Control circuit of power supply unit, power supply unit and control method thereof
First Claim
Patent Images
1. A control circuit of power supply unit for controlling output voltage with electric power supplied from an external power supply, comprising:
- a monitoring portion monitoring current and voltage outputted from the external power supply and the output power of the external power supply; and
a setting portion setting the upper limit value of current outputted from the external power supply based on a result of monitoring by the monitoring portion.
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Abstract
The control circuit 30 of power supply unit and power supply unit 10 controlling output power with electric power supplied from the external power 15, comprise a monitoring portion 40 monitoring current I1 and voltage outputted from the external power supply 15 and output power of the external power supply 15 and a setting portion e1 which sets an upper limit value of current outputted from the external power supply 15 based on a monitoring result of the monitoring portion 40.
10 Citations
18 Claims
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1. A control circuit of power supply unit for controlling output voltage with electric power supplied from an external power supply, comprising:
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a monitoring portion monitoring current and voltage outputted from the external power supply and the output power of the external power supply; and a setting portion setting the upper limit value of current outputted from the external power supply based on a result of monitoring by the monitoring portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power supply unit controlling output voltage with electric power supplied from an external power supply, comprising:
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a monitoring portion monitoring current and voltage outputted from the external power supply and the output power of the external power supply; and a setting portion setting the upper limit value of current outputted from the external power supply based on a result of monitoring by the monitoring portion. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A control method of power supply unit controlling output voltage with electric power supplied from an external power supply, comprising:
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a monitoring step of monitoring current and voltage outputted from the external power supply and the output power of the external power supply; and an upper limit value setting step of setting the upper limit value of current outputted from the external power supply based on a result of monitoring by the monitoring step. - View Dependent Claims (16, 17, 18)
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Specification