Mobile terminal, direct charging source adapter and charging method
A mobile terminal and charging method technology, applied in the direction of data exchange charger, secondary battery charging/discharging, current collector, etc., can solve the problems of reducing satisfaction and charging time affecting the daily use of portable mobile terminals, etc.
Active Publication Date: 2018-05-29
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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Problems solved by technology
The long charging time seriously affects the user's daily use of portable mobile terminals, which greatly reduces user satisfaction
Method used
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Embodiment Construction
[0055] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0056] In the present invention, a mobile terminal with a built-in rechargeable battery can automatically and accurately identify what type of external device is currently inserted, so as to call different charging management modes according to different charging characteristics of different external devices, so as to realize the rationalization of charging resources Utilizing, the present invention proposes a charging method for three kinds of external devices, namely, the host, the conventional power adapter, and the directly chargeable power adapter. The method firstly configures the communication mode of the directly chargeable power source adapter, preferably using UART (serial asynchronous transceiver) communication mode to exchange data with the mobile terminal to be charged; The configuration of the interface pins of the powe...
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The invention discloses a mobile terminal, a direct chargeable source adapter and a charging method. The mobile terminal detects the short-circuit condition of two communication pins in its USB interface, and when the inserted external device is a power adapter, adopts the The power adapter communication method realizes the automatic identification of the mobile terminal to the type of external charging equipment. At the same time, a special fast charging mode is designed for the direct charging source adapter. During the concentrated charging period of the battery of the mobile terminal, the charging voltage output by the direct charging source adapter is used to directly charge the battery with a large current, and the battery is dynamically charged according to the change of the battery voltage. The volt value of the charging voltage is adjusted accurately, thus under the premise of ensuring the safety of battery charging, the charging speed of the battery is greatly improved, the time required for a single charging of the mobile terminal is shortened, and the frequent charging of the mobile terminal is reduced. 1. The impact of long-term charging on the daily use of users has greatly improved the satisfaction of users.
Description
technical field [0001] The present invention belongs to the technical field of DC charging, and in particular, relates to a method for charging a battery inside a mobile terminal, a mobile terminal and a direct-chargeable source adapter supporting the charging method. Background technique [0002] At present, portable mobile terminals have penetrated into all aspects of people's lives and become the leading force leading the advancement of the semiconductor industry. Most of the current portable mobile terminals use rechargeable batteries to supply power to the system circuits inside the products. With the increasing number of functions supported by portable products, the power consumption of their system circuits also increases. In the case of limited battery capacity, the battery life of the product after charging is gradually shortened, resulting in more frequent charging operations. . [0003] At present, there are two widely used battery charging methods: one is to us...
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IPC IPC(8): H02J7/00H01M10/44
CPCH02J7/0036H02J7/00034H02J7/04H02J7/00714H02J7/007182H02J50/10H02J50/12H02J7/0044H02J7/00H02J2207/20
Inventor 胡二勐尹荣贻张新涛杜文娟
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD