Systems and methods for load line regulation of sigma converters
AssigneeAcLeap Power Inc.
InventorsYuxiang Shi, Jing Xu, Utkarsh Raheja
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Abstract
A device for load line regulation of a sigma convert is provided. The device comprises a sigma converter comprising an inductor inductor capacitor (LLC) circuit and a buck converter. The device also comprises control circuitry for the sigma converter. The control circuitry is configured to receive a plurality of electrical measurements associated with the sigma converter; determine, based on the plurality of electrical measurements, an adjusted electrical characteristic for load line regulation of the sigma converter; and provide, based on the adjusted electrical characteristic, gating signals to the buck converter to perform the load line regulation of the sigma converter.
Claims20
A device for load line regulation of a sigma converter, comprising:
- a sigma converter comprising an inductor inductor capacitor (LLC) circuit and a buck converter;
- and
- control circuitry for the sigma converter, wherein the control circuitry is configured to:
- receive a plurality of electrical measurements associated with the sigma converter, wherein the plurality of electrical measurements comprise a buck current associated with the buck converter;
- calculate an output current of the sigma converter based on the buck current;
- determine, based on the plurality of electrical measurements and the calculated output current of the sigma converter, an adjusted electrical characteristic for load line regulation of the sigma converter;
- and
- provide, based on the adjusted electrical characteristic, gating signals to the buck converter to perform the load line regulation of the sigma converter.
A control circuitry for a sigma converter, wherein the control circuitry comprises:
- a load line regulation circuitry configured to:
- receive a first set of electrical measurements associated with the sigma converter wherein the first set of electrical measurements comprise a buck current associated with the buck converter;
- calculate an output current of the sigma converter based on the buck current;
- determine, based on the first set of electrical measurements and the calculated output current of the sigma converter, an adjusted electrical characteristic for load line regulation of the sigma converter;
- and
- provide the adjusted electrical characteristic to a buck controller;
- and
- the buck controller configured to:
- receive the adjusted electrical characteristic from the load line regulation circuitry;
- and
- provide, based on the adjusted electrical characteristic, gating signals to a buck converter of the sigma converter to perform the load line regulation of the sigma converter, wherein the sigma converter comprises the buck converter and an inductor inductor capacitor (LLC) circuit.
A method for load line regulation of a sigma converter, comprising:
- receiving, by control circuitry for the sigma converter, a plurality of electrical measurements associated with the sigma converter, wherein the sigma converter comprises an inductor inductor capacitor (LLC) circuit and a buck converter, and wherein the plurality of electrical measurements comprise a buck current associated with the buck converter;
- calculate an output current of the sigma converter based on the buck current;
- determining, based on the plurality of electrical measurements and the calculated output current of the sigma converter, an adjusted electrical characteristic for load line regulation of the sigma converter;
- and
- providing, based on the adjusted electrical characteristic, gating signals to the buck converter to perform the load line regulation of the sigma converter.
Dependencies are inferred from the claim text.