CN117639135A - Electronic device - Google Patents
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- CN117639135A CN117639135A CN202210967375.XA CN202210967375A CN117639135A CN 117639135 A CN117639135 A CN 117639135A CN 202210967375 A CN202210967375 A CN 202210967375A CN 117639135 A CN117639135 A CN 117639135A
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- charging
- control unit
- protocol
- electronic device
- charger
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- 230000008054 signal transmission Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000012790 confirmation Methods 0.000 claims abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 108700025151 PD protocol Proteins 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An electronic device comprises a connector, a charging management unit, a switch component, a first charging control unit, a second charging control unit, a multiplexer and a control unit. The connector has configuration pins, signal transmission pins, and power transmission pins. The power transmission pin is electrically coupled to the battery through the charging path. The charging management unit and the switch component are arranged on the charging path. The first charging control unit supports a first charging protocol and is electrically coupled to the configuration pin. The second charging control unit supports a second charging protocol. The multiplexer is used for selectively and electrically coupling the signal transmission pin to the processing system or the second charging control unit. The control unit confirms whether the charger supports the first charging protocol through the first charging control unit, and controls the switch assembly and the multiplexer according to the confirmation result.
Description
Technical Field
The present disclosure relates to an electronic device, and more particularly, to an electronic device capable of connecting to a charger and supporting a quick charging function.
Background
The current popular rapid charging protocols in the market can be categorized into USB Power Delivery (USB PD) protocols by the universal serial bus developer forum (USB Implementers Forum, USB-IF) and rapid charging (QC) protocols by the high-pass (Qualcomm).
Because the two rapid charging protocols have different charging specifications, most of the current portable electronic devices support only one of the two rapid charging protocols. Taking a notebook computer as an example, a traditional notebook computer only supports the USB PD protocol, and even if a charger supporting the QC protocol is used, the notebook computer cannot effectively use the maximum charging wattage supported by the charger for charging because the type of the charger cannot be identified.
Disclosure of Invention
The present disclosure provides an electronic device. The electronic device comprises a processing system, a battery, a connector, a charging management unit, a switch component, a first charging control unit, a second charging control unit, a multiplexer and a control unit. The connector is electrically coupled to the processing system and the battery. The connector is suitable for being connected to a charger and is provided with a configuration pin, a signal transmission pin and a power transmission pin. The power transmission pin is electrically coupled to the battery through a charging path. The charging management unit is arranged on the charging path and is used for receiving the electric power from the charger through the connector and charging the battery.
The switch assembly is arranged on the charging path. The first charging control unit supports a first charging protocol and is electrically coupled to the configuration pin. The second charging control unit supports a second charging protocol. The multiplexer is used for selectively and electrically coupling the signal transmission pin to the processing system or the second charging control unit. The control unit is electrically coupled to the first charging control unit and the second charging control unit, and determines whether the charger supports the first charging protocol through the first charging control unit, and controls the on state of the switch assembly and the connection state of the multiplexer according to the determination result.
The electronic device provided by the disclosure is provided with a first charging control unit and a second charging control unit, wherein the control unit can confirm whether the charger supports a first charging protocol through the first charging control unit, and when the charger does not support the first charging protocol, the control multiplexer is used for electrically coupling the second charging control unit with the charger. Thus, two different fast charging protocols, such as USB PD fast charging protocol and QC fast charging protocol, can be supported, and the type of charger can be detected to select the optimal charging protocol.
Drawings
FIG. 1 is a block diagram of an electronic device according to an embodiment of the disclosure; and
fig. 2 is a block diagram of an electronic device according to another embodiment of the disclosure.
Detailed Description
Specific embodiments of the present disclosure will be described in more detail below with reference to the drawings. Advantages and features of the present disclosure will become more apparent from the following description and claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the disclosure.
Fig. 1 is a block diagram of an electronic device 100 according to an embodiment of the disclosure.
The electronic device 100 includes a processing system 110, a battery 120, a connector 130, a charging management unit 140, a switch assembly 150, a first charging control unit 160, a second charging control unit 170, a multiplexer 180, and a control unit 190.
The processing system 110 has a central processing unit 112. The connector 130 is used for connecting to a charger 20, and the connector 130 has a configuration pin P1, a signal transmission pin P2 and a power transmission pin P3. In one embodiment, connector 130 is a Universal Serial Bus (USB) connector. Taking a usb C-type connector as an example, pins CC1 and CC2 are configuration pins P1, pins Dn1, dp1, dn2, dp2 are signal transmission pins P2, and pin VBUS is power transmission pin P3. The power transmission pin P3 is electrically coupled to the battery 120 through a charging path C1.
The charging management unit 140 is disposed on the charging path C1, and is configured to receive the electric power from the charger 20 through the connector 130 and charge the battery 120. In one embodiment, the charge management unit 140 is a charge management chip.
The switch assembly 150 is disposed on the charging path C1. The first charge control unit 160 supports a first charge protocol and is electrically coupled to the configuration pin P1. The second charging control unit 170 supports a second charging protocol.
In one embodiment, the first charging control unit 160 and the second charging control unit 170 are located on the same charging control chip. But is not limited thereto. In other embodiments, the first charging control unit 160 and the second charging control unit 170 may be two independent charging control chips. The multiplexer 180 is configured to selectively electrically couple the signal transmission pin P2 to the processing system 110 or the second charging control unit 170.
The control unit 190 is electrically coupled to the first charging control unit 160 and the second charging control unit 170, and determines whether the charger 20 supports the first charging protocol through the first charging control unit 160, and controls the on state of the switch assembly 150 and the connection state of the multiplexer 180 according to the determination result. In one embodiment, the preset state of the switch assembly 150 is an off state, and the multiplexer 180 is preset to electrically couple the signal transmission pin P2 to the processing system 110 for data transmission. In another embodiment, the control unit 190 is an embedded controller.
Specifically, when the control unit 190 confirms through the first charging control unit 160 that the charger 20 supports the first charging protocol, the first charging control unit 160 obtains the power supply specification that the charger 20 can provide and requests the charger 20 to complete the voltage regulation, and then notifies the control unit 190. After confirming the power supply specification of the charger 20, the control unit 190 sets relevant information in the charging management unit 140 and notifies the first charging control unit 160 to turn on the switch assembly 150, so that the power from the charger 20 can be provided to the charging management unit 140 through the connector 130 and the charging path C1 to charge the battery 120. However, the present disclosure is not limited thereto. In other embodiments, the control unit 190 may be directly electrically coupled to the switch assembly 150 to control the on state thereof, instead of controlling the switch assembly 150 through the first charging control unit 160.
When the charger 20 does not support the first charging protocol, the control unit 190 controls the multiplexer 180 to electrically couple the signal transmission pin P2 to the second charging control unit 170, and determines whether the charger 20 supports the second charging protocol through the second charging control unit 170.
When the control unit 190 confirms through the second charging control unit 170 that the charger 20 supports the second charging protocol, the second charging control unit 170 obtains the power supply specification that the charger 20 can provide and requests the charger 20 to complete the voltage regulation, and then notifies the control unit 190. After confirming the power supply specification of the charger 20, the control unit 190 sets the relevant information to the charging management unit 140 and notifies the second charging control unit 170 to turn on the switch assembly 150, so that the power from the charger 20 can be provided to the charging management unit 140 through the connector 130 and the charging path C1 to charge the battery 120. However, the present disclosure is not limited thereto. In other embodiments, the control unit 190 may be directly electrically coupled to the switch assembly 150 to control the on state thereof, instead of controlling the switch assembly 150 through the second charging control unit 170.
When the charger 20 does not support the second charging protocol, the control unit 190 also notifies the second charging control unit 170 to turn on the switch assembly 150 and notifies the charging management unit 140 to perform charging according to a preset charging power of the connector 130.
In short, the electronic device 100 of the present disclosure firstly determines whether the charger 20 supports the first charging protocol through the configuration pin P1, and determines whether the charger 20 supports the second charging protocol through the signal transmission pin P2 if the charger 20 does not support the first charging protocol, and performs charging with the preset charging power of the connector 130 if the charger 20 does not support the second charging protocol.
In one embodiment, the highest charging wattage of the first charging protocol is higher than the highest charging wattage of the second charging protocol, which is higher than the preset charging power of the connector 130. In one embodiment, the first charging protocol is a USB PD fast charging protocol, the second charging protocol is a QC fast charging protocol, and the predetermined charging power of the connector 130 is the predetermined charging power of the USB.
The electronic device 100 of the present disclosure can support various fast charging protocols, such as USB PD fast charging protocol and QC fast charging protocol, and can detect the charger 20 to select the optimal charging protocol without additional operation of the user.
Fig. 2 is a block diagram of an electronic device 200 according to another embodiment of the disclosure.
In comparison with the embodiment of fig. 1, the switch assembly 250 of the present embodiment includes a first switch 252 and a second switch 254. The power transmission pin P3 may be electrically coupled to the charge management unit 240 through the first charging path C2 or the second charging path C3, and is electrically coupled to the battery 220 through the charge management unit 240. The first switch 252 is located on the first charging path C2, and the second switch 254 is located on the second charging path C3. The first charging path C2 and the second charging path C3 correspond to the first charging protocol and the second charging protocol, respectively.
The first charging control unit 260 is electrically coupled to the first switch 252, and the control unit 290 controls the on state of the first switch 252 through the first charging control unit 260 to control the on state of the first charging path C2. The second charging control unit 270 is electrically coupled to the second switch 254, and the control unit 290 controls the on state of the second switch 254 through the second charging control unit 270 to control the on state of the second charging path C3.
Specifically, when the control unit 290 determines through the first charging control unit 260 that the charger 20 supports the first charging protocol, the first charging control unit 260 obtains the power supply specification that the charger 20 can provide and requests the charger 20 to complete the voltage regulation. After confirming the power supply specification of the charger 20, the control unit 290 sets the relevant information in the charging management unit 240, and notifies the first charging control unit 260 to turn on the first switch 252, so that the power from the charger 20 can be provided to the charging management unit 240 through the first charging path C2 to charge the battery 220. However, the present disclosure is not limited thereto. In other embodiments, the control unit 290 may be directly electrically coupled to the first switch 252 to control the on state thereof, instead of controlling the first switch 252 through the first charging control unit 260.
When the charger 20 does not support the first charging protocol, the control unit 290 controls the multiplexer 280 to switch from the cpu 212 electrically coupled to the processing system 210 to the second charging control unit 270, so that the signal transmission pin P2 is electrically coupled to the second charging control unit 270, and the second charging control unit 270 determines whether the charger 20 supports the second charging protocol.
When the control unit 290 confirms through the second charging control unit 270 that the charger 20 supports the second charging protocol, the second charging control unit 270 obtains the power supply specification that the charger 20 can provide and requests the charger 20 to complete the voltage regulation, and then notifies the control unit 290. After confirming the power supply specification of the charger 20, the control unit 290 sets the relevant information to the charging management unit 240, and notifies the second charging control unit 270 to turn on the second switch 254, so that the power from the charger 20 can be provided to the charging management unit 240 through the second charging path C3 to charge the battery 220. However, the present disclosure is not limited thereto. In other embodiments, the control unit 290 may be directly electrically coupled to the second switch 254 to control the on state thereof, instead of controlling the second switch 254 through the second charging control unit 270.
When the charger 20 does not support the second charging protocol, the control unit 290 also notifies the second charging control unit 270 to turn on the second switch 254, and notifies the charging management unit 240 to perform charging according to a preset charging power of the connector 230.
The electronic device provided by the disclosure is provided with a first charging control unit and a second charging control unit, wherein the control unit can confirm whether the charger supports a first charging protocol through the first charging control unit, and when the charger does not support the first charging protocol, the control multiplexer is used for electrically coupling the second charging control unit with the charger. Thus, two different fast charging protocols, such as USB PD fast charging protocol and QC fast charging protocol, can be supported, and the type of charger can be detected to select the optimal charging protocol.
Although the present invention has been described with reference to the above embodiments, it should be understood that the invention is not limited thereto, but may be modified or altered somewhat by persons skilled in the art without departing from the spirit and scope of the invention.
Claims (12)
1. An electronic device, comprising:
a processing system;
a battery;
the connector is electrically coupled with the processing system and the battery, is suitable for being connected with a charger, and is provided with a configuration pin, a signal transmission pin and a power transmission pin, and the power transmission pin is electrically coupled with the battery through a charging path;
the charging management unit is arranged on the charging path and is used for receiving the electric power from the charger through the connector and charging the battery;
the switch assembly is arranged on the charging path;
the first charging control unit supports a first charging protocol and is electrically coupled to the configuration pin;
the second charge control unit supports a second charge protocol;
a multiplexer for selectively electrically coupling the signal transmission pin to the processing system or the second charge control unit; and
the control unit is electrically coupled to the first charging control unit and the second charging control unit, and confirms whether the charger supports the first charging protocol through the first charging control unit, and controls the on state of the switch component and the connection state of the multiplexer according to a confirmation result.
2. The electronic device of claim 1, wherein the switch assembly comprises a first switch and a second switch, the first switch is located on a first charging path, the second switch is located on a second charging path, and the first charging path and the second charging path correspond to the first charging protocol and the second charging protocol, respectively.
3. The electronic device of claim 2, wherein when the charger does not support the first charging protocol, the control unit controls the multiplexer to electrically couple the signal transmission pin to the second charging control unit and turn on the second switch.
4. The electronic device of claim 3, wherein the first charge control unit is electrically coupled to the first switch, and the control unit controls the on state of the first switch through the first charge control unit.
5. The electronic device of claim 4, wherein the second charging control unit is electrically coupled to the second switch, and the control unit controls the on state of the second switch through the second charging control unit.
6. The electronic device of claim 1, wherein when the charger does not support the first charging protocol, the control unit controls the multiplexer to electrically couple the signal transmission pin to the second charging control unit, and confirms whether the charger supports the second charging protocol through the second charging control unit.
7. The electronic device of claim 6, wherein the control unit notifies the charge management unit to charge according to a preset charging power of the connector when the charger does not support the second charging protocol.
8. The electronic device of claim 1, wherein the first charging protocol is a USB PD fast charging protocol and the second charging protocol is a QC fast charging protocol.
9. The electronic device of claim 1, wherein the connector is a universal serial bus connector.
10. The electronic device of claim 1, wherein the first charge control unit and the second charge control unit are located on a same charge control chip.
11. The electronic device of claim 1, wherein the first charge control unit is a charge control chip.
12. The electronic device of claim 1, wherein the control unit is an embedded controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967375.XA CN117639135A (en) | 2022-08-12 | 2022-08-12 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967375.XA CN117639135A (en) | 2022-08-12 | 2022-08-12 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117639135A true CN117639135A (en) | 2024-03-01 |
Family
ID=90016785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210967375.XA Pending CN117639135A (en) | 2022-08-12 | 2022-08-12 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117639135A (en) |
-
2022
- 2022-08-12 CN CN202210967375.XA patent/CN117639135A/en active Pending
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