Patent ID: 8199544
Filing Date: 2012-06-12
Classification: H02M,Y02B

Abstract:
1. A zero-voltage switching power converter comprising: an inverter; a first pair of controllable switching devices configured as main switching devices; a second pair of controllable switching devices configured as auxiliary switching devices; said inverter containing a semi-bridge circuit, said semi-bridge circuit having an upper side, said upper side containing a first one of said first pair of controllable switching devices, said upper side containing a first one of said second pair of controllable switching devices; said semi-bridge circuit having a lower side, said lower side containing a second one of said first pair of controllable switching devices, said a lower side containing a second one of said second pair of controllable switching devices; said semi-bridge circuit having a bridge point, said bridge point connected to a converter output terminal; a first inductor connected in series with said first one of said second pair of controllable switching devices, said first inductor forming a first coil; a second inductor connected in series with said second one of said second pair of controllable switching devices, said second inductor forming a second coil; and, a common core on which said first and second coils are wound.