CN219918470U - C-TO-C quick charging circuit with watch wireless charging function - Google Patents
C-TO-C quick charging circuit with watch wireless charging function Download PDFInfo
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- CN219918470U CN219918470U CN202321317172.2U CN202321317172U CN219918470U CN 219918470 U CN219918470 U CN 219918470U CN 202321317172 U CN202321317172 U CN 202321317172U CN 219918470 U CN219918470 U CN 219918470U
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- 238000007599 discharging Methods 0.000 claims description 16
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a C-TO-C quick charging circuit with a watch wireless charging function, which comprises a watch wireless charging main control circuit, an MCU detection CC input circuit, a watch wireless charging step-down power supply circuit, a watch wireless charging decoding circuit and two TYPE-C interfaces, wherein the watch wireless charging main control circuit is connected with the wireless charging input circuit and the wireless charging oscillating circuit; the two TYPE-C interfaces are respectively connected with the MCU detection CC input circuit, the MCU detection CC input circuit is used for detecting and judging the input voltage of any TYPE-C interface, the charger is induced to output a voltage, the other TYPE-C interface is used for outputting a corresponding voltage and supplying power to the watch in a wireless manner, and therefore any one of the two TYPE-C interfaces can be used as an input port or an output port; when any one of the interfaces is connected with a power supply, the watch can work normally no matter whether the other interface is connected with equipment or not and when the watch is charged quickly, so that the watch can be used by a user very conveniently.
Description
Technical Field
The utility model relates TO the technical field of electronic equipment charging, in particular TO a C-TO-C quick charging circuit with a watch wireless charging function, and particularly aims at wireless charging of an apple watch iwatch.
Background
At present, wireless charging technology has been widely applied to charging of electronic devices such as mobile phones and smart watches (such as iwatch), but wired charging is also the mainstream of the market. The TYPE-C interface is increasingly applied because of the advantages of no need of distinguishing front and back surfaces, small structure and the like. At present, many devices such as mobile phones, computers and automobiles are provided with TYPE-C female ports, and the devices can be charged only by using a data line with a TYPE-C male connector, so that a charging device integrated with a watch wireless charging and TYPE-C interface is also invented. However, currently, two ports (TYPE-C interfaces, i.e., C-TO-C) of such a charging device generally need TO distinguish between input and output, and if they are not distinguished, both sides must be connected TO a device, such as a load must be plugged into one port C, so that the wireless charging module can be powered, and thus the watch can be charged. Not only is the circuit structure complex, but also because only two sides are connected with the load, the load can distinguish which side is input and which side is output so as to realize normal operation, but the use of the load can cause great inconvenience for users.
Disclosure of Invention
The utility model aims TO solve the technical problem of providing the C-TO-C quick charging circuit with the watch wireless charging, which has the advantages of simpler circuit structure, reasonable design and more convenient use, and can charge a mobile phone and a watch wireless charging independently or simultaneously by only connecting a single C port.
In order to solve the technical problems, the utility model adopts the following technical scheme: the C-TO-C quick charging circuit with the watch wireless charging comprises a watch wireless charging main control circuit, a watch wireless charging and discharging power supply circuit, a watch wireless charging and decoding circuit and two TYPE-C interfaces, wherein the watch wireless charging main control circuit is connected with a wireless charging input circuit and a wireless charging oscillating circuit; the wireless charging and discharging power supply circuit of the watch is connected with the wireless charging input circuit, the wireless charging and decoding circuit of the watch is connected with the wireless charging main control circuit of the watch, and the wireless charging and discharging power supply circuit of the watch is characterized in that: the watch also comprises an MCU detection CC input circuit, wherein the two TYPE-C interfaces are respectively connected with the MCU detection CC input circuit, and the MCU detection CC input circuit is connected with the watch wireless charging and discharging power supply circuit; the MCU detects the input signal of one TYPE-C interface through the CC input circuit to detect and judge, and outputs a voltage, and the voltage is one way through another TYPE-C interface as charging voltage, and another way is after wrist-watch wireless charging step-down power supply circuit processes the fixed voltage of output, fills the input circuit after wireless for the wrist-watch wireless charging main control circuit power supply.
Further, the MCU detection CC input circuit adopts a chip U4 as the MCU, the model of the chip U4 is W8612D, the chip U4 outputs voltage through the 1 st pin, and the CC pins of the two TYPE-C interfaces are connected with the 4 th, 5 th, 6 th and 7 th pins of the chip U4.
Further, the watch wireless charging main control circuit adopts a control chip U1 with the model SC5001, which is connected with the wireless charging input circuit through pins 1, 2, 3, 23, 24 and 25 and connected with the wireless charging oscillating circuit through pins 13, 14, 15 and 16; the wireless charging oscillation circuit is a full-bridge oscillation circuit.
Further, the wireless charging protocol decoding circuit of the apple watch is further included, and a control chip U2 with the model number of GWW6002 is adopted; the apple watch wireless protocol charging decoding circuit is connected into pins 6 and 7 of the control chip U1 through pins 1 and 3 of the control chip U2; the wireless charging of the apple watch is realized after the wireless charging decoding circuit of the watch and the wireless charging protocol decoding circuit of the apple watch are processed.
Further, the watch wireless charging and discharging power supply circuit adopts a control chip U3 with the model GB3125, and outputs the voltage of VOUT of 4.75-5.2V through a 6 th pin through a wireless charging input circuit.
Further, the watch wireless charging and decoding circuit is connected into the watch wireless charging main control circuit through the 5 th, 8 th and 17 th pins of the control chip U1 and the wireless charging and oscillating circuit so as to realize the cooperative work with the apple watch wireless charging and protocol decoding circuit.
According to the utility model, the MCU detection CC input circuit is arranged to detect and judge the input voltage of any TYPE-C interface, so that any of the two TYPE-C interfaces can be finally realized to be used as an input port or an output port; after any one of the interfaces is connected with a power supply, the watch can work normally in a wireless charging mode no matter whether the other interface is connected with a mobile phone, a computer or other electronic products; and when the other interface is charged with the highest power of 100W, the watch can work normally in a wireless manner. On the premise of keeping the circuit structure simpler, the circuit structure can be greatly convenient for users to use.
Drawings
FIG. 1 is a diagram of a wireless charging master control circuit (a wireless charging input circuit and a wireless charging oscillating circuit are connected to the periphery) of a watch;
FIG. 2 is a schematic diagram of two TYPE-C interfaces;
FIG. 3 is a circuit diagram of the MCU detection CC input;
FIG. 4 is a diagram of a wireless charging, dropping and power supply circuit of the watch;
FIG. 5 is a diagram of a wireless charging and decoding circuit of the watch;
fig. 6 is a circuit diagram of a wireless charging protocol decoding circuit of the apple watch.
Detailed Description
In this embodiment, referring TO fig. 1-6, the C-TO-C fast charging circuit with a wireless charging function of the watch includes a wireless charging main control circuit of the watch, a wireless charging step-down power supply circuit of the watch, a wireless charging decoding circuit of the watch, and two TYPE-C interfaces, the wireless charging main control circuit of the watch is connected with a wireless charging input circuit and a wireless charging oscillating circuit; the wireless charging and discharging power supply circuit of the watch is connected with the wireless charging input circuit, the wireless charging and decoding circuit of the watch is connected with the wireless charging main control circuit of the watch, and the wireless charging and discharging power supply circuit of the watch is characterized in that: the watch wireless charging and discharging control circuit also comprises an MCU detection CC input circuit, wherein the two TYPE-C interfaces are respectively connected with the MCU detection CC input circuit, the MCU detection CC input circuit is used for detecting and judging the input signal of one TYPE-C interface and outputting a voltage, one path of the voltage is used as a charging voltage through the other TYPE-C interface, the other path of the voltage is processed by the watch wireless charging and discharging power supply circuit and then a fixed voltage is output to the watch wireless charging and discharging control circuit after being supplied with power through the wireless charging and inputting circuit.
The MCU detects CC input circuit and adopts chip U4 as MCU, and the model of chip U4 is W8612D, and it is through 1 st foot output voltage, and the CC pin of two TYPE-C interfaces is connected with 4 th, 5, 6, 7 pins of chip U4.
The watch wireless charging main control circuit adopts a control chip U1 with the model SC5001, which passes through pins 1, 2, 3, 23, 24 and 25 and a wireless charging input circuit, and passes through pins 13, 14, 15 and 16 and a wireless charging oscillating circuit; the wireless charging oscillation circuit is a full-bridge oscillation circuit.
The wireless charging protocol decoding circuit of the apple watch is characterized by also comprising a wireless charging protocol decoding circuit of the apple watch, which adopts a control chip U2 with the model number of GWW 6002; the apple watch wireless protocol charging decoding circuit is connected into pins 6 and 7 of the control chip U1 through pins 1 and 3 of the control chip U2; the wireless charging of the apple watch is realized after the wireless charging decoding circuit of the watch and the wireless charging protocol decoding circuit of the apple watch are processed.
The watch wireless charging and discharging power supply circuit adopts a control chip U3 with the model GB3125, and the control chip U outputs the voltage of VOUT of 4.75-5.2V through a 6 th pin through a wireless charging input circuit.
The watch wireless charging and decoding circuit is connected into the watch wireless charging main control circuit through the 5 th, 8 th and 17 th pins of the control chip U1 and the wireless charging and oscillating circuit so as to realize the cooperative work with the apple watch wireless charging protocol decoding circuit.
When any one of the TYPE-C interface 1 and the TYPE-C interface 2 is inserted into a charging or other power supply device (when the TYPE-C interface 1 is input, the TYPE-C interface 2 is output, and when the TYPE-C interface 2 is input, the TYPE-C interface 1 is output), the detection and judgment of the CC input circuit are detected by the MCU (chip U4), and a corresponding voltage is output, and one path of the voltage passes through the TYPE-C interface 1 (or the TYPE-C interface 2) so that the voltage can be charged for the mobile phone or other digital products when the voltage is inserted into the mobile phone or other digital products. The other path of the voltage-reducing and charging voltage-supplying circuit passes through the watch wireless voltage-reducing and charging power-supplying circuit, the watch wireless voltage-reducing and charging power-supplying circuit outputs a fixed VOUT voltage of 4.75-5.2V after being processed in the control chip U3, and the VOUT voltage is used for supplying power to the watch wireless voltage-reducing and charging main control circuit after passing through the wireless voltage-reducing and charging input circuit. After the watch wireless charging main control circuit works, the watch wireless charging main control circuit is processed through the control chip 1, so that the wireless charging oscillating circuit starts to work, after the wireless charging oscillating circuit works, the watch terminal can send out a series of protocols, after the protocols are processed through the watch wireless charging decoding circuit and the apple watch wireless charging protocol decoding circuit, the protocols can be subjected to internal analysis processing of the watch wireless charging main control circuit, and a proper power can be output for the apple watch wireless charging, so that the apple watch is subjected to wireless charging.
Thus, either TYPE-C interface 1 or TYPE-C interface 2 can be used as an input port or an output port.
When the TYPE-C interface 1 or the TYPE-C interface 2 is inserted into a charger (or other equipment capable of providing power), the other interface can work normally even if a mobile phone, a computer or other digital products are not connected, and the watch can be charged wirelessly.
When the TYPE-C interface 1 or the TYPE-C interface 2 is inserted into a charger (or other equipment capable of providing power), the other interface is inserted into a mobile phone, a computer or other digital products, the highest quick charge power can reach 100W, and the watch can work normally when being charged wirelessly.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.
Claims (6)
1. The C-TO-C quick charging circuit with the watch wireless charging comprises a watch wireless charging main control circuit, a watch wireless charging and discharging power supply circuit, a watch wireless charging and decoding circuit and two TYPE-C interfaces, wherein the watch wireless charging main control circuit is connected with a wireless charging input circuit and a wireless charging oscillating circuit; the wireless charging and discharging power supply circuit of the watch is connected with the wireless charging input circuit, the wireless charging and decoding circuit of the watch is connected with the wireless charging main control circuit of the watch, and the wireless charging and discharging power supply circuit of the watch is characterized in that: the system also comprises an MCU detection CC input circuit, wherein the two TYPE-C interfaces are respectively connected with the MCU detection CC input circuit; the MCU detects the input signal of one TYPE-C interface, detects and judges the input signal of the other TYPE-C interface, and outputs corresponding voltage, one path of the voltage is used as charging voltage through the other TYPE-C interface, and the other path of the voltage is processed by the watch wireless charging and discharging power supply circuit and then outputs a fixed voltage to the wireless charging input circuit to supply power to the watch wireless charging and main control circuit.
2. The C-TO-C fast charge circuit with watch wireless charging of claim 1, wherein: the MCU detects CC input circuit and adopts chip U4 as MCU, and the model of chip U4 is W8612D, and it is through 1 st foot output voltage, and the CC pin of two TYPE-C interfaces is connected with 4 th, 5, 6, 7 pins of chip U4.
3. The C-TO-C fast charge circuit with watch wireless charging of claim 2, wherein: the watch wireless charging main control circuit adopts a control chip U1 with the model SC5001, which passes through pins 1, 2, 3, 23, 24 and 25 and a wireless charging input circuit, and passes through pins 13, 14, 15 and 16 and a wireless charging oscillating circuit; the wireless charging oscillation circuit is a full-bridge oscillation circuit.
4. The C-TO-C fast charge circuit with watch wireless charging of claim 3, wherein: the wireless charging protocol decoding circuit of the apple watch is characterized by also comprising a wireless charging protocol decoding circuit of the apple watch, which adopts a control chip U2 with the model number of GWW 6002; the apple watch wireless protocol charging decoding circuit is connected into pins 6 and 7 of the control chip U1 through pins 1 and 3 of the control chip U2; the wireless charging of the apple watch is realized after the wireless charging decoding circuit of the watch and the wireless charging protocol decoding circuit of the apple watch are processed.
5. The C-TO-C fast charging circuit with watch wireless charging of claim 4, wherein: the watch wireless charging and discharging power supply circuit adopts a control chip U3 with the model GB3125, and the control chip U outputs the voltage of VOUT of 4.75-5.2V through a 6 th pin through a wireless charging input circuit.
6. The C-TO-C fast charging circuit with watch wireless charging of claim 4, wherein: the watch wireless charging and decoding circuit is connected into the watch wireless charging main control circuit through the 5 th, 8 th and 17 th pins of the control chip U1 and the wireless charging and oscillating circuit so as to realize the cooperative work with the apple watch wireless charging protocol decoding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321317172.2U CN219918470U (en) | 2023-05-29 | 2023-05-29 | C-TO-C quick charging circuit with watch wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321317172.2U CN219918470U (en) | 2023-05-29 | 2023-05-29 | C-TO-C quick charging circuit with watch wireless charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219918470U true CN219918470U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321317172.2U Active CN219918470U (en) | 2023-05-29 | 2023-05-29 | C-TO-C quick charging circuit with watch wireless charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219918470U (en) |
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2023
- 2023-05-29 CN CN202321317172.2U patent/CN219918470U/en active Active
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