Power transmitting unit and power receiving unit with control data communication and methods for use therewith
First Claim
1. A power receiving unit comprising:
- a wireless power receiver configured to receive a wireless power signal from a power transmitting unit;
a wireless radio unit configured to communicate with the power transmitting unit; and
a controllable rectifier circuit configured to rectify the wireless power signal, the controllable rectifier circuit comprising;
a rectifier configured to generate a rectified voltage from the wireless power signal, based on switch control signals; and
a rectifier control circuit configured to generate the switch control signals and to generate first control data that indicates a first rectifier duty cycle of the switch control signals, wherein the first rectifier duty cycle is a percentage and wherein the first control data includes the percentage;
wherein the wireless radio unit sends the first control data to the power transmitting unit;
wherein the wireless radio unit receives second control data from the power transmitting unit; and
wherein the rectifier control circuit adjusts the switch control signals in response to the second control data.
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Accused Products
Abstract
Aspects of the subject disclosure may include, for example, a wireless power receiver configured to receive a wireless power signal from a power transmitting unit. A wireless radio unit is configured to communicate with the power transmitting unit. A controllable rectifier circuit is configured to rectify the wireless power signal. The controllable rectifier circuit can include a rectifier configured to generate a rectified voltage from the wireless power signal, based on switch control signals. A rectifier control circuit is configured to generate the switch control signals and to generate first control data that indicates a first rectifier duty cycle of the switch control signals. The wireless radio unit sends the first control data to the power transmitting unit. Other embodiments are disclosed.
7 Citations
20 Claims
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1. A power receiving unit comprising:
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a wireless power receiver configured to receive a wireless power signal from a power transmitting unit; a wireless radio unit configured to communicate with the power transmitting unit; and a controllable rectifier circuit configured to rectify the wireless power signal, the controllable rectifier circuit comprising; a rectifier configured to generate a rectified voltage from the wireless power signal, based on switch control signals; and a rectifier control circuit configured to generate the switch control signals and to generate first control data that indicates a first rectifier duty cycle of the switch control signals, wherein the first rectifier duty cycle is a percentage and wherein the first control data includes the percentage; wherein the wireless radio unit sends the first control data to the power transmitting unit; wherein the wireless radio unit receives second control data from the power transmitting unit; and wherein the rectifier control circuit adjusts the switch control signals in response to the second control data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
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receiving, at a power receiving unit, a wireless power signal from a power transmitting unit; generating switch control signals via the power receiving unit; generating, via the power receiving unit, a rectified voltage from the wireless power signal, based on switch control signals; generating first control data to indicate a first rectifier duty cycle of the switch control signals, wherein the first rectifier duty cycle is a percentage and wherein the first control data includes the percentage; and sending the first control data to the power transmitting unit via a wireless radio unit; receiving, via the wireless radio unit, second control data from the power transmitting unit; and adjusting the switch control signals in response to the second control data. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A power receiving unit comprising:
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a wireless power receiver configured to receive a wireless power signal from a power transmitting unit; a wireless radio unit configured to communicate with the power transmitting unit; and a controllable rectifier circuit configured to rectify the wireless power signal, the controllable rectifier circuit comprising; a rectifier configured to generate a rectified voltage from the wireless power signal, based on switch control signals; and a rectifier control circuit configured to generate the switch control signals and to generate first control data that indicates a first rectifier duty cycle of the switch control signals, wherein the first rectifier duty cycle is a percentage and wherein the first control data includes the percentage; wherein the wireless radio unit sends the first control data to the power transmitting unit; wherein the wireless radio unit receives second control data from the power transmitting unit; and wherein the rectifier control circuit iteratively adjusts the switch control signals in response to the second control data. - View Dependent Claims (18, 19, 20)
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Specification