Mobile terminal and rapid charging method
First Claim
1. A mobile terminal, comprising:
- a battery configured to store electric energy, the battery including a battery core;
a USB interface configured to connect with a DC-charging power source adaptor;
a microprocessor configured to detect a voltage of the battery core upon detecting that the USB interface is connected with the DC-charging power source adaptor, and if the voltage of the battery core is in a range [S1, S2] delimited by preset DC-charging thresholds, calculate a target charging voltage value Vout based on the voltage of the battery core, a maximum terminal voltage supported by the battery, a resistance value on a charging line, a resistance value on a circuit board of the mobile terminal, and an inner resistance of the battery, and send the target charging voltage value Vout to the DC-charging power source adaptor to control the DC-charging power source adaptor to output a charging voltage to charge the battery, wherein the charging voltage is a target charging voltage determined by the DC-charging power source adaptor from the target charging voltage value Vout; and
a power source managing chip connected between the USB interface and the battery, the microprocessor configured to control the power source to charge the battery in a preset charging mode upon detecting that the voltage of the battery core is out of the range [S1, S2] delimited by the preset DC-charging thresholds.
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Accused Products
Abstract
The disclosure discloses a mobile terminal and a rapid charging method, where the mobile terminal includes a microprocessor configured to detect voltage of a battery core thereof upon detecting that the USB interface is connected with the DC-charging power source adaptor, if the voltage of the battery core is in a range [S1, S2] delimited by preset DC-charging thresholds, to calculate a target charging voltage value Vout from the voltage of the battery core, the maximum terminal voltage supported by the battery as well as at least one of a resistance value on a charging line, a resistance value on a circuit board of the mobile terminal, an inner resistance of the battery, and to send the target charging voltage value Vout to the DC-charging power source adaptor to control the DC-charging power source adaptor to output charging voltage to DC-charge the battery.
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Citations
15 Claims
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1. A mobile terminal, comprising:
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a battery configured to store electric energy, the battery including a battery core; a USB interface configured to connect with a DC-charging power source adaptor; a microprocessor configured to detect a voltage of the battery core upon detecting that the USB interface is connected with the DC-charging power source adaptor, and if the voltage of the battery core is in a range [S1, S2] delimited by preset DC-charging thresholds, calculate a target charging voltage value Vout based on the voltage of the battery core, a maximum terminal voltage supported by the battery, a resistance value on a charging line, a resistance value on a circuit board of the mobile terminal, and an inner resistance of the battery, and send the target charging voltage value Vout to the DC-charging power source adaptor to control the DC-charging power source adaptor to output a charging voltage to charge the battery, wherein the charging voltage is a target charging voltage determined by the DC-charging power source adaptor from the target charging voltage value Vout; and a power source managing chip connected between the USB interface and the battery, the microprocessor configured to control the power source to charge the battery in a preset charging mode upon detecting that the voltage of the battery core is out of the range [S1, S2] delimited by the preset DC-charging thresholds. - View Dependent Claims (2, 3)
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4. A rapid charging method, comprising:
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detecting, by a mobile terminal, a voltage of a battery core in a battery of the mobile terminal; if the voltage of the battery core is out of a range [S1, S2] delimited by preset DC-charging thresholds, charging the battery in a preset charging mode; if the voltage of the battery core is in the range [S1, S2] delimited by the preset DC-charging thresholds, calculating a target charging voltage value Vout based on the voltage of the battery core, a maximum terminal voltage supported by the battery, a resistance value on a charging line, a resistance value on a circuit board of the mobile terminal, and an inner resistance of the battery, and sending the target charging voltage value Vout to a DC-charging power source adaptor; and transmitting, by the mobile terminal, a charging voltage output by the DC-charging power source adaptor to the battery to charge the battery, wherein the charging voltage is a target charging voltage determined by the DC-charging power source adaptor from the target charging voltage value Vout. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification