CN112751384B - Electronic equipment control method and electronic equipment - Google Patents
Electronic equipment control method and electronic equipment Download PDFInfo
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- CN112751384B CN112751384B CN202011601950.1A CN202011601950A CN112751384B CN 112751384 B CN112751384 B CN 112751384B CN 202011601950 A CN202011601950 A CN 202011601950A CN 112751384 B CN112751384 B CN 112751384B
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- battery
- electrically connected
- battery protection
- pin
- protection chip
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
Abstract
The application discloses a control method of electronic equipment and the electronic equipment, and belongs to the technical field of batteries. The electronic device includes: the battery protection circuit comprises a battery and a battery protection chip, wherein the battery and the battery protection chip are arranged on the equipment main body and are electrically connected with the battery; the battery protection chip comprises a control function pin, and the battery protection chip is used for interrupting the power supply of the battery to the equipment main body under the condition that the control function pin is electrically connected with a target level. Thus, the power supply of the battery to the equipment main body can be interrupted without disassembling the battery, and the interruption operation of the power supply function of the battery is simplified.
Description
Technical Field
The application belongs to the technical field of batteries, and particularly relates to a control method of electronic equipment and the electronic equipment.
Background
With the development of technology, batteries of electronic devices such as mobile phones are generally built-in, and are inconvenient to detach. When the power consumption of the electronic equipment is abnormal, the power supply of the battery is generally required to be interrupted; but it is difficult to cut off the power supply of the battery due to inconvenient disassembly of the battery.
As can be seen, in the related art, the power supply function of the battery of the electronic device has a problem of difficult disconnection.
Disclosure of Invention
The application aims to provide a control method of electronic equipment and the electronic equipment, at least solving the problem that in the related art, the power supply function of a battery of the electronic equipment is difficult to cut off.
In order to solve the technical problems, the application is realized as follows:
in a first aspect, an embodiment of the present application proposes an electronic device, including: the battery protection circuit comprises a battery and a battery protection chip, wherein the battery and the battery protection chip are arranged on the equipment main body and are electrically connected with the battery;
the battery protection chip comprises a control function pin, and the battery protection chip is used for interrupting the power supply of the battery to the equipment main body under the condition that the control function pin is electrically connected with a target level.
Optionally, in the case that the battery protection chip is a high-level battery protection chip, the target level is a high level;
in the case where the battery protection chip is a low-level battery protection chip, the target level is a low level.
Optionally, the battery protection circuit further includes an external input port and a first resistor, a first end of the first resistor is electrically connected with the control function pin, and a second end of the first resistor is electrically connected with the external input port;
the external input port is used for receiving the target level input by external equipment.
Optionally, the battery protection circuit further includes a first switch and a second resistor, a first end of the second resistor is electrically connected with the control function pin, and a second end of the second resistor is electrically connected with a first end of the first switch;
the second end of the first switch is electrically connected with the anode of the battery under the condition that the battery protection chip is the high-level battery protection chip;
the second end of the first switch is grounded under the condition that the battery protection chip is the low-level battery protection chip;
optionally, the battery protection circuit includes a first port and a second port, where the first port is a connection port where an anode of the battery is electrically connected to the device main body, and the second port is a connection port where a cathode of the battery is electrically connected to the device main body;
the battery protection circuit further comprises a first MOS tube switch and a second MOS tube switch, and the battery protection chip comprises a first pin and a second pin;
the grid electrode of the first MOS tube switch is electrically connected with the first pin, the source electrode of the first MOS tube switch is electrically connected with the negative electrode of the battery, the drain electrode of the first MOS tube switch is electrically connected with the drain electrode of the second MOS tube switch, the grid electrode of the second MOS tube switch is electrically connected with the second pin, and the source electrode of the second MOS tube switch is electrically connected with the second port;
and under the condition that the control function pin is electrically connected with a target level, the battery protection chip is used for controlling the first MOS tube switch and the second MOS tube switch to be in an off state so as to interrupt the power supply of the battery to the equipment main body.
Optionally, the battery protection circuit further includes a third resistor, the battery protection chip further includes a third pin, a first end of the third resistor is electrically connected with a negative electrode of the battery, and a second end of the third resistor is electrically connected with the third pin and a source stage of the first MOS transistor switch respectively.
Optionally, the battery protection circuit further includes a fourth resistor, the battery protection chip further includes a fourth pin, a first end of the fourth resistor is electrically connected to the fourth pin, and a second end of the fourth resistor is electrically connected to the second port and the source of the second MOS transistor switch respectively.
Optionally, the battery protection circuit further includes a fifth resistor and a first capacitor, and the battery protection chip further includes a fifth pin and a sixth pin;
the first end of the fifth resistor is electrically connected with the positive electrode of the battery, and the second end of the fifth resistor is electrically connected with the fifth pin;
the first end of the first capacitor is electrically connected with the positive electrode of the battery, the second end of the first capacitor is electrically connected with the negative electrode of the battery, and the sixth pin is electrically connected with the negative electrode of the battery.
Optionally, the second end of the first capacitor is grounded.
In a second aspect, an embodiment of the present application proposes a control method of an electronic device, where the electronic device includes a device body and a battery protection circuit, where the battery protection circuit includes a battery and a battery protection chip, and where the battery protection chip includes a control function pin, and the method includes:
generating control information under the condition that the control function pins are electrically connected with a target level;
and based on the control information, interrupting power supply of the battery to the device main body.
In the embodiment of the application, the battery protection chip can be triggered to start the protection function of the battery by electrically connecting the control function pins with the target level, and the power supply of the battery to the equipment main body is interrupted, so that the power supply of the battery to the equipment main body is interrupted under the condition that the battery is not dismounted, the interruption operation of the power supply function of the battery is simplified, and the performance test of the electronic equipment can be conveniently carried out.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:
fig. 1 is one of the block diagrams of an electronic device provided in an embodiment of the present application;
FIG. 2 is a second block diagram of an electronic device according to an embodiment of the present application;
FIG. 3 is a third block diagram of an electronic device provided in an embodiment of the present application;
fig. 4 is a flowchart of a control method of an electronic device provided in an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
As shown in fig. 1 to 3, an embodiment of the present application provides an electronic device, including a device main body 10 and a battery protection circuit 20, where the battery protection circuit 20 includes a battery 21 and a battery protection chip 22, the battery 21 and the battery protection chip 22 are both disposed on the device main body 10, and the battery protection chip 22 is electrically connected with the battery 21;
the battery protection chip 22 includes a control function pin 221, and in the case where the control function pin 221 is electrically connected to the target level, the battery protection chip 22 serves to interrupt the power supply of the device body 10 by the battery 21.
In this embodiment, the battery protection chip 22 is triggered to start the protection function of the battery 21 and interrupt the power supply of the battery 21 to the device main body 10 by electrically connecting the control function pin 221 to the target level, so that the power supply of the battery 21 to the device main body 10 is interrupted without disassembling the battery, the interruption operation of the power supply function of the battery 21 is simplified, and some performance tests on the electronic device can be conveniently performed.
In this case, by interrupting the power supply from the battery 21 to the apparatus main body 10, abnormality detection of the battery 21 or the apparatus main body 10 can be achieved. For example, in the use of the electronic device, it is found that the power consumption rate of the electronic device is high, and in order to detect whether the battery 21 is defective or the device main body 10 is defective, it is necessary to interrupt the power supply of the battery 21 to the device main body 10 so as to perform separate detection of the battery 21 and the device main body 10, so as to confirm whether the power consumption rate is high because the battery 21 is defective or the device main body 10 is defective.
Wherein the target level is one of a high level and a low level, and the target level may be determined according to a type of the battery protection chip.
Alternatively, in the case where the battery protection chip 22 is a high-level battery protection chip, the target level is a high level, that is, in the case where the battery protection chip 22 is a high-level battery protection chip, by electrically connecting the high level to the control function pin 221, the battery protection chip 22 may be triggered to start the protection function of the battery 21, so as to achieve the purpose of interrupting the power supply of the battery 21 to the device body 10.
Optionally, in the case that the battery protection chip 22 is a low-level battery protection chip, the target level is a low level, that is, in the case that the battery protection chip 22 is a low-level battery protection chip, by electrically connecting the low level to the control function pin 22, the battery protection chip 22 may be triggered to start the protection function of the battery 21, so as to achieve the purpose of interrupting the power supply of the battery 21 to the device body 10.
As shown in fig. 1, the battery protection circuit 20 further includes an external input port 231 and a first resistor 241, a first end of the first resistor 241 is electrically connected to the control function pin 221, a second end of the first resistor 241 is electrically connected to the external input port 231, and the external input port 231 is used for receiving a target level input by an external device (not shown).
In this embodiment, the external device may be a multimeter, an ammeter, a voltmeter, or the like capable of inputting a high level or a low level, and the external device is connected to the control function pin 22 electrically by inputting the high level or the low level to the external input port 231, so as to trigger the battery protection chip 22 to start the protection function of the battery 21, thereby achieving the purpose of interrupting the power supply of the battery 21 to the device main body 10.
Optionally, the battery protection circuit 20 further includes a first switch 251 and a second resistor 242, a first end of the second resistor 242 is electrically connected to the control function pin 221, and a second end of the second resistor 242 is electrically connected to the first end of the first switch 251;
in the case where the battery protection chip 22 is a high-level battery protection chip, the second end of the first switch 251 is electrically connected to the positive electrode of the battery 21;
in the case where the battery protection chip 22 is a low-level battery protection chip, the second terminal of the first switch 251 is grounded.
As shown in fig. 2, when the battery protection chip 22 is a high-level battery protection chip, the second end of the first switch 251 is electrically connected with the positive electrode of the battery 21, so as to input a high level to the control function pin 22, and further trigger the battery protection chip 22 to start the protection function of the battery 21, so as to achieve the purpose of interrupting the power supply of the battery 21 to the device main body 10.
As shown in fig. 3, in the case that the battery protection chip 22 is a low-level battery protection chip, the second ground of the first switch 251 is connected to the ground so as to input a low level to the control function pin 22, and thus trigger the battery protection chip 22 to start the protection function of the battery 21, so as to achieve the purpose of interrupting the power supply of the battery 21 to the device main body 10.
Optionally, the battery protection circuit 20 includes a first port 232 and a second port 233, where the first port 232 is a connection port where the positive electrode of the battery 21 is electrically connected to the device main body 10, and the second port 233 is a connection port where the negative electrode of the battery 21 is electrically connected to the device main body 10;
the battery protection circuit 20 further includes a first MOS transistor switch 252 and a second MOS transistor switch 253, and the battery protection chip 22 includes a first pin 222 and a second pin 223;
the grid electrode of the first MOS tube switch 252 is electrically connected with the first pin 222, the source electrode of the first MOS tube switch 252 is electrically connected with the negative electrode of the battery 21, the drain electrode of the first MOS tube switch 252 is electrically connected with the drain electrode of the second MOS tube switch 253, the grid electrode of the second MOS tube switch 253 is electrically connected with the second pin 223, and the source electrode of the second MOS tube switch 253 is electrically connected with the second port 233;
in the case where the control function pin 221 is electrically connected to the target level, the battery protection chip 22 is configured to control the first MOS transistor switch 252 and the second MOS transistor switch 253 to be in an off state, so as to interrupt the power supply of the battery 21 to the apparatus body 10.
In this embodiment, the first MOS switch 252 and the second MOS switch 253 may be controlled to be in an off state by the battery protection chip 22 to interrupt the power supply of the battery 21 to the apparatus body 10.
The first pin 222 may be a discharge control pin of the battery protection chip 22, and the first MOS switch 252 may control the discharge process of the battery 21, such as interrupting the discharge process of the battery 21, during the discharge process of the battery 21.
Accordingly, the second pin 223 may be a charging control pin of the battery protection chip 22, and the second MOS switch 253 may control the charging process of the battery 21, such as interrupting the charging process of the battery 21.
Optionally, the battery protection circuit 20 further includes a third resistor 243, the battery protection chip 22 further includes a third pin 224, a first end of the third resistor 243 is electrically connected to the negative electrode of the battery 21, and a second end of the third resistor 243 is electrically connected to the third pin 224 and the source electrode of the first MOS transistor switch 252 respectively.
The third pin 224 may be an over-current detection pin of the battery protection chip 22, and when the third pin 224 detects that an over-current occurs in the charging and discharging process of the battery 21, that is, the current in the charging and discharging process is higher than the preset current, the battery protection chip 22 triggers the over-current protection of the battery 21, and controls the first MOS transistor switch 252 and the second MOS transistor switch 253 to be in an off state, so as to interrupt the charging and discharging process of the battery 21.
Optionally, the battery protection circuit 20 further includes a fourth resistor 244, the battery protection chip 22 further includes a fourth pin 225, a first end of the fourth resistor 244 is electrically connected to the fourth pin 225, and a second end of the fourth resistor 244 is electrically connected to the second port 233 and a source of the second MOS transistor switch 253, respectively.
The fourth pin 244 may be an interrupt recovery pin of the battery protection chip 22, for example, when the fourth pin 244 detects that the charging and discharging of the battery 21 are recovered, the battery protection chip 22 may control the first MOS transistor switch 252 and the second MOS transistor switch 253 to be in a conductive state so as to recover the charging and discharging process of the battery 21.
Optionally, the battery protection circuit 20 further includes a fifth resistor 245 and a first capacitor 246, and the battery protection chip 22 further includes a fifth pin 226 and a sixth pin 227;
a first end of the fifth resistor 245 is electrically connected with the positive electrode of the battery 21, and a second end of the fifth resistor 245 is electrically connected with the fifth pin 226;
the first end of the first capacitor 246 is electrically connected to the positive electrode of the battery 21, the second end of the first capacitor 246 is electrically connected to the negative electrode of the battery 21, and the sixth pin 227 is electrically connected to the negative electrode of the battery 21.
In addition, the second end of the first capacitor 246 may also be grounded.
As shown in fig. 4, the embodiment of the present application further provides a control method of an electronic device, where the method may be applied to the electronic device as in the embodiments of fig. 1 to 3, and includes the following steps:
step 401, generating control information when the control function pin is electrically connected to a target level.
In this step, the battery protection chip may generate control information in case that the control function pin is connected to the target level.
Wherein the target level is related to the type of battery protection chip. For example, in the case where the battery protection chip is a high-level battery protection chip, the target level is a high level; accordingly, in the case where the battery protection chip is a low-level battery protection chip, the target level is a low level.
And step 402, based on the control information, interrupting the power supply of the battery to the equipment main body.
In this step, the control information is used to interrupt the power supply of the battery to the apparatus main body.
Therefore, the battery protection chip can be triggered to start the protection function of the battery by electrically connecting the control function pins with the target level, and the power supply of the battery to the equipment main body is interrupted, so that the power supply of the battery to the equipment main body is interrupted under the condition that the battery is not dismounted, the interruption operation of the power supply function of the battery is simplified, and the electronic equipment can be conveniently subjected to some performance tests.
The connection relationships between the control function pins, the battery protection chip, the battery, the device main body, and other components in this embodiment may refer to the connection relationships between the components in the foregoing embodiment, and will not be described herein again.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. An electronic device, comprising: the battery protection circuit comprises a battery and a battery protection chip, wherein the battery and the battery protection chip are arranged on the equipment main body and are electrically connected with the battery;
the battery protection chip comprises a control function pin, and the battery protection chip is used for interrupting the power supply of the battery to the equipment main body under the condition that the control function pin is electrically connected with a target level;
in the case that the battery protection chip is a high-level battery protection chip, the target level is a high level;
in the case that the battery protection chip is a low-level battery protection chip, the target level is a low level;
the battery protection circuit further comprises an external input port and a first resistor, wherein a first end of the first resistor is electrically connected with the control function pin, and a second end of the first resistor is electrically connected with the external input port;
the external input port is used for receiving the target level input by external equipment;
the battery protection circuit further comprises a first MOS tube switch and a second MOS tube switch, and the battery protection chip comprises a first pin and a second pin;
under the condition that the control function pin is electrically connected with a target level, the battery protection chip is used for controlling the first MOS tube switch and the second MOS tube switch to be in an off state so as to interrupt the power supply of the battery to the equipment main body;
the battery protection circuit further comprises a fourth resistor, the battery protection chip further comprises a fourth pin, a first end of the fourth resistor is electrically connected with the fourth pin, and a second end of the fourth resistor is electrically connected with the second port and a source electrode of the second MOS tube switch respectively.
2. The electronic device according to claim 1, wherein the battery protection circuit includes a first port that is a connection port through which a positive electrode of the battery is electrically connected to the device main body, and a second port that is a connection port through which a negative electrode of the battery is electrically connected to the device main body;
the grid electrode of the first MOS tube switch is electrically connected with the first pin, the source electrode of the first MOS tube switch is electrically connected with the negative electrode of the battery, the drain electrode of the first MOS tube switch is electrically connected with the drain electrode of the second MOS tube switch, the grid electrode of the second MOS tube switch is electrically connected with the second pin, and the source electrode of the second MOS tube switch is electrically connected with the second port.
3. The electronic device of claim 2, wherein the battery protection circuit further comprises a third resistor, the battery protection chip further comprises a third pin, a first end of the third resistor is electrically connected with a negative electrode of the battery, and a second end of the third resistor is electrically connected with the third pin and a source of the first MOS transistor switch, respectively.
4. The electronic device of claim 2, wherein the battery protection circuit further comprises a fifth resistor and a first capacitor, and the battery protection chip further comprises a fifth pin and a sixth pin;
the first end of the fifth resistor is electrically connected with the positive electrode of the battery, and the second end of the fifth resistor is electrically connected with the fifth pin;
the first end of the first capacitor is electrically connected with the positive electrode of the battery, the second end of the first capacitor is electrically connected with the negative electrode of the battery, and the sixth pin is electrically connected with the negative electrode of the battery.
5. The electronic device of claim 4, wherein the second terminal of the first capacitor is grounded.
6. A control method of an electronic device, using the electronic device according to any one of claims 1 to 5, characterized in that the electronic device includes a device main body and a battery protection circuit, the battery protection circuit includes a battery and a battery protection chip, the battery protection chip includes a control function pin, the method includes:
generating control information under the condition that the control function pins are electrically connected with a target level;
and based on the control information, interrupting power supply of the battery to the device main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011601950.1A CN112751384B (en) | 2020-12-30 | 2020-12-30 | Electronic equipment control method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011601950.1A CN112751384B (en) | 2020-12-30 | 2020-12-30 | Electronic equipment control method and electronic equipment |
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| CN112751384A CN112751384A (en) | 2021-05-04 |
| CN112751384B true CN112751384B (en) | 2024-03-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600676A (en) * | 2015-01-29 | 2015-05-06 | 天地融科技股份有限公司 | Battery protection circuit, electric energy supply device and electronic device |
| CN106129969A (en) * | 2016-07-29 | 2016-11-16 | 宇龙计算机通信科技(深圳)有限公司 | Battery protecting circuit, battery and mobile terminal |
| WO2017101231A1 (en) * | 2015-12-18 | 2017-06-22 | 深圳市中孚能电气设备有限公司 | Portable power circuit for lamp and lamp |
| CN107579562A (en) * | 2017-09-04 | 2018-01-12 | 深圳市沃特沃德股份有限公司 | Mobile terminal and battery cell protection circuit |
| CN208368568U (en) * | 2018-05-29 | 2019-01-11 | 北京摩拜科技有限公司 | A kind of battery pack and electrical equipment |
| CN209938374U (en) * | 2019-05-13 | 2020-01-14 | 电子科技大学中山学院 | Lithium battery management protection circuit |
-
2020
- 2020-12-30 CN CN202011601950.1A patent/CN112751384B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600676A (en) * | 2015-01-29 | 2015-05-06 | 天地融科技股份有限公司 | Battery protection circuit, electric energy supply device and electronic device |
| WO2016119694A1 (en) * | 2015-01-29 | 2016-08-04 | 天地融科技股份有限公司 | Battery protection circuit, electrical energy providing device and electronic device |
| WO2017101231A1 (en) * | 2015-12-18 | 2017-06-22 | 深圳市中孚能电气设备有限公司 | Portable power circuit for lamp and lamp |
| CN106129969A (en) * | 2016-07-29 | 2016-11-16 | 宇龙计算机通信科技(深圳)有限公司 | Battery protecting circuit, battery and mobile terminal |
| CN107579562A (en) * | 2017-09-04 | 2018-01-12 | 深圳市沃特沃德股份有限公司 | Mobile terminal and battery cell protection circuit |
| CN208368568U (en) * | 2018-05-29 | 2019-01-11 | 北京摩拜科技有限公司 | A kind of battery pack and electrical equipment |
| CN209938374U (en) * | 2019-05-13 | 2020-01-14 | 电子科技大学中山学院 | Lithium battery management protection circuit |
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| CN112751384A (en) | 2021-05-04 |
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