MULTI-BRIDGE TOPOLOGY
First Claim
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1. A power supply comprising:
- a controller;
a first half-bridge circuit electrically connected to the controller;
a second half-bridge circuit electrically connected to the controller;
wherein the first half-bridge circuit is electrically connected to a first terminal of a primary coil through a first capacitor and the second half-bridge circuit is electrically connected to the first terminal of the primary inductor through a second capacitor;
wherein the controller selectively configures the power supply between a plurality of different bridge topologies during operation by controlling the first half-bridge circuit and the second half-bridge circuit to adjust the resonant frequency.
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Abstract
A power supply with a multi-bridge topology configured to provide multiple different bridge topologies during operation. The power supply includes a plurality of half-bridge circuits connected to a controller. The controller can selectively configure the power supply between a plurality of different bridge topologies during operation by controlling the half-bridge circuit.
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Citations
30 Claims
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1. A power supply comprising:
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a controller; a first half-bridge circuit electrically connected to the controller; a second half-bridge circuit electrically connected to the controller; wherein the first half-bridge circuit is electrically connected to a first terminal of a primary coil through a first capacitor and the second half-bridge circuit is electrically connected to the first terminal of the primary inductor through a second capacitor; wherein the controller selectively configures the power supply between a plurality of different bridge topologies during operation by controlling the first half-bridge circuit and the second half-bridge circuit to adjust the resonant frequency. - View Dependent Claims (2, 3, 4, 5, 11, 12, 13)
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- 6. (canceled)
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10. (canceled)
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14. A multi-bridge topology for a wireless power supply that supplies power wirelessly to a remote device, the multi-bridge topology comprising:
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a primary inductor having a first terminal and a second terminal; a first inverter including a first switch for selectively coupling a first node to a first voltage source and a second switch for selectively coupling the first node to a first reference voltage, the first node is electrically connected to the first terminal of the primary inductor through a first capacitor; a second inverter including a first switch for selectively coupling a second node to a second voltage source and a second switch for selectively coupling the second node to a second reference voltage, the second node is electrically connected to the first terminal of the primary inductor through a second capacitor; and a controller for configuring the multi-bridge topology between a plurality of different bridge topologies by controlling the first switch and the second switch of the first inverter and for controlling the first switch and the second switch of the second inverter to adjust the resonant frequency. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A multi-bridge topology for a wireless power supply, the multi-bridge topology comprising:
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a primary inductor having a first terminal and a second terminal; a first inverter including a first switch for selectively coupling a first node to a voltage source and a second switch for selectively coupling the first node to a reference voltage, the first node is electrically connected to the first terminal of the primary inductor through a first capacitor; a second inverter including a first switch for selectively coupling a second node to a voltage source and a second switch for selectively coupling the second node to a reference voltage, the second node is electrically connected to the first terminal of the primary inductor through a second capacitor; and a controller for configuring the multi-bridge topology between a plurality of different bridge topologies by controlling the first switch and the second switch of the first inverter and for controlling the first switch and the second switch of the second inverter to adjust the resonant frequency. - View Dependent Claims (29, 30)
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Specification