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US 2017/0324339 A1Published application
High Efficiency High Frequency Resonant Power Conversion
AssigneeNuVolta Technologies
InventorHengchun Mao
Life of this patent
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Abstract
An apparatus comprises a first capacitor and a second capacitor connected in series, a diode and the second capacitor connected in parallel, wherein a cathode of the diode is connected to a common node of the first capacitor and the second capacitor and a plurality of adjustable capacitance networks connected in parallel with the second capacitor.
Claims20
An apparatus comprising:
- a first capacitor and a second capacitor connected in series;
- a diode and the second capacitor connected in parallel, wherein:
- a cathode of the diode is connected to a common node of the first capacitor and the second capacitor;
- and
- a plurality of adjustable capacitance networks connected in parallel with the second capacitor.
2 more elements
A system comprising:
- a first coil having a first winding and a second coil having a second winding;
- a first switch network coupled to the first winding;
- a second switch network coupled to the second winding;
- a first resonant tank having a first variable capacitance network, wherein the first variable capacitance network is coupled between the first winding and the first switch network, wherein the first variable capacitance network is configured to control an operation parameter of the system;
- and
- a second resonant tank having a second capacitance network, wherein the second capacitance network is coupled between the second winding and the second switch network.
3 more elements
A method comprising:
- providing a resonant power system comprising a first resonant tank having a first resonant frequency and a second resonant tank having a second resonant frequency, wherein the first resonant tank comprises a first variable capacitance network having a voltage shifting circuit;
- and
- controlling the first variable capacitance network to regulate an output parameter of the resonant power system.
Dependencies are inferred from the claim text.