CN218549531U - Multi-output charging circuit and multi-output charging wire - Google Patents
Multi-output charging circuit and multi-output charging wire Download PDFInfo
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- CN218549531U CN218549531U CN202221817494.9U CN202221817494U CN218549531U CN 218549531 U CN218549531 U CN 218549531U CN 202221817494 U CN202221817494 U CN 202221817494U CN 218549531 U CN218549531 U CN 218549531U
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Abstract
The application discloses many output charging circuit and many output charging wire. The multi-output charging circuit comprises a control module, an authentication module, a power supply input module, a first signal switching module, a second signal switching module and a plurality of output modules, wherein the authentication module, the power supply input module, the first signal switching module, the second signal switching module and the plurality of output modules are respectively connected with the control module; each output module is connected with the first signal switching module and the second signal switching module; the power supply input module is used for receiving the electric energy of the power supply equipment; the output module is used for connecting the charging electronic equipment; the authentication module is used for authenticating the electronic equipment and sending an authentication success signal; and the control module is used for receiving the authentication success signal and controlling the process of charging the electronic equipment by using the electric energy. The multi-output charging circuit provided by the embodiment of the application can realize the functions of single-path quick charging and double-path common charging, and is low in product cost.
Description
Technical Field
The application relates to the technical field of charging wires, in particular to a multi-output charging circuit and a multi-output charging wire.
Background
The existing apple brand electronic equipment (such as an iPhone mobile phone, an iPad and the like) mainly comprises two charging wires, wherein one charging wire is a Type-C to Lightning charging wire, the input and the output of the wire are only one, data transmission and quick charging can be realized, but one wire can only charge one equipment and cannot meet the requirement of simultaneously charging a plurality of equipment; the other is one-to-two wire, which is generally used for shielding and fast charging output or single-path fast charging, and the common charging is carried out when two paths are simultaneously charged. According to the technical scheme of one-for-two apple brand electronic equipment, due to the fact that two paths of Lighting output are provided, two apple brand electronic equipment terminal authentication chips need to be used, and if one-path quick-charging output needs to be achieved, a main control circuit needs to comprise 3 paths of CC signal lines, and production cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-output charging circuit and multi-output charging wire. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to an aspect of an embodiment of the present application, a multi-output charging circuit is provided, including a control module, and an authentication module, a power supply input module, a first signal switching module, a second signal switching module, and a plurality of output modules, which are respectively connected to the control module; each output module is connected with the first signal switching module and the second signal switching module;
the power supply input module is used for receiving the electric energy of the power supply equipment;
the output module is used for connecting the charging electronic equipment;
the authentication module is used for authenticating the charging electronic equipment and sending an authentication success signal;
and the control module is used for receiving the authentication success signal and controlling the process of charging the charging electronic equipment by using the electric energy.
In some embodiments of the present application, the power supply input module includes a Type-C interface circuit and a low dropout linear regulator connected to each other, and the low dropout linear regulator is connected to the control module.
In some embodiments of the present application, the first signal switching module further includes a diode, and a cathode of the diode is connected to the first signal switching module.
In some embodiments of the present application, the D + pin and the D-pin of the output module are connected to each other, the ID0 pin is connected to the control module and the first signal switching module, respectively, and the CC pin of the output module is connected to the second signal switching module.
In some embodiments of the present application, the output module further includes a PMOS transistor, an NPN transistor, a first resistor, a second resistor, a third resistor, and a fourth resistor; the drain electrode of the PMOS tube is connected with a VBUS pin of the output module; one end of the first resistor is connected with the ID0 pin of the output module, and the other end of the first resistor is grounded; one end of the fourth resistor is connected with a VBUS pin of the output module, and the other end of the fourth resistor is grounded; the emitting electrode of the NPN type triode is grounded, and the collector electrode of the NPN type triode is connected with the source electrode of the PMOS tube; one end of the second resistor is connected with the grid electrode of the PMOS tube, and the other end of the second resistor is connected with the source electrode of the PMOS tube; and the first end of the third resistor is connected with a VBUS pin of the output module.
In some embodiments of the present application, the output module further includes a diode, and a cathode of the diode is connected to the second end of the third resistor.
In some embodiments of the present application, the multi-output charging circuit further includes an NPN transistor and a fifth resistor; the authentication module is connected with the control module through the NPN type triode, an emitting electrode of the NPN type triode is grounded, a base electrode of the NPN type triode is connected with the authentication module, a collector electrode of the NPN type triode is connected with the control module, the collector electrode of the NPN type triode is connected with one end of the fifth resistor, and the other end of the fifth resistor is connected with a power supply.
According to another aspect of embodiments of the present application, there is provided a multi-output charging line comprising the multi-output charging circuit of any one of the above.
The technical scheme provided by one aspect of the embodiment of the application can have the following beneficial effects:
the multi-output charging circuit provided by the embodiment of the application comprises a control module and authentication modules connected with the control module respectively, a power supply input module, a first signal switching module, a second signal switching module and a plurality of output modules, each output module is connected with each signal switching module respectively, the power supply input module is used for receiving electric energy of power supply equipment, the output modules are used for connecting charging electronic equipment, the authentication modules are used for authenticating the electronic equipment and sending authentication success signals, the control module is used for receiving the authentication success signals, the process of charging the electronic equipment by using the electric energy is controlled, the functions of single-path quick charging and double-path common charging can be realized, and the product cost is low.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the application, or may be learned by the practice of the embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a block diagram of a multi-output charging circuit according to an embodiment of the present application;
FIG. 2 shows a block diagram of a multi-output charging circuit of another embodiment of the present application;
FIG. 3 illustrates a circuit diagram of a multi-output charging circuit of one embodiment of the present application;
FIG. 4 illustrates a circuit diagram of a first output module in some embodiments of the present application;
FIG. 5 illustrates a circuit diagram of a first signal switching module in some embodiments of the present application;
fig. 6 shows a circuit diagram of a second signal switching module in some embodiments of the present application.
The implementation, functional features and advantages of the objects of the present application will be further explained with reference to the accompanying drawings in conjunction with the embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As shown in fig. 1, an embodiment of the present application provides a multi-output charging circuit, which includes a control module, and an authentication module, a power supply input module, a first signal switching module, a second signal switching module, and a plurality of output modules with identical structures, which are respectively connected to the control module; each output module is connected with the first signal switching module and the second signal switching module; the power supply input module is used for receiving the electric energy of the power supply equipment; the output module is used for connecting the charging electronic equipment; the authentication module is used for authenticating the charging electronic equipment and sending an authentication success signal; and the control module is used for receiving the authentication success signal and controlling the process of charging the charging electronic equipment by using the electric energy.
As shown in FIG. 1, there are a total of N output modules, N is an integer, and N ≧ 2. Fig. 2 shows the multi-output charging circuit of the embodiment when N = 2. The power supply device may be, for example, an adapter power supply or a computer.
In some embodiments, the power input module comprises a Type-C interface circuit and a low dropout regulator connected to each other, and the low dropout regulator is connected to the control module.
In some embodiments, the first signal switching module includes a chip and a diode, and a cathode of the diode is connected to a pin V of the chip; the second signal switching module comprises a chip.
In some embodiments, the output module includes a lighting terminal, a D + pin and a D-pin of the lighting terminal are connected to each other, an ID0 pin of the lighting terminal is connected to the control module and the first signal switching module, respectively, and a CC pin of the lighting terminal is connected to the second signal switching module.
In some embodiments, the output module further includes a PMOS transistor, an NPN transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, and a diode; the drain electrode of the PMOS tube is connected with a VBUS pin of the lighting terminal; one end of the first resistor is connected with the ID0 pin of the lighting terminal, and the other end of the first resistor is grounded; one end of the fourth resistor is connected with the VBUS pin of the lighting terminal, and the other end of the fourth resistor is grounded; the emitting electrode of the NPN type triode is grounded, and the collector electrode of the NPN type triode is connected with the source electrode of the PMOS tube; one end of the second resistor is connected with the grid electrode of the PMOS tube, and the other end of the second resistor is connected with the source electrode of the PMOS tube; one end of the third resistor is connected with the VBUS pin of the lighting terminal, and the other end of the third resistor is connected with the cathode of the diode.
In some embodiments, the authentication module is connected to the control module through an NPN-type triode, an emitter of the NPN-type triode is grounded, a base of the NPN-type triode is connected to the authentication module, a collector of the NPN-type triode is connected to the control module, the collector of the NPN-type triode is connected to one end of a fifth resistor, and the other end of the fifth resistor is connected to a power supply.
As shown in fig. 3, in the multi-output charging circuit of a specific example, the power supply input module is a power supply terminal interface circuit, the control module is a controller chip, and the authentication module is an electronic device authentication chip. The authentication module authenticates the electronic device, sends out an authentication success signal, and implements the authentication process.
The first signal switching module comprises a U1 and a diode D3, the U1 is a chip, the negative pole of the diode D3 is connected with a pin V of the U1, and 5V voltage can be input into the positive pole of the D3.
The second signal switching module comprises a U2, and the U2 is a chip.
In fig. 3, two output modules having the same structure are shared, namely a first output module and a second output module. The first output module comprises a lighting terminal L1, a PMOS (P-channel metal oxide semiconductor) tube Q1, an NPN (negative-positive-negative) type triode Q3, a resistor R11, a resistor R12, a resistor R13, a resistor R14 and a diode D1. The second output module comprises a lighting terminal L2, a PMOS tube Q2, an NPN type triode Q4, a resistor R21, a resistor R22, a resistor R23, a resistor R24 and a diode D2.
In the first output module, a D + pin and a D-pin of a lighting terminal L1 are connected with each other, an ID0 pin of the lighting terminal L1 is connected with a controller chip and a pin B0 of a U1 respectively, and a CC pin of the lighting terminal is connected with a pin B0 of a U2. The drain electrode of the PMOS tube Q1 is connected with a VBUS pin of the lighting terminal L1; one end of the resistor R11 is connected with the ID0 pin of the lighting terminal L1, and the other end is grounded; one end of the resistor R14 is connected with the VBUS pin of the lighting terminal L1, and the other end of the resistor R is grounded; an emitting electrode of the NPN type triode Q3 is grounded, and a collector electrode of the NPN type triode Q3 is connected with a source electrode of the PMOS tube Q1; one end of the resistor R12 is connected with the grid electrode of the PMOS tube Q1, and the other end of the resistor R is connected with the source electrode of the PMOS tube Q1; one end of the resistor R13 is connected to the VBUS pin of the lighting terminal L1, and the other end is connected to the cathode of the diode D1.
In the second output module, a D + pin and a D-pin of the lighting terminal L2 are connected with each other, an ID0 pin of the lighting terminal L2 is respectively connected with the controller chip and a pin B1 of the U1, and a CC pin of the lighting terminal L2 is connected with a pin B1 of the U2. The drain electrode of the PMOS tube Q2 is connected with a VBUS pin of the lighting terminal L2; one end of the resistor R21 is connected with the ID0 pin of the lighting terminal L2, and the other end of the resistor R is grounded; one end of the resistor R24 is connected with the VBUS pin of the lighting terminal L2, and the other end of the resistor R is grounded; an emitting electrode of the NPN type triode Q4 is grounded, and a collector electrode of the NPN type triode Q4 is connected with a source electrode of the PMOS tube Q2; one end of the resistor R22 is connected with the grid electrode of the PMOS tube Q2, and the other end of the resistor R is connected with the source electrode of the PMOS tube Q2; one end of the resistor R23 is connected to the VBUS pin of the lighting terminal L2, and the other end is connected to the cathode of the diode D2.
The embodiment of the application provides a multi-output charging circuit, including control module and the authentication module who is connected with control module respectively, power supply input module, first signal switching module, second signal switching module and a plurality of output module, each output module is connected with each signal switching module respectively, power supply input module is used for receiving power supply unit's electric energy, output module is used for connecting the electronic equipment that charges, authentication module is used for authenticating the electronic equipment, send the signal of successful authentication, control module is used for receiving the signal of successful authentication, control utilizes the electric energy to carry out the process of charging to the electronic equipment, thereby can realize the function that one-way quick charge and two-way ordinary charge, and product cost is lower.
Another embodiment of the present application provides a multi-output charging line including the multi-output charging circuit of any of the above embodiments. The multi-output charging wire provided by the embodiment can realize the functions of single-path quick charging and double-path common charging, and the product cost is lower.
In addition, in some embodiments, the multi-output charging circuit of any of the above embodiments may further include a charging display circuit, and the corresponding multi-output charging line may further include a display screen, and the charging display circuit may include a light emitting diode, and is configured to enable the display screen to display different colors or values to indicate the charging status of the charging electronic device.
Another embodiment of the present application provides a method for controlling charging of an electronic device, which is implemented by the multi-output charging circuit of any of the above embodiments; the method comprises the following steps:
s10, when the power supply input module is connected with a charger, the control module reads a quick charging protocol of the charger;
s20, when the control module detects that the output module is connected to first electronic equipment, the control module controls the first signal switching module to be conducted to enable the electronic equipment to be connected with the authentication module;
s30, the authentication module authenticates the electronic equipment and sends an authentication success signal;
and S40, the control module receives the authentication success signal and controls the process of charging the electronic equipment by using the electric energy.
In some embodiments, the controlling the process of charging the electronic device with the electrical energy comprises:
and the control module controls the second signal switching module to be switched on according to the authentication success signal as a passing authentication signal, so that the electronic equipment is connected with the control module to perform quick charging according to a quick charging protocol.
In some embodiments, the method further comprises:
and S50, when the control module detects that the output module is connected to a second electronic device, the control module controls the first signal switching module to be conducted according to a preset time length, so that the first electronic device and the second electronic device are charged simultaneously by using the electric energy.
The electronic device charging control method implemented by the multi-output charging circuit of the example shown in fig. 3 includes the steps of:
when a charger is inserted into a Type-C end of a data line, a rapid charging protocol of the charger is read through CC1, when only one electronic device is inserted, a main control chip detects a low level signal after reverse amplification of ID0, an analog switch 1 is switched to connect the ID0 signal of the electronic device with an electronic device authentication chip for authentication, then MOS _ EN signal of the electronic device authentication chip is detected to turn on power output, and an analog switch 2 is switched to connect the CC of the electronic device to the CC2 of the main control chip for rapid charging of the rapid charging protocol; when a second electronic device is inserted, the main control chip detects signals of the two electronic devices ID0, the charger is reset first, the output is converted into a 5V common power output, and the analog switch 1 is set to switch once for a preset time (for example, 500ms, 600ms, or 700ms, etc.) for realizing that one electronic device authentication chip responds to the signals of the two electronic devices ID 0. And the main control chip opens the PMOS output of the corresponding charging circuit according to the signal of the MOS _ EN and the state of the current analog switch 1 so as to realize the simultaneous charging of the two electronic devices. Specifically, when the MOS _ EN is pulled high, if the control pin of the analog switch 1 is in a low level state, the electronic device authentication chip is currently connected to L1, and the PMOS output of L1 is turned on; if the control pin of the analog switch 1 is in a high level state, the electronic equipment authentication chip is connected with the L2 currently, and the PMOS output of the L2 is turned on; and when the MOS _ EN is pulled down, correspondingly closing the PMOS output of the charging interface connected with the electronic equipment authentication chip.
In the technical scheme of this application embodiment, in two way Lighting output interface, adopt the mode that detects ID0 signal to detect two way electronic equipment's insertion, used an electronic equipment authentication chip and an analog switch to realize the authentication to two apple equipment, the advantage has reduced the hardware manufacturing cost of wire rod. Moreover, for the function of single-path quick charging, the controller chip adopted in the technical scheme of the embodiment of the application only has two CC output ports, and the functions of single-path quick charging and double-path common charging are realized at lower cost by switching the connection object of the CC signals by using the analog switch.
Another embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the program is executed by a processor to implement the electronic device charging control method of any one of the above embodiments. Examples of the computer-readable storage medium may include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, or other optical and magnetic storage media, which are not described in detail herein.
The computer-readable storage medium provided by the above-mentioned embodiments of the present application and the method provided by the embodiments of the present application have the same advantages as the method adopted, executed or implemented by the application program stored in the computer-readable storage medium.
It should be noted that:
it will be understood that the terms "first," "second," "third," and the like are used merely to distinguish one description from another, and are not intended to indicate or imply relative importance. It should also be understood that, although the terms "first," "second," "third," etc. may be used herein in some of the present application embodiments to describe various objects, these objects should not be limited by these terms. These terms are used only to distinguish various objects.
The above-mentioned embodiments only express the embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (8)
1. A multi-output charging circuit is characterized by comprising a control module, an authentication module, a power supply input module, a first signal switching module, a second signal switching module and a plurality of output modules, wherein the authentication module, the power supply input module, the first signal switching module, the second signal switching module and the plurality of output modules are respectively connected with the control module; each output module is connected with the first signal switching module and the second signal switching module.
2. The multi-output charging circuit of claim 1, wherein the power input module comprises a Type-C interface circuit and a low dropout regulator connected to each other, and the low dropout regulator is connected to the control module.
3. The multi-output charging circuit according to claim 1, wherein the first signal switching module further comprises a diode, and a cathode of the diode is connected to the first signal switching module.
4. The multi-output charging circuit according to claim 1, wherein the D + pin and the D-pin of the output module are connected to each other, the ID0 pin of the output module is connected to the control module and the first signal switching module, respectively, and the CC pin of the output module is connected to the second signal switching module.
5. The multi-output charging circuit according to claim 4, wherein the output module further comprises a PMOS transistor, an NPN transistor, a first resistor, a second resistor, a third resistor and a fourth resistor; the drain electrode of the PMOS tube is connected with a VBUS pin of the output module; one end of the first resistor is connected with the ID0 pin of the output module, and the other end of the first resistor is grounded; one end of the fourth resistor is connected with a VBUS pin of the output module, and the other end of the fourth resistor is grounded; the emitting electrode of the NPN type triode is grounded, and the collector electrode of the NPN type triode is connected with the source electrode of the PMOS tube; one end of the second resistor is connected with the grid electrode of the PMOS tube, and the other end of the second resistor is connected with the source electrode of the PMOS tube; and the first end of the third resistor is connected with a VBUS pin of the output module.
6. The multi-output charging circuit of claim 5, wherein the output module further comprises a diode, and a cathode of the diode is connected to the second terminal of the third resistor.
7. The multi-output charging circuit of claim 1, further comprising an NPN transistor and a fifth resistor; the authentication module is connected with the control module through the NPN type triode, an emitting electrode of the NPN type triode is grounded, a base electrode of the NPN type triode is connected with the authentication module, a collector electrode of the NPN type triode is connected with the control module, the collector electrode of the NPN type triode is connected with one end of the fifth resistor, and the other end of the fifth resistor is connected with a power supply.
8. A multi-output charging cable, characterized in that it comprises a multi-output charging circuit according to any of claims 1-7.
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| CN202221817494.9U CN218549531U (en) | 2022-07-14 | 2022-07-14 | Multi-output charging circuit and multi-output charging wire |
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| CN202221817494.9U CN218549531U (en) | 2022-07-14 | 2022-07-14 | Multi-output charging circuit and multi-output charging wire |
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