Method, apparatus, and storage medium for charge control

By combining a charge pump and a power management integrated circuit for charging, and by compensating for current based on the battery's current consumption, the problems of low charging efficiency and heat generation are solved, achieving a stable and efficient charging effect.

CN115882533BActive Publication Date: 2026-03-17BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-09-26
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In existing technologies, charging mobile phones using only charge pumps or power management integrated circuits results in low charging efficiency or overheating.

Method used

While charging the battery using the first preset charging method, the compensation current of the second preset charging method is determined based on the current consumed by the target system, and the current compensation is performed by combining the two charging methods.

Benefits of technology

It improves charging efficiency, avoids heat generation during charging, and ensures the stability and efficiency of battery charging.

✦ Generated by Eureka AI based on patent content.

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Abstract

This disclosure relates to a charging control method, apparatus, and storage medium, and pertains to the field of battery charging technology. The method includes: determining a charging current corresponding to a first preset charging method when it is determined that a first preset charging method will be used to charge the battery; obtaining a compensation current for a second preset charging method corresponding to the charging current based on the target system's current consumption; charging the battery using the first preset charging method with the charging current, and then charging the battery using the second preset charging method with the compensation current. By adding a second preset charging method during the charging process using the first preset charging method, and performing current compensation during charging, the low charging efficiency or heat generation problems caused by charging solely using the first preset charging method are resolved, ensuring that the battery charging efficiency is not affected.
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Description

Technical Field

[0001] This disclosure relates to the field of battery charging technology, and in particular to methods, apparatus and storage media for charging control. Background Technology

[0002] Nowadays, more and more mobile phones have fast charging capabilities. The relevant technologies mainly use two charging methods to charge the mobile phone battery: charge pump and power management integrated circuit (PMIC).

[0003] However, when charging a phone solely through a charge pump, a portion of the current input to the battery via the charge pump will be consumed, thus affecting the battery's charging efficiency. Similarly, when charging a phone solely through a PMIC, the PMIC itself generates heat, which will also impact the battery's charging efficiency. Summary of the Invention

[0004] To overcome the problems existing in related technologies, this disclosure provides a charging control method, apparatus and storage medium.

[0005] According to a first aspect of the present disclosure, a charging control method is provided, the method comprising: determining a charging current corresponding to the first preset charging method when it is determined that a battery is to be charged using a first preset charging method; obtaining a compensation current of a second preset charging method corresponding to the charging current based on a target system consumption current; charging the battery using the first preset charging method through the charging current, and charging the battery using the second preset charging method through the compensation current.

[0006] Optionally, if the first preset charging method includes charging the battery with a charge pump, and the second preset charging method includes charging the battery with an integrated power management circuit (PMIC), then the target system consumption current is the current system consumption current; obtaining the compensation current of the second preset charging method corresponding to the charging current based on the target system consumption current includes: determining the maximum compensation current of the PMIC based on the current system consumption current, the first preset charging efficiency of the charge pump, and the second preset charging efficiency of the PMIC; and taking the minimum value between the maximum compensation current and the current system consumption current as the compensation current.

[0007] Optionally, determining the charging current corresponding to the first preset charging mode includes: obtaining the current temperature of the battery; determining the target temperature range to which the current temperature belongs from a plurality of preset temperature ranges; and using the current value corresponding to the target temperature range as the charging current, wherein different preset temperature ranges correspond to different current values.

[0008] Optionally, if the first preset charging method includes charging the battery using the PMIC, and the second preset charging method includes charging the battery using the charge pump, then the target system consumption current is the average system consumption current, which is the average value of the total current consumed by the battery within a preset time period. The method further includes: obtaining the current charging demand of the battery; obtaining the compensation current of the second preset charging method corresponding to the charging current based on the target system consumption current includes: determining the compensation current of the second preset charging method corresponding to the charging current through a first preset current calculation strategy based on the current charging demand of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current.

[0009] Optionally, determining the charging current corresponding to the first preset charging mode includes: determining the charging current corresponding to the first preset charging mode through a second preset current calculation strategy based on the current charging demand of the battery, the first preset charging efficiency of the charge pump charging, the second preset charging efficiency of the PMIC charging, and the average system consumption current.

[0010] According to a second aspect of the present disclosure, a charging control apparatus is provided, the apparatus comprising: a first acquisition module configured to determine a charging current corresponding to the first preset charging method when it is determined that a battery is being charged using a first preset charging method; a second acquisition module configured to obtain a compensation current of a second preset charging method corresponding to the charging current based on the current consumed by a target system; and a charging module configured to charge the battery using the first preset charging method through the charging current, and to charge the battery using the second preset charging method through the compensation current.

[0011] Optionally, if the first preset charging method includes charging the battery with a charge pump, and the second preset charging method includes charging the battery with an integrated power management circuit (PMIC), then the target system consumption current is the current system consumption current; the second acquisition module is configured to determine the maximum compensation current of the PMIC based on the current system consumption current, the first preset charging efficiency of the charge pump, and the second preset charging efficiency of the PMIC; and to use the minimum value between the maximum compensation current and the current system consumption current as the compensation current.

[0012] Optionally, the first acquisition module includes: a temperature acquisition submodule configured to acquire the current temperature of the battery; a temperature determination submodule configured to determine the target temperature range to which the current temperature belongs from a plurality of preset temperature ranges; and a current determination submodule configured to use the current value corresponding to the target temperature range as the charging current, wherein different preset temperature ranges correspond to different current values.

[0013] Optionally, if the first preset charging method includes charging the battery using the PMIC, and the second preset charging method includes charging the battery using the charge pump, then the target system consumption current is the average system consumption current, and the average system consumption current is the average value of the total current consumed by the battery within a preset time period. The device further includes: a third acquisition module configured to acquire the current charging demand of the battery; and a second acquisition module configured to determine the compensation current of the second preset charging method corresponding to the charging current based on the current charging demand of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current, through a first preset current calculation strategy.

[0014] Optionally, the first acquisition module is configured to determine the charging current corresponding to the first preset charging mode based on the current charging demand of the battery, the first preset charging efficiency of the charge pump charging, the second preset charging efficiency of the PMIC charging, and the average system consumption current, through a second preset current calculation strategy.

[0015] According to a third aspect of the present disclosure, a charging control apparatus is provided, comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to perform steps of implementing the charging control method provided in the first aspect of the present disclosure.

[0016] According to a fourth aspect of the present disclosure, a computer-readable storage medium is provided that stores computer program instructions thereon, which, when executed by a processor, implement the steps of the charging control method provided in the first aspect of the present disclosure.

[0017] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0018] When it is determined that the battery will be charged using a first preset charging method, the charging current corresponding to the first preset charging method is determined; based on the target system's current consumption, a compensation current for the second preset charging method corresponding to the charging current is obtained; the battery is charged using the first preset charging method with the charging current, and then charged using the second preset charging method with the compensation current. By adding a second preset charging method to the battery charging process using the first preset charging method, and performing current compensation during the charging process, the low charging efficiency or heat generation issues caused by charging solely using the first preset charging method are resolved, ensuring that the battery charging efficiency is not affected.

[0019] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0020] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0021] Figure 1 This is a flowchart illustrating a charging control method according to an exemplary embodiment;

[0022] Figure 2 This is a flowchart illustrating another charging control method according to an exemplary embodiment;

[0023] Figure 3 This is a flowchart illustrating another charging control method according to an exemplary embodiment;

[0024] Figure 4 This is a flowchart illustrating another charging control method according to an exemplary embodiment;

[0025] Figure 5 This is a flowchart illustrating another charging control method according to an exemplary embodiment;

[0026] Figure 6 This is a block diagram illustrating a charging control device according to an exemplary embodiment;

[0027] Figure 7 This is a block diagram illustrating another charging control device according to an exemplary embodiment;

[0028] Figure 8 This is a block diagram illustrating another charging control device according to an exemplary embodiment;

[0029] Figure 9 This is a block diagram illustrating a charging control device according to an exemplary embodiment. Detailed Implementation

[0030] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.

[0031] Before introducing the charging control method, apparatus, and storage medium provided in this disclosure, the application scenarios involved in the various embodiments of this disclosure are first described. This disclosure is applied to the scenario of charging terminal devices. In this scenario, the battery can be charged using either a charge pump or a PMIC, and the charging method can be switched according to changes in battery voltage or current. For example, the charging method is switched when the voltage reaches a preset voltage threshold. When charging the battery with a charge pump, the battery can be charged at a higher power. PMICs are generally not used for high-power charging because they have low efficiency and generate significant heat. Using them for high-power charging also fails to maintain the charging speed, affecting charging efficiency. However, when charging the battery with a PMIC, the PMIC can monitor changes in the battery's current consumption and adjust the charging current input to the battery accordingly. That is, the PMIC can detect the current entering the battery and feed it back to the demand side, thereby ensuring the stability of the charging current entering the battery. However, charge pumps lack this feedback capability. When charging a battery with a charge pump, if the battery needs to output current, a portion of the current input to the battery through the charge pump will be consumed, resulting in reduced efficiency of the charge pump charging the battery. This makes it impossible to guarantee that the battery will be charged with a high current and to ensure the stability of the current entering the battery.

[0032] To address the aforementioned issues, this disclosure provides a charging control method, apparatus, and storage medium. By adding a second preset charging method to the battery during the charging process using a first preset charging method, and performing current compensation during the charging process, the low charging efficiency or heat generation issues caused by charging solely using the first preset charging method are resolved, ensuring that the battery charging efficiency is not affected.

[0033] The present disclosure will now be described in conjunction with specific embodiments.

[0034] Figure 1 This is a flowchart illustrating a charging control method according to an exemplary embodiment. Referring to Figure 1, the method is used in a terminal device, which may be a mobile terminal such as a smartphone or tablet. The method includes the following steps:

[0035] In step S101, if it is determined that the battery is charged using a first preset charging method, the charging current corresponding to the first preset charging method is determined.

[0036] The first preset charging method may include charging the battery using a charge pump or charging the battery using a PMIC.

[0037] In step S102, the compensation current of the second preset charging mode corresponding to the target system current is obtained based on the current consumed by the target system.

[0038] The target system current consumption may include the current system current consumption or the average system current consumption, which is the average of the total system current consumption over a preset time period. If the first preset charging method includes charging the battery with a charge pump and the second preset charging method includes charging the battery with a PMIC, then the target system current consumption is the current system current consumption; if the first preset charging method includes charging the battery with the PMIC and the second preset charging method includes charging the battery with the charge pump, then the target system current consumption is the average system current consumption.

[0039] It should be noted that if the first preset charging method includes charging the battery using a PMIC, the system current consumption fluctuates significantly under this charging method. Therefore, to more accurately obtain the target system current consumption, the average value of the total current consumption over a preset time period can be obtained, and this average system current consumption can be used as the target system current consumption.

[0040] In step S103, the battery is charged using the first preset charging method with the charging current, and the battery is charged using the second preset charging method with the compensation current.

[0041] Where the first preset charging method includes charging the battery using a charge pump, the second preset charging method includes charging the battery using a PMIC. Where the first preset charging method includes charging the battery using a PMIC, the second preset charging method includes charging the battery using a charge pump.

[0042] By using the above method, a second preset charging method is added to the battery charging process while the first preset charging method is being used. Current compensation is performed during the charging process to solve the problems of low charging efficiency or heat generation during the charging process caused by charging only using the first preset charging method, and to ensure that the battery charging efficiency is not affected.

[0043] In one possible implementation, the first preset charging method includes charging the battery using a charge pump, and the second preset charging method includes charging the battery using a PMIC, see reference. Figure 2 As shown, the following steps may be included:

[0044] In step S201, the current temperature of the battery is obtained.

[0045] In step S202, the target temperature range to which the current temperature belongs is determined from a plurality of preset temperature ranges.

[0046] In step S203, the current value corresponding to the target temperature range is used as the charging current.

[0047] Different preset temperature ranges correspond to different current values.

[0048] In step S204, the current system current consumption is obtained.

[0049] In step S205, the maximum compensation current of the PMIC is determined based on the current current consumed by the current system, the first preset charging efficiency of the charge pump, and the second preset charging efficiency of the PMIC.

[0050] The maximum compensation current refers to the maximum compensation current that the PMIC can provide.

[0051] In this step, the maximum compensation current of the PMIC can be obtained using the following formula:

[0052]

[0053] Among them, I max I1 is the maximum compensation current of the PMIC, I2 is the charging current of the charge pump at the current temperature, η1 is the first preset charging efficiency of the charge pump, and η2 is the second preset charging efficiency of the PMIC.

[0054] In step S206, the minimum value between the maximum compensation current and the current system consumption current is used as the compensation current.

[0055] Considering that excessive compensation current from the PMIC would cause severe overheating, the compensation current is set to the minimum of the maximum compensation current and the current system consumption current. This ensures that the PMIC does not overheat and that the battery charging efficiency is not affected. Furthermore, the PMIC can compensate for the battery's current consumption based on this compensation current, ensuring the stability of the battery charging current.

[0056] In step S207, the battery is charged using the first preset charging method with the charging current, and the battery is charged using the second preset charging method with the compensation current.

[0057] Additionally, it should be noted that when the first preset charging method includes charging the battery with a charge pump, and the second preset charging method includes charging the battery with a PMIC to compensate for charging the battery, the first supply current can be obtained by calculating the sum of the compensation current and the charging current, and the first supply current can be used as the total current required by the battery. In other words, the output power supply capacity requirement that can be sent to the charging device used to charge the battery is the first supply current.

[0058] The first supply current is used to characterize the total supply current required by the battery when the charge pump charges the battery with the charging current and the PMIC charges the battery with the compensation current.

[0059] By using the above method, a second preset charging method is added to the battery charging process while the first preset charging method is being used. Current compensation is performed during the charging process to solve the problems of low charging efficiency or heat generation during the charging process caused by charging only using the first preset charging method, and to ensure that the battery charging efficiency is not affected.

[0060] In another possible implementation, the first preset charging method includes charging the battery using the PMIC, and the second preset charging method includes charging the battery using the charge pump, see reference. Figure 3 As shown, the following steps may be included:

[0061] In step S301, the current charging current demand of the battery and the average system current consumption are obtained.

[0062] The average system current consumption is the average of the total system current consumption over a preset time period.

[0063] In step S302, the charging current corresponding to the first preset charging mode is determined by the second preset current calculation strategy based on the current charging demand of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current.

[0064] The second preset current calculation strategy may include the following first charging current calculation formula, through which the charging current corresponding to the first preset charging method is obtained:

[0065]

[0066] Where I1 is the charging current of the PMIC (first preset charging mode), η1 is the first preset charging efficiency of the charge pump, η2 is the second preset charging efficiency of the PMIC, and I sys To average the system current consumption, I bat This represents the current required for charging the battery.

[0067] In step S303, based on the current charging demand current of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current, the compensation current of the second preset charging mode corresponding to the charging current is determined by the first preset current calculation strategy.

[0068] The first preset current calculation strategy may include the following first compensation current calculation formula, which is used to obtain the compensation current for the second preset charging method corresponding to the charging current:

[0069]

[0070] Where I2 is the compensation current of the charge pump (second preset charging mode), η1 is the first preset charging efficiency of the charge pump, η2 is the second preset charging efficiency of the PMIC, and I sys To average the system current consumption, I bat This represents the current required for charging the battery.

[0071] In step S304, the battery is charged using the first preset charging method with the charging current, and the battery is charged using the second preset charging method with the compensation current.

[0072] Additionally, it should be noted that when the first preset charging method includes charging the battery using a PMIC, and the second preset charging method includes charging the battery using a charge pump for compensatory charging, the total charging current demand of the battery changes. Therefore, the sum of the average system current consumption and the charging current demand can be calculated to obtain the second supply current, which is then used as the total current required by the battery. In other words, the output power demand that can be sent to the charging device used to charge the battery at this time is the second supply current.

[0073] The second supply current is used to characterize the total supply current required by the battery when the PMIC charges the battery with the charging current and the charge pump charges the battery with the compensation current.

[0074] The second supply current can be obtained using the following formula:

[0075] I0 = Isys +I bat

[0076] Where I0 is the second supply current, I sys To average the system current consumption, I bat This represents the current required for charging the battery.

[0077] Accordingly, the charging current corresponding to the first preset charging method can also be obtained using the following second charging current calculation formula:

[0078]

[0079] Where I1 is the charging current of the PMIC (first preset charging mode), η1 is the first preset charging efficiency of the charge pump, η2 is the second preset charging efficiency of the PMIC, and I0 is the second supply current.

[0080] Accordingly, the compensation current corresponding to the second preset charging method can also be obtained using the following second compensation current calculation formula:

[0081]

[0082] Where I2 is the compensation current of the charge pump (second preset charging mode), η1 is the first preset charging efficiency of the charge pump, η2 is the second preset charging efficiency of the PMIC, and I0 is the second supply current.

[0083] By using the above method, a second preset charging method is added to the battery charging process while the first preset charging method is being used. Current compensation is performed during the charging process to solve the problems of low charging efficiency or heat generation during the charging process caused by charging only using the first preset charging method, and to ensure that the battery charging efficiency is not affected.

[0084] Figure 4 This is a flowchart illustrating another charging control method provided in this disclosure embodiment. The following description uses the first preset charging method (including charging the battery with a charge pump) and the second preset charging method (including charging the battery with a PMIC) as examples. Figure 4 As shown, the following steps may be included:

[0085] In step S401, the current temperature of the battery is obtained, and the charging current corresponding to the charge pump is obtained based on the current temperature of the battery.

[0086] In this step, the target temperature range to which the current temperature belongs can be determined from multiple preset temperature ranges; the current value corresponding to the target temperature range is used as the charging current.

[0087] In step S402, the current system consumption current is obtained, and the compensation current of the PMIC corresponding to the current charging current is obtained based on the current system consumption current.

[0088] In one possible embodiment, the compensation current can be consistent with the current consumed by the current system, that is, the current value of the compensation current is equal to the current value consumed by the current system.

[0089] To reduce the heat generation problem during PMIC charging, the maximum compensation current of the PMIC can be determined. Then, by comparing the maximum compensation current with the current consumed by the current system, the final compensation current of the PMIC can be determined.

[0090] In step S403, the maximum compensation current of the PMIC is obtained according to the charging current and the maximum compensation current calculation formula.

[0091] The formula for calculating the maximum compensation current is as follows:

[0092]

[0093] Among them, I max I1 is the maximum compensation current of the PMIC, I2 is the charging current of the charge pump at the current temperature, η1 is the first preset charging efficiency of the charge pump, and η2 is the second preset charging efficiency of the PMIC.

[0094] In step S404, it is determined whether the compensation current is greater than or equal to the maximum compensation current.

[0095] If the compensation current is greater than or equal to the maximum compensation current, proceed to step S405;

[0096] If the compensation current is less than the maximum compensation current, proceed to step S406.

[0097] In step S405, the maximum compensation current is used as the compensation current.

[0098] In step S406, the battery is charged by the charge pump using the charging current, and the battery is charged by the PMIC using the compensation current.

[0099] By using the above method, a second preset charging method is added to the battery charging process while the first preset charging method is being used. Current compensation is performed during the charging process to solve the problems of low charging efficiency or heat generation during the charging process caused by charging only using the first preset charging method, and to ensure that the battery charging efficiency is not affected.

[0100] Figure 5This is a schematic flowchart of another charging control method provided in this disclosure embodiment. The method is illustrated using an example where the first preset charging mode includes charging the battery with the PMIC, and the second preset charging mode includes charging the battery with the charge pump. (Refer to...) Figure 5 As shown, the following steps may be included:

[0101] In step S501, the current charging current demand of the battery and the average system current consumption are obtained.

[0102] The average system current consumption is the average of the total system current consumption over a preset time period.

[0103] In step S502, the charging current corresponding to the first preset charging mode is determined by the first charging current calculation formula based on the current charging demand of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current.

[0104] The formula for calculating the first charging current is as follows:

[0105]

[0106] Where I1 is the charging current of the PMIC (first preset charging mode), η1 is the first preset charging efficiency of the charge pump, η2 is the second preset charging efficiency of the PMIC, and I sys To average the system current consumption, I bat This represents the current required for charging the battery.

[0107] In step S503, the compensation current for the second preset charging mode corresponding to the charging current is determined by the first compensation current calculation formula based on the current charging demand current of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current.

[0108] The formula for calculating the first compensation current is as follows:

[0109]

[0110] Where I2 is the compensation current of the charge pump (second preset charging mode), η1 is the first preset charging efficiency of the charge pump, η2 is the second preset charging efficiency of the PMIC, and I sys To average the system current consumption, I bat This represents the current required for charging the battery.

[0111] In step S504, the PMIC is used to charge the battery with the charging current, and the charge pump is used to charge the battery with the compensation current.

[0112] By using the above method, a second preset charging method is added to the battery charging process while the first preset charging method is being used. Current compensation is performed during the charging process to solve the problems of low charging efficiency or heat generation during the charging process caused by charging only using the first preset charging method, and to ensure that the battery charging efficiency is not affected.

[0113] Figure 6 This is a block diagram illustrating a charging control device according to an exemplary embodiment. (Refer to...) Figure 6 As shown, the device 600 includes:

[0114] The first acquisition module 601 is configured to determine the charging current corresponding to the first preset charging method when it is determined that the battery is charged using a first preset charging method.

[0115] The second acquisition module 602 is configured to obtain the compensation current of the second preset charging method corresponding to the current consumed by the target system.

[0116] The charging module 603 is configured to charge the battery using the charging current in the first preset charging method and to charge the battery using the compensation current in the second preset charging method.

[0117] Optionally, if the first preset charging method includes charging the battery with a charge pump, and the second preset charging method includes charging the battery with an integrated power management circuit (PMIC), then the target system consumes the same current as the current system consumes.

[0118] The second acquisition module 602 is configured to determine the maximum compensation current of the PMIC based on the current system consumption current, the first preset charging efficiency of the charge pump, and the second preset charging efficiency of the PMIC; and to use the minimum value between the maximum compensation current and the current system consumption current as the compensation current.

[0119] Optionally, refer to Figure 7 As shown, the first acquisition module 601 includes:

[0120] Temperature acquisition submodule 6011 is configured to acquire the current temperature of the battery;

[0121] The temperature determination submodule 6012 is configured to determine the target temperature range to which the current temperature belongs from a plurality of preset temperature ranges;

[0122] The current determination submodule 6013 is configured to use the current value corresponding to the target temperature range as the charging current, with different current values ​​corresponding to different preset temperature ranges.

[0123] Optionally, if the first preset charging method includes charging the battery using the PMIC, and the second preset charging method includes charging the battery using the charge pump, then the target system current consumption is the average system current consumption, which is the average of the total current consumption of the battery over a preset time period, as referred to... Figure 8 As shown, the device 600 also includes:

[0124] The third acquisition module 604 is configured to acquire the current charging current demand of the battery.

[0125] The second acquisition module 602 is configured to determine the compensation current of the second preset charging mode corresponding to the charging current based on the current charging demand current of the battery, the first preset charging efficiency of the charge pump charging, the second preset charging efficiency of the PMIC charging, and the average system consumption current, through a first preset current calculation strategy.

[0126] Optionally, the first acquisition module 601 is configured to determine the charging current corresponding to the first preset charging mode based on the current charging demand current of the battery, the first preset charging efficiency of the charge pump charging, the second preset charging efficiency of the PMIC charging, and the average system consumption current, through a second preset current calculation strategy.

[0127] By using the above-mentioned device, a second preset charging method is added to the battery charging process using the first preset charging method, and current compensation is performed during the charging process. This solves the problems of low charging efficiency or heat generation during the charging process caused by charging only using the first preset charging method, and ensures that the battery charging efficiency is not affected.

[0128] Regarding the apparatus in the above embodiments, the specific manner in which each module performs its operation has been described in detail in the embodiments related to the method, and will not be elaborated upon here.

[0129] Figure 9 This is a block diagram illustrating a charging control device 900 according to an exemplary embodiment. For example, device 900 may be a mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical device, fitness equipment, personal digital assistant, etc.

[0130] Reference Figure 9 The device 900 may include one or more of the following components: a processing component 902, a memory 904, a power component 906, a multimedia component 908, an audio component 910, an input / output (I / O) interface 912, a sensor component 914, and a communication component 916.

[0131] Processing component 902 typically controls the overall operation of device 900, such as operations associated with display, telephone calls, data communication, camera operation, and recording. Processing component 902 may include one or more processors 920 to execute instructions to complete all or part of the steps of the charging control method described above. Furthermore, processing component 902 may include one or more modules to facilitate interaction between processing component 902 and other components. For example, processing component 902 may include a multimedia module to facilitate interaction between multimedia component 908 and processing component 902.

[0132] Memory 904 is configured to store various types of data to support the operation of device 900. Examples of this data include instructions for any application or method operating on device 900, contact data, phonebook data, messages, pictures, videos, etc. Memory 904 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk.

[0133] The power supply component 906 provides power to the various components of the device 900. The power supply component 906 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to the device 900.

[0134] Multimedia component 908 includes a screen that provides an output interface between the device 900 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundaries of a touch or swipe action but also the duration and pressure associated with the touch or swipe operation. In some embodiments, multimedia component 908 includes a front-facing camera and / or a rear-facing camera. When the device 900 is in an operating mode, such as a shooting mode or a video mode, the front-facing camera and / or the rear-facing camera may receive external multimedia data. Each front-facing camera and rear-facing camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

[0135] Audio component 910 is configured to output and / or input audio signals. For example, audio component 910 includes a microphone (MIC) configured to receive external audio signals when device 900 is in an operating mode, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 904 or transmitted via communication component 916. In some embodiments, audio component 910 also includes a speaker for outputting audio signals.

[0136] I / O interface 912 provides an interface between processing component 902 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to, home buttons, volume buttons, power buttons, and lock buttons.

[0137] Sensor assembly 914 includes one or more sensors for providing state assessments of various aspects of device 900. For example, sensor assembly 914 may detect the on / off state of device 900, the relative positioning of components such as the display and keypad of device 900, changes in position of device 900 or a component of device 900, the presence or absence of user contact with device 900, orientation or acceleration / deceleration of device 900, and temperature changes of device 900. Sensor assembly 914 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. Sensor assembly 914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, sensor assembly 914 may also include an accelerometer, a gyroscope, a magnetometer, a pressure sensor, or a temperature sensor.

[0138] Communication component 916 is configured to facilitate wired or wireless communication between device 900 and other devices. Device 900 can access wireless networks based on communication standards, such as WiFi, 2G, or 3G, or combinations thereof. In one exemplary embodiment, communication component 916 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, communication component 916 also includes a near-field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

[0139] In an exemplary embodiment, the device 900 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the above-described charging control method.

[0140] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 904 including instructions, which can be executed by a processor 920 of the device 900 to complete the charging control method described above. For example, the non-transitory computer-readable storage medium may be a ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage device, etc.

[0141] In another exemplary embodiment, a computer program product is also provided, the computer program product comprising a computer program executable by a programmable device, the computer program having a code portion for performing the above-described charging control method when executed by the programmable device.

[0142] This disclosure also provides a computer-readable storage medium having stored thereon computer program instructions that, when executed by a processor, implement the steps of the charging control method provided in this disclosure.

[0143] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of this disclosure. This application is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the following claims.

[0144] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. A method of charge control, characterized by, The method comprises: In the case of determining to charge the battery by using the first preset charging mode, determining a charging current corresponding to the first preset charging mode; According to the target system consumption current, the compensation current of the second preset charging mode corresponding to the charging current is obtained; The battery is charged by the charging current by using the first preset charging mode, and the battery is charged by the compensation current by using the second preset charging mode; If the first preset charging mode includes charging the battery by using a charge pump, and the second preset charging mode includes charging the battery by using an integrated power management circuit (PMIC), the target system consumption current is a current system consumption current; and the compensation current of the second preset charging mode corresponding to the charging current is obtained according to the target system consumption current, comprising:

2. The method of claim 1, wherein, According to the current system consumption current, the first preset charging efficiency of the charge pump charging and the second preset charging efficiency of the PMIC charging, the maximum compensation current of the PMIC is determined; The minimum value of the maximum compensation current and the current system consumption current is taken as the compensation current. The determination of the charging current corresponding to the first preset charging mode comprises:

3. The method of claim 2, wherein, Obtaining the current temperature of the battery; From a plurality of preset temperature ranges, a target temperature range to which the current temperature belongs is determined; The current value corresponding to the target temperature range is taken as the charging current, and different preset temperature ranges correspond to different current values. If the first preset charging mode includes charging the battery by using a PMIC, and the second preset charging mode includes charging the battery by using a charge pump, the target system consumption current is an average system consumption current, and the average system consumption current is an average value of the total consumption current of the battery within a preset time period, and the method further comprises:

4. The method of claim 1, wherein, Obtaining the current charging demand current of the battery; The compensation current of the second preset charging mode corresponding to the charging current is obtained according to the target system consumption current, comprising: According to the current charging demand current of the battery, the first preset charging efficiency of the charge pump charging, the second preset charging efficiency of the PMIC charging and the average system consumption current, the compensation current of the second preset charging mode corresponding to the charging current is determined by a first preset current calculation strategy. The determination of the charging current corresponding to the first preset charging mode comprises:

5. The method of claim 4, wherein, According to the current charging demand current of the battery, the first preset charging efficiency of the charge pump charging, the second preset charging efficiency of the PMIC charging and the average system consumption current, the charging current corresponding to the first preset charging mode is determined by a second preset current calculation strategy. Comprise:

6. An apparatus for charge control, characterized by ​ The first obtaining module is configured to determine a charging current corresponding to a first preset charging mode when it is determined that the first preset charging mode is used to charge the battery. The second obtaining module is configured to obtain a compensation current of a second preset charging mode corresponding to the charging current according to a target system consumption current. The charging module is configured to charge the battery by the charging current using the first preset charging mode and charge the battery by the compensation current using the second preset charging mode. When the first preset charging mode includes charging the battery using a charge pump, the second preset charging mode includes charging the battery using an integrated power management circuit (PMIC), or when the first preset charging mode includes charging the battery using a PMIC, the second preset charging mode includes charging the battery using a charge pump.

7. The apparatus of claim 6, wherein, When the first preset charging mode includes charging the battery using a charge pump and the second preset charging mode includes charging the battery using a PMIC, the target system consumption current is a current consumption of a current system. The second obtaining module is configured to determine a maximum compensation current of the PMIC according to the current system consumption current, a first preset charging efficiency of the charge pump, and a second preset charging efficiency of the PMIC. The minimum value between the maximum compensation current and the current system consumption current is taken as the compensation current.

8. The apparatus of claim 6, wherein, When the first preset charging mode includes charging the battery using a PMIC and the second preset charging mode includes charging the battery using a charge pump, the target system consumption current is an average system consumption current, which is an average value of total consumption currents of the battery within a preset time period. The apparatus further includes: A third obtaining module configured to obtain a current charging demand current of the battery. The second obtaining module is configured to determine the compensation current of the second preset charging mode corresponding to the charging current according to the current charging demand current of the battery, the first preset charging efficiency of the charge pump, the second preset charging efficiency of the PMIC, and the average system consumption current by using a first preset current calculation strategy.

9. An apparatus for charge control, characterized by The apparatus includes: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to implement the steps of the charging control method of any one of claims 1 to 5.

10. A computer-readable storage medium having stored thereon computer program instructions, wherein, The program instructions, when executed by the processor, implement the steps of the charging control method of any one of claims 1 to 5.

Citation Information

Patent Citations

  • Charging control method and device

    CN104810890A

  • Charging device, charging method and electronic equipment

    CN110601295A