Patent ID: 11955884
Assignee: RICHTEK TECHNOLOGY CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 11:
12. The resonant switching power converter circuit according to claim 8, wherein the resonant switching power converter circuit further includes one of the following configurations and executes corresponding operations:
(1) wherein the third capacitor is further directly connected to the first inductor to form a first resonant tank, and the second capacitor is further directly connected to the second inductor to form a second resonant tank;
wherein in the first process, the plurality of switches further control the first resonant tank and the first capacitor to be connected in series with each other between the first power and the second power, and control the second resonant tank to be connected in parallel with the second power; and
wherein in the second process, the plurality of switches further control the second resonant tank and the first capacitor to be connected in series with each other between the second power and the ground level, and control the first resonant tank to be connected in parallel with the second power;

(2) wherein a same one single inductor serves as both the first inductor and the second inductor, and this same one single inductor is coupled between the second power and a switching node;
wherein in the first process, the plurality of switches further control the first capacitor and the third capacitor to be connected in series with said same one single inductor to form a first series circuit between the first power and the second power, and control the second capacitor to be connected in series with said same one single inductor to form a second series circuit and the second series circuit is connected in parallel with the second power; and
wherein in the second process, the plurality of switches further control the second capacitor and the first capacitor to be connected in series with said same one single inductor to form a third series circuit between the second power and the ground level, and control the third capacitor to be connected in series with said same one single inductor to form a fourth series circuit and the fourth series circuit is connected in parallel with the second power; or

(3) wherein the first inductor is coupled between the second power and a first switching node, and the second inductor is coupled between the second power and a second switching node;
wherein in the first process, the plurality of switches further control the first capacitor and the third capacitor to be connected in series with the first inductor via the first switching node to form a first series circuit between the first power and the second power, and control the second capacitor to be connected in series with the second inductor via the second switching node to form a second series circuit and the second series circuit is connected in parallel with the second power; and
wherein in the second process, the plurality of switches further control the second capacitor and the first capacitor to be connected in series with the second inductor via the second switching node to form a third series circuit between the second power and the ground level, and control the third capacitor to be connected in series with the first inductor via the first switching node to form a fourth series circuit and the fourth series circuit is connected in parallel with the second power.