Control circuit for realizing high-power charging of any path

Abstract

The utility model provides a control circuit for realizing any path of high-power charging, which comprises a DC / DC power supply module U2-1, a protocol control module U2-2, a DC / DC power supply module U3-1, a protocol control module U3-2, a TYPE-C interface J1 and a TYPE-C interface J2, and a line switching module is electrically connected between the protocol control module U2-2 and the protocol control module U3-2; and the DC / DC power supply module U2-1 and the DC / DC power supply module U3-1 are also connected with the line switching module together, and connection circuits of the TYPE-C interface J1 and the TYPE-C interface J2 can be switched through the line switching module according to a mobile phone charging protocol accessed to the TYPE-C interface J1 or the TYPE-C interface J2. According to the utility model, the effect of automatically switching the charging circuit can be realized through the line switching module, so that the output power of the TYPE-C interface can be automatically adapted to the charging power of the mobile phone, the problem that the charging efficiency of the mobile phone is influenced can be avoided, and the problem that the service life of the mobile phone is influenced due to the damage of the mobile phone can also be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle-mounted charging, and in particular relates to a control circuit for realizing high-power charging of any one channel. Background Art

[0002] The car charging device is a charging device that can be powered by the car battery. The user can connect the mobile phone to the TYPE-C interface in the car charging box through the data cable to achieve the purpose of car charging. Figure 1 As shown, in conventional applications, the TYPE-C interface usually has dual outputs, one of which is a high-power output and the other is a low-power output. The user can select the charging power according to the actual situation of the mobile phone. This charging circuit still has some problems in actual use. For example: during use, the operator needs to select the TYPE-C interface, and the manual selection method is often prone to errors. When a mobile phone that can be charged at high power is inserted into a TYPE-C interface with a low-power output, the charging efficiency of the mobile phone will be greatly reduced. When a mobile phone that requires low-power charging is inserted into a TYPE-C interface with a high-power output, the mobile phone may be damaged, thereby affecting the service life of the mobile phone. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model provides a control circuit for realizing high-power charging in any one channel, which can realize the effect of automatically switching the charging circuit, so that the output power of the TYPE-C interface can automatically adapt to the charging power of the mobile phone, thereby avoiding the problem of affecting the charging efficiency of the mobile phone, and also avoiding the problem of damage to the mobile phone, thereby affecting the service life of the mobile phone.

[0004] The technical solution is as follows: a control circuit for realizing high-power charging of any one channel, including a DC / DC power supply module U2-1, a protocol control module U2-2, a DC / DC power supply module U3-1, a protocol control module U3-2, a TYPE-C interface J1 and a TYPE-C interface J2, the output end of the DC / DC power supply module U2-1 is electrically connected to the VBUS1 end of the TYPE-C interface J1 through a wire, so that the DC / DC power supply module U2-1 can provide power to the TYPE-C interface J1; the protocol control module The communication end of the block U2-2 is electrically connected to the CC1-1 end and CC2-1 end of the TYPE-C interface J1, so that the TYPE-C interface J1 can communicate with the protocol control module U2-2; the output end of the DC / DC power supply module U3-1 is electrically connected to the VBUS2 end of the TYPE-C interface J2 through a wire, so that the DC / DC power supply module U3-1 can provide power to the TYPE-C interface J2; the communication end of the protocol control module U3-2 is electrically connected to the CC1-2 end and CC2-1 end of the TYPE-C interface J2. The 2-2 end is electrically connected so that the TYPE-C interface J2 can communicate with the protocol control module U3-2; a switch tube Q1 is connected in series between the DC / DC power module U2-1 and the VBUS1 end of the TYPE-C interface J1 to switch the line on and off; a switch tube Q2 is connected in series between the DC / DC power module U3-1 and the VBUS2 end of the TYPE-C interface J2, characterized in that a line switching module is electrically connected between the protocol control module U2-2 and the protocol control module U3-2; the DC / DC power module U2 -1 and the DC / DC power supply module U3-1 are also commonly connected to the line switching module. Through the line switching module, the connection circuits of the TYPE-C interface J1 and the TYPE-C interface J2 can be switched according to the mobile phone charging protocol connected to the TYPE-C interface J1 or the TYPE-C interface J2, so that the TYPE-C interface J1 can be connected to the DC / DC power supply module U3-1 and the protocol control module U3-2, and the TYPE-C interface J2 can also be connected to the DC / DC power supply module U2-1 and the protocol control module U2-2.

[0005] Compared with the prior art, the beneficial effects of the present invention are:

[0006] In the present utility model, since the protocol control module U2-2 and the protocol control module U3-2 are electrically connected with a line switching module, and the line switching module is also connected to the DC / DC power module U2-1 and the DC / DC power module U3-1, when the mobile phone is connected to the TYPE-C interface J1 or the TYPE-C interface J2 via a data cable, the line switching module can switch the connection circuit of the TYPE-C interface J1 and the TYPE-C interface J2 according to the charging protocol of the mobile phone connected to the TYPE-C interface J1 or the TYPE-C interface J2, and can connect the TYPE-C interface J1 with the DC / DC power module U3-1 and the protocol control module U3-2, and can also connect the TYPE-C interface J2 with the DC / DC power module U2-1 and the protocol control module U2-2, so that the output power of the TYPE-C interface can automatically adapt to the charging power of the mobile phone, thereby avoiding the problem of affecting the charging efficiency of the mobile phone, and can also avoid the problem of damage to the mobile phone, thereby affecting the service life of the mobile phone, and achieving the effect of automatically switching the charging circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural diagram of the prior art.

[0008] Figure 2 It is a structural diagram of the present utility model. DETAILED DESCRIPTION

[0009] The present invention will be described in detail below with reference to the accompanying drawings. Figure 2As shown, a control circuit for realizing high-power charging of any one channel includes a DC / DC power module U2-1, a protocol control module U2-2, a DC / DC power module U3-1, a protocol control module U3-2, a TYPE-C interface J1, a TYPE-C interface J2, a switch S1, a switch S2, a switch S3, a switch S4, a switch S5, a switch S6, a switch S7, a switch tube Q1, a switch tube Q2 and a control chip U1. The output end of the DC / DC power module U2-1 is electrically connected to the VBUS1 end of the TYPE-C interface J1 through a wire, so that the DC / DC power module U2-1 can provide power to the TYPE-C interface J1; the communication end of the protocol control module U2-2 is electrically connected to the CC1-1 end and the CC2-1 end of the TYPE-C interface J1 respectively. , so that the TYPE-C interface J1 can communicate with the protocol control module U2-2; the output end of the DC / DC power module U3-1 is electrically connected to the VBUS2 end of the TYPE-C interface J2 through a wire, so that the DC / DC power module U3-1 can provide power to the TYPE-C interface J2; the communication end of the protocol control module U3-2 is electrically connected to the CC1-2 end and the CC2-2 end of the TYPE-C interface J2, so that the TYPE-C interface J2 can communicate with the protocol control module U3-2; a switch tube Q1 is connected in series between the DC / DC power module U2-1 and the VBUS1 end of the TYPE-C interface J1, which is used to turn the line on and off; a switch tube Q2 is connected in series between the DC / DC power module U3-1 and the VBUS2 end of the TYPE-C interface J2.

[0010] One of the control circuits for realizing high-power charging in any one direction also includes a line switching module, and the line switching module is electrically connected to the protocol control module U2-2 and the protocol control module U3-2; the DC / DC power module U2-1 and the DC / DC power module U3-1 are also connected to the line switching module together, and the line switching module can switch the connection circuits of the TYPE-C interface J1 and the TYPE-C interface J2 according to the charging protocol of the mobile phone connected to the TYPE-C interface J1 or the TYPE-C interface J2, so that the TYPE-C interface J1 can be connected to the DC / DC power module U3-1 and the protocol control module U3-2, and the TYPE-C interface J2 can be connected to the DC / DC power module U2-1 and the protocol control module U2-2, which is conducive to achieving the effect of automatically switching the charging circuit, so that the output power of the TYPE-C interface can automatically adapt to the charging power of the mobile phone, thereby avoiding the problem of affecting the charging efficiency of the mobile phone, and also avoiding the problem of damage to the mobile phone, thereby affecting the service life of the mobile phone. This utility model In the new type, since the protocol control module U2-2 and the protocol control module U3-2 are electrically connected with a line switching module, and the line switching module is also connected to the DC / DC power module U2-1 and the DC / DC power module U3-1, when the mobile phone is connected to the TYPE-C interface J1 or the TYPE-C interface J2 through a data cable, the line switching module can switch the connection circuit of the TYPE-C interface J1 and the TYPE-C interface J2 according to the charging protocol of the mobile phone connected to the TYPE-C interface J1 or the TYPE-C interface J2, and can connect the TYPE-C interface J1 with the DC / DC power module U3-1 and the protocol control module U3-2, and can also connect the TYPE-C interface J2 with the DC / DC power module U2-1 and the protocol control module U2-2, so that the output power of the TYPE-C interface can automatically adapt to the charging power of the mobile phone, thereby avoiding the problem of affecting the charging efficiency of the mobile phone, and avoiding damage to the mobile phone, thereby affecting the service life of the mobile phone, and achieving the effect of automatically switching the charging circuit.

[0011] In this embodiment, specifically, the line switching module includes a switch S1, a switch S2, a switch S3, a switch S4, a switch S5, a switch S6, a switch S7, a switch tube Q1, a switch tube Q2 and a control chip U1. The switch S1 and the switch S2 are respectively connected in series between the communication end of the protocol control module U2-2 and the CC1-1 end and the CC2-1 end of the TYPE-C interface J1; the switch S3 and the switch S4 are respectively connected in series between the communication end of the protocol control module U3-2 and the CC1-2 end and the CC2-2 end of the TYPE-C interface J2; one end of the switch S5 is electrically connected between the switch S1 and the CC1-1 end of the TYPE-C interface J1, and the other end of the switch S5 is electrically connected between the switch S3 and the CC1-2 end of the TYPE-C interface J2; the switch One end of switch S6 is electrically connected between S2 and the CC2-1 end of the TYPE-C interface J1, and the other end of switch S6 is electrically connected between switch S4 and the CC2-2 end of the TYPE-C interface J2; the output end of the switch tube Q1 is also electrically connected to one end of switch S7, and the other end of switch S7 is connected to the output end of the switch tube Q2; the control ends of switch S1, switch S2, switch S3, switch S4, switch S5, switch S6, switch S7, switch tube Q1 and switch tube Q2 are all electrically connected to the control chip U1; the ends of switch S1 and switch S2 connected to the TYPE-C interface J1 are respectively electrically connected to the control chip U1 in a bidirectional manner; the ends of switch S3 and switch S4 connected to the TYPE-C interface J2 are also respectively electrically connected to the control chip U1 in a bidirectional manner.

[0012] In this embodiment, specifically, the control chip U1 includes but is not limited to an MCU chip, and the control chip U1 is also electrically connected to an external power supply.

[0013] In this embodiment, specifically, the switch S1 , switch S2 , switch S3 , switch S4 , switch S5 , switch S6 and switch S7 include but are not limited to MOS tubes.

[0014] In this embodiment, specifically, the switch tube Q1 and the switch tube Q2 are both switch tubes compatible with the TYPE-C interface J1 and the TYPE-C interface J2.

[0015] In this embodiment, specifically, the grounding terminals of the TYPE-C interface J1 and the TYPE-C interface J2 are both grounded.

[0016] In the standby state of the present invention, switches S1, S2, S3 and S4 are all in a closed state, while switches S5, S6 and S7 are all in an open state, and switch tubes Q1 and Q2 are also in an open state. When a mobile phone capable of high-power charging is mistakenly connected to the TYPE-C interface J2 through a data line, the control chip U1 can detect the charging protocol of the mobile phone. When it is detected that the charging protocol supports high-power charging, the control chip U1 will automatically control switches S3 and S4 to be disconnected, and automatically control switches S5, S6, S7 and switch tube Q1 to be closed. At this time, the TYPE-C interface J2 will be connected to the DC / DC power supply module U2-1 and the protocol control module U2-2, and the mobile phone can be charged at high power. When a mobile phone that needs low-power charging is mistakenly connected to the TYPE-C interface J2 through a data line, the control chip U1 will automatically control switches S3 and S4 to be disconnected, and automatically control switches S5, S6, S7 and switch tube Q1 to be closed. At this time, the TYPE-C interface J2 will be connected to the DC / DC power supply module U2-1 and the protocol control module U2-2, and the mobile phone can be charged at high power. -C interface J1, the control chip U1 can detect the charging protocol of the mobile phone. When it is detected that the charging protocol does not support high-power charging, the control chip U1 will automatically control the switch S1 and switch S2 to disconnect, and automatically control the switch S5, switch S6, switch S7 and switch tube Q2 to close. At this time, the TYPE-C interface J1 will be connected to the DC / DC power supply module U3-1 and the protocol control module U3-2, and the mobile phone can be charged at low power. Compared with the existing technology, the utility model adds a line switching module to the charging circuit. Through this module, the output power of the TYPE-C interface can automatically adapt to the charging power of the mobile phone, thereby avoiding the problem of affecting the charging efficiency of the mobile phone, and avoiding the problem of damage to the mobile phone, thereby affecting the service life of the mobile phone, and achieving the effect of automatically switching the charging circuit.

[0017] When a mobile phone that needs high-power charging is mistakenly connected to the TYPE-C interface J2, the control chip U1 will automatically detect the insertion status of the TYPE-C interface J1. When another mobile phone that can be charged at high power is inserted into the TYPE-C interface J1, the control chip U1 will control the circuit to maintain the status quo. At this time, both the TYPE-C interface J2 and the TYPE-C interface J1 can be charged at high power. When another mobile phone that needs low-power charging is inserted into the TYPE-C interface J1, the control chip U1 will switch the circuit so that both the TYPE-C interface J1 and the TYPE-C interface J2 are connected to the DC / DC power module U3-1 and the protocol control module U3-2, thereby protecting the mobile phone that needs low-power charging. If you want to perform high-power charging and low-power charging at the same time, you need to correctly insert the mobile phone into the TYPE-C interface.

[0018] Utilizing the technical solution described in the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the scope of protection of the present invention.

Claims

1. A control circuit for realizing high-power charging in any one channel, characterized in that: The control circuit for realizing high-power charging of any one path includes a DC / DC power supply module U2-1, a protocol control module U2-2, a DC / DC power supply module U3-1, a protocol control module U3-2, a TYPE-C interface J1 and a TYPE-C interface J2. The output end of the DC / DC power supply module U2-1 is electrically connected to the VBUS1 end of the TYPE-C interface J1 through a wire, so that the DC / DC power supply module U2-1 can provide power to the TYPE-C interface J1; the communication end of the protocol control module U2-2 is electrically connected to the VBUS1 end of the TYPE-C interface J1 through a wire, so that the DC / DC power supply module U2-1 can provide power to the TYPE-C interface J1; The output end of the DC / DC power supply module U3-1 is electrically connected to the VBUS2 end of the TYPE-C interface J2 through a wire, so that the DC / DC power supply module U3-1 can provide power to the TYPE-C interface J2; the communication end of the protocol control module U3-2 is electrically connected to the CC1-2 end and CC2-2 end of the TYPE-C interface J2. The connection setting enables the TYPE-C interface J2 to communicate with the protocol control module U3-2; a switch tube Q1 is connected in series between the DC / DC power module U2-1 and the VBUS1 end of the TYPE-C interface J1 to switch the line on and off; a switch tube Q2 is connected in series between the DC / DC power module U3-1 and the VBUS2 end of the TYPE-C interface J2, characterized in that a line switching module is electrically connected between the protocol control module U2-2 and the protocol control module U3-2; the DC / DC power module U2-1 and The DC / DC power supply module U3-1 is also connected to the line switching module. Through the line switching module, the connection circuits of TYPE-C interface J1 and TYPE-C interface J2 can be switched according to the mobile phone charging protocol connected to TYPE-C interface J1 or TYPE-C interface J2, so that TYPE-C interface J1 can be connected to DC / DC power supply module U3-1 and protocol control module U3-2, and TYPE-C interface J2 can be connected to DC / DC power supply module U2-1 and protocol control module U2-2.

2. The control circuit for realizing high-power charging in any one path according to claim 1, characterized in that: The line switching module includes a switch S1, a switch S2, a switch S3, a switch S4, a switch S5, a switch S6, a switch S7 and a control chip U1. The switch S1 and the switch S2 are respectively connected in series between the communication end of the protocol control module U2-2 and the CC1-1 end and the CC2-1 end of the TYPE-C interface J1; the switch S3 and the switch S4 are respectively connected in series between the communication end of the protocol control module U3-2 and the CC1-2 end and the CC2-2 end of the TYPE-C interface J2; one end of the switch S5 is electrically connected between the switch S1 and the CC1-1 end of the TYPE-C interface J1, and the other end of the switch S5 is electrically connected between the switch S3 and the CC1-2 end of the TYPE-C interface J2; the switch S2 and the TYPE-C interface J One end of the switch S6 is electrically connected between the CC2-1 end of the TYPE-C interface J1, and the other end of the switch S6 is electrically connected between the switch S4 and the CC2-2 end of the TYPE-C interface J2; the output end of the switch tube Q1 is also electrically connected to one end of the switch S7, and the other end of the switch S7 is connected to the output end of the switch tube Q2; the control ends of the switches S1, S2, S3, S4, S5, S6, S7, the switch tubes Q1 and Q2 are all electrically connected to the control chip U1; the ends of the switches S1 and S2 connected to the TYPE-C interface J1 are respectively electrically connected to the control chip U1 in a bidirectional manner; the ends of the switches S3 and S4 connected to the TYPE-C interface J2 are also respectively electrically connected to the control chip U1 in a bidirectional manner.

3. The control circuit for realizing high-power charging of any one channel according to claim 2, characterized in that: The control chip U1 includes but is not limited to an MCU chip.

4. The control circuit for realizing high-power charging in any one path according to claim 3, characterized in that: The switch S1 , switch S2 , switch S3 , switch S4 , switch S5 , switch S6 and switch S7 include but are not limited to MOS tubes.

5. The control circuit for realizing high-power charging in any one channel according to claim 4, characterized in that: The switch tube Q1 and the switch tube Q2 are both switch tubes compatible with the TYPE-C interface J1 and the TYPE-C interface J2.

6. The control circuit for realizing high-power charging in any one path according to claim 5, characterized in that: The grounding terminals of the TYPE-C interface J1 and the TYPE-C interface J2 are both grounded.

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