SWITCH CIRCUIT OF DC/DC CONVERTER CONFIGURED TO CONDUCT VARIOUS MODES FOR CHARGING/DISCHARGING
First Claim
1. A DC/DC converter, comprising:
- an input terminal for receiving an input voltage;
an output terminal for providing an output voltage;
a ground terminal for providing a reference voltage;
a plurality of charge pump capacitors, comprising at least a first charge pump capacitor, a second charge pump capacitor, and a third charge pump capacitor; and
a switch circuit including a plurality of switches configured to allow the plurality of charge pump capacitors connected in a hybrid parallel-series arrangement between the input terminal and the ground terminal or between the input terminal and the output terminal by selectively conducting a specified portion of the switches.
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Accused Products
Abstract
A DC/DC converter includes an input terminal for receiving an input voltage; an output terminal for providing an output voltage; a ground terminal for providing a reference voltage; a plurality of charge pump capacitors including at least a first charge pump capacitor, a second charge pump capacitor, and a third charge pump capacitor; and a switch circuit. The switch circuit includes a plurality of switches configured to allow the plurality of charge pump capacitors connected in a hybrid parallel-series arrangement between the input terminal and the ground terminal or between the input terminal and the output terminal by selectively conducting a specified portion of the switches.
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Citations
19 Claims
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1. A DC/DC converter, comprising:
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an input terminal for receiving an input voltage; an output terminal for providing an output voltage; a ground terminal for providing a reference voltage; a plurality of charge pump capacitors, comprising at least a first charge pump capacitor, a second charge pump capacitor, and a third charge pump capacitor; and a switch circuit including a plurality of switches configured to allow the plurality of charge pump capacitors connected in a hybrid parallel-series arrangement between the input terminal and the ground terminal or between the input terminal and the output terminal by selectively conducting a specified portion of the switches. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A switch circuit for use with a plurality of charge pump capacitors in a DC/DC converter, the DC/DC converter including at least a first charge pump capacitor, a second charge pump capacitor, and a third charge pump capacitor, an input terminal for receiving an input voltage, an output terminal for providing an output voltage, and a ground terminal for providing a reference voltage, and the switch circuit comprising:
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a first circuitry associated with the first charge pump capacitor, one electrode of the first charge pump capacitor being connectable via a first switch to the input voltage and via a second switch to the reference voltage and the other electrode of the first charge pump capacitor being connectable via a third switch to the input voltage and via a fourth switch to the output voltage; a second circuitry associated with the second charge pump capacitor, one electrode of the second charge pump capacitor being connectable via a fifth switch to the input voltage and via a sixth switch to the reference voltage and the other electrode of the second charge pump capacitor being connectable via a seventh switch to the input voltage and via an eighth switch to the output voltage; a third circuitry associated with the third charge pump capacitor, one electrode of the third charge pump capacitor being connectable via a ninth switch to the input voltage and via a tenth switch to the reference voltage and the other electrode of the third charge pump capacitor being connectable via an eleventh switch to the input voltage and via a twelfth switch to the output voltage; a first further switch, via which the one electrode of the first charge pump capacitor associated with the first circuitry being connectable to the other electrode of the second charge pump capacitor associated with the second circuitry; a second further switch, via which the one electrode of the second charge pump capacitor associated with the second circuitry being connectable to the other electrode of the third charge pump capacitor associated with the third circuitry; and a third further switch, via which the one electrode of the first charge pump capacitor associated with the first circuitry further being connectable to the other electrode of the third charge pump capacitor associated with the third circuitry. - View Dependent Claims (19)
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Specification