
    and it is passed to the shutter the second transistor.
    This second transistor because this will have a small gate voltage
    (less than the threshold voltage).
    Then the transistors are reversed.
    Voltage fluctuations occur due to the presence of the oscillatory circuit (LC).
     
    harikanaidu likes this.
  5. harikanaidu

    Thread Starter Member

    Nov 28, 2014
    76
    1


    Hi,
    Can u please explain how diodes perform that particular operation?..when the supply is given which diode will be forward biased and which will be reverse biased?what i know is if the positive terminal is connectd to postive and negative terminal connected to negative only then diodes will conduct....but hoe to determine whether they are forward biased or reverse biased?
     
  6. Bordodynov

    Active Member

    May 20, 2015
    637
    188
    Diodes pulled up at the gates to the negative terminal of the power supply (by turns). If you want a detailed understanding of the work of the scheme, the best way is the use of simulators. I recommend LTspice.
     
    ronv likes this.
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