CN113054716A - Charging chip, charging device and mobile terminal - Google Patents
Charging chip, charging device and mobile terminal Download PDFInfo
- Publication number
- CN113054716A CN113054716A CN202110396553.3A CN202110396553A CN113054716A CN 113054716 A CN113054716 A CN 113054716A CN 202110396553 A CN202110396553 A CN 202110396553A CN 113054716 A CN113054716 A CN 113054716A
- Authority
- CN
- China
- Prior art keywords
- interface
- charging
- processor
- charging chip
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006854 communication Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
Abstract
The application relates to a charging chip, a charging device and a mobile terminal, wherein the charging chip comprises a first interface and a second interface; the first interface is used for communicating with the processor; the second interface is used for communicating with a power adapter; the second interface is a universal asynchronous receiving and transmitting bus interface; the charging device is arranged in the mobile terminal, is used for charging the rechargeable battery of the mobile terminal, and comprises: a charging chip and a processor; the mobile terminal comprises a charging chip. According to the charging chip, the charging device and the mobile terminal, the universal asynchronous receiving and sending bus interface is integrated in the charging chip, the circuit board area occupied by the level conversion circuit and the universal asynchronous receiving and sending bus interface of the processor are omitted, the resource overhead and the wiring quantity are effectively reduced, and the cost is reduced.
Description
Technical Field
The application relates to the technical field of charging, in particular to a charging chip, a charging device and a mobile terminal.
Background
In general implementation, the communication modes of the intelligent terminal and the power adapter mainly include two types: one is to communicate through a charging confirmation signal of a C-type USB interface, and the intelligent terminal and the power adapter both need to use the C-type USB interface or use a non-standard interface in the communication mode; the second is to communicate through differential signals (D +, D-) of the USB interface, the communication mode has no requirement on the USB interface, the power adapter can adopt a standard A-type USB interface or a C-type USB interface, the intelligent terminal side can use a micro-USB interface or a C-type USB interface, and the data line is also universal.
In general implementation, on the basis of realizing communication between the intelligent terminal and the power adapter through differential signals (D +, D-) of a USB interface, communication between the processor of the intelligent terminal and the power adapter is realized by combining a universal asynchronous receiver/transmitter bus (UART), but the processor of the intelligent terminal usually adopts a 1.8V CMOS level, which is easily interfered during the communication process, and a level conversion chip is required to convert the 1.8V CMOS level into a 3.3V CMOS level or a 5VTTL level or an RS232 level, as shown in fig. 1.
In the course of conceiving and implementing the present application, the inventors found that at least the following problems existed: in the implementation, the level conversion circuit not only occupies the area of the circuit board and increases the manufacturing cost, but also occupies the universal asynchronous receiving and transmitting bus interface of the processor, and if the universal asynchronous receiving and transmitting bus interface resource of the processor is insufficient, the level conversion circuit cannot communicate with the power adapter, and cannot realize quick charging.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
In view of the above technical problems, the present application provides a charging chip, a charging device, and a mobile terminal, which save the circuit board area occupied by the level conversion circuit and the universal asynchronous receive/transmit bus interface of the processor, reduce the resource overhead and the number of wires, and reduce the cost.
In order to solve the above technical problem, the present application provides a charging chip, where the charging chip includes a first interface and a second interface; the first interface is used for communicating with the processor; the second interface is used for communicating with a power adapter; and the second interface is a universal asynchronous receiving and transmitting bus interface.
Optionally, the second interface is connected to a first signal line and a second signal line; the first signal line is used for sending a first signal to the power adapter; the second signal line is used for receiving a second signal sent by the power adapter.
Optionally, the charging chip further includes a buffer register; the buffer register is used for storing first data sent to the charging chip by the power adapter so that the processor can read the first data; the buffer register is further used for storing second data written into the charging chip by the processor, so that the charging chip can send the second data to the power adapter.
Optionally, after receiving the first data, the charging chip sends an interrupt request to the processor, and sets a corresponding interrupt flag bit.
The present application further provides a charging device, disposed in a mobile terminal, for charging a rechargeable battery of the mobile terminal, the charging device includes: a charging chip and a processor; the charging chip comprises a first interface and a second interface; the charging chip is communicated with the processor through the first interface; the charging chip is communicated with the power adapter through the second interface; and the second interface is a universal asynchronous receiving and transmitting bus interface.
Optionally, the second interface is connected to a first signal line and a second signal line; the charging chip sends a first signal to the power adapter through the first signal line; and the charging chip receives a second signal sent by the power adapter through the second signal wire.
Optionally, the charging chip further includes a buffer register; the buffer register is used for storing first data sent to the charging chip by the power adapter so that the processor can read the first data; the buffer register is further used for storing second data written into the charging chip by the processor, so that the charging chip can send the second data to the power adapter.
Optionally, after receiving the first data, the charging chip sends an interrupt request to the processor, and sets a corresponding interrupt flag bit; and the processor acquires the interrupt request, identifies the interrupt flag bit, and reads the first data when the interrupt flag bit meets a preset condition.
Optionally, the second interface is connected with a charging interface of the mobile terminal, and is connected with the power adapter through the charging interface.
Optionally, the charging interface is a universal serial bus interface; the first signal wire is connected to a positive pin of a data wire of the charging interface; the second signal line is connected to a negative pin of the data line of the charging interface.
Optionally, the processor includes a third interface and a fourth interface; the third interface is connected with the first interface; and the fourth interface is connected with a charging interface of the mobile terminal.
Optionally, the fourth interface and the charging interface are universal serial bus interfaces; the positive pin of the data line of the fourth interface is connected with the positive pin of the data line of the charging interface; and the negative pin of the data line of the fourth interface is connected with the negative pin of the data line of the charging interface.
Optionally, the processor acquires and identifies the type of an external device connected with a charging interface of the mobile terminal, and selects an interface communicating with the charging interface according to the type of the external device; the types of the external equipment comprise quick charging equipment and USB equipment.
Optionally, the charging device further includes a signal switch, and the signal switch is configured to select an interface for communicating with the charging interface.
The application further provides a mobile terminal which comprises the charging chip.
As described above, according to the charging chip, the charging device and the mobile terminal provided by the application, the universal asynchronous receiving and transmitting bus interface is integrated in the charging chip, so that the circuit board area occupied by the level conversion circuit and the universal asynchronous receiving and transmitting bus interface of the processor are omitted, the resource overhead and the wiring quantity can be effectively reduced, and the cost is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a charging device in a general implementation;
fig. 2 is a schematic structural diagram of a charging device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a charging device according to a second embodiment of the present application;
fig. 4 is a schematic structural diagram of a charging device according to a third embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, that particular meaning should be determined by their interpretation in the embodiment or further by context with the embodiment.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or," "and/or," "including at least one of the following," and the like, as used herein, are to be construed as inclusive or mean any one or any combination. For example, "includes at least one of: A. b, C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C ", again for example," A, B or C "or" A, B and/or C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.
It should be understood that, although the steps in the flowcharts in the embodiments of the present application are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or at least partially with respect to other steps or sub-steps of other steps.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.
First embodiment
Fig. 2 is a schematic structural diagram of a charging device according to an embodiment of the present application. The charging device of the present application is disposed in a mobile terminal, and is configured to charge a rechargeable battery of the mobile terminal, as shown in fig. 2, the first interface and the second interface of the present embodiment are respectively represented by S11 and S12, and the charging device of the present application includes: a charging chip 101, a processor 102;
the charging chip 101 includes a first interface and a second interface;
the charging chip 101 communicates with the processor 102 through the first interface;
the charging chip 101 communicates with the power adapter through the second interface, which is a universal asynchronous receiver/transmitter bus (UART) interface.
Optionally, the second interface of the charging chip 101 adopts a 3.3V CMOS level or a 5V TTL level.
The charging chip 101 is used for power conversion and charging state detection and protection in a charging process; the processor 102 is configured to control the charging chip 101 and the power adapter during a charging process; optionally, the power conversion function of the charging chip 101 is implemented by using an inductance energy storage converter, a charge pump converter, a buck-boost converter, or the like.
Further, a data signal line (SDA) and a clock signal line (SCL) are connected to the first interface of the charging chip 101;
the data signal line is used for transmitting data signals between the charging chip 101 and the processor 102;
the clock signal line is used for the processor 102 to send a clock signal to the charging chip 101.
Further, a first signal line and a second signal line are connected to a second interface of the charging chip 101;
the charging chip 101 sends a first signal to the power adapter through a first signal line;
the charging chip 101 receives a second signal transmitted by the power adapter through a second signal line.
Wherein, the first signal line is also called as a transmission data signal line and is denoted by TXD; the second signal line is also referred to as a reception data signal line and denoted by RXD.
Further, the charging chip 101 further includes a buffer register 103;
the buffer register 103 is used for storing first data sent by the power adapter to the charging chip 101 so that the processor 102 can read the first data;
the buffer register 103 is also used for storing the second data written into the charging chip 101 by the processor 102, so that the charging chip 101 sends the second data to the power adapter.
It should be noted that the buffer register 103 is further configured to convert the format of the first data according to a data format specified by a communication protocol between the charging chip 101 and the processor 102; and converting the format of the second data according to the data format specified by the communication protocol between the charging chip 101 and the power adapter.
Optionally, the buffer register 103 employs a serial port buffer register (SBUF).
It should be mentioned that, the first interface of the charging chip 101 is further connected to an interrupt signal line (INT), and after receiving the first data sent by the power adapter, the charging chip 101 sends an interrupt request to the processor 102 through the interrupt signal line of the first interface, and sets a corresponding interrupt flag bit; the processor 102 obtains the interrupt request and identifies an interrupt flag, and reads the first data when the interrupt flag satisfies a preset condition. Optionally, the preset condition is satisfied when the interrupt flag bit is set to 1.
It should be noted that the processor 102 is further configured to obtain and identify a type of an external device connected to a charging interface of the mobile terminal, and select an interface for communicating with the charging interface according to the type of the external device; the types of the external devices include fast charging devices (such as a power adapter, a fast charging charger and the like), and USB devices (such as a mouse, a keyboard, a USB flash disk and the like); the description is specifically made with reference to the second and third embodiments.
According to the charging device provided by the embodiment of the application, the universal asynchronous receiving and sending bus interface is integrated in the charging chip, so that the circuit board area occupied by the level conversion circuit and the universal asynchronous receiving and sending bus interface of the processor can be saved, the resource overhead and the wiring quantity are effectively reduced, and the cost is reduced.
Second embodiment
Fig. 3 is a schematic structural diagram of a charging device according to a second embodiment of the present application. As shown in fig. 3, the first interface, the second interface, the third interface, the fourth interface, and the charging interface of the mobile terminal of the present embodiment are respectively represented by S21, S22, S23, S24, and S25, and the charging device of the present application includes: a charging chip 201 and a processor 202;
the charging chip 201 comprises a first interface and a second interface;
the processor 202 comprises a third interface and a fourth interface;
the first interface of the charging chip 201 is connected to the third interface of the processor 202.
The second interface of the charging chip 201 is a universal asynchronous receive/transmit bus interface.
Optionally, the second interface of the charging chip 201 is connected to a charging interface of the mobile terminal, and is connected to the power adapter through the charging interface of the mobile terminal.
Optionally, the charging interface of the mobile terminal is a Universal Serial Bus (USB) interface;
a first signal line on a second interface of the charging chip 201 is connected to a positive electrode (D +) pin of a data line of the charging interface;
the second signal line of the second interface of the charging chip 201 is connected to the negative (D-) pin of the data line of the charging interface.
Optionally, the fourth interface of the processor 202 is connected with a charging interface of the mobile terminal.
Optionally, the fourth interface of the processor 202 and the charging interface of the mobile terminal are both Universal Serial Bus (USB) interfaces;
a positive electrode (D +) pin of a data line of a fourth interface of the processor 202 is connected with a positive electrode (D +) pin of a data line of a charging interface of the mobile terminal through a data line;
the negative (D-) pin of the data line of the fourth interface of the processor 202 is connected to the negative (D-) pin of the data line of the charging interface of the mobile terminal via a data line.
Optionally, the processor 202 obtains and identifies the type of the external device connected to the charging interface of the mobile terminal, and selects an interface for communicating with the charging interface according to the type of the external device; the types of the external devices include fast charging devices (such as a power adapter, a fast charging charger, etc.), and USB devices (such as a mouse, a keyboard, a USB disk, etc.).
Exemplarily, if the processor 202 acquires and recognizes that the external device connected to the charging interface of the mobile terminal is the power adapter, the data line connected to the D + and D-pins of the fourth interface of the processor 202 is set to be in a high-impedance state, and the second interface of the charging chip 201 is used for communicating with the power adapter; if the processor 202 acquires and recognizes that the external device connected with the charging interface of the mobile terminal is a usb disk, the first signal line and the second signal line connected to the second interface of the charging chip 201 are set to be in a high-impedance state, and the fourth interface of the processor 202 is selected to communicate with the usb disk.
According to the charging device provided by the embodiment of the application, the charging interface of the mobile terminal can transmit UART signals and can also transmit USB signals, the processor selects the interface for communicating with the charging interface according to the type of the external equipment, and the flexibility and convenience of signal transmission are improved on the basis of reducing resource overhead and wiring quantity.
Third embodiment
Fig. 4 is a schematic structural diagram of a charging device according to a third embodiment of the present application. As shown in fig. 4, the first interface, the second interface, the third interface, the fourth interface, and the charging interface of the mobile terminal of the present embodiment are respectively represented by S31, S32, S33, S34, and S35, and the charging device of the present application includes: a charging chip 301 and a processor 302;
the charging chip 301 comprises a first interface and a second interface;
the processor 302 comprises a third interface and a fourth interface;
the first interface of the charging chip 301 is connected with the third interface of the processor 302;
the second interface of the charging chip 301 is a universal asynchronous receive/transmit bus interface.
Optionally, the processor 302 acquires and identifies the type of the external device connected to the charging interface of the mobile terminal, and selects an interface for communicating with the charging interface according to the type of the external device; the types of the external devices include fast charging devices (such as a power adapter, a fast charging charger, etc.), and USB devices (such as a mouse, a keyboard, a USB disk, etc.).
Optionally, if the type of the external device connected to the charging interface of the mobile terminal is a fast charging device, the connection between the second interface of the charging chip 301 and the charging interface of the mobile terminal is established, and the power adapter is further connected through the charging interface of the mobile terminal, that is, the second interface of the charging chip 301 is used for communicating with the fast charging device.
Optionally, the charging interface of the mobile terminal is a Universal Serial Bus (USB) interface;
a first signal line on a second interface of the charging chip 301 is connected to a positive electrode (D +) pin of a data line of the charging interface;
the second signal line on the second interface of the charging chip 301 is connected to the negative (D-) pin of the data line of the charging interface.
Optionally, if the type of the external device connected to the charging interface of the mobile terminal is a USB device, the fourth interface of the processor 302 is connected to the charging interface of the mobile terminal, that is, the fourth interface of the processor 302 is used to communicate with the USB device.
Optionally, the fourth interface of the processor 302 and the charging interface of the mobile terminal are both Universal Serial Bus (USB) interfaces;
a positive electrode (D +) pin of a data line of a fourth interface of the processor 302 is connected with a positive electrode (D +) pin of a data line of a charging interface of the mobile terminal through a data line;
the negative (D-) pin of the data line of the fourth interface of the processor 302 is connected to the negative (D-) pin of the data line of the charging interface of the mobile terminal via a data line.
Optionally, the charging device further includes a signal switch 303, and the interface for communicating with the charging interface may be selected by turning on or off the second interface of the charging chip 301, the connection relationship between the fourth interface of the processor 302 and the charging interface of the mobile terminal through the signal switch 303.
For example, if the type of the external device connected to the charging interface of the mobile terminal is a fast charging device, the signal switch 303 is used to connect the second interface of the charging chip 301 to the charging interface of the mobile terminal, and simultaneously disconnect the fourth interface of the processor 302 from the charging interface of the mobile terminal, so as to select the second interface of the charging chip 301 to communicate with the fast charging device.
If the type of the external device connected with the charging interface of the mobile terminal is a USB device, the signal switch 303 is used to connect the fourth interface of the processor 302 with the charging interface of the mobile terminal, and simultaneously disconnect the second interface of the charging chip 301 with the charging interface of the mobile terminal, and the fourth interface of the processor 302 is selected to communicate with the USB device.
In the charging device provided by the third embodiment of the application, the processor determines to transmit the UART signal or the USB signal according to the type of the external device, establishes the connection between the charging interface and the corresponding interface, and selects the interface for communicating with the charging interface, so that the flexibility and convenience of signal transmission are improved on the basis of reducing the resource overhead and the number of the wires.
The application also provides a mobile terminal which comprises the charging chip. The mobile terminal includes, but is not limited to, mobile terminals such as mobile phones, wearable devices, smart bands, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the present application, the same or similar term concepts, technical solutions and/or application scenario descriptions will be generally described only in detail at the first occurrence, and when the description is repeated later, the detailed description will not be repeated in general for brevity, and when understanding the technical solutions and the like of the present application, reference may be made to the related detailed description before the description for the same or similar term concepts, technical solutions and/or application scenario descriptions and the like which are not described in detail later.
In the present application, each embodiment is described with emphasis, and reference may be made to the description of other embodiments for parts that are not described or illustrated in any embodiment.
The technical features of the technical solution of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present application should be considered as being described in the present application.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, a controlled terminal, or a network device) to execute the method of each embodiment of the present application.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (15)
1. A charging chip is characterized by comprising a first interface and a second interface;
the first interface is used for communicating with the processor;
the second interface is used for communicating with a power adapter;
and the second interface is a universal asynchronous receiving and transmitting bus interface.
2. The charging chip of claim 1, wherein a first signal line and a second signal line are connected to the second interface;
the first signal line is used for sending a first signal to the power adapter;
the second signal line is used for receiving a second signal sent by the power adapter.
3. The charging chip of claim 1, wherein the charging chip further comprises a buffer register;
the buffer register is used for storing first data sent to the charging chip by the power adapter so that the processor can read the first data;
the buffer register is further used for storing second data written into the charging chip by the processor, so that the charging chip can send the second data to the power adapter.
4. The charging chip of claim 3, wherein after receiving the first data, the charging chip sends an interrupt request to the processor and sets a corresponding interrupt flag bit.
5. A charging device provided in a mobile terminal for charging a rechargeable battery of the mobile terminal, the charging device comprising: a charging chip and a processor;
the charging chip comprises a first interface and a second interface;
the charging chip is communicated with the processor through the first interface;
the charging chip is communicated with the power adapter through the second interface;
and the second interface is a universal asynchronous receiving and transmitting bus interface.
6. The charging device according to claim 5, wherein a first signal line and a second signal line are connected to the second interface;
the charging chip sends a first signal to the power adapter through the first signal line;
and the charging chip receives a second signal sent by the power adapter through the second signal wire.
7. The charging device of claim 5, wherein the charging chip further comprises a buffer register;
the buffer register is used for storing first data sent to the charging chip by the power adapter so that the processor can read the first data;
the buffer register is further used for storing second data written into the charging chip by the processor, so that the charging chip can send the second data to the power adapter.
8. The charging device of claim 7, wherein upon receiving the first data, the charging chip sends an interrupt request to the processor and sets a corresponding interrupt flag bit;
and the processor acquires the interrupt request, identifies the interrupt flag bit, and reads the first data when the interrupt flag bit meets a preset condition.
9. The charging device according to claim 6, wherein the second interface is connected to a charging interface of the mobile terminal, and is connected to the power adapter through the charging interface.
10. The charging device of claim 9, wherein the charging interface is a universal serial bus interface;
the first signal wire is connected to a positive pin of a data wire of the charging interface;
the second signal line is connected to a negative pin of the data line of the charging interface.
11. The charging device of claim 5, wherein the processor comprises a third interface, a fourth interface;
the third interface is connected with the first interface;
and the fourth interface is connected with a charging interface of the mobile terminal.
12. The charging device of claim 11, wherein the fourth interface and the charging interface are universal serial bus interfaces;
the positive pin of the data line of the fourth interface is connected with the positive pin of the data line of the charging interface;
and the negative pin of the data line of the fourth interface is connected with the negative pin of the data line of the charging interface.
13. The charging device according to claim 5, wherein the processor acquires and identifies a type of an external device connected to the charging interface of the mobile terminal, and selects an interface for communication with the charging interface according to the type of the external device; the types of the external equipment comprise quick charging equipment and USB equipment.
14. The charging device of claim 13, further comprising a signal switch for selecting an interface for communication with the charging interface.
15. A mobile terminal, characterized in that it comprises a charging chip according to any one of claims 1-4.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311190302.5A CN117318220A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
| CN202311192654.4A CN117318221A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
| CN202110396553.3A CN113054716B (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396553.3A CN113054716B (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311190302.5A Division CN117318220A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
| CN202311192654.4A Division CN117318221A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113054716A true CN113054716A (en) | 2021-06-29 |
| CN113054716B CN113054716B (en) | 2023-08-29 |
Family
ID=76519328
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110396553.3A Active CN113054716B (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
| CN202311192654.4A Pending CN117318221A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
| CN202311190302.5A Pending CN117318220A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311192654.4A Pending CN117318221A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
| CN202311190302.5A Pending CN117318220A (en) | 2021-04-13 | 2021-04-13 | Charging chip, charging device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN113054716B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967894A (en) * | 2022-07-27 | 2022-08-30 | 荣耀终端有限公司 | Electronic device, device identification method and charging system |
| CN115603432A (en) * | 2022-12-12 | 2023-01-13 | 深圳市美矽微半导体有限公司（Cn） | Charging control chip and charging control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110314201A1 (en) * | 2009-09-19 | 2011-12-22 | Huizhou Tcl Mobile Communication Co., Ltd | Method and device for identifying universal serial bus (usb) insertion or charger insertion of mobile terminal |
| CN104993565A (en) * | 2015-08-05 | 2015-10-21 | 青岛海信移动通信技术股份有限公司 | Power supply adapter capable of charging directly |
| CN107579558A (en) * | 2017-08-28 | 2018-01-12 | 维沃移动通信有限公司 | Charge control method, charger, charging system and computer-readable recording medium |
| CN108964187A (en) * | 2018-07-24 | 2018-12-07 | 北京小米移动软件有限公司 | The charging method of terminal and terminal room |
| CN111201689A (en) * | 2017-12-11 | 2020-05-26 | 深圳市柔宇科技有限公司 | Electronic equipment and charging control method |
-
2021
- 2021-04-13 CN CN202110396553.3A patent/CN113054716B/en active Active
- 2021-04-13 CN CN202311192654.4A patent/CN117318221A/en active Pending
- 2021-04-13 CN CN202311190302.5A patent/CN117318220A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110314201A1 (en) * | 2009-09-19 | 2011-12-22 | Huizhou Tcl Mobile Communication Co., Ltd | Method and device for identifying universal serial bus (usb) insertion or charger insertion of mobile terminal |
| CN104993565A (en) * | 2015-08-05 | 2015-10-21 | 青岛海信移动通信技术股份有限公司 | Power supply adapter capable of charging directly |
| CN107579558A (en) * | 2017-08-28 | 2018-01-12 | 维沃移动通信有限公司 | Charge control method, charger, charging system and computer-readable recording medium |
| CN111201689A (en) * | 2017-12-11 | 2020-05-26 | 深圳市柔宇科技有限公司 | Electronic equipment and charging control method |
| CN108964187A (en) * | 2018-07-24 | 2018-12-07 | 北京小米移动软件有限公司 | The charging method of terminal and terminal room |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967894A (en) * | 2022-07-27 | 2022-08-30 | 荣耀终端有限公司 | Electronic device, device identification method and charging system |
| CN114967894B (en) * | 2022-07-27 | 2023-01-17 | 荣耀终端有限公司 | Electronic device, device identification method and charging system |
| CN115603432A (en) * | 2022-12-12 | 2023-01-13 | 深圳市美矽微半导体有限公司（Cn） | Charging control chip and charging control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117318221A (en) | 2023-12-29 |
| CN117318220A (en) | 2023-12-29 |
| CN113054716B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2089805B1 (en) | Enhanced communication via a serial interface | |
| CN108988431B (en) | Multi-protocol charging device and multi-protocol charging method | |
| US10468896B2 (en) | Intelligent switch system and control method | |
| CN101534349A (en) | Method and apparatus for determining external connection device in mobile terminal | |
| CN107453428B (en) | A kind of method of automatic identification apple and Android device | |
| CN101082892A (en) | Electronic device having usb interface capable of supporting multiple usb interface standards and methods of operating same | |
| EP2472733A1 (en) | Bluetooth function providing method and terminal for computer | |
| CN113054716B (en) | Charging chip, charging device and mobile terminal | |
| EP2083358A2 (en) | Information processing apparatus | |
| CN111817097A (en) | Charging control method and data line | |
| CN210692932U (en) | Interface conversion device and converter | |
| CN101833526B (en) | Electronic system and method for supporting host function | |
| CN102270860A (en) | Fast charging device of intelligent mobile phone | |
| CN212846570U (en) | Type-C interface circuit and touch-control all-in-one | |
| CN113535622A (en) | Power supply switching system, USB socket and electronic equipment | |
| CN210723605U (en) | Interface conversion device and converter | |
| EP2383860B1 (en) | Rapid charging apparatus | |
| CN201075214Y (en) | USB general-purpose data line | |
| KR100651204B1 (en) | System and Method for interfacing with external device in portable terminal | |
| US6246600B1 (en) | Multi-use battery | |
| CN213124991U (en) | A expander and docking station for Type-C interface adapter that charges | |
| CN112821156B (en) | Electronic tags chip and TYPE-C data line | |
| CN112713627B (en) | Voltage control method, voltage control device, storage medium, and electronic apparatus | |
| CN213399565U (en) | Charging circuit and electronic device | |
| CN102236374B (en) | Mainboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |