Power mode control for a communication device and method for use therewith
First Claim
Patent Images
1. A communication device comprising:
- voice data and RF integrated circuit (IC) that generates a power mode signal based on a selected one of a plurality of power modes;
an off-chip inductive power module that generates an inductive power signal;
an off-chip power management circuit, coupled to the voice data and RF IC and the off-chip inductive power module and at least one alternative power source, wherein the off-chip power management circuit;
receives the power mode signal;
generates a power supply signal from one of, the inductive power signal and the at least one alternative power source; and
adjusts the power supply signal in response to the power mode signal.
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Abstract
A power status signal is received in an integrated circuit that indicates an inductive power status of an off-chip inductive power module and a battery power status of a battery. A power mode is selected based on the at least one power status signal. A power mode signal is generated based on the selected power mode. A power supply signal is generated and adjusted in response to the power mode signal.
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Citations
19 Claims
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1. A communication device comprising:
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voice data and RF integrated circuit (IC) that generates a power mode signal based on a selected one of a plurality of power modes; an off-chip inductive power module that generates an inductive power signal; an off-chip power management circuit, coupled to the voice data and RF IC and the off-chip inductive power module and at least one alternative power source, wherein the off-chip power management circuit; receives the power mode signal; generates a power supply signal from one of, the inductive power signal and the at least one alternative power source; and adjusts the power supply signal in response to the power mode signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A voice data and RF integrated circuit (IC) comprising:
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a memory module that stores at least one application having a plurality of power modes; and a processing module, coupled to the memory module, that executes the plurality of operational instructions and that determines a selected one of the plurality of power modes, and generates a power mode signal based on the selected one of the plurality of power modes; an on-chip power management circuit, coupled to the processing module, an off-chip inductive power module and coupleable to at least one alternative power source, that receives the power mode signal and that generates a power supply signal, based on the power mode signal, from one of, a inductive power signal from the off-chip inductive power module, and an alternative power signal from the at least one alternative power source; and an interface module that can be selectively deactivated by the processing module and wherein the processing module generates the power mode signal that commands the on-chip power management circuit to discontinue the generation of a supply voltage to power the interface module. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method for use in an integrated circuit (IC) comprising:
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receiving at least one power status signal indicating an inductive power status of an off-chip inductive power module and the at least one power status signal further indicating a battery power status of a battery; selecting one of a plurality of power modes based on the at least one power status signal including determining a first power mode when the battery power status is in a normal state and determining a second power mode when the battery power status is a low state and the inductive power status is in the inductive power ready state; generating a power mode signal based on the selected one of the plurality of power modes; and generating a power supply signal; and adjusting the power supply signal in response to the power mode signal. - View Dependent Claims (17, 18, 19)
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Specification