Charging method and device, terminal, storage medium and program product

Abstract

The invention relates to a charging method and device, a terminal, a storage medium and a program product. The method comprises the steps of detecting whether a current charging mode is a target charging mode or not in a battery charging process in the terminal; the charging speed corresponding to the target charging mode is greater than a preset charging speed threshold; if the current charging mode is the target charging mode, controlling a first charging branch in the terminal to be conducted, and controlling a second charging branch in the terminal to be conducted, so as to charge a battery together through the first charging branch and the second charging branch; wherein the charging speed of the first charging branch is greater than a preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold. The method can improve the charging temperature rise of the terminal.

Description

Technical Field

[0001] The present application relates to the field of charging control technology, and in particular to a charging method, device, terminal, storage medium and program product. Background Art

[0002] With the continuous development of science and technology, terminal devices such as mobile phones have become necessary products in life. For terminal devices, how to charge effectively has also become one of the important research directions.

[0003] Currently, various charging solutions have been proposed for charging terminal devices. However, when the charging path in the terminal is working, heat concentration may occur (for example, when the current is large), thereby affecting the performance of the terminal such as charging speed. Summary of the invention

[0004] Based on this, it is necessary to provide a charging method, device, terminal, storage medium and program product that can improve the terminal charging temperature rise in response to the above-mentioned technical problems.

[0005] In a first aspect, the present application provides a charging method. The method comprises:

[0006] During the battery charging process in the terminal, detecting whether the current charging mode is a target charging mode; the charging speed corresponding to the target charging mode is greater than a preset charging speed threshold;

[0007] If the current charging mode is the target charging mode, controlling the first charging branch in the terminal to be turned on, and controlling the second charging branch in the terminal to be turned on, so as to charge the battery through the first charging branch and the second charging branch;

[0008] The charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

[0009] In a second aspect, the present application also provides a charging device. The device includes:

[0010] A detection module, used to detect whether a current charging mode is a target charging mode during battery charging in the terminal; a charging speed corresponding to the target charging mode is greater than a preset charging speed threshold;

[0011] a control module, configured to control a first charging branch in the terminal to be turned on, and control a second charging branch in the terminal to be turned on, if a current charging mode is the target charging mode, so as to charge the battery through the first charging branch and the second charging branch;

[0012] The charging speed of the first charging branch is greater than a preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

[0013] In a third aspect, the present application further provides a terminal, comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of any one of the methods described in the first aspect when executing the computer program.

[0014] In a fourth aspect, the present application further provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of any one of the methods described in the first aspect above.

[0015] In a fifth aspect, the present application further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the steps of any one of the methods described in the first aspect are implemented.

[0016] The above-mentioned charging method, device, terminal, storage medium and program product can detect whether the current charging mode is a target charging mode whose corresponding charging speed is greater than a preset charging speed threshold value during the battery charging process in the terminal; if the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, so as to charge the battery together through the first charging branch and the second charging branch. Among them, since the charging speed of the first charging branch is greater than the preset charging speed threshold value, the charging speed of the second charging branch is not greater than the preset charging speed threshold value, that is, relative to the second charging branch, the first charging branch is a charging branch for use in a fast charging mode, and correspondingly, relative to the second charging branch, the first charging branch is a charging branch for use in a non-fast charging mode, and the charging speed of the target charging mode is greater than the preset charging speed threshold value, that is, the current charging mode is relatively a fast charging mode. In this way, during the fast charging process, the battery is charged at the same time by utilizing the second charging branch in the non-fast charging mode in the terminal, so that the charging current of the first charging branch is shared by the second charging branch. For the first charging branch in the fast charging mode, the heat concentration can be improved, the single hot spot problem can be avoided, and better balanced heat distribution can be achieved, thereby avoiding the impact on terminal performance due to excessive temperature rise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a schematic flow chart of a charging method in one embodiment;

[0019] Figure 2 A schematic diagram of a charging architecture in an embodiment;

[0020] Figure 3 A schematic diagram of another charging architecture in an embodiment;

[0021] Figure 4 A schematic diagram of a flow chart of controlling branch conduction in one embodiment;

[0022] Figure 5 A schematic diagram of another charging architecture in an embodiment;

[0023] Figure 6 is a structural block diagram of a charging device in one embodiment;

[0024] Figure 7 FIG. 4 is a diagram showing the internal structure of a computer device in one embodiment. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] At present, terminal devices such as mobile phones have become necessary products in life. For terminal devices, how to charge effectively has also become one of the important research directions. Therefore, various charging schemes have been proposed for charging terminal devices. However, there is a situation where heat is concentrated when the charging path in the terminal is working (for example, when the current is large), causing terminal loss and generating a single hot spot, thereby affecting the terminal's charging speed and other performance, and reducing the terminal's charging experience.

[0027] In view of this, an embodiment of the present application provides a charging method, which can improve the temperature rise during the fast charging process of the terminal to ensure the relevant terminal performance.

[0028] It should be noted that the charging method provided in the embodiment of the present application, its execution subject can be a charging device, and the charging device can be realized as part or all of the terminal through software, hardware or a combination of software and hardware, or the charging device can become part or all of the CPU (Central Processing Unit) in the terminal. Among them, the terminal can be but is not limited to various personal computers, laptops, smart phones, tablet computers, Internet of Things devices and portable wearable devices. The Internet of Things devices can be smart speakers, smart TVs, smart car-mounted devices, etc. Portable wearable devices can be smart watches, smart bracelets, head-mounted devices, etc., as long as the terminal includes a first charging branch for use in a fast charging mode and a second charging branch for use in a non-fast charging mode, and the terminal is not specifically limited here. In the following method embodiments, the execution subject is explained as a terminal.

[0029] In one embodiment, Figure 1 As shown, a charging method is provided, which is described by taking the method applied to a terminal as an example, and includes the following steps:

[0030] Step 101: During the battery charging process in the terminal, it is detected whether the current charging mode is a target charging mode. The charging speed corresponding to the target charging mode is greater than a preset charging speed threshold.

[0031] The terminal is connected to a power adapter through a power interface, so that the battery is charged through the power connected by the adapter. During the battery charging process, the terminal can determine whether the battery is currently being charged in a target charging mode. Among them, the target charging mode can be a fast charging mode. In the embodiment of the present application, the charging speed corresponding to the target charging mode is greater than the preset charging speed threshold, and correspondingly, the target charging mode is a fast charging mode.

[0032] Among them, the fast charging mode is also called the quick charging mode, which refers to a charging mode that can make the battery reach or approach a fully charged state in a shorter time.

[0033] Optionally, when the terminal initially detects that the power is turned on through the adapter, it can obtain the preset parameters of the adapter, and determine whether the process of charging the battery through the adapter is the target charging mode according to the preset parameters of the adapter, that is, whether it is the fast charging mode. For example, it can be determined whether the voltage value and / or current value included in the preset parameters is greater than the target threshold; if the voltage value is greater than the target voltage threshold or the current value is greater than the target current threshold, it means that the charging speed at this time is greater than the preset charging speed threshold, and it is determined to be the target charging mode; if the voltage value is not greater than the target voltage threshold or the current value is not greater than the target current threshold, it means that the charging speed at this time is not greater than the preset charging speed threshold, and it is determined not to be the target charging mode.

[0034] Or, optionally, after detecting that the power is turned on through the adapter and the power is stable, the terminal may obtain preset parameters of the adapter to detect whether the current charging mode is the target charging mode.

[0035] Optionally, the terminal may also detect the battery power. During the charging process, when it is detected that the current battery power is greater than a preset power threshold, it is detected again whether the current charging mode is the target charging mode.

[0036] Step 102: If the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, so as to charge the battery through the first charging branch and the second charging branch.

[0037] The terminal is provided with a first charging branch and a second charging branch. The first charging branch and the second charging branch can be arranged in parallel in the terminal and located between the power interface and the battery, and transmit power to charge the battery when conducting. Optionally, the power interface can be a Type-C interface, which is not specifically limited here.

[0038] Among them, the charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold. That is, the charging speed of the first charging branch is greater than the charging speed of the second charging branch. As can be seen from the above, the charging speed corresponding to the target charging mode is greater than the preset charging speed threshold, and the target charging mode can be a fast charging mode. Therefore, it can be considered that the charging speed is greater than the preset charging speed threshold, which corresponds to the fast charging mode.

[0039] Therefore, in the embodiment of the present application, it can be understood that, relatively speaking, the first charging branch is a charging branch for use in the fast charging mode (that is, the target charging mode), and the second charging branch is a charging branch for use in the non-fast charging mode.

[0040] Optionally, the preset charging speed threshold may be set as the minimum charging speed of the first charging branch; or, the preset charging speed threshold may be set as the maximum charging speed of the second charging branch. Alternatively, the preset charging speed threshold may be a custom value; or, the preset charging speed threshold may be determined according to the charging speed of the adapter connected to the terminal, which is not specifically limited here.

[0041] For ease of understanding, the following description is given by taking the target charging mode as the fast charging mode, the first charging branch as the charging branch for the fast charging mode, and the second charging branch as the charging branch for the non-fast charging mode as an example.

[0042] When the terminal determines that it is in fast charging mode, the first charging branch can be controlled to be turned on. At this time, the battery is quickly charged through the first charging branch at a speed greater than the preset charging speed threshold. At the same time, the second charging branch is controlled to be turned on, that is, the battery is charged through the first charging branch and the second charging branch at the same time. In this way, the current of the first charging branch can be shared by the second charging branch, while ensuring the charging speed, avoiding the rapid concentration of heat caused by fast charging in the first charging branch, and balancing the heat distribution during the terminal charging process.

[0043] Optionally, the second charging branch may be a charging branch provided in the terminal for use when a third-party adapter is connected to charge the battery. That is, when the terminal is powered on by connecting the third-party adapter, the terminal may control the second charging branch to be turned on to transmit power to charge the battery.

[0044] Exemplarily, the CPU in the terminal may send a conduction signal to the first charging branch and the second charging branch, so that the first charging branch and the second charging branch are turned on when receiving the conduction signal.

[0045] Optionally, after the power is input from the power interface, it passes through an OVP (Over Voltage Protection) circuit and is then transmitted to the first charging branch and the second charging branch respectively for voltage stabilization.

[0046] In the above charging method, during the battery charging process in the terminal, it can be detected whether the current charging mode is a target charging mode whose corresponding charging speed is greater than a preset charging speed threshold; if the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, so as to charge the battery together through the first charging branch and the second charging branch. Among them, since the charging speed of the first charging branch is greater than the preset charging speed threshold, the charging speed of the second charging branch is not greater than the preset charging speed threshold, that is, relative to the second charging branch, the first charging branch is a charging branch for use in a fast charging mode, and correspondingly, relative to the second charging branch, the first charging branch is a charging branch for use in a non-fast charging mode, and the charging speed of the target charging mode is greater than the preset charging speed threshold, that is, the current charging mode is relatively a fast charging mode. In this way, during the fast charging process, the battery is charged at the same time by utilizing the second charging branch in the non-fast charging mode in the terminal, so that the charging current of the first charging branch is shared by the second charging branch. For the first charging branch in the fast charging mode, the heat concentration can be improved, the single hot spot problem can be avoided, and better balanced heat distribution can be achieved, thereby avoiding the impact on terminal performance due to excessive temperature rise.

[0047] In one embodiment, please refer to Figure 2, shows a schematic diagram of a charging architecture in a terminal provided by an embodiment of the present application. The first charging branch includes a first charging chip, the second charging branch includes a second charging chip, and controlling the first charging branch in the terminal to be turned on and controlling the second charging branch in the terminal to be turned on include: sending a first turn-on signal to the first charging chip so that the first charging chip is turned on under the control of the first turn-on signal; and sending a second turn-on signal to the second charging chip so that the second charging chip is turned on under the control of the second turn-on signal.

[0048] Exemplarily, the CPU in the terminal can be connected to the first charging chip and the second charging chip. When the CPU determines that the current target charging mode is the fast charging mode, it sends a first conduction signal to the first charging chip, and sends a second conduction signal to the second charging chip, thereby connecting the first charging chip and the second charging chip. Furthermore, when the first charging chip is turned on, the first charging chip can control the operation of the first charging branch, and when the second charging chip is turned on, the second charging chip can control the operation of the second charging branch.

[0049] Optionally, the first conduction signal may include charging data such as a first charging current value and / or a first charging voltage value of the first charging branch, so that the first charging chip can transmit a suitable power source to charge the battery based on the first charging signal. The second conduction signal may include charging data such as a second charging current value and / or a second charging voltage value of the second charging branch, so that the second charging chip can transmit a suitable power source to charge the battery based on the second charging signal.

[0050] It can be understood that the first charging branch includes a first charging chip and a peripheral circuit, and the second charging branch also includes a second charging chip and a peripheral circuit.

[0051] In the embodiment of the present application, by sending the first conduction signal and the second conduction signal, the first charging chip and the second charging chip can be controlled to work at the same time, so that the terminal can charge the battery through the first charging branch and the second charging branch at the same time. On the one hand, the current of the first charging branch is shared by the second charging branch to reduce the temperature rise of the first charging branch; on the other hand, on the basis of the normal operation of the first charging branch, the second charging branch is added to charge the battery at the same time, which can increase the charging power and the charging speed. Among them, the normal operation of the first charging branch can refer to the first charging branch working at the preset maximum charging current that can be achieved to charge the battery.

[0052] In one embodiment, the first charging branch is a charge pump charging path, and the second charging branch is a buck charging path.

[0053] The charge pump charging path may include a charge pump (CP), and the charge pump charging path may charge the battery by half-pressing the input voltage of the power interface through the charge pump, and the charge pump ratio may be 2:1 or 4:1, etc. For example, if the battery voltage is 3.8V, then the output voltage of the configuration adapter is about 7.8V (the specific value may be set according to the wire impedance, the routing path impedance and the battery specifications, etc.), and the battery is charged by half-pressing it to about 3.85V through the charge pump.

[0054] Optionally, multiple charge pumps can be connected in parallel to increase output power and improve charging speed. For example, if the charging power of a charge pump is 44W (11V / 4A), two charge pumps connected in parallel can reach a charging power of 88W.

[0055] The step-down charging path is also called the Buck Charger charging path, which can be used for normal charging of the battery, or can support the PD charging protocol or the QC charging protocol to charge the battery.

[0056] Please refer to Figure 3 , shows a schematic diagram of another charging architecture in a terminal provided in an embodiment of the present application, wherein the first charging chip is a charge pump charging chip, and the second charging chip is a Buck Charger charging chip.

[0057] The charge pump chip may also be referred to as CP IC. For example, the model of the charge pump chip may be HL7138. The Buck Charger chip may also be referred to as Buck Charger IC. For example, the model of the Buck Charger chip may be MT6375.

[0058] In addition, for example, Figure 3 As shown, the discharge path of the battery discharge can also be realized by controlling the Buck Charger charging chip.

[0059] In one embodiment, the first charging branch is a direct charging path, and the second charging branch is a step-down charging path. The direct charging path is, for example, a direct charging path that supports the SVOOC fast charging protocol. High-power charging such as 65W, 80W or 100W can be achieved through the direct charging path.

[0060] In one embodiment, the terminal may further include a third charging branch for use in a fast charging mode.

[0061] In one achievable manner, the third charging branch may be a charging branch for use in a fast charging mode, such as a charge pump charging path. Then, if the current charging mode is a fast charging mode, the first charging branch, the second charging branch, and the third branch in the control terminal are turned on to charge the battery through the first charging branch, the second charging branch, and the third charging branch. It can be understood that the first charging branch and the third charging branch are mainly used for fast charging. When the second charging branch is turned on at the same time, the current of the first charging branch and the third charging branch can be shared to reduce the temperature rise of the two.

[0062] In the above embodiment, since the charge pump realizes half-voltage by continuously switching the MOS switch, there is a certain loss during operation. For example, the loss is the largest when operating at maximum current, and heat concentration is more likely to occur. The embodiment of the present application simultaneously enables the charge pump path and the step-down charging path to be turned on, and the two charging chips work at the same time. In this way, the BuckCharger charging chip can also be utilized in the fast charging mode to more flexibly improve the charging power and charging speed. At the same time, the single heat source of the charge pump is distributed to avoid the concentration of a single hot spot.

[0063] Compared with the single CP charging path solution, the charging power can be increased more flexibly. The single CP charging path and the BuckCharger charging path can work in parallel to achieve a power increase of about 44W to 60W. In addition, compared with the dual CP solution (including the third charging branch), it also has great cost and circuit layout advantages.

[0064] In one embodiment, Figure 4 FIG. 1 is a flow chart of a control branch circuit conduction process provided by an embodiment of the present application. The control terminal conducts the second charging branch circuit, including:

[0065] Step 401, determining a target charging current value.

[0066] The target charging current value is determined based on the heat dissipation capacity of the first charging branch.

[0067] Optionally, the heat value, heat receiving capacity, and heat dissipation capacity of the first charging branch when charging the battery can be pre-tested, and the first charging current value of the first charging branch can be determined based on the heat dissipation capacity of the first charging branch. In this way, the target charging current value can be determined based on the charging current value of the battery and the first charging current value of the first charging branch. It should be noted that the first charging current value here can be the maximum charging current value that can be achieved while ensuring that the maximum temperature of the first charging branch when operating does not exceed the target temperature threshold.

[0068] Optionally, the target charging current value is pre-stored in the terminal, so that the target charging current value can be directly called.

[0069] Optionally, the terminal may store multiple different candidate charging current values, which are determined according to different heat dissipation levels of the first charging branch. Correspondingly, the terminal may determine a suitable target charging current value from multiple different candidate charging current values ​​based on the current temperature of the first charging branch.

[0070] Step 402: Control the second charging branch to charge the battery based on the target charging current value.

[0071] The terminal may send the target charging current value to the second charging chip so that the second charging chip distributes the current based on the target charging current value to charge the battery.

[0072] In one embodiment, controlling the second charging branch to charge the battery based on the target charging current value includes: configuring the second charging branch to pass a current less than or equal to the target charging current value to charge the battery.

[0073] The terminal controls the second charging branch to charge the battery based on the target charging current value to configure current limiting of the second charging branch.

[0074] For example, if the charging current of the battery is 5A, the target charging current value can be determined to be 2A, so that the first charging branch charges the battery with a current of 3A, and at the same time, the second charging branch charges the battery with a current of 2A or less than 2A. In addition, optionally, the input voltages of the two charging branches can be the power line voltage regulated by the adapter.

[0075] Optionally, during the charging process, the target charging current value may be updated based on the current temperature of the first charging branch. That is, the terminal may determine a new target charging current value to configure the second charging branch to continue charging the battery based on the new target charging current value.

[0076] Optionally, when the current temperature of the first charging branch is greater than a preset temperature threshold, the terminal can determine the target charging current value and control the second charging branch to charge the battery based on the target charging current value. In this way, the first charging branch can be fully utilized, and the current can be shared through the second charging branch in a timely manner to balance the heat distribution.

[0077] In the embodiment of the present application, the Buck Charger IC is fully utilized. By turning on the Buck Charger IC in the fast charging mode and setting the current output, the charging speed can be significantly improved and the charging temperature rise can be improved without increasing the cost of the charging chip, thereby achieving a better charging experience.

[0078] In one embodiment, after controlling the first charging branch in the terminal to be turned on and controlling the second charging branch in the terminal to be turned on, the charging method further includes: sending charging parameters to an adapter connected to the terminal, so that the adapter adjusts the power line voltage according to the charging parameters, and uses the adjusted power line voltage as the input voltage of the first charging branch.

[0079] The charging parameters include the current power of the battery, the battery charging current and the battery charging voltage.

[0080] Exemplarily, after configuring the target charging current value of the second charging branch, the CPU in the terminal may send charging parameters such as battery power, battery charging current, and battery charging voltage to the adapter through the power interface.

[0081] The adapter can adjust the power line (VBUS) voltage based on the charging parameters. The power line voltage is also the output voltage of the adapter and the input voltage of the charge pump. As mentioned above, the input voltage is charged to the battery after passing through the charge pump at half voltage, that is, the input voltage of the charge pump is twice the output voltage. In this way, the adapter adjusts the VBUS voltage, and a certain voltage difference is generated between the input voltage and output voltage of the charge pump of the first charging branch, ensuring that the output current of the first charging branch is constant.

[0082] It should be noted that since the operation of the charge pump is mainly related to the input-output voltage difference, and the operation of the Buck Charger path itself depends on the feedback of the internal sampling resistor, the ripple generated at its input and output during the charge pump switching process will not affect its operation (the output voltage will fluctuate during the terminal use process itself), so the parallel connection of the charge pump charging path and the Buck Charger charging path will not affect their respective working processes.

[0083] In one embodiment, if the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, including: if the current charging mode is the target charging mode, and the battery is currently in the constant current charging stage, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on.

[0084] Among them, when the adapter is connected and the terminal CPU recognizes it as the target charging mode, that is, the fast charging mode, in the high current stage, when the current is constant, it is in the constant current charging stage, and the terminal controls the first charging branch and the second charging branch to be turned on.

[0085] In one embodiment, the terminal is a foldable terminal, and the first charging chip and the second charging chip are respectively disposed on a first main board and a second main board located at two ends of a bending portion of the foldable terminal.

[0086] Please refer to Figure 5, shows a schematic diagram of another charging architecture in a terminal provided by an embodiment of the present application. For a foldable terminal, the first mainboard can be a smaller mainboard, the second mainboard can be a larger mainboard, the shaft is the bending part, and the first mainboard and the second mainboard are usually located on both sides of the shaft.

[0087] Optionally, the first charging chip (charge pump charging chip) can be arranged at the first mainboard end, and the second charging chip (Buck Charger charging chip) can be arranged at the second mainboard end. The battery can include a large battery and a small battery, and optionally, Figure 5 As shown, the large battery and the small battery can be respectively arranged on both sides of the rotating shaft, the large battery is connected to the first charging branch, and the small battery is connected to the second charging branch. The first mainboard and the second mainboard are connected via a FPC (Flexible Printed Circuit) passing through the shaft.

[0088] In this way, the heat distribution can be better balanced without increasing the hardware cost or reducing the battery capacity, significantly improving the charging speed and charging power, and improving the charging temperature rise. It can be updated for a long time on the terminal devices with up and down folding form (or left and right folding form) to achieve a better charging experience.

[0089] For ease of understanding, the Buck Charger and CP parallel dual-channel charging solution provided in the embodiment of the present application is described below with a complete embodiment.

[0090] The overall block diagram of this solution can be referred to Figure 3 As shown in the figure, the power is input from the Type-C interface, and after passing through the OVP protection circuit, it is respectively supplied to the charge pump chip (such as HL7138) of the fast charging channel and the Buck Charger chip (such as MT6375) of the Buck Charger channel.

[0091] If the adapter is connected, the terminal control chip identifies that the current battery charging is in fast charging mode. In the high current stage, the charge pump chip is turned on and the Buck Charger chip is configured to limit the current, so as to open the Buck Charger path to share the current.

[0092] Since the current is constant during fast charging, when the Buck Charger sets the input current limit, the adapter will adjust the VBUS voltage to generate a certain voltage difference between the charge pump input Vin (VBUS) and the output Vout (VBAT) to ensure a constant output current.

[0093] In the embodiment of the present application, the Buck charger IC is fully utilized. During fast charging, the Buck charger IC is turned on synchronously and the current output is set. There is no need to increase the cost of the charging chip. The charging speed can be significantly improved and the temperature rise can be improved to achieve a better charging experience, especially in the fast charging and high current stage. Compared with the previous single fast charging solution, it has great advantages and improvements in charging power, charging speed, charging temperature rise control, PCB layout and cost. Compared with the single CP solution, the charging power can be increased more flexibly, that is, the power increase of about 44W to 60W can be achieved.

[0094] It should be understood that, although the various steps in the flowcharts involved in the above-mentioned embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-mentioned embodiments can include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0095] Based on the same inventive concept, the embodiment of the present application also provides a charging device for implementing the above-mentioned charging method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the above-mentioned method, so the specific limitations in one or more charging device embodiments provided below can refer to the limitations on the charging method above, and will not be repeated here.

[0096] In one embodiment, Figure 6 As shown, a charging device is provided. The charging device 600 includes: a detection module 601 and a control module 602, wherein:

[0097] The detection module 601 is used to detect whether the current charging mode is a target charging mode during the battery charging process in the terminal; the charging speed corresponding to the target charging mode is greater than a preset charging speed threshold;

[0098] A control module 602, configured to control the first charging branch in the terminal to be turned on, and control the second charging branch in the terminal to be turned on, if the current charging mode is the target charging mode, so as to charge the battery through the first charging branch and the second charging branch;

[0099] The charging speed of the first charging branch is greater than a preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

[0100] In one embodiment, the control module 602 is specifically configured to:

[0101] Determine a target charging current value; wherein the target charging current value is determined based on the heat dissipation capacity of the first charging branch; and control the second charging branch to charge the battery based on the target charging current value.

[0102] In one embodiment, the control module 602 is specifically configured to:

[0103] The second charging branch is configured to pass a current less than or equal to a target charging current value to charge the battery.

[0104] In one embodiment, the device further includes a sending module, configured to:

[0105] Send charging parameters to an adapter connected to the terminal so that the adapter adjusts the power line voltage according to the charging parameters and uses the adjusted power line voltage as the input voltage of the first charging branch; wherein the charging parameters include the current power of the battery, the battery charging current and the battery charging voltage.

[0106] In one embodiment, the control module 602 is specifically configured to:

[0107] If the current charging mode is the target charging mode, and the battery is currently in the constant current charging stage, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on.

[0108] In one embodiment, the first charging branch includes a first charging chip, the second charging branch includes a second charging chip, and the control module 602 is specifically configured to:

[0109] A first conduction signal is sent to the first charging chip so that the first charging chip is turned on under the control of the first conduction signal; and a second conduction signal is sent to the second charging chip so that the second charging chip is turned on under the control of the second conduction signal.

[0110] In one embodiment, the first charging chip is a charge pump charging chip, and the second charging chip is a BuckCharger charging chip.

[0111] In one embodiment, the terminal is a foldable terminal, and the first charging chip and the second charging chip are respectively disposed on a first main board and a second main board located at two ends of a bending portion of the foldable terminal.

[0112] Each module in the above charging device can be implemented in whole or in part by software, hardware or a combination thereof. Each module can be embedded in or independent of a processor in a computer device in the form of hardware, or can be stored in a memory in a computer device in the form of software, so that the processor can call and execute the operations corresponding to each module.

[0113] In one embodiment, a computer device is provided. The computer device may be a terminal, and its internal structure diagram may be as follows: Figure 7 As shown. The computer device includes a processor, a memory, an input / output interface, a communication interface, a display unit and an input device. Among them, the processor, the memory and the input / output interface are connected through a system bus, and the communication interface, the display unit and the input device are connected to the system bus through the input / output interface. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The input / output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be implemented through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. When the computer program is executed by the processor, a charging method is implemented. The display unit of the computer device is used to form a visually visible picture, which can be a display screen, a projection device or a virtual reality imaging device. The display screen can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer device can be a touch layer covering the display screen, or a button, trackball or touchpad set on the computer device shell, or an external keyboard, touchpad or mouse.

[0114] Those skilled in the art will understand that Figure 7 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0115] In one embodiment, a terminal is provided, including a memory and a processor, wherein a computer program is stored in the memory, and when the processor executes the computer program, the following steps are implemented:

[0116] During the battery charging process in the terminal, it is detected whether the current charging mode is the target charging mode; the charging speed corresponding to the target charging mode is greater than the preset charging speed threshold; if the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, so as to charge the battery through the first charging branch and the second charging branch; wherein the charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

[0117] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0118] Determine a target charging current value; wherein the target charging current value is determined based on the heat dissipation capacity of the first charging branch; and control the second charging branch to charge the battery based on the target charging current value.

[0119] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0120] The second charging branch is configured to pass a current less than or equal to a target charging current value to charge the battery.

[0121] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0122] Send charging parameters to an adapter connected to the terminal so that the adapter adjusts the power line voltage according to the charging parameters and uses the adjusted power line voltage as the input voltage of the first charging branch; wherein the charging parameters include the current power of the battery, the battery charging current and the battery charging voltage.

[0123] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0124] If the current charging mode is the target charging mode, and the battery is currently in the constant current charging stage, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on.

[0125] In one embodiment, the first charging branch includes a first charging chip, the second charging branch includes a second charging chip, and the processor further implements the following steps when executing the computer program:

[0126] A first conduction signal is sent to the first charging chip so that the first charging chip is turned on under the control of the first conduction signal; and a second conduction signal is sent to the second charging chip so that the second charging chip is turned on under the control of the second conduction signal.

[0127] In one embodiment, the first charging chip is a charge pump charging chip, and the second charging chip is a BuckCharger charging chip.

[0128] In one embodiment, the terminal is a foldable terminal, and the first charging chip and the second charging chip are respectively disposed on a first main board and a second main board located at two ends of a bending portion of the foldable terminal.

[0129] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0130] During the battery charging process in the terminal, it is detected whether the current charging mode is the target charging mode; the charging speed corresponding to the target charging mode is greater than the preset charging speed threshold; if the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, so as to charge the battery through the first charging branch and the second charging branch; wherein the charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

[0131] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0132] Determine a target charging current value; wherein the target charging current value is determined based on the heat dissipation capacity of the first charging branch; and control the second charging branch to charge the battery based on the target charging current value.

[0133] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0134] The second charging branch is configured to pass a current less than or equal to a target charging current value to charge the battery.

[0135] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0136] Send charging parameters to an adapter connected to the terminal so that the adapter adjusts the power line voltage according to the charging parameters and uses the adjusted power line voltage as the input voltage of the first charging branch; wherein the charging parameters include the current power of the battery, the battery charging current and the battery charging voltage.

[0137] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0138] If the current charging mode is the target charging mode, and the battery is currently in the constant current charging stage, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on.

[0139] In one embodiment, the first charging branch includes a first charging chip, the second charging branch includes a second charging chip, and the computer program, when executed by the processor, further implements the following steps:

[0140] A first conduction signal is sent to the first charging chip so that the first charging chip is turned on under the control of the first conduction signal; and a second conduction signal is sent to the second charging chip so that the second charging chip is turned on under the control of the second conduction signal.

[0141] In one embodiment, the first charging chip is a charge pump charging chip, and the second charging chip is a BuckCharger charging chip.

[0142] In one embodiment, the terminal is a foldable terminal, and the first charging chip and the second charging chip are respectively disposed on a first main board and a second main board located at two ends of a bending portion of the foldable terminal.

[0143] In one embodiment, a computer program product is provided, comprising a computer program, which, when executed by a processor, implements the following steps:

[0144] During the battery charging process in the terminal, it is detected whether the current charging mode is the target charging mode; the charging speed corresponding to the target charging mode is greater than the preset charging speed threshold; if the current charging mode is the target charging mode, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on, so as to charge the battery through the first charging branch and the second charging branch; wherein the charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

[0145] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0146] Determine a target charging current value; wherein the target charging current value is determined based on the heat dissipation capacity of the first charging branch; and control the second charging branch to charge the battery based on the target charging current value.

[0147] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0148] The second charging branch is configured to pass a current less than or equal to a target charging current value to charge the battery.

[0149] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0150] Send charging parameters to an adapter connected to the terminal so that the adapter adjusts the power line voltage according to the charging parameters and uses the adjusted power line voltage as the input voltage of the first charging branch; wherein the charging parameters include the current power of the battery, the battery charging current and the battery charging voltage.

[0151] In one embodiment, when the computer program is executed by a processor, the following steps are also implemented:

[0152] If the current charging mode is the target charging mode, and the battery is currently in the constant current charging stage, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on.

[0153] In one embodiment, the first charging branch includes a first charging chip, the second charging branch includes a second charging chip, and the computer program, when executed by the processor, further implements the following steps:

[0154] A first conduction signal is sent to the first charging chip so that the first charging chip is turned on under the control of the first conduction signal; and a second conduction signal is sent to the second charging chip so that the second charging chip is turned on under the control of the second conduction signal.

[0155] In one embodiment, the first charging chip is a charge pump charging chip, and the second charging chip is a BuckCharger charging chip.

[0156] In one embodiment, the terminal is a foldable terminal, and the first charging chip and the second charging chip are respectively disposed on a first main board and a second main board located at two ends of a bending portion of the foldable terminal.

[0157] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited to this. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, etc., but are not limited to this.

[0158] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0159] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A charging method, characterized in that: The method comprises: During the battery charging process in the terminal, detecting whether the current charging mode is a target charging mode; the charging speed corresponding to the target charging mode is greater than a preset charging speed threshold; If the current charging mode is the target charging mode, controlling the first charging branch in the terminal to be turned on, and controlling the second charging branch in the terminal to be turned on, so as to charge the battery through the first charging branch and the second charging branch; The charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

2. The method according to claim 1, characterized in that The controlling the second charging branch in the terminal to be turned on includes: Determining a target charging current value; wherein the target charging current value is determined based on the heat dissipation capacity of the first charging branch; The second charging branch is controlled to charge the battery based on the target charging current value.

3. The method according to claim 2, characterized in that The controlling the second charging branch to charge the battery based on the target charging current value includes: The second charging branch is configured to pass a current less than or equal to the target charging current value to charge the battery.

4. The method according to claim 1, characterized in that: After controlling the first charging branch in the terminal to be turned on and controlling the second charging branch in the terminal to be turned on, the method further includes: Sending charging parameters to an adapter connected to the terminal, so that the adapter adjusts the power line voltage according to the charging parameters, and uses the adjusted power line voltage as the input voltage of the first charging branch; The charging parameters include the current power of the battery, the battery charging current and the battery charging voltage.

5. The method according to claim 1, characterized in that If the current charging mode is the target charging mode, controlling the first charging branch in the terminal to be turned on, and controlling the second charging branch in the terminal to be turned on, comprises: If the current charging mode is the target charging mode, and the battery is currently in a constant current charging stage, the first charging branch in the terminal is controlled to be turned on, and the second charging branch in the terminal is controlled to be turned on.

6. The method according to any one of claims 1 to 5, characterized in that: The first charging branch includes a first charging chip, the second charging branch includes a second charging chip, and the controlling the first charging branch in the terminal to be turned on and the controlling the second charging branch in the terminal to be turned on include: sending a first conduction signal to the first charging chip, so that the first charging chip is turned on under the control of the first conduction signal; and, A second conduction signal is sent to the second charging chip, so that the second charging chip is turned on under the control of the second conduction signal.

7. The method according to claim 6, characterized in that The first charging chip is a charge pump charging chip, and the second charging chip is a Buck Charger charging chip.

8. The method according to claim 7, characterized in that The terminal is a foldable terminal, and the first charging chip and the second charging chip are respectively arranged on a first main board and a second main board located at two ends of a bending portion of the foldable terminal.

9. A charging device, characterized in that: The device comprises: A detection module, used to detect whether a current charging mode is a target charging mode during battery charging in the terminal; a charging speed corresponding to the target charging mode is greater than a preset charging speed threshold; a control module, configured to control the first charging branch in the terminal to be turned on, and control the second charging branch in the terminal to be turned on, if the current charging mode is the target charging mode, so as to charge the battery through the first charging branch and the second charging branch; The charging speed of the first charging branch is greater than the preset charging speed threshold, and the charging speed of the second charging branch is not greater than the preset charging speed threshold.

10. A terminal comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 8 are implemented.

11. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 8 are implemented.

12. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 8 are implemented.

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