Hi all,
attached is a typical battery drive CDI switching part..... upon switching the SCR, the HV DC section (creating +100VDC) is switched off for a brief moment so the SCR would not latch and stay ON.... this scheme only shows it cant handle much higher RPM .....
I dont know if an high voltage N-channel mosfet can be used in lieu of the SCR... to switch the HV DC... i know for a fact mosfets dont latch-on like SCRs do... only thing is , i dont know how... I hate blowing up N-ch mosfets.. they are not cheap..
attached is a typical battery drive CDI switching part..... upon switching the SCR, the HV DC section (creating +100VDC) is switched off for a brief moment so the SCR would not latch and stay ON.... this scheme only shows it cant handle much higher RPM .....
I dont know if an high voltage N-channel mosfet can be used in lieu of the SCR... to switch the HV DC... i know for a fact mosfets dont latch-on like SCRs do... only thing is , i dont know how... I hate blowing up N-ch mosfets.. they are not cheap..