Method and device for full-charge detection of charging equipment, MCU and power supply unit connecting line
A technology for charging equipment and power supply equipment, which is applied in the electronic field and can solve the problem of not having to detect the full charge of the charging equipment.
Active Publication Date: 2014-02-12
高立恒
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[0005] In view of this, the embodiment of the present invention provides a charging equipment full charge detection method, device, MCU and power supply equipment connection line to solve the problem that the existing power supply equipment connection line does not have the function of detecting that the charging equipment is fully charged
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[0056]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0057] figure 1 The flow chart of the method for detecting the full charge of the charging device provided by the embodiment of the present invention is applied to the MCU (Micro Control Unit, micro control unit) chip set on the connection line of the power supply device. figure 1 , the method can include:
[0058] Step S100, receiving the v...
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The embodiment of the invention provides a method and device for full-charge detection of charging equipment, an MCU and a power supply unit connecting line. The method is applied to an MCU chip arranged on the power supply unit connecting line, and comprises the steps that voltage signals collected by a first resistor on a charging line of a wire arranged on the power supply unit connecting line are received through a voltage signal acquisition circuit connected with the MCU chip; voltage values of the voltage signals are determined; whether the voltage values of the voltage signals are zero or not is judged; if the voltage values of the voltage signals are zero, it is determined that the charging equipment connected with the power supply unit connecting line is in a full-charge state; if the voltage values of the voltage signals are not zero, it is determined that the charging equipment connected with the power supply unit connecting line is in a charging state. According to the method and device for full-charge detection of the charging equipment, the MCU and the power supply unit connecting line, whether the charging equipment at the power supply unit connecting line end is fully charged or not is detected.
Description
technical field [0001] The present invention relates to the field of electronic technology, and more specifically, relates to a charging device full-charge detection method, device, MCU and power supply device connection line. Background technique [0002] The power supply equipment connection line refers to the connection line that connects the power supply equipment and the charging equipment, and transmits the current from the power supply equipment to the charging equipment. At present, the power supply equipment connection line not only has the charging function, but also has the data transmission function; the data transmission of the power supply equipment connection line The implementation of the charging and charging functions is generally based on the USB (Universal Serial Bus, Universal Serial Bus) technology. [0003] At present, the way to detect the full charge of the charging device is mainly through the built-in power management chip of the charging device. W...
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Inventor 高立胜
Owner 高立恒