Hybrid controlling and driving circuit and method thereof
First Claim
1. A hybrid driving and controlling circuit in a power supply system having first and second power supplies and at least one load, the circuit comprising:
- a) a controller coupled to a hybrid switcher that enables energy transfer from said first and second power supplies, wherein said first and second power supplies are connected at a common node, wherein said first power supply comprises a solar panel configured to convert natural light into electrical energy, and wherein said second power supply comprises a battery configured to store energy;
b) when a determined energy of said first power supply is sufficient, said controller being configured to control said hybrid switcher to operate in a buck converter mode to transfer energy from said first power supply to said second power supply;
c) when said determined energy of said first power supply is insufficient, said controller being configured to control said hybrid switcher to operate in a DC/DC flyback converter mode to transfer energy from said second power supply to said at least one load; and
d) an inductive component connected to a first power switch, a second power switch having a parasitic diode that is configured to be used in said buck converter mode, and said second power supply, wherein said second power switch is connected to said common node, and wherein said inductive component and said first and second power switches are shared in both said buck and said DC/DC flyback converter modes of said hybrid switcher.
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Accused Products
Abstract
Methods, circuits, apparatus, and systems related to a hybrid driving and controlling circuit are disclosed. In one embodiment, a hybrid driving and controlling circuit in a double power supply system includes first and second power supplies and at least one load, and the circuit can include: (i) a controller coupled to a hybrid switcher that enables energy transfer from the first and second power supplies; (ii) when a determined energy of the first power supply is sufficient, the controller can control the hybrid switcher to transfer energy from the first power supply to the second power supply; and (iii) when the determined energy of the first power supply is insufficient, the controller can control the hybrid switcher to transfer energy from the second power supply to the at least one load.
26 Citations
16 Claims
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1. A hybrid driving and controlling circuit in a power supply system having first and second power supplies and at least one load, the circuit comprising:
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a) a controller coupled to a hybrid switcher that enables energy transfer from said first and second power supplies, wherein said first and second power supplies are connected at a common node, wherein said first power supply comprises a solar panel configured to convert natural light into electrical energy, and wherein said second power supply comprises a battery configured to store energy; b) when a determined energy of said first power supply is sufficient, said controller being configured to control said hybrid switcher to operate in a buck converter mode to transfer energy from said first power supply to said second power supply; c) when said determined energy of said first power supply is insufficient, said controller being configured to control said hybrid switcher to operate in a DC/DC flyback converter mode to transfer energy from said second power supply to said at least one load; and d) an inductive component connected to a first power switch, a second power switch having a parasitic diode that is configured to be used in said buck converter mode, and said second power supply, wherein said second power switch is connected to said common node, and wherein said inductive component and said first and second power switches are shared in both said buck and said DC/DC flyback converter modes of said hybrid switcher. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising:
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a) sensing, by said controller, status information for a first power supply and a second power supply, wherein said status information comprises an indication of energy stored in said first power supply, wherein said first and second power supplies are connected at a common node, wherein said first power supply comprises a solar panel configured to convert natural light into electrical energy, and wherein said second power supply comprises a battery configured to store energy; b) controlling, by a hybrid switcher operating in a buck converter mode, said first power supply to transfer energy to said second power supply if said stored energy in said first power supply is determined to be sufficient; and c) controlling, by said hybrid switcher operating in a DC/DC flyback converter mode, said second power supply to transfer energy to at least one load if said stored energy in said first power supply is determined to be insufficient, d) wherein a first power switch, a second power switch having a parasitic diode that is configured to be used in said buck converter mode, and an inductive component are shared in both said buck and said DC/DC flyback converter modes of said hybrid switcher, wherein said inductive component is connected to said first and second power switches and said second power supply, and wherein said second power switch is connected to said common node. - View Dependent Claims (10, 11, 12)
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13. A double power supply system, comprising:
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a) a first power supply comprising a solar panel configured to convert natural light into electrical energy; b) a second power supply comprising a batterylfitirecy,1 to store energy, wherein said first and second power supplies are connected at a common node; c) at least one load configured to receive energy from at least one of said first power supply and said second power supply; d) a hybrid driving and controlling circuit coupled to said first power supply, said second power supply, and said at least one load, wherein said hybrid driving and controlling circuit comprises a hybrid switcher coupled to a controller; e) when energy stored in said first power supply is determined to be sufficient, said controller is configured to control said hybrid switcher to operate in a buck converter mode to transfer energy from said first power supply to said second power supply; f) when energy stored in said first power supply is determined to be insufficient, said controller is configured to control said hybrid switcher to operate in a DC/DC flyback converter mode to transfer energy from said second power supply to said at least one load; and g) an inductive component connected to a first power switch, a second power switch having a parasitic diode that is configured to be used in said buck converter mode, and said second power supply, wherein said second power switch is connected to said common node, and wherein said inductive component and said first and second power switches are shared in both said buck and said DC/DC flyback converter modes of said hybrid switcher. - View Dependent Claims (14, 15, 16)
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Specification