CN114665578A - Charging adapter and control method thereof - Google Patents
Charging adapter and control method thereof Download PDFInfo
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- CN114665578A CN114665578A CN202210266071.0A CN202210266071A CN114665578A CN 114665578 A CN114665578 A CN 114665578A CN 202210266071 A CN202210266071 A CN 202210266071A CN 114665578 A CN114665578 A CN 114665578A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 102
- 230000003993 interaction Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012163 sequencing technique Methods 0.000 description 3
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- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
Abstract
The invention relates to the field of charging adapters, in particular to a charging adapter and a control method thereof. The female socket chip detects whether the Lightning female socket is inserted into the Lightning male head; if the socket chip is plugged in, the socket chip is communicated and interacted with the Lightning male connector through the Lightning female socket; if the communication is successful, the first switch module of female seat chip control switches on, the electric energy of power management module loops through power output end, first switch module and the female seat of Lightning of power management mould and transmits to the Lightning public head. Compared with the prior art, the invention has the beneficial effects that the subsequent electric energy charging and related protocol communication can be realized only after the Lightning female socket and the Lightning male socket are successfully communicated.
Description
Technical Field
The invention relates to the field of charging adapters, in particular to a charging adapter and a control method thereof.
Background
The Lightning interface is a high-speed multifunctional I/O interface of apple, and is a brand-new Lightning Dock interface released by apple in the united states of san francisco grassland conference center at 9, 12 of 2012, which can be translated into a Lightning interface by chinese. The release of new interface standards also means that apple's 30-pin Dock interface, which has been used for up to 9 years, will be formally replaced.
In normal use, the Lightning female socket is provided on the electronic device and serves as an I/O interface for charging the device, data transmission, and the like, and therefore, at the moment the Lightning male connector is pulled out of the Lightning female socket, the pins of the Lightning female socket are disconnected.
However, there are some problems in the Lightning female socket as the charging interface, and the communication interaction between the Lightning female socket and the Lightning male socket may cause the two sockets not to communicate normally due to the protocol type of the Lightning male socket.
Disclosure of Invention
The present invention is directed to a charging adapter and a control method thereof, which solve the problem that communication between a Lightning female socket and a Lightning male socket cannot be performed normally due to the type of protocol of the Lightning male socket.
The technical scheme adopted by the invention for solving the technical problems is as follows: the control method of the charging adapter is applied to a Lightning female seat, the charging adapter comprises a power management module, the Lightning female seat, a first switch module and a female seat chip, the power management module is provided with a power output end, the power end of the Lightning female seat is connected with the power output end of the power management module, the input end of the first switch module is connected with the power output end of the power management module, the output end of the first switch module is connected with the power end of the Lightning female seat, and the female seat chip is respectively connected with the Lightning female seat and the first switch module; the control method comprises the following steps: the female socket chip detects whether the Lightning female socket is inserted into the Lightning male head; if the socket chip is plugged in, the socket chip is communicated and interacted with the Lightning male connector through the Lightning female socket; if the communication is successful, the first switch module of female seat chip control switches on, the electric energy of power management module loops through power output end, first switch module and the female seat of Lightning of power management mould and transmits to the Lightning public head.
Preferably, the Lightning male connector is internally provided with a male chip and a second switch module, an on-off path of the second switch module is serially connected to a power supply loop of the Lightning male connector, and the control method includes the steps of: the female socket chip is communicated and interacted with the male head chip after detecting that the Lightning male head is inserted; if the communication interaction is successful, the male chip controls the second switch module to be conducted, and the female chip controls the first switch module to be conducted.
Preferably, the second switch module includes a second MOS transistor, a source and a drain of the second MOS transistor are connected in series to a power line or a GND line of the Lightning male connector, a gate of the second MOS transistor is connected to a control terminal of the male connector chip, and the control step of the male connector chip includes: and if the communication interaction is successful, the control end of the male chip drives the second MOS tube to be conducted.
Preferably, the communication terminal of the female socket chip is connected to the ID terminal of the Lightning female socket, the communication terminal of the male socket chip is connected to the D terminal of the Lightning male socket, and the control method includes the steps of: after the female socket chip detects that the Lightning male connector is inserted, the communication end of the female socket chip and the communication end of the male connector chip are in handshake communication; if the handshake communication is successful, the male chip controls the second switch module to be conducted, and the female chip controls the first switch module to be conducted.
Preferably, a plurality of communication protocols are stored in the female chip, and each communication protocol is matched with a Lightning male connector of one type.
Preferably, the switching step of the plurality of communication protocols of the mother board chip includes: the female chip communicates with the male chip sequentially through each communication protocol until the communication between the female chip and the male chip is completed.
Preferably, each communication protocol is provided with a unique identification feature, and the switching of the plurality of communication protocols of the mother board chip comprises the following steps: the female socket chip acquires all or part of the content of the communication protocol of the male head chip, or the female socket chip acquires the type or type and version corresponding to the communication protocol of the male head chip; selecting a communication protocol corresponding to the identification characteristics according to the acquired information; the female socket chip communicates with the male chip through the selected communication protocol.
The first switch module comprises a first MOS transistor and a control circuit, wherein a source and a drain of the first MOS transistor are respectively connected to a power output end of the power management module and a power end of the Lightning female socket, and the female socket chip is connected to the control circuit and controls the on/off of the first MOS transistor through the control circuit.
The technical scheme adopted by the invention for solving the technical problems is as follows: the charging adapter comprises a power management module, a Lightning female seat, a first switch module and a female seat chip, wherein the power management module is provided with a power output end, the power end of the Lightning female seat is connected with the power output end of the power management module, the input end of the first switch module is connected with the power output end of the power management module, the output end of the first switch module is connected with the power end of the Lightning female seat, and the female seat chip is respectively connected with the Lightning female seat and the first switch module; the charging adapter operates according to a control method.
Compared with the prior art, the invention has the beneficial effects that the subsequent electric energy charging and related protocol communication can be realized only after the Lightning female socket and the Lightning male socket are successfully communicated.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
FIG. 1 is a circuit block diagram of a charging adapter of the present invention;
FIG. 2 is a block circuit diagram of the control method of the present invention;
FIG. 3 is a block circuit diagram of a first switch module of the present invention;
FIG. 4 is a first circuit diagram of a Lightning male connector according to the present invention;
FIG. 5 is a first circuit diagram of a Lightning male based control method according to the present invention;
FIG. 6 is a circuit diagram of a Lightning male based control method according to an embodiment of the present invention;
FIG. 7 is a circuit diagram of the main control chip and its peripheral circuits according to the present invention;
FIG. 8 is a simplified circuit diagram of the mother socket chip and its peripheral circuits according to the present invention;
FIG. 9 is a detailed circuit diagram of the mother socket chip and its peripheral circuits according to the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a preferred embodiment of a control method of a charging adapter.
A control method of a charging adapter is applied to a Lightning female socket 300, the charging adapter comprises a power management module 100, the Lightning female socket 300, a first switch module 200 and a female socket chip 600, the power management module 100 is provided with a power output end, a power end of the Lightning female socket 300 is connected with the power output end of the power management module 100, an input end of the first switch module 200 is connected with the power output end of the power management module 100, an output end of the first switch module is connected with the power end of the Lightning female socket 300, and the female socket chip 600 is respectively connected with the Lightning female socket 300 and the first switch module 200; the control method comprises the following steps:
step S11, the female socket chip 600 detects whether the Lightning female socket 300 is inserted into the Lightning male connector 700;
step S12, if the socket chip 600 is plugged, the Lightning socket 300 and the Lightning male head 700 are communicated with each other;
step S13, if the communication interaction is successful, the female socket chip 600 controls the first switch module 200 to be turned on, and the electric energy of the power management module 100 is transmitted to the Lightning male connector 700 through the power output end of the power management module, the first switch module 200 and the Lightning female socket 300 in sequence.
Specifically, the Lightning female socket 300 serves as an I/O interface for outputting power to the outside, and the power processed by the power management module 100 is output from the power output terminal, for example, when the Lightning male connector 700 of the data line is plugged into the Lightning female socket 300, the Lightning female socket 300 charges the electronic device connected to the data line through the Lightning male connector 700. Because the power end of the Lightning female socket 300 outputs the electric energy, the communication must be actively performed through the female socket chip 600, so as to respectively conduct the Lightning female socket 300 and the Lightning male socket 700, and then the subsequent electric energy charging and the related protocol communication can be realized.
In step S11, the female socket chip 600 detects whether the Lightning female socket 300 is inserted into the Lightning male socket 700. Female seat chip 600 is provided with corresponding detection module to detect the pin needle condition of the female seat 300 of Lightning, when detecting that at least one pin needle is connected, or have abnormal expression, or produce relevant signal, female seat chip 600 self produces and inserts the signal, thinks that the female seat 300 of Lightning inserts the public head 700 of Lightning.
In step S12, if the plug-in is performed, the socket chip 600 communicates with the Lightning male connector 700 through the Lightning socket 300. The specific interaction mode may be that the female chip 600 actively sends communication information to the Lightning male head 700 to request communication interaction, and the Lightning male head 700 performs communication interaction with the female chip 600 according to the communication information; or, the Lightning male head 700 is powered on by being plugged in, and actively sends communication information to the female socket chip 600 to request communication interaction, and the female socket chip 600 performs communication interaction with the Lightning male head 700 according to the communication information.
In step S13, according to the above step S12, the communication interaction may not be successful due to the abnormal circuit structure, the abnormal connection or the mismatched communication protocol, if the communication interaction is successful, the female socket chip 600 controls the first switch module 200 to be turned on, and the power of the power management module 100 is transmitted to the Lightning male connector 700 through the power output terminal of the power management module, the first switch module 200 and the Lightning female socket 300 in sequence.
Of course, it is limited that the power management module 100 can directly communicate with the electronic device corresponding to the Lightning male connector 700 and transmit power, and whether the electronic device receives power transmission and subsequent fast charging communication are also performed by the power management module 100 and the electronic device.
In this embodiment, a charging adapter is provided, the charging adapter includes a power management module 100, a Lightning female socket 300, a first switch module 200 and a female socket chip 600, the power management module 100 is provided with a power output end, a power end of the Lightning female socket 300 is connected with a power output end of the power management module 100, an input end of the first switch module 200 is connected with the power output end of the power management module 100, an output end of the first switch module is connected with the power end of the Lightning female socket 300, and the female socket chip 600 is respectively connected with the Lightning female socket 300 and the first switch module 200; the charging adapter operates according to the control method.
In this embodiment, and referring to fig. 7 to 9, the control scheme of the female socket chip 600 is provided with a plurality of control schemes to satisfy the connection with at least one pin of the Lightning female socket 300, and detect the at least one pin. Wherein, female seat chip 600 can directly obtain, also can obtain through the main control chip 500 in the power management module 100, can understand, main control chip 500 sets up on the mainboard circuit of the adapter that charges, be the control hub of the adapter that charges, female seat chip 600 is that the female seat 300 of supporting Lightning sets up at special chip, a communication for realizing the female seat 300 of Lightning, functions such as detect, especially be used for realizing the butt joint of the public head 700 agreement of the female seat 300 of Lightning and Lightning, this is the biggest advantage of the female seat 300 of Lightning for other USB, and need not extra design, it can to optimize on current circuit basis. Of course, there are many possibilities for the arrangement of the master control chip 500 and the mother socket chip 600.
Scheme one, the CC terminal for the Lightning female socket 300.
The detection terminal CC of the main control chip 500 is connected to the CC terminal of the Lightning female socket 300, and controls the first switch module 200 to cut off the power supply loop when the CC terminal of the Lightning female socket 300 is connected. Of course, the mother socket chip 600 may be connected to the CC terminal of the Lightning mother socket 300 to obtain related information.
The CC terminal of the Lightning female socket 300 is further connected with a pull-down resistor, and when the detection terminal of the main control chip 500 is grounded, the Lightning female socket 300 can be considered as not being inserted.
Scheme two, the ID terminal for the Lightning female socket 300.
The female socket chip 600 can quickly acquire the status of the ID terminal of the Lightning female socket 300, which is one of the basic functions of the female socket chip 600 and can be identified when the ID terminal of the Lightning female socket 300 is connected.
Scheme three, for the GND terminal of the Lightning female socket 300.
The main control chip 500 is connected to the GND terminal of the Lightning female socket 300; the main control chip 500 can be identified when the GND terminal of the Lightning female socket 300 is connected.
Scheme four, for the DP terminal and the DM terminal of the Lightning female socket 300.
The DP terminal and the DM terminal of the main control chip 500 are respectively connected to the DP terminal and the DM terminal of the Lightning female socket 300, and the main control chip 500 can be identified when the DP terminal or/and the DM terminal of the Lightning female socket 300 are connected.
As shown in fig. 3, the present invention provides a preferred embodiment of the first switch module 200.
The first switch module 200 includes a first MOS 220 and a control circuit 210, a source and a drain of the first MOS 220 are respectively connected to a power output terminal of the power management module 100 and a power end of the Lightning mother socket 300, and the mother socket chip 600 is connected to the control circuit 210, and controls on/off of the first MOS 220 through the control circuit 210.
Of course, the related control can also be performed in cooperation with the main control chip 500.
Specifically, referring to fig. 7 to 9, the control circuit 210 is used for controlling the on/off of the first MOS transistor 220, the control circuit 210 increases the control requirement for controlling the first MOS transistor 220, optimizes the control stability of the first MOS transistor 220, and controls the on/off of the power supply loop through the first transistor 410, thereby having the advantages of high input impedance, low driving power, high switching speed, and greatly reduced damage rate. The control circuit 210 is a logic circuit, and can be designed and optimized according to the detection control module or the first MOS transistor 220, which is highly applicable.
In one embodiment, the control circuit 210 includes a first resistor R1, a second resistor R2, and a transistor 610, the first MOS transistor 220 is an NMOS transistor, a node of the control circuit 210 is connected to a gate of the NMOS transistor, a control terminal of the main control chip 500 is connected to the gate of the NMOS transistor through the first resistor R1, a source of the NMOS transistor is connected to the source of the transistor through the second resistor R2, and one of a collector and an emitter of the transistor 610 is connected to ground, and a control terminal of the mother board chip 600 is connected to a base of the transistor 610. In particular, the control circuit 210 has a great advantage in that the main control chip 500 and the mother socket chip 600 can be controlled simultaneously. Since the first MOS transistor 220 is an NMOS transistor, the current direction after being turned on is from the drain to the source, even if the power source terminal of the power management module 100 outputs a current to the power source terminal of the Lightning mother socket 300, and the turn-on condition of the NMOS transistor is that the source is grounded, and the gate voltage has a fixed value of 6V, the logic control scheme includes:
A. the triode 610 is conducted under the control of the mother socket chip 600, the source electrode is grounded, and a lower resistor is formed by matching with the second resistor R2; at this time, the control terminal of the main control chip 500 is at a high level or outputs a certain voltage value, so that the NMOS transistor is turned on, and otherwise, the NMOS transistor is turned off, thereby effectively controlling the switch module 200 by the main control chip 500, and forming a pull-up resistor in cooperation with the first resistor R1.
B. The triode 610 is disconnected under the control of the mother socket chip 600, the triode 610 is disconnected, the source electrode is connected with the grid electrode, and the NMOS tube is disconnected, so that the mother socket chip 600 can effectively control the switch module 200, and especially the auxiliary main control chip 500 can perform multi-section control.
The NMOS transistor can be an NMOS chip, such as AON 7534.
In one embodiment, the transistor 610 is an NPN transistor, a collector of the NPN transistor is connected to a node of the control circuit 210, an emitter of the NPN transistor is grounded, the control terminal of the mother socket chip 600 is disconnected or set to a low level according to the first abnormal signal, and the requirement on the control terminal voltage of the mother socket chip 600 by the NPN transistor is low. The triode can be selected to be 2N 7002.
As shown in fig. 4, 5 and 6, the present invention provides a Lightning male head 700 according to a preferred embodiment.
The Lightning male head 700 is internally provided with a male head chip 800 and a second switch module 900, an on-off path of the second switch module 900 is serially connected in a power supply loop of the Lightning male head 700, and the control method comprises the following steps:
step S21, after detecting that the Lightning male connector 700 is inserted, the female chip 600 performs communication interaction with the male chip 800;
in step S22, if the communication interaction is successful, the male chip 800 controls the second switch module 900 to be turned on, and the female chip 600 controls the first switch module 200 to be turned on.
The male chip 800 is also a dedicated chip for the Lightning male 700, and the core capability is that after the Lightning male 700 is inserted into the Lightning female 300, and under the power-on condition, the female chip 600 and the male chip 800 perform communication interaction.
In this embodiment, the second switch module 900 includes a second MOS transistor, a source and a drain of the second MOS transistor are connected in series to a power line or a GND line of the Lightning male header 700, a gate of the second MOS transistor is connected to the control terminal of the male header chip 800, and the controlling step of the male header chip 800 includes: if the communication interaction is successful, the control end of the male chip 800 drives the second MOS transistor to be turned on.
Preferably, the second MOS transistor can be used to switch on or off the power line or the GND line of the Lightning male connector 700 according to specific circuit requirements, and the Lightning male connector 700 is controlled by switching on or off the power-on circuit of the Lightning male connector 700.
In this embodiment, the communication terminal of the female socket chip 600 is connected to the ID terminal of the Lightning female socket 300, and the communication terminal of the male connector chip 800 is connected to the D terminal of the Lightning male connector 700, and the control method includes the steps of:
step S31, after the female socket chip 600 detects that the Lightning male connector 700 is inserted, the communication terminal of the female socket chip 600 performs handshake communication with the communication terminal of the male connector chip 800;
in step S32, if the handshake communication is successful, the male connector chip 800 controls the second switch module 900 to be turned on, and the female socket chip 600 controls the first switch module 200 to be turned on.
It is substantially the same as steps S21 and S22, but adds a detailed communication method, that is, the communication end of the female socket chip 600 and the communication end of the male header chip 800 perform handshake communication to realize communication between them, where handshake communication is a type of communication method mainly used for the client and the server to confirm the identities of each other, and besides, in order to protect the data transmitted in the SSL record packet, handshake communication can also assist both parties in selecting the encryption algorithm, MAC algorithm and related key used when connecting. The handshake communication between the female socket chip 600 and the male header chip 800 further includes identification of the two, encryption and decoding of data, and the like.
In the present invention, preferred embodiments of various communication protocols are provided.
The Lightning male heads 700 of different companies or different models have corresponding communication protocols, most of which can be shared, but there are some restrictive communication protocols, so that in order to make the female chip 600 effectively pair various Lightning male heads 700, a plurality of communication protocols are stored in the female chip 600, and each communication protocol pairs one model of Lightning male head 700.
In one embodiment, the switching of the plurality of communication protocols of the mother socket chip 600 includes: the female chip 600 communicates with the male chip 800 through each communication protocol in sequence until the communication between the female chip 600 and the male chip 800 is completed. The female chip 600 automatically sequences the stored communication protocols at random or according to a specific irregular rule, preferably, the high daily use frequency or the early historical use is used as a sequencing core, and during formal communication interaction, the communication between the female chip 600 and the male chip 800 is tried one by one according to the sequencing until the communication is completed, or the communication cannot be performed during all the trial play.
Wherein, the former carries out the follow-up step of charging, and the latter carries out and can enter sleep state or wait for certain time and carry out communication matching again.
In one embodiment, each communication protocol is provided with a unique identification feature, and the switching of the plurality of communication protocols of the mother socket chip 600 comprises: the female socket chip 600 acquires all or part of the content of the communication protocol of the male socket chip 800, or the female socket chip 600 acquires the type or type and version corresponding to the communication protocol of the male socket chip 800; selecting a communication protocol corresponding to the identification characteristics according to the acquired information; the female socket chip 600 communicates with the male header chip 800 through a selected communication protocol.
The mode of the scheme is more complex than that of the sequencing scheme, and the important information needs to be identified and acquired, then the important information is processed, analyzed and judged, and the female socket chip 600 communicates with the male header chip 800 through the selected communication protocol. At that time, the overall efficiency is very fast, and especially, the female chip 600 quickly knows the communication protocol of the male chip 800 that can be successfully paired.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather as embodying the invention in a wide variety of equivalent variations and modifications within the scope of the appended claims.
Claims (9)
1. A control method of a charging adapter is applied to a Lightning female seat, and is characterized in that the charging adapter comprises a power management module, the Lightning female seat, a first switch module and a female seat chip, wherein the power management module is provided with a power output end, a power end of the Lightning female seat is connected with the power output end of the power management module, an input end of the first switch module is connected with the power output end of the power management module, an output end of the first switch module is connected with the power end of the Lightning female seat, and the female seat chip is respectively connected with the Lightning female seat and the first switch module; the control method comprises the following steps:
the female socket chip detects whether the Lightning female socket is inserted into the Lightning male head;
if the socket chip is plugged in, the socket chip is communicated and interacted with the Lightning male connector through the Lightning female socket;
if the communication is successful, the first switch module of female seat chip control switches on, the electric energy of power management module loops through power output terminal, first switch module and the public head transmission of Lightning of the female seat of power management mould to the Lightning.
2. The control method according to claim 1, wherein a male chip and a second switch module are built in the Lightning male, an on-off path of the second switch module is serially connected in a power supply loop of the Lightning male, and the control method comprises the following steps:
the female socket chip is communicated and interacted with the male head chip after detecting that the Lightning male head is inserted;
if the communication interaction is successful, the male chip controls the second switch module to be conducted, and the female chip controls the first switch module to be conducted.
3. The control method according to claim 2, wherein the second switch module comprises a second MOS transistor, a source and a drain of the second MOS transistor are connected in series to a Lightning male power line or a GND line, and a gate of the second MOS transistor is connected to a control terminal of the male chip, and the controlling step of the male chip comprises: and if the communication interaction is successful, the control end of the male chip drives the second MOS tube to be conducted.
4. The control method according to claim 2, wherein the communication terminal of the female socket chip is connected to an ID terminal of a Lightning female socket, and the communication terminal of the male socket chip is connected to a D terminal of a Lightning male socket, the control method comprising the steps of:
after the female socket chip detects that the Lightning male connector is inserted, the communication end of the female socket chip is in handshake communication with the communication end of the male connector chip;
if the handshake communication is successful, the male chip controls the second switch module to be conducted, and the female chip controls the first switch module to be conducted.
5. The control method as claimed in claim 1, wherein a plurality of communication protocols are stored in the female chip, and each communication protocol is matched with a Lightning male connector of one type.
6. The control method of claim 5, wherein the switching of the plurality of communication protocols of the mother socket chip comprises: the female chip communicates with the male chip sequentially through each communication protocol until the communication between the female chip and the male chip is completed.
7. The control method according to claim 5, wherein each communication protocol is provided with a unique identification feature, and the switching step of the plurality of communication protocols of the mother socket chip comprises:
the female socket chip acquires all or part of the content of the communication protocol of the male head chip, or the female socket chip acquires the type or type and version corresponding to the communication protocol of the male head chip;
selecting a communication protocol corresponding to the identification characteristics according to the acquired information;
the female chip communicates with the male chip through the selected communication protocol.
8. The control method according to claim 1, wherein the first switch module includes a first MOS transistor and a control circuit, a source and a drain of the first MOS transistor are respectively connected to the power output terminal of the power management module and the power terminal of the Lightning mother socket, and the mother socket chip is connected to the control circuit, and the control circuit controls on/off of the first MOS transistor.
9. A charging adapter comprises a power management module, a Lightning female seat, a first switch module and a female seat chip, wherein the power management module is provided with a power output end, the power end of the Lightning female seat is connected with the power output end of the power management module, the input end of the first switch module is connected with the power output end of the power management module, the output end of the first switch module is connected with the power end of the Lightning female seat, and the female seat chip is respectively connected with the Lightning female seat and the first switch module; the charging adapter operates according to the control method of any one of claims 1 to 7.
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| CN108258775A (en) * | 2018-03-16 | 2018-07-06 | 深圳方电科技有限公司 | A kind of multiple charger babies based on NB-IOT communications protocol borrow also equipment |
| CN213043444U (en) * | 2020-07-08 | 2021-04-23 | 深圳市小樱桃实业有限公司 | Intelligent inverter control management power supply |
| CN113745873A (en) * | 2021-09-03 | 2021-12-03 | 深圳市质友精密电子有限公司 | Adapter and charging system with Lightning female seat |
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