Combining an audio power amplifier and a power converter in a single device
First Claim
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1. An apparatus comprising:
- an audio power amplifier having an input and an output; and
an alternating-current to direct-current power converter coupled to the audio power amplifier in a single package to supply power to the audio power amplifier.
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Abstract
An apparatus is described that includes an audio power amplifier having an input and an output. An alternating-current to direct-current power converter is coupled to the audio power amplifier in a single package to supply power to the audio power amplifier.
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Citations
22 Claims
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1. An apparatus comprising:
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an audio power amplifier having an input and an output; and an alternating-current to direct-current power converter coupled to the audio power amplifier in a single package to supply power to the audio power amplifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An integrated circuit comprising:
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an audio power amplifier; a power converter to supply said audio power amplifier with a direct-current power source; and control circuitry coupled to the audio power amplifier and the power converter to monitor an output of the power converter and to adjust an operating characteristic of the power converter responsive to the output of said power converter. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An audio system comprising:
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an integrated circuit having a first audio power amplifier, a power converter to provide power to the first audio power amplifier, and control circuitry to modify an operating characteristic of the power converter responsive to an operating condition of the first audio power amplifier; and a speaker coupled with the integrated circuit to reproduce an audio signal amplified by the first audio power amplifier. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification