POWER MANAGEMENT CIRCUIT AND ASSOCIATED POWER MANAGEMENT METHOD
First Claim
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1. A power management circuit, comprising:
- a voltage sensing circuit, for sensing a plurality of voltages respectively of a plurality of nodes of a printed circuit board (PCB) to generate a sensing result; and
a supply voltage adjusting circuit, coupled to the voltage sensing circuit, for determining a voltage level of a supply voltage supplied to a power plane of the PCB by referring to the sensing result.
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Abstract
A power management circuit includes a voltage sensing circuit and a supply voltage adjusting circuit. The voltage sensing circuit is arranged for sensing a plurality of voltages respectively of a plurality of nodes of a PCB to generate a sensing result. The supply voltage adjusting circuit is coupled to the voltage sensing circuit, and is arranged for determining a voltage level of a supply voltage supplied to a power plane of the PCB by referring to the sensing result.
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Citations
20 Claims
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1. A power management circuit, comprising:
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a voltage sensing circuit, for sensing a plurality of voltages respectively of a plurality of nodes of a printed circuit board (PCB) to generate a sensing result; and a supply voltage adjusting circuit, coupled to the voltage sensing circuit, for determining a voltage level of a supply voltage supplied to a power plane of the PCB by referring to the sensing result. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power management method, comprising:
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sensing a plurality of voltages respectively of a plurality of nodes of a printed circuit board (PCB) to generate a sensing result; and determining a voltage level of a supply voltage supplied to a power plane of the PCB by referring to the sensing result. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A power management method, comprising:
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obtaining operation statuses of a plurality of integrated circuits (ICs) mounted on a printed circuit board (PCB) to generate a determining result; and determining a voltage level of a supply voltage supplied to a power plane of the PCB by referring to the determining result. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification