CN206742921U - A charging and discharging device for a mobile power supply - Google Patents
A charging and discharging device for a mobile power supply Download PDFInfo
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 69
- 101100163849 Arabidopsis thaliana ARS1 gene Proteins 0.000 claims description 3
- 101000643374 Homo sapiens Serrate RNA effector molecule homolog Proteins 0.000 claims description 3
- 101100097319 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ala1 gene Proteins 0.000 claims description 3
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- 229910021389 graphene Inorganic materials 0.000 description 1
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Abstract
本实用新型涉及一种移动电源的充放电装置，包括互相连接的锂电池管理芯片和MCU芯片，还包括电压采集电路、电流采集电路、温度采集电路和充放电控制电路，所述锂电池管理芯片分别通过电压采集电路、电流采集电路、温度采集电路和充放电控制电路与电芯相连，所述充放电控制电路与充放电接口相连。锂电池管理芯片通过电压采集电路、电流采集电路、温度采集电路全面采集电芯的各种参数，再把采集到的参数发送到MCU芯片，由MCU芯片对参数进行分析处理，判断电芯的状态是否正常，并通过充放电控制电路控制电芯的充放电，能够在电芯状态出现异常时及时断开充放电控制电路，确保移动电源和用户的安全。
The utility model relates to a charging and discharging device of a mobile power source, comprising a lithium battery management chip and an MCU chip connected to each other, and also comprising a voltage acquisition circuit, a current acquisition circuit, a temperature acquisition circuit and a charge and discharge control circuit, wherein the lithium battery management chip is connected to a battery cell through the voltage acquisition circuit, the current acquisition circuit, the temperature acquisition circuit and the charge and discharge control circuit respectively, and the charge and discharge control circuit is connected to a charge and discharge interface. The lithium battery management chip comprehensively acquires various parameters of the battery cell through the voltage acquisition circuit, the current acquisition circuit and the temperature acquisition circuit, and then sends the acquired parameters to the MCU chip, which analyzes and processes the parameters to determine whether the state of the battery cell is normal, and controls the charge and discharge of the battery cell through the charge and discharge control circuit, and can disconnect the charge and discharge control circuit in time when the state of the battery cell is abnormal, thereby ensuring the safety of the mobile power source and the user.
Description
技术领域technical field
本实用新型涉及移动电源技术领域，尤其涉及一种移动电源的充放电装置。The utility model relates to the technical field of a mobile power supply, in particular to a charging and discharging device for a mobile power supply.
背景技术Background technique
随着人们生活水平的逐步提高，智能手机、平板电脑和数码相机等便携式电子设备越来越普及，现代人的生活已经无法离开各种便携式电子设备。市面上现有的便携式电子设备的能耗较高，普遍存在续航时间短的问题，为了解决这一问题，用户通常需要配备移动电源。With the gradual improvement of people's living standards, portable electronic devices such as smart phones, tablet computers and digital cameras are becoming more and more popular, and modern people can no longer live without various portable electronic devices. Existing portable electronic devices on the market have high energy consumption and generally have the problem of short battery life. In order to solve this problem, users usually need to be equipped with a mobile power supply.
一般情况下，移动电源包括多个电芯，为了保护移动电源的稳定工作，通常需要对多个电芯的各种参数进行检测。现有技术中，需要对多个电芯的各种参数进行检测的电路结构较复杂，因此，需要提出另一种方案，能够有效地对多个电芯的各种参数进行检测。Generally, a mobile power supply includes multiple batteries, and in order to protect the stable operation of the mobile power supply, it is usually necessary to detect various parameters of the multiple batteries. In the prior art, the circuit structure that needs to detect various parameters of a plurality of electric cells is relatively complicated. Therefore, another solution needs to be proposed to effectively detect various parameters of a plurality of electric cells.
实用新型内容Utility model content
为了克服上述现有技术的不足，本实用新型提出了一种移动电源的充放电装置，通过锂电池管理芯片及其外围电路便可实现对电芯全面的参数采集，结合MCU芯片，能够有效保证移动电源的稳定工作，确保用户安全。In order to overcome the shortcomings of the above-mentioned prior art, the utility model proposes a charging and discharging device for a mobile power supply, which can realize comprehensive parameter collection of the battery cell through the lithium battery management chip and its peripheral circuits, combined with the MCU chip, can effectively ensure The stable work of the mobile power supply ensures the safety of users.
本实用新型解决上述技术问题的技术方案如下：一种移动电源的充放电装置，包括互相连接的锂电池管理芯片和MCU芯片，还包括电压采集电路、电流采集电路、温度采集电路和充放电控制电路，所述锂电池管理芯片分别通过电压采集电路、电流采集电路、温度采集电路和充放电控制电路与电芯相连，所述充放电控制电路与充放电接口相连。The technical scheme of the utility model for solving the above-mentioned technical problems is as follows: a charging and discharging device for a mobile power supply, including a lithium battery management chip and an MCU chip connected to each other, and also includes a voltage acquisition circuit, a current acquisition circuit, a temperature acquisition circuit and a charge and discharge control The lithium battery management chip is connected to the battery cell through a voltage acquisition circuit, a current acquisition circuit, a temperature acquisition circuit and a charge and discharge control circuit, and the charge and discharge control circuit is connected to the charge and discharge interface.
本实用新型的有益效果在于：锂电池管理芯片通过电压采集电路、电流采集电路、温度采集电路全面采集电芯的各种参数，再把采集到的参数发送到MCU芯片，由MCU芯片对参数进行分析处理，判断电芯的状态是否正常，并通过充放电控制电路控制电芯的充放电，能够在电芯状态出现异常时及时断开充放电控制电路，确保移动电源和用户的安全。The beneficial effect of the utility model is that: the lithium battery management chip comprehensively collects various parameters of the battery cell through the voltage acquisition circuit, the current acquisition circuit, and the temperature acquisition circuit, and then sends the collected parameters to the MCU chip, and the MCU chip performs the parameter processing Analyze and process to determine whether the state of the battery is normal, and control the charge and discharge of the battery through the charge and discharge control circuit. When the state of the battery is abnormal, the charge and discharge control circuit can be disconnected in time to ensure the safety of the mobile power supply and users.
进一步地，所述电压采集电路包括R37、R38、R39、R40、R42和C33、C34、C35、C78、C36，所述锂电池管理芯片通过VC1引脚、VC2引脚、VC3引脚、VC4引脚和VC5引脚与电芯相连；Further, the voltage acquisition circuit includes R37, R38, R39, R40, R42 and C33, C34, C35, C78, C36, and the lithium battery management chip is connected through VC1 pins, VC2 pins, VC3 pins, and VC4 pins. The pin and the VC5 pin are connected to the cell;
所述电芯通过R37与锂电池管理芯片的VC1引脚相连，所述R37与锂电池管理芯片之间通过C36接地；The battery cell is connected to the VC1 pin of the lithium battery management chip through R37, and the R37 and the lithium battery management chip are grounded through C36;
所述电芯通过R38与锂电池管理芯片的VC2引脚相连，所述R38与锂电池管理芯片之间通过C78接地；The battery cell is connected to the VC2 pin of the lithium battery management chip through R38, and the R38 and the lithium battery management chip are grounded through C78;
所述电芯通过R39与锂电池管理芯片的VC3引脚相连，所述R39与锂电池管理芯片之间通过C35接地；The battery cell is connected to the VC3 pin of the lithium battery management chip through R39, and the R39 and the lithium battery management chip are grounded through C35;
所述电芯通过R40与锂电池管理芯片的VC4引脚相连，所述R40与锂电池管理芯片之间通过C34接地；The battery cell is connected to the VC4 pin of the lithium battery management chip through R40, and the R40 and the lithium battery management chip are grounded through C34;
所述电芯通过R42与锂电池管理芯片的VC5引脚相连，所述R42与锂电池管理芯片之间通过C33接地。The battery cell is connected to the VC5 pin of the lithium battery management chip through R42, and the R42 and the lithium battery management chip are grounded through C33.
进一步地，所述电流采集电路包括R45、R47、R49和C39、C45、C46；Further, the current acquisition circuit includes R45, R47, R49 and C39, C45, C46;
所述电芯通过R47接地，所述R47的两端分别与锂电池管理芯片的ARS1引脚和ARS2引脚相连；The battery cell is grounded through R47, and the two ends of the R47 are respectively connected to the ARS1 pin and the ARS2 pin of the lithium battery management chip;
所述R47的两端还分别连接有R45和R49，所述R45和R49之间连接有C45，所述R45通过C39接地，所述R49通过C46接地。R45 and R49 are respectively connected to both ends of the R47, C45 is connected between the R45 and R49, the R45 is grounded through C39, and the R49 is grounded through C46.
进一步地，所述温度采集电路包括热敏电阻，所述热敏电阻与锂电池管理芯片的AN1引脚相连。Further, the temperature acquisition circuit includes a thermistor connected to the AN1 pin of the lithium battery management chip.
进一步地，所述充放电控制电路包括放电MOS管和充电MOS管；Further, the charge and discharge control circuit includes a discharge MOS tube and a charge MOS tube;
所述放电MOS管的G极通过R34与锂电池管理芯片的DSG引脚连接，所述充电MOS管的G极通过R35与锂电池管理芯片的CHG引脚连接；The G pole of the discharge MOS tube is connected to the DSG pin of the lithium battery management chip through R34, and the G pole of the charging MOS tube is connected to the CHG pin of the lithium battery management chip through R35;
所述放电MOS管的S极通过R32与放电MOS管的G极相连，所述充电MOS管的S极通过R33与放电MOS管的G极相连，所述放电MOS管的D极和充电MOS管的D极相连，所述放电MOS管的S极依次通过C27和C28与充电MOS管的S极相连。The S pole of the discharge MOS tube is connected with the G pole of the discharge MOS tube through R32, the S pole of the charge MOS tube is connected with the G pole of the discharge MOS tube through R33, and the D pole of the discharge MOS tube is connected with the charge MOS tube The D pole of the discharge MOS tube is connected to the S pole of the charging MOS tube through C27 and C28 in turn.
进一步地，所述锂电池管理芯片为SH366000AX芯片。Further, the lithium battery management chip is a SH366000AX chip.
附图说明Description of drawings
图1为本实用新型一种移动电源的充放电装置的模块示意图；Fig. 1 is a module schematic diagram of a charging and discharging device of a mobile power supply of the present invention;
图2为本实用新型锂电池管理芯片的电路原理图。Fig. 2 is a schematic circuit diagram of the lithium battery management chip of the present invention.
具体实施方式detailed description
以下结合附图对本实用新型的原理和特征进行描述，所举实例只用于解释本实用新型，并非用于限定本实用新型的范围。The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.
如图1所示，图1为本实用新型一种移动电源的充放电装置的模块示意图。一种移动电源的充放电装置，包括互相连接的锂电池管理芯片1和MCU芯片2，还包括电压采集电路3、电流采集电路4、温度采集电路5和充放电控制电路6，所述锂电池管理芯片1分别通过电压采集电路3、电流采集电路4、温度采集电路5和充放电控制电路6与电芯7相连，所述充放电控制电路6与充放电接口88相连。其中，所述锂电池管理芯片1为SH366000AX芯片，所述电芯7为石墨烯电芯。As shown in FIG. 1 , FIG. 1 is a block diagram of a charging and discharging device for a mobile power supply of the present invention. A charging and discharging device for a mobile power supply, comprising a lithium battery management chip 1 and an MCU chip 2 connected to each other, and also including a voltage acquisition circuit 3, a current acquisition circuit 4, a temperature acquisition circuit 5 and a charge and discharge control circuit 6, the lithium battery The management chip 1 is connected to the battery cell 7 through the voltage acquisition circuit 3 , the current acquisition circuit 4 , the temperature acquisition circuit 5 and the charge and discharge control circuit 6 respectively, and the charge and discharge control circuit 6 is connected to the charge and discharge interface 88 . Wherein, the lithium battery management chip 1 is a SH366000AX chip, and the cell 7 is a graphene cell.
电压采集电路3用于采集电芯7的电压参数，电流采集电路4用于采集电芯7的电流参数，温度采集电路5用于采集电芯7的温度参数，充放电控制电路6用于控制电芯7的充放电。在正常的状态下，电芯7的电压、电流、温度等均应处于一下固定的范围内。以电压为例，在本实施例中，每个电芯7的电压标准范围为2.75-4.20V，当电芯7的实时电压超出这个范围时，说明此时电芯7的电压异常。锂电池管理芯片1采集电芯7的电压、电流、温度等参数后，由MCU芯片2对参数进行分析处理，MCU芯片2进而通过锂电池管理芯片1控制充放电控制电路6，实现充放电管理。MCU芯片2对参数进行分析处理，判断电芯7的状态是否正常，并通过充放电控制电路6控制电芯7的充放电，能够在电芯7状态出现异常时及时断开充放电控制电路6，确保移动电源和用户的安全。The voltage collection circuit 3 is used to collect the voltage parameter of the battery cell 7, the current collection circuit 4 is used to collect the current parameter of the battery cell 7, the temperature collection circuit 5 is used to collect the temperature parameter of the battery cell 7, and the charge and discharge control circuit 6 is used to control Charging and discharging of battery cell 7. In a normal state, the voltage, current, temperature, etc. of the battery cell 7 should be within the following fixed range. Taking voltage as an example, in this embodiment, the voltage standard range of each battery cell 7 is 2.75-4.20V. When the real-time voltage of the battery cell 7 exceeds this range, it means that the voltage of the battery cell 7 is abnormal at this time. After the lithium battery management chip 1 collects the voltage, current, temperature and other parameters of the battery cell 7, the MCU chip 2 analyzes and processes the parameters, and the MCU chip 2 then controls the charge and discharge control circuit 6 through the lithium battery management chip 1 to realize charge and discharge management. . The MCU chip 2 analyzes and processes the parameters, judges whether the state of the battery cell 7 is normal, and controls the charging and discharging of the battery cell 7 through the charge and discharge control circuit 6, and can disconnect the charge and discharge control circuit 6 in time when the state of the battery cell 7 is abnormal. , to ensure the safety of mobile power and users.
所述电压采集电路3包括R37、R38、R39、R40、R42和C33、C34、C35、C78、C36，所述锂电池管理芯片1通过VC1引脚、VC2引脚、VC3引脚、VC4引脚和VC5引脚与电芯7相连。The voltage acquisition circuit 3 includes R37, R38, R39, R40, R42 and C33, C34, C35, C78, C36, and the lithium battery management chip 1 passes the VC1 pin, VC2 pin, VC3 pin, VC4 pin Connect with the VC5 pin and the cell 7.
所述电芯7通过R37与锂电池管理芯片1的VC1引脚相连，所述R37与锂电池管理芯片1之间通过C36接地；所述电芯7通过R38与锂电池管理芯片1的VC2引脚相连，所述R38与锂电池管理芯片1之间通过C78接地；所述电芯7通过R39与锂电池管理芯片1的VC3引脚相连，所述R39与锂电池管理芯片1之间通过C35接地；所述电芯7通过R40与锂电池管理芯片1的VC4引脚相连，所述R40与锂电池管理芯片1之间通过C34接地；所述电芯7通过R42与锂电池管理芯片1的VC5引脚相连，所述R42与锂电池管理芯片1之间通过C33接地。The battery cell 7 is connected to the VC1 pin of the lithium battery management chip 1 through R37, and the R37 and the lithium battery management chip 1 are grounded through C36; the battery cell 7 is connected to the VC2 pin of the lithium battery management chip 1 through R38. The R38 is connected to the lithium battery management chip 1 through C78; the battery cell 7 is connected to the VC3 pin of the lithium battery management chip 1 through R39, and the R39 is connected to the lithium battery management chip 1 through C35 Grounding; the battery cell 7 is connected to the VC4 pin of the lithium battery management chip 1 through R40, and the R40 and the lithium battery management chip 1 are grounded through C34; the battery cell 7 is connected to the lithium battery management chip 1 through R42 The VC5 pins are connected, and the R42 and the lithium battery management chip 1 are grounded through C33.
R37和C36、R38和C78、R39和C35、R40和C34、R42和C33分别组成RC低频滤波电路，去除高频振铃，增强通信稳定性，保护锂电池管理芯片1U1信息读取的准确性。R37 and C36, R38 and C78, R39 and C35, R40 and C34, R42 and C33 constitute RC low-frequency filter circuits respectively to remove high-frequency ringing, enhance communication stability, and protect the accuracy of reading information from lithium battery management chip 1U1.
所述电流采集电路4包括R45、R47、R49和C39、C45、C46。The current acquisition circuit 4 includes R45, R47, R49 and C39, C45, C46.
所述电芯7通过R47接地，所述R47的两端分别与锂电池管理芯片1的ARS1引脚和ARS2引脚相连；所述R47的两端还分别连接有R45和R49，所述R45和R49之间连接有C45，所述R45通过C39接地，所述R49通过C46接地。电芯7通过R47可得到电流。通过R45和R49起到隔离作用，再通过C45滤除差模噪声，而C39、C46则用于去除共模噪声。The battery cell 7 is grounded through R47, and the two ends of the R47 are respectively connected to the ARS1 pin and the ARS2 pin of the lithium battery management chip 1; the two ends of the R47 are also respectively connected to R45 and R49, and the R45 and the C45 is connected between R49, said R45 is grounded through C39, and said R49 is grounded through C46. The battery cell 7 can get current through R47. R45 and R49 are used for isolation, and C45 is used to filter out differential mode noise, while C39 and C46 are used to remove common mode noise.
所述温度采集电路5包括热敏电阻，所述热敏电阻与锂电池管理芯片1的AN1引脚相连。通过热敏电阻监测电芯7的温度，简化了电路的设计。The temperature acquisition circuit 5 includes a thermistor connected to the AN1 pin of the lithium battery management chip 1 . The temperature of the battery cell 7 is monitored through the thermistor, which simplifies the design of the circuit.
充放电控制电路6包括放电MOS管Q5和充电MOS管Q6。The charging and discharging control circuit 6 includes a discharging MOS transistor Q5 and a charging MOS transistor Q6.
所述放电MOS管Q5的G极通过R34与锂电池管理芯片1的DSG引脚连接，所述充电MOS管Q6的G极通过R35与锂电池管理芯片1的CHG引脚连接。The G pole of the discharging MOS transistor Q5 is connected to the DSG pin of the lithium battery management chip 1 through R34, and the G pole of the charging MOS transistor Q6 is connected to the CHG pin of the lithium battery management chip 1 through R35.
所述放电MOS管Q5的S极通过R32与放电MOS管Q5的G极相连，所述充电MOS管Q6的S极通过R33与充电MOS管Q6的G极相连，所述放电MOS管Q5的D极和充电MOS管Q6的D极相连，所述放电MOS管Q5的S极依次通过C27和C28与充电MOS管Q6的S极相连。The S pole of the discharge MOS transistor Q5 is connected to the G pole of the discharge MOS transistor Q5 through R32, the S pole of the charge MOS transistor Q6 is connected to the G pole of the charge MOS transistor Q6 through R33, and the D pole of the discharge MOS transistor Q5 is connected to the G pole of the discharge MOS transistor Q5. The pole is connected to the D pole of the charging MOS transistor Q6, and the S pole of the discharging MOS transistor Q5 is connected to the S pole of the charging MOS transistor Q6 through C27 and C28 in turn.
放电MOS管Q5和充电MOS管Q6为低电平导通的MOS管，通过锂电池管理芯片1对二者的控制，可实现对充放电的控制。仍以电压为例，电芯7的电压标准范围为2.75-4.20V，当每个电芯7的电压均处于2.75-4.20V之间时，锂电池管理芯片1的DSG引脚和CHG引脚均输出低电平，此时，放电MOS管Q5和充电MOS管Q6都导通，可进行充电和放电操作；在充电的过程中，当检测到其中一个电芯7的电压超过了过充保护电压4.20V时，锂电池管理芯片1的DSG引脚输出低电平，锂电池管理芯片1的CHG引脚输出高电平，此时放电MOS管Q5导通和充电MOS管Q6截止，仅可进行放电操作，不能进行充电操作；在放电的过程中，当检测到其中一个电芯7的电压小于2.75V时，锂电池管理芯片1的DSG引脚输出高电平，锂电池管理芯片1的CHG引脚输出低电平，此时放电MOS管Q5截止和充电MOS管Q6导通，仅可进行充电操作，不能进行放电操作。The discharge MOS transistor Q5 and the charge MOS transistor Q6 are low-level conduction MOS transistors, and the control of charging and discharging can be realized through the control of the two by the lithium battery management chip 1 . Still taking the voltage as an example, the voltage standard range of the cell 7 is 2.75-4.20V. When the voltage of each cell 7 is between 2.75-4.20V, the DSG pin and CHG pin of the lithium battery management chip 1 Both output low level. At this time, both the discharge MOS transistor Q5 and the charge MOS transistor Q6 are turned on, and charging and discharging operations can be performed; during the charging process, when it is detected that the voltage of one of the cells 7 exceeds the overcharge protection When the voltage is 4.20V, the DSG pin of the lithium battery management chip 1 outputs a low level, and the CHG pin of the lithium battery management chip 1 outputs a high level. At this time, the discharge MOS tube Q5 is turned on and the charging MOS tube Q6 is turned off. The discharge operation is performed, but the charging operation cannot be performed; during the discharge process, when it is detected that the voltage of one of the cells 7 is less than 2.75V, the DSG pin of the lithium battery management chip 1 outputs a high level, and the DSG pin of the lithium battery management chip 1 outputs a high level. The CHG pin outputs a low level. At this time, the discharge MOS transistor Q5 is cut off and the charge MOS transistor Q6 is turned on. Only the charging operation can be performed, and the discharging operation cannot be performed.
通过设置放电MOS管Q5和充电MOS管Q6，能够在电芯7状态出现异常时及时断开充放电控制电路6，确保移动电源和用户的安全。By setting the discharge MOS transistor Q5 and the charge MOS transistor Q6, the charging and discharging control circuit 6 can be disconnected in time when the state of the battery cell 7 is abnormal, so as to ensure the safety of the mobile power supply and the user.
以上所述仅为本实用新型的较佳实施例，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.
Claims (6)
- A kind of 1. charge and discharge device of portable power source, it is characterised in that：Lithium battery managing chip and MCU core including interconnection Piece, in addition to voltage collection circuit, current collection circuit, temperature collection circuit and charge-discharge control circuit, the lithium battery pipe Reason chip passes through voltage collection circuit, current collection circuit, temperature collection circuit and charge-discharge control circuit and battery core phase respectively Even, the charge-discharge control circuit is connected with charge and discharge electrical interface.
- A kind of 2. charge and discharge device of portable power source according to claim 1, it is characterised in that：The voltage collection circuit Including R37, R38, R39, R40, R42 and C33, C34, C35, C78, C36, the lithium battery managing chip by VC1 pins, VC2 pins, VC3 pins, VC4 pins and VC5 pins are connected with battery core；The battery core is connected by R37 with the VC1 pins of lithium battery managing chip, between R37 and the lithium battery managing chip It is grounded by C36；The battery core is connected by R38 with the VC2 pins of lithium battery managing chip, between R38 and the lithium battery managing chip It is grounded by C78；The battery core is connected by R39 with the VC3 pins of lithium battery managing chip, between R39 and the lithium battery managing chip It is grounded by C35；The battery core is connected by R40 with the VC4 pins of lithium battery managing chip, between R40 and the lithium battery managing chip It is grounded by C34；The battery core is connected by R42 with the VC5 pins of lithium battery managing chip, between R42 and the lithium battery managing chip It is grounded by C33.
- A kind of 3. charge and discharge device of portable power source according to claim 1, it is characterised in that：The current collection circuit Including R45, R47, R49 and C39, C45, C46；The battery core is grounded by R47, the both ends of the R47 ARS1 pins and ARS2 pins with lithium battery managing chip respectively It is connected；The both ends of the R47 have been also respectively connected with R45 and R49, and C45 is connected between the R45 and R49, and the R45 passes through C39 is grounded, and the R49 is grounded by C46.
- A kind of 4. charge and discharge device of portable power source according to claim 1, it is characterised in that：The temperature collection circuit Including thermistor, the thermistor is connected with the AN1 pins of lithium battery managing chip.
- A kind of 5. charge and discharge device of portable power source according to claim 1, it is characterised in that：The charge and discharge control electricity Road includes electric discharge metal-oxide-semiconductor and charging metal-oxide-semiconductor；The G poles of the electric discharge metal-oxide-semiconductor are connected by R34 with the DSG pins of lithium battery managing chip, the G poles of the charging metal-oxide-semiconductor It is connected by R35 with the CHG pins of lithium battery managing chip；The S poles of the electric discharge metal-oxide-semiconductor are extremely connected by R32 with the G of electric discharge metal-oxide-semiconductor, the S poles of the metal-oxide-semiconductor that charges by R33 and The G of electric discharge metal-oxide-semiconductor is extremely connected, and the D poles of the electric discharge metal-oxide-semiconductor are extremely connected with the D of charging metal-oxide-semiconductor, the S poles of the electric discharge metal-oxide-semiconductor The S that C27 and C28 are passed sequentially through with the metal-oxide-semiconductor that charges extremely is connected.
- A kind of 6. charge and discharge device of portable power source according to claim any one of 1-5, it is characterised in that：The lithium electricity Pond managing chip is SH366000AX chips.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120037A (en) * | 2018-09-18 | 2019-01-01 | 深圳和而泰智能控制股份有限公司 | A kind of battery management method, circuit, battery pack and electric tool |
| CN110336357A (en) * | 2019-07-15 | 2019-10-15 | 浙江德创智能科技有限公司 | A new lithium battery protection board |
| CN111049228A (en) * | 2019-12-31 | 2020-04-21 | 杰之深(苏州)科技有限公司 | Integrated lithium battery charging and discharging management system of handheld dust collector |
| CN111146838A (en) * | 2019-12-31 | 2020-05-12 | 杰之深(苏州)科技有限公司 | Handheld dust collector battery discharge management system integrating over-current and over-temperature protection |
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2017
- 2017-05-24 CN CN201720591639.0U patent/CN206742921U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120037A (en) * | 2018-09-18 | 2019-01-01 | 深圳和而泰智能控制股份有限公司 | A kind of battery management method, circuit, battery pack and electric tool |
| CN110336357A (en) * | 2019-07-15 | 2019-10-15 | 浙江德创智能科技有限公司 | A new lithium battery protection board |
| CN111049228A (en) * | 2019-12-31 | 2020-04-21 | 杰之深(苏州)科技有限公司 | Integrated lithium battery charging and discharging management system of handheld dust collector |
| CN111146838A (en) * | 2019-12-31 | 2020-05-12 | 杰之深(苏州)科技有限公司 | Handheld dust collector battery discharge management system integrating over-current and over-temperature protection |
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Effective date of registration: 20200605 Address after: 523000 Dongguan City, Guangdong Province, Songshan Lake Hi-tech Industrial Development Zone, No. 2 Industrial North Road, Huacan Telecom Workshop, 1st Floor 101 Patentee after: Dongguan Best New Energy Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community baishixia Longwangmiao Industrial Zone sixty-sixth Patentee before: BESITER Co.,Ltd. |