Capacitor charging

Discussion in 'The Projects Forum' started by rdaniels2, Nov 9, 2010.

  1. rdaniels2

    Thread Starter New Member

    Nov 9, 2010
    As I understand it, in normal capacitor charging (in series with the voltage source) the voltage of the capacitor will approach your Vs. So if you have 2 AA batteries, the highest voltage you get will be 3 Volts. So what kind of charging circuit do I need to get higher higher voltages at the capacitor?

    So, why can tazers go from 9V to kVs?
  2. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
    Look up boost converter.

    Another method, once the signal is AC, is a capacitor and diode ladder.

    May as well add, "charge pump" to the choices as well. It is a capacitor + switch method.

    Boost converters use an inductor + switch and usually a capacitor.