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US 12,224,665 B2Granted
Power conversion system and control method
AssigneesThe Trustees of Princeton University, Halo Microelectronics International
InventorsMinjie Chen, Songnan Yang
Life of this patent
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Abstract
A power conversion system includes one or more switched capacitor input cells connected between an input dc source and a plurality of interleaved multilevel voltage rails, one or more inductor links connected to the plurality of interleaved multilevel voltage rails, and one or more output cells, wherein each output cell is connected to an output load and all of the plurality of interleaved multilevel voltage rails through a corresponding inductor link.
Claims20
A power conversion system comprising:
- one or more switched capacitor converters connected between an input dc source and a plurality of interleaved multilevel voltage rails, wherein in a first part of one switching cycle of one switched capacitor converter of the one or more switched capacitor converters, the input dc source is configured to charge at least one flying capacitor through a first group of switches of the one switched capacitor converter, and in a second part of the switching cycle of the one switched capacitor converter, the at least one flying capacitor is configured to provide power for at least one of the plurality of interleaved multilevel voltage rails through a second group of switches of the one switched capacitor converter;
- one or more inductor links connected to the plurality of interleaved multilevel voltage rails;
- and
- one or more output cells, wherein each output cell is connected to an output load and all of the plurality of interleaved multilevel voltage rails through a corresponding inductor link.
1 more element
A method comprising:
- configuring one or more switched capacitor converters to generate a plurality of voltage pulses on a plurality of interleaved multilevel voltage rails, wherein in a first part of one switching cycle of one switched capacitor converter of the one or more switched capacitor converters, an input de source is configured to charge at least one flying capacitor through a first group of switches of the one switched capacitor converter, and in a second part of the switching cycle of the one switched capacitor converter, the at least one flying capacitor is configured to provide power for at least one of the plurality of interleaved multilevel voltage rails through a second group of switches of the one switched capacitor converter;
- configuring one or more inductor links to be connected to the plurality of interleaved multilevel voltage rails;
- and
- configuring one or more output cells to be connected between the plurality of interleaved multilevel voltage rails and a plurality of load, wherein each output cell is connected to an output load and all of the plurality of interleaved multilevel voltage rails through a corresponding inductor link.
1 more element
A system comprising:
- one or more input cells connected to an input dc source and one or more interleaved multilevel voltage rails;
- one or more inductor links connected to the one or more interleaved multilevel voltage rails;
- and
- one or more switched capacitor converters, wherein each switched capacitor converter is connected to an output load and all of the one or more interleaved multilevel voltage rails through the one or more inductor links, wherein in a first part of one switching cycle of one switched capacitor converter of the one or more switched capacitor converters, an inductor link is configured to charge at least one flying capacitor through a first group of switches of the one switched capacitor converter, and in a second part of the one switching cycle of the one switched capacitor converter, the at least one flying capacitor is configured to provide power for a corresponding load through a second group of switches of the one switched capacitor converter.
1 more element
Dependencies are inferred from the claim text.