Gauging method for battery discharge-capacity corresponding to temperature and electronic device using the same
First Claim
1. A gauging method for a battery discharge-capacity corresponding to a temperature, applicable to an electronic device, the gauging method comprising the steps of:
- detecting a temperature of a battery module of the electronic device according to a predetermined condition;
detecting the internal impedance of the battery module and estimating the battery discharge-capacity of the battery module according to the internal impedance when the temperature meets the predetermined condition; and
detecting a voltage and an output current of the battery module and calculating the battery discharge-capacity of the battery module according to the temperature, the voltage and the output current when the temperature does not meet the predetermined condition.
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Abstract
A gauging method for a battery discharge-capacity corresponding to a temperature includes steps of detecting a temperature of a battery module of an electronic device according to a predetermined condition; detecting an internal impedance of the battery module and estimating the battery discharge-capacity of the battery module according to the internal impedance if the temperature meets the predetermined condition; and detecting an output current and a voltage of the battery module according to the temperature and calculating the battery discharge-capacity of the battery module according to the temperature, the voltage and the output current if the temperature does not meet the predetermined condition.
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Citations
15 Claims
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1. A gauging method for a battery discharge-capacity corresponding to a temperature, applicable to an electronic device, the gauging method comprising the steps of:
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detecting a temperature of a battery module of the electronic device according to a predetermined condition; detecting the internal impedance of the battery module and estimating the battery discharge-capacity of the battery module according to the internal impedance when the temperature meets the predetermined condition; and detecting a voltage and an output current of the battery module and calculating the battery discharge-capacity of the battery module according to the temperature, the voltage and the output current when the temperature does not meet the predetermined condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electronic device for gauging a battery discharge-capacity corresponding to a temperature, comprising:
- a battery module for supplying power to the electronic device;
a temperature sensing unit for measuring a temperature of the battery module;
a storing unit for storing a predetermined condition; and
a processing unit coupled to the battery module, the temperature sensing unit, and the storing unit to receive the temperature, wherein, when the temperature meets the predetermined condition, the processing unit will detect the internal impedance of the battery module and estimate the battery discharge-capacity of the battery module according to the internal impedance, wherein, when the temperature does not meet the predetermined condition, the processing unit will detect a voltage and an output current of the battery module and calculate the battery discharge-capacity of the battery module according to the temperature, the voltage and the output current. - View Dependent Claims (11, 12, 13, 14, 15)
- a battery module for supplying power to the electronic device;
Specification