Multi-phase power supplies for light fixtures
First Claim
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1. An electrical system, comprising:
- a power supply coupled to an electrical load, wherein the power supply comprises an AC/DC converter and a plurality of DC/DC converters, wherein the AC/DC converter provides raw DC power to the plurality of DC/DC converters, wherein the plurality of DC/DC converters receive the raw DC power and generate final DC power for the electrical load; and
a controller coupled to the power supply, wherein the controller selectively enables and disables the plurality of DC/DC converters over time to regulate flyback current of the power supply.
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Abstract
An electrical system can include a power supply coupled to an electrical load, where the power supply includes an AC/DC converter and a number of DC/DC converters, where the AC/DC converter provides raw DC power to the DC/DC converters, where the DC/DC converters receive the raw DC power and generate final DC power for the electrical load. The electrical system can also include a controller coupled to the power supply, where the controller selectively enables and disables the DC/DC converters.
10 Citations
20 Claims
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1. An electrical system, comprising:
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a power supply coupled to an electrical load, wherein the power supply comprises an AC/DC converter and a plurality of DC/DC converters, wherein the AC/DC converter provides raw DC power to the plurality of DC/DC converters, wherein the plurality of DC/DC converters receive the raw DC power and generate final DC power for the electrical load; and a controller coupled to the power supply, wherein the controller selectively enables and disables the plurality of DC/DC converters over time to regulate flyback current of the power supply. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A power supply for an electrical load, wherein the power supply comprises:
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an AC/DC converter that receives AC power from a power source and converts the AC power to raw DC power; at least one switch coupled to the AC/DC converter, wherein the at least one switch is operated by a controller, and wherein the at least one switch has a plurality of configurations; and a plurality of DC/DC converters coupled in series with the at least one switch and in series with the electrical load, wherein the AC/DC converter provides the raw DC power to a first DC/DC converter of the plurality of DC/DC converters at a first time when the at least one switch is in a first configuration of the plurality of configurations, wherein the first DC/DC converter uses the raw DC power to deliver first final DC power to the electrical load, wherein the AC/DC converter provides the raw DC power to a second DC/DC converter of the plurality of DC/DC converters at a second time when the at least one switch is in a second configuration of the plurality of configurations, wherein the second DC/DC converter uses the raw DC power to deliver second final DC power to the electrical load. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for providing DC power to an electrical load, wherein the method comprises:
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receiving, by an AC/DC converter, AC power from a power source; operating, by a controller at a first time, at least one switch to a first configuration, wherein the at least one switch is coupled to and positioned in series between the AC/DC converter and a plurality of DC/DC converters, wherein the first configuration of the at least one switch delivers raw DC power from the AC/DC converter to a first subset of DC/DC converters among the plurality of DC/DC converters at the first time period, wherein the first subset of DC/DC converters deliver first final DC power to the electrical load; and operating, by the controller at a second time, the at least one switch to a second configuration, wherein the second configuration of the at least one switch delivers raw DC power from the AC/DC converter to a second subset of DC/DC converters among the plurality of DC/DC converters at the first time period, wherein the second subset of DC/DC converters deliver second final DC power to the electrical load. - View Dependent Claims (19, 20)
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Specification