Charging circuit, electronic device and flash control method
A charging circuit and flashlight technology, applied in battery circuit devices, circuit devices, current collectors, etc., can solve the problem of incompatibility with flashlights in fast charging mode, and achieve the effect of increasing the maximum withstand voltage and increasing the reference voltage
Active Publication Date: 2022-05-13
VIVO MOBILE COMM CO LTD
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[0004] The purpose of the embodiments of the present application is to provide a charging circuit, an electronic device, and a flashlight control method, which can solve the problem of incompatibility between the fast charging mode of the electronic device and the flashlight turning on in the prior art
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0032] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," et...
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The application discloses a charging circuit, electronic equipment and a flashlight control method, which belong to the field of electronic technology. The charging circuit includes: a battery unit; a connecting terminal; the charging unit is respectively connected to the connecting terminal and the battery unit; a flashlight driving unit; a circuit protection circuit, the first end of which is connected to the connecting terminal, and the second end is connected to the input end of the flashlight driving unit , the third end is connected to the control unit; the voltage adjustment circuit, the first end of which is connected to the connection terminal and the input end of the flash drive unit, the second end is connected to the battery unit, and the third end is connected to the output end of the flash drive unit The control unit is connected to the connection terminal, the control terminal of the voltage adjustment circuit and the control terminal of the flash drive unit respectively, and is used to control the circuit protection unit and the voltage adjustment circuit when the connection terminal is connected to the charging device and the flash is working.
Description
technical field [0001] The present application belongs to the technical field of communication equipment, and in particular relates to a charging circuit, electronic equipment and a flashlight control method. Background technique [0002] With the rapid development of charging technology, in order to improve the charging efficiency of electronic devices, fast charging technologies such as half-voltage charging have emerged as the times require. like figure 1 As shown, in order to simplify the internal circuit structure of the electronic equipment, the existing electronic equipment is usually designed to share a voltage input path with the charging circuit 1 and the flash drive unit 2, and the flash drive unit 2 is connected in series at this voltage Between the input path and the ground, that is, the charging circuit 1 is connected in series between the connection terminal 3 and the battery 4, and the flash drive unit 2 is connected in series between the connection terminal...
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IPC IPC(8): H02J7/00H05B45/38
CPCH02J7/007182H05B45/38Y02B20/30
Inventor 武光维
Owner VIVO MOBILE COMM CO LTD