Charging control circuit, terminal device, control method and computer-readable storage medium
A charging control circuit, a terminal device, and a control method are disclosed. The charging control circuit includes a first charging sub-circuit ( 1 ) and a second charging sub-circuit ( 2 ), a charging efficiency of the first charging sub-circuit being higher than a charging efficiency of the second charging sub-circuit. The charging control circuit further includes a switch circuit ( 3 ), where a first contact of the switch circuit is connected to a charging port ( 4 ), a second contact of the switch circuit is connected to an output terminal of a wireless charging module ( 5 ), and a third contact of the switch circuit is connected to an input terminal of the first charging sub-circuit; and in a case of a wireless charging operation, the first contact and the third contact disconnect from each other and the second contact and the third contact conductively connect to each other.
1. A charging control circuit, wherein the charging control circuit comprises a first charging sub-circuit and a second charging sub-circuit, a charging efficiency of the first charging sub-circuit being higher than a charging efficiency of the second charging sub-circuit, and the charging control circuit further comprises a switch circuit, wherein
a first contact of the switch circuit is connected to a charging port, a second contact of the switch circuit is connected to an output terminal of a wireless charging module, and a third contact of the switch circuit is connected to an input terminal of the first charging sub-circuit; and
in a case of a wireless charging operation, the first contact and the third contact disconnect from each other and the second contact and the third contact conductively connect to each other.
2. The charging control circuit according to claim 1 , wherein the switch circuit further comprises a first sub-circuit and a second sub-circuit;
a first terminal of the first sub-circuit is connected to the first contact, and a second terminal of the first sub-circuit is connected to the third contact;
a first terminal of the second sub-circuit is connected to the second contact, and a second terminal of the second sub-circuit is connected to the third contact; and
in the case of a wireless charging operation, the first sub-circuit is disconnected and the second sub-circuit is conductive.
3. The charging control circuit according to claim 2 , wherein the first sub-circuit comprises a first NMOS transistor, a second NMOS transistor, a first diode, and a second diode;
a drain of the first NMOS transistor is connected to the first contact, and a source of the first NMOS transistor is connected to a source of the second NMOS transistor;
a drain of the second NMOS transistor is connected to the third contact;
an anode of the first diode is connected to the source of the first NMOS transistor, and a cathode of the first diode is connected to the drain of the first NMOS transistor;
an anode of the second diode is connected to the source of the second NMOS transistor, and a cathode of the second diode is connected to the drain of the second NMOS transistor; and
a gate of the first NMOS transistor and a gate of the second NMOS transistor are both connected to a first control terminal.
4. The charging control circuit according to claim 2 , wherein the second sub-circuit comprises a third NMOS transistor, a fourth NMOS transistor, a third diode, and a fourth diode;
a drain of the third NMOS transistor is connected to the second contact, and a source of the third NMOS transistor is connected to a source of the fourth NMOS transistor;
a drain of the fourth NMOS transistor is connected to the third contact;
an anode of the third diode is connected to the source of the third NMOS transistor, and a cathode of the third diode is connected to the drain of the third NMOS transistor;
an anode of the fourth diode is connected to the source of the fourth NMOS transistor, and a cathode of the fourth diode is connected to the drain of the fourth NMOS transistor; and
a gate of the third NMOS transistor and a gate of the fourth NMOS transistor are both connected to a second control terminal.
5. A terminal device, comprising the charging control circuit according to claim 1 .
6. A control method, applied to the terminal device according to claim 5 , wherein the method comprises:
controlling, in a case of a wireless charging operation, the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other.
7. The method according to claim 6 , wherein the controlling the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other comprises:
in a case that a battery voltage is higher than a predetermined threshold voltage or that a battery temperature is lower than a predetermined threshold temperature, controlling the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other.
8. The method according to claim 7 , wherein the method further comprises:
in a case that the battery voltage is lower than or equal to the predetermined threshold voltage and that the battery temperature is higher than or equal to the predetermined threshold temperature, performing wireless charging by using the second charging sub-circuit.
9. The method according to claim 6 , wherein before the controlling, in a case of a wireless charging operation, the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other, the method further comprises:
sending a high-voltage charging request to a charger; and
the controlling, in a case of a wireless charging operation, the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other comprises:
in a case of a wireless charging operation and successful request, controlling the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other.
10. The method according to claim 9 , wherein after the sending a high-voltage charging request to a charger, the method further comprises:
in a case of a wireless charging operation and unsuccessful request, performing wireless charging by using the second charging sub-circuit.
11. The method according to claim 6 , wherein after the controlling, in a case of a wireless charging operation, the first contact and third contact of the switch circuit to disconnect from each other and the second contact and third contact of the switch circuit to conductively connect to each other, the method further comprises:
in a case that a wired charger is connected, controlling the first contact and third contact of the switch circuit to conductively connect to each other and the second contact and third contact of the switch circuit to disconnect from each other.
12. A terminal device, comprising a processor, a memory, and a computer program stored in the memory and capable of being run on the processor, wherein when the computer program is executed by the processor, the control method according to claim 6 is implemented.
13. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the control method according to claim 6 is implemented.
14. A terminal device, comprising the charging control circuit according to claim 2 .
15. A terminal device, comprising the charging control circuit according to claim 3 .
16. A terminal device, comprising the charging control circuit according to claim 4 .
17. A terminal device, comprising a processor, a memory, and a computer program stored in the memory and capable of being run on the processor, wherein when the computer program is executed by the processor, the control method according to claim 7 is implemented.
18. A terminal device, comprising a processor, a memory, and a computer program stored in the memory and capable of being run on the processor, wherein when the computer program is executed by the processor, the control method according to claim 8 is implemented.
19. A terminal device, comprising a processor, a memory, and a computer program stored in the memory and capable of being run on the processor, wherein when the computer program is executed by the processor, the control method according to claim 9 is implemented.
20. A terminal device, comprising a processor, a memory, and a computer program stored in the memory and capable of being run on the processor, wherein when the computer program is executed by the processor, the control method according to claim 10 is implemented.