POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM, AND POWER SUPPLY CONTROL METHOD
First Claim
1. A power supply device comprising:
- a power supply circuit configured to supply electric power;
a signal input-and-output portion to be coupled to a sub board, the sub board including a first load configured to receive the electric power and a voltage range generation circuit configured to generate a voltage range signal indicative of a power supply voltage range of the first load; and
an arithmetic circuit configured to compute an output voltage of the power supply circuit based on the voltage range signal which is input via the signal input-and-output portion and first power supply voltage information relating to a first voltage at a first supply terminal of the first load to be supplied with the electric power.
1 Assignment
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Accused Products
Abstract
A power supply device includes: a power supply circuit configured to supply electric power; a signal input-and-output portion to be coupled to a sub board, the sub board including a first load configured to receive the electric power and a voltage range generation circuit configured to generate a voltage range signal indicative of a power supply voltage range of the first load; and an arithmetic circuit configured to compute an output voltage of the power supply circuit based on the voltage range signal which is input via the signal input-and-output portion and first power supply voltage information relating to a first voltage at a first supply terminal of the first load to be supplied with the electric power.
10 Citations
17 Claims
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1. A power supply device comprising:
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a power supply circuit configured to supply electric power; a signal input-and-output portion to be coupled to a sub board, the sub board including a first load configured to receive the electric power and a voltage range generation circuit configured to generate a voltage range signal indicative of a power supply voltage range of the first load; and an arithmetic circuit configured to compute an output voltage of the power supply circuit based on the voltage range signal which is input via the signal input-and-output portion and first power supply voltage information relating to a first voltage at a first supply terminal of the first load to be supplied with the electric power. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power supply system comprising:
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a main board; and a sub board, coupled to a signal input-and-output portion of the main board, including a first load, wherein the main board includes; a power supply circuit configured to supply electric power to the first load; and an arithmetic circuit configured to compute an output voltage of the power supply circuit based on a voltage range signal and first power supply voltage information, the voltage range signal indicating a power supply voltage range of the first load and being input via the signal input-and-output portion, the first power supply voltage information relating to a first voltage at a first supply terminal of the first load to be supplied with the electric power. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A power supply control method comprising:
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determining whether a sub board on which a first load and a voltage range generation circuit are mounted is coupled or not, the first load configured to receive electric power from a power supply circuit, the voltage range generation circuit configured to generate a voltage range signal indicating a power supply voltage range of the first load; obtaining, when the sub board is coupled, the voltage range signal and power supply voltage information relating to a first voltage at a first supply terminal of the first load; and computing an output voltage of the power supply circuit using the voltage range signal and the power supply voltage information. - View Dependent Claims (16, 17)
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Specification