Switched Mode Power Supply Circuit
First Claim
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1. A switched mode power supply circuit comprising:
- a switching converter receiving an input voltage and generating an output voltage from the input voltage in accordance with a switching signal;
a switching controller unit configured to generate the switching signal in accordance with a control parameter set such that the output voltage approximately matches a set-point that is set in accordance with a selection signal; and
a detection circuit configured to detect a change of the set-point and to signal the changed set-point to the switching controller unit,wherein the switching controller unit is further configured to update the control parameter set in response to a detected change of a set-point value.
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Abstract
A switched mode power supply circuit includes a switching converter receiving an input voltage and generating an output voltage from the input voltage in accordance with a switching signal. A switching controller unit is configured to generate the switching signal in accordance with a control parameter set such that the output voltage matches a set-point.
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Citations
38 Claims
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1. A switched mode power supply circuit comprising:
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a switching converter receiving an input voltage and generating an output voltage from the input voltage in accordance with a switching signal; a switching controller unit configured to generate the switching signal in accordance with a control parameter set such that the output voltage approximately matches a set-point that is set in accordance with a selection signal; and a detection circuit configured to detect a change of the set-point and to signal the changed set-point to the switching controller unit, wherein the switching controller unit is further configured to update the control parameter set in response to a detected change of a set-point value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A power conversion method comprising:
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receiving, from an input power source, an input voltage by a switching power converter; generating, using the switching converter, an output voltage from the input voltage in accordance with a switching signal; generating, using a switching controller, the switching signal in accordance with a control parameter set such that the output voltage approximately matches a set-point that is set in accordance with a selection signal; detecting a change of the set-point and signaling the changed set-point to the switching controller; and updating the control parameter set in response to a detected change of a set-point value. - View Dependent Claims (15)
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16. A switched mode power supply circuit comprising:
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a switching converter configured to receive an input voltage and to generate an output voltage from the input voltage in accordance with a switching signal, the switching converter including a transformer to provide a galvanic isolation between a primary side and a secondary side of the switching converter; and a switching controller unit configured to generate the switching signal in accordance with a control parameter set and dependent on input data received via a galvanically isolated transmission path, wherein the input data includes a serial data stream provided by a load supplied with the output voltage. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A charging circuit for charging a battery included in a mobile device, the charging circuit comprising:
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a switching converter configured to receive an input voltage and to generate an output voltage for the mobile device from the input voltage in accordance with a switching signal, the switching converter including a transformer that provides a galvanic isolation between a primary side and a secondary side of the switching converter; and a switching controller unit configured to generate the switching signal in accordance with a control parameter set and dependent on input data received via a galvanically isolated transmission path, wherein the input data includes a serial data stream provided by the mobile device supplied with the output voltage. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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Specification