MULTI-BRIDGE TOPOLOGY
First Claim
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1. A wireless power supply system for supplying power wirelessly to a remote device, the system 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 controller selectively configures the wireless power supply between a plurality of different bridge topologies during operation by controlling the first half-bridge circuit and the second half-bridge circuit;
wherein the controller selectively configures the wireless power supply to fine tune an amount of power delivered to the remote device at each of the plurality of different bridge topologies by adjusting a characteristic of at least one of the half bridge circuits.
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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.
8 Citations
23 Claims
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1. A wireless power supply system for supplying power wirelessly to a remote device, the system 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 controller selectively configures the wireless power supply between a plurality of different bridge topologies during operation by controlling the first half-bridge circuit and the second half-bridge circuit; wherein the controller selectively configures the wireless power supply to fine tune an amount of power delivered to the remote device at each of the plurality of different bridge topologies by adjusting a characteristic of at least one of the half bridge circuits. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power supply that supplies power wirelessly to a remote device, the wireless power supply 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; 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 second terminal of the primary inductor; and a controller for configuring the wireless power supply between a plurality of different bridge topologies by controlling the first switch and the second switch of the first inverter and by controlling the first switch and the second switch of the second inverter; wherein the controller selectively configures the wireless power supply to fine tune an amount of power delivered to the remote device at each of the plurality of different bridge topologies by adjusting a characteristic of at least one of the inverters. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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16. A wireless power supply system for supplying power wirelessly to a remote device, the system 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 and the second half-bridge circuit are electrically connected to a primary coil. wherein the controller selectively configures the wireless power supply between a half-bridge topology and a full bridge topology by controlling the first half-bridge circuit and the second half-bridge circuit; wherein the controller selectively fine tunes an amount of power delivered to the remote device while configured in the half-bridge topology by adjusting a first characteristic; wherein the controller selectively fine tunes an amount of power delivered to the remote device while configured in the full-bridge topology by adjusting a second characteristic. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification