BATTERY MODULE, COMPUTER SYSTEM HAVING THE SAME, AND CONTROL METHOD OF THE COMPUTER SYSTEM
First Claim
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1. A computer system, comprising:
- a device which operates according to a clock frequency;
a battery unit, which comprises a plurality of battery cells, to supply power to the device;
a temperature sensor to sense a temperature of the battery cells; and
a controller to control the clock frequency of the device according to at least the sensed temperature,wherein the controller decreases the clock frequency if the sensed temperature is beyond a first preset critical point.
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Abstract
A computer system includes a device which operates depending on a clock frequency; a battery unit which comprises a plurality of battery cells and supplies power to the device; a temperature sensor which senses temperature of the battery cells; and a controller which decreases the clock frequency if the sensed temperature is beyond a first preset critical point.
43 Citations
23 Claims
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1. A computer system, comprising:
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a device which operates according to a clock frequency; a battery unit, which comprises a plurality of battery cells, to supply power to the device; a temperature sensor to sense a temperature of the battery cells; and a controller to control the clock frequency of the device according to at least the sensed temperature, wherein the controller decreases the clock frequency if the sensed temperature is beyond a first preset critical point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer system, comprising:
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a device which operates according to a clock frequency; a battery unit to supply power to the device; and a controller to control the clock frequency if at least one of a current output and a temperature of the battery unit is beyond a preset critical range. - View Dependent Claims (14)
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15. A battery module used in a computer system having a system part that operates according to a clock frequency, the battery module comprising:
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a battery unit, which comprises a plurality of battery cells, to supply power to the system part; a temperature sensor to sense a temperature of the battery cells; a current sensor to sense current output from the battery unit; a scaling factor unit which scales at least one of a voltage level corresponding to the sensed temperature and a voltage level corresponding to the sensed current as a dimension of a reference voltage level; a first comparator to compare a first voltage level corresponding to the sensed temperature with the reference voltage level; a second comparator to compare a second voltage level corresponding to the sensed current with the reference voltage level; and a logical sum operator to compare a first input terminal connected to an output terminal of the first comparator and a second input terminal connected to an output terminal of the second comparator, and to output a clock control signal to the system part.
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16. A power control method of a computer system that comprises a battery unit and a device operating according to a clock frequency, the power control method comprising:
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sensing temperature of the battery unit; and decreasing the clock frequency if the sensed temperature is beyond a first preset critical point. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A power control method of a computer system that comprises a battery unit and a device operating according to a clock frequency, the power control method comprising:
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sensing a temperature of the battery unit; sensing a current output from the battery unit; and decreasing the clock frequency if the sensed temperature is beyond a first preset critical point or if the sensed current is beyond a second preset critical point.
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Specification