29-10-2020 дата публикации
Номер: US20200343818A1
Принадлежит:
A power converter including: an output unit outputs a converted voltage; a transformer includes a first primary wiring, second primary wiring, and a secondary wiring; a first switch unit is coupled between first primary wiring and a second node; a delay unit is coupled to a control terminal of first switch unit; a first control unit generates a first control signal according to the converted voltage to control ON/OFF state of the first switch unit via the delay unit; the processing unit, coupled between the input voltage and the first node, receives, stores induced power of first induced voltage and releases the stored energy; and the second control unit generates a second control signal to control ON/OFF state of a second switch unit of processing unit to control receiving or releasing the energy according to the input voltage and induced power of first primary wiring. 1. A power converter , comprising:an output unit, for outputting a converted voltage; a first primary winding, coupled to an input voltage and a first node;', 'a second primary winding, coupled to a second node; and', 'a secondary winding, coupled to the output unit and the second node;, 'a first transformer comprisinga first switch unit, coupled between the first primary winding and the second node, for controlling magnetic flux direction of the first primary winding;a delay unit, coupled to a control node of the first switch unit;a first control unit, coupled to the converted voltage and coupled to the first switch unit via the delay unit, for generating a first control signal according to the converted voltage to control ON/OFF of the first switch unit via the delay unit;a processing unit, coupled between the input voltage and the first node, the processing unit being used for receiving a first induced voltage of the first node and storing induced power of the first induced voltage through a first path and isolating the first induced voltage from feeding in through a second path different from the ...
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