Dynamic distribution device for battery power loop
First Claim
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1. A dynamic distribution device for a battery power loop, comprising:
- a voltage-sensing module, electrically connected to a battery, for sensing a battery voltage of said battery;
a power managing logic, electrically connected to said voltage-sensing module, for receiving a sensing result from said voltage sensing module;
a power switch circuit, electrically connected to said power managing logic, for operating correspondingly to a control command from said power managing logic;
a buck loop, electrically connected to said power switch circuit, for lowering said battery voltage; and
a boost loop, electrically connected to said power switch circuit, for raising said battery voltage,wherein said power managing logic commands said power switch circuit for controlling said buck loop to lower said battery voltage to a system output voltage when said power managing logic determines that said battery voltage is higher than said system output voltage, andwherein said power managing logic commands said power switch circuit for controlling said boost loop to raise said battery voltage to a raised output voltage and controlling said buck loop to lower said raised output voltage to said system output voltage when said battery voltage is lower than said system output voltage.
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Abstract
A dynamic distribution device for a battery power loop is provided. The dynamic distribution device comprises a voltage sensing module, a power management logic, a power switch circuit, a buck loop and a boost loop. The voltage-sensing module is electrically connected to a battery and is adopted for sensing a battery voltage of the battery. The power managing logic is electrically connected to the voltage-sensing module and is adopted for receiving a sensing result from the voltage-sensing module. The power switch circuit is electrically connected to the power managing logic and is adopted for operating correspondingly to a control command from the power managing logic. The buck loop is electrically connected to the power switch circuit and is adopted for lowering inputted voltage. The boost loop is electrically connected to the power switch circuit and is adopted for raising inputted voltage.
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Citations
5 Claims
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1. A dynamic distribution device for a battery power loop, comprising:
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a voltage-sensing module, electrically connected to a battery, for sensing a battery voltage of said battery; a power managing logic, electrically connected to said voltage-sensing module, for receiving a sensing result from said voltage sensing module; a power switch circuit, electrically connected to said power managing logic, for operating correspondingly to a control command from said power managing logic; a buck loop, electrically connected to said power switch circuit, for lowering said battery voltage; and a boost loop, electrically connected to said power switch circuit, for raising said battery voltage, wherein said power managing logic commands said power switch circuit for controlling said buck loop to lower said battery voltage to a system output voltage when said power managing logic determines that said battery voltage is higher than said system output voltage, and wherein said power managing logic commands said power switch circuit for controlling said boost loop to raise said battery voltage to a raised output voltage and controlling said buck loop to lower said raised output voltage to said system output voltage when said battery voltage is lower than said system output voltage. - View Dependent Claims (2, 3)
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4. A voltage adjustment method, comprising:
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sensing a battery voltage outputted from a battery; determining whether said battery voltage is higher than a system output voltage; lowering said battery voltage to the system output voltage when said battery voltage is higher than said system output voltage; and raising said battery voltage to a raised output voltage and lowering said raised output voltage to said system output voltage when said battery voltage is lower than said system output voltage.
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5. A dynamic distribution device for a battery power loop, comprising:
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a voltage-sensing module, electrically connected to a battery, for sensing a battery voltage of said battery; a power managing logic, electrically connected to said voltage-sensing module, for receiving a sensing result from said voltage sensing module; a power switch circuit, electrically connected to said power managing logic, for operating correspondingly to a control command from said power managing logic; a boost loop, electrically connected to said power switch circuit, for raising said battery voltage to a raised output voltage when said battery voltage is lower than a first system output voltage or a second system output voltage; a first buck loop, electrically connected to said power switch circuit, for lowering said raised output voltage to said first system output voltage; and a second buck loop, electrically connected to said power switch circuit, for lowering said raised output voltage to said second system output voltage
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Specification
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Current AssigneePhison Electronics Corporation
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Original AssigneeFlexmedia Electronics Corp. (Phison Electronics Corporation)
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InventorsShen, Feng-Min
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Primary Examiner(s)Patel; Rajnikant B
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Application NumberUS11/306,497Publication NumberTime in Patent Office1,145 DaysField of Search323222-224, 323282-284, 320/103, 320/116, 320/119, 320/121, 320/132, 307/35, 307/39, 307/149, 307/151US Class Current320/132CPC Class CodesH02J 7/0063 with circuits adapted for s...
