WIRELESS POWER TRANSMITTING/RECEIVING DEVICES AND METHODS
First Claim
Patent Images
1. A wireless power transmitting/receiving device, comprising:
- a power transmitting/receiving element;
a plurality of switches, each of the plurality of switches having a control terminal and a conduction terminal, the conduction terminal being coupled to the power transmitting/receiving element;
a current sensor configured to sense a current through the power transmitting/receiving element; and
a controller coupled to the current sensor and the plurality of switches, the controller being configured to control the plurality of switches based on the sensed current.
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Abstract
A wireless power transmitting/receiving device includes a power transmitting/receiving element, a plurality of switches, a current sensor and a controller. Each of the plurality of switches has a control terminal and a conduction terminal, with the conduction terminal being coupled to the power transmitting/receiving element. The current sensor senses a current through the power transmitting/receiving element, and the controller is configured to control the plurality of switches based on the sensed current.
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Citations
26 Claims
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1. A wireless power transmitting/receiving device, comprising:
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a power transmitting/receiving element; a plurality of switches, each of the plurality of switches having a control terminal and a conduction terminal, the conduction terminal being coupled to the power transmitting/receiving element; a current sensor configured to sense a current through the power transmitting/receiving element; and a controller coupled to the current sensor and the plurality of switches, the controller being configured to control the plurality of switches based on the sensed current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method, comprising:
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controlling a power share controller module, the power share controller module being operable to transmit power in a power transmitting mode, and to receive power in a power receiving mode, the controlling including; sensing a current through a power transmitting/receiving element; and controlling the plurality of switches based on the sensed current, the plurality of switches being coupled to the power transmitting/receiving element; in the power receiving mode, controlling the plurality of switches includes; generating a rectified power signal; in the power transmitting mode, controlling the plurality of switches includes; generating a pulse-width modulated (PWM) power signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A wireless power transmitting and receiving circuit, comprising:
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an inductive coil; a plurality of switches, each of the plurality of switches having a control terminal and a conduction terminal, the conduction terminal being coupled to the inductive coil; and a current sensor configured to sense a current through the inductive coil, wherein, in a power receiving mode, the circuit is configured to generate a rectified power signal, wherein, in a power transmitting mode, the circuit is configured to generate a pulse-width modulated (PWM) power signal. - View Dependent Claims (22, 23, 24)
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25. A wireless power transmitting and receiving circuit, comprising:
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an inductive coil; a plurality of switches, each of the plurality of switches having a control terminal and a conduction terminal, the conduction terminal being coupled to the inductive coil; and a voltage sensor configured to sense a voltage through the inductive coil, in a power receiving mode, the circuit is configured to generate a rectified power signal, in a power transmitting mode, the circuit is configured to generate a pulse-width modulated (PWM) power signal. - View Dependent Claims (26)
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Specification