Mobile terminal, DC-charging power source adaptor, and charging method
First Claim
1. A mobile terminal, comprising:
- a battery configured to store electrical energy;
a USB interface configured to be engaged with an external device; and
a microprocessor configured to determine whether two differential data pins of the USB interface are shorted, upon detecting an external device being inserted into the USB interface; and
if so, to communicate with the inserted external device, wherein if the external device is a DC-charging power source adaptor, then the DC-charging power source adaptor switches two communication pins of a charging interface thereof from being shorted by default to being disconnected, and communicates with the microprocessor; and
the microprocessor detects voltage of the battery after communicating successfully with the DC-charging power source adaptor, and if the voltage of a battery core lies in a range delimited by preset DC-charging thresholds, then the microprocessor controls the battery to be DC-charged using charging voltage output by the DC-charging power source adaptor, and determines a value of the charging voltage of the DC-charging power source adaptor from the current voltage of the battery core.
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Accused Products
Abstract
The disclosure discloses a mobile terminal, a DC-charging power source adaptor, and a charging method, the mobile terminal comprising: a battery configured to store electrical energy; a USB interface configured to be engaged with an external device; and a microprocessor configured to determine whether two differential data pins of the USB interface are shorted, upon detecting an external device being inserted into the USB interface; and if so, to communicate with the inserted external device, wherein if the external device is a DC-charging power source adaptor, then the DC-charging power source adaptor switches two communication pins of a charging interface thereof from being shorted by default to being disconnected, and communicates with the microprocessor; and the microprocessor detects voltage of the battery after communicating successfully with the DC-charging power source adaptor, and if the voltage of a battery core lies in a range delimited by preset DC-charging thresholds, then the microprocessor controls the battery to be DC-charged using charging voltage output by the DC-charging power source adaptor, and determines a value of the charging voltage of the DC-charging power source adaptor from the current voltage of the battery core.
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Citations
20 Claims
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1. A mobile terminal, comprising:
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a battery configured to store electrical energy; a USB interface configured to be engaged with an external device; and a microprocessor configured to determine whether two differential data pins of the USB interface are shorted, upon detecting an external device being inserted into the USB interface; and
if so, to communicate with the inserted external device, wherein if the external device is a DC-charging power source adaptor, then the DC-charging power source adaptor switches two communication pins of a charging interface thereof from being shorted by default to being disconnected, and communicates with the microprocessor; and
the microprocessor detects voltage of the battery after communicating successfully with the DC-charging power source adaptor, and if the voltage of a battery core lies in a range delimited by preset DC-charging thresholds, then the microprocessor controls the battery to be DC-charged using charging voltage output by the DC-charging power source adaptor, and determines a value of the charging voltage of the DC-charging power source adaptor from the current voltage of the battery core. - View Dependent Claims (2)
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3. A method for charging a mobile terminal, the method comprising:
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determining, by the mobile terminal, whether two differential data pins of a USB interface thereof are shorted, upon detecting an external device being inserted into the USB interface; if so, then communicating with the inserted external device; if the external device is a DC-charging power source adaptor, then switching, by the DC-charging power source adaptor, two communication pins of a charging interface thereof from being shorted by default to being disconnected, and communicating with the mobile terminal; and detecting, by the mobile terminal, voltage of the battery after communicating successfully with the DC-charging power source adaptor, and if the voltage of a battery core lies in a range delimited by preset DC-charging thresholds, then charging the battery directly using charging voltage output by the DC-charging power source adaptor, and determining a value of the charging voltage of the DC-charging power source adaptor from the current voltage of the battery core. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for charging by a DC-charging power source adaptor, the method comprising:
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configuring two communication pins in a charging interface of the DC-charging power source adaptor to be shorted by default; controlling the two communication pins of the charging interface to be disconnected, after the charging interface is connected with the mobile terminal; and communicating with the mobile terminal through the communication pins, and after the communication succeeds, determining a value of charging voltage output by the DC-charging power source adaptor from current voltage of a battery core of the mobile terminal. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification