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Capacitor Charging Circuit Question

  1. Aug 14, 2010 #1
    I understand what a capacitor charging circuit looks like, and know how it works. My question is, with an HV boost converter charger, for charging high voltage caps, there is often an LED that lights when charging is complete. How does this work - how does the charger know when the capacitor is full? And does it actually disconnect the cap from the circuit or shut off the circuit after the cap is completely charged?
     
  2. jcsd
  3. Aug 15, 2010 #2
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