CN112202941A - Accessory control circuit and method based on mobile terminal and terminal equipment - Google Patents
Accessory control circuit and method based on mobile terminal and terminal equipment Download PDFInfo
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- CN112202941A CN112202941A CN202011058629.3A CN202011058629A CN112202941A CN 112202941 A CN112202941 A CN 112202941A CN 202011058629 A CN202011058629 A CN 202011058629A CN 112202941 A CN112202941 A CN 112202941A
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- chip
- mobile terminal
- protocol
- usb
- contact
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0274—Details of the structure or mounting of specific components for an electrical connector module
Abstract
The document discloses an accessory control circuit, a method and a terminal device based on a mobile terminal, belonging to the technical field of mobile terminals, wherein the circuit comprises: the method comprises the following steps: the device comprises a PD controller, a power management chip, an USB2.0HUB chip, a USB 2.0-to-Ethernet interface chip, a USB 2.0-to-audio chip and a protocol chip; the protocol chip is connected with the mobile terminal through the protocol detection contact to detect the access of accessories; the PD controller performs charge and discharge negotiation with the mobile terminal through the CC contact and informs the power management chip to supply power to each chip; the USB2.0HUB chip is respectively connected with the USB 2.0-to-Ethernet interface chip and the USB 2.0-to-audio chip; through adding the accessory in the side and the back at terminal equipment, can conveniently connect ethernet, earphone, charger to can reduce cell-phone surface temperature, improve user experience, promote product competitiveness.
Description
Technical Field
The present disclosure relates to the field of mobile terminal technologies, and in particular, to an accessory control circuit and method based on a mobile terminal, and a terminal device.
Background
With the development of smart phones, people have higher and higher requirements on mobile phones, when the mobile phones are used for playing games, the mobile phones generate heat more and more seriously, many game mobile phones on the market develop towards accessories to meet the requirements of the games, and with the pursuit of users for the game performance of the mobile phones, the mobile phones are expected to become low-delay networks and generate heat less and seriously.
Disclosure of Invention
The invention provides an accessory control circuit and method based on a mobile terminal and a terminal device.
The technical scheme adopted for solving the technical problems is as follows:
according to one aspect herein, there is provided a mobile terminal-based accessory control circuit comprising: the device comprises a PD controller, a power management chip, an USB2.0HUB chip, a USB 2.0-to-Ethernet interface chip, a USB 2.0-to-audio chip and a protocol chip; the protocol chip is connected with the mobile terminal through the protocol detection contact to detect the access of accessories; the PD controller performs charge and discharge negotiation with the mobile terminal through the CC contact and informs the power management chip to supply power to each chip; the USB2.0HUB chip is connected to the USB 2.0-to-Ethernet interface chip and the USB 2.0-to-audio chip respectively.
Optionally, the refrigerator further comprises a refrigeration piece, and when the accessory is provided with a power supply, the power supply management chip supplies power to the refrigeration piece.
Optionally, the mobile terminal further comprises a TYPEC interface, and when a charger is inserted into the TYPEC interface, the PD controller identifies the type of the charger and notifies a power management chip to supply power to the mobile terminal.
Optionally, the PD controller turns the mobile terminal to output power through the CC contacts when the charger is removed from the TYPEC interface.
Optionally, the USB interface further comprises a 3.5mm earphone seat and an ethernet interface, the 3.5mm earphone seat is connected with the USB 2.0-to-audio chip, and the ethernet interface is connected with the USB 2.0-to-ethernet interface chip.
Optionally, the side of mobile terminal is provided with 6 signal contacts, be data exchange contact USB-DP, USB-DM respectively, charge and discharge Protocol identification contact CC, power network contact VBUS, Protocol detection contact Protocol-detection and GND, wherein, Protocol detection contact Protocol-detection with Protocol detection contact on the Protocol chip is connected, charge and discharge Protocol identification contact CC with CC contact on the PD controller is connected.
As another aspect of the present invention, there is provided an accessory control method based on a mobile terminal, including:
the mobile terminal detects the access of the accessory through a protocol detection contact of a protocol chip;
the protocol chip outputs VUBS signals;
the PD controller performs charge and discharge negotiation with the mobile terminal through a CC contact to determine the voltage and the current of the VUBS signal;
the VUBS signal supplies power to each chip through the power management chip.
Optionally, when the accessory has a power supply, the power management chip supplies power to the refrigeration piece.
Optionally, when a charger is inserted into the TYPEC interface on the accessory, the PD controller identifies the type of the charger and notifies the power management chip to supply power to the mobile terminal; when the charger is removed from the TYPEC interface, the PD controller turns the mobile terminal to output power through the CC contact.
According to yet another aspect herein, there is provided a terminal device comprising the mobile terminal based accessory control circuit described above.
The embodiment of the invention provides an accessory control circuit, a method and terminal equipment based on a mobile terminal, wherein the circuit comprises: the method comprises the following steps: the device comprises a PD controller, a power management chip, an USB2.0HUB chip, a USB 2.0-to-Ethernet interface chip, a USB 2.0-to-audio chip and a protocol chip; the protocol chip is connected with the mobile terminal through the protocol detection contact to detect the access of accessories; the PD controller performs charge and discharge negotiation with the mobile terminal through the CC contact and informs the power management chip to supply power to each chip; the USB2.0HUB chip is respectively connected with the USB 2.0-to-Ethernet interface chip and the USB 2.0-to-audio chip; through adding the accessory in the side and the back at terminal equipment, can conveniently connect ethernet, earphone, charger to can reduce cell-phone surface temperature, improve user experience, promote product competitiveness.
Drawings
Fig. 1 is a circuit diagram of an accessory control circuit based on a mobile terminal according to an embodiment of the present invention;
fig. 2 is a flowchart of an accessory control method based on a mobile terminal according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a hardware structure of a terminal device according to a third embodiment of the present invention.
The objects, features, and advantages described herein will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer and more obvious, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not restrictive.
Example one
As shown in fig. 1, in the present embodiment, an accessory control circuit based on a mobile terminal includes: the device comprises a PD controller, a power management chip, an USB2.0HUB chip, a USB 2.0-to-Ethernet interface chip, a USB 2.0-to-audio chip and a protocol chip; the protocol chip is connected with the mobile terminal through the protocol detection contact to detect the access of accessories; the PD controller performs charge and discharge negotiation with the mobile terminal through the CC contact and informs the power management chip to supply power to each chip; the USB2.0HUB chip is connected to the USB 2.0-to-Ethernet interface chip and the USB 2.0-to-audio chip respectively.
In this embodiment, through adding the accessory in terminal equipment's side and back, can conveniently connect ethernet, earphone, charger to can reduce cell-phone surface temperature, improve user experience, promote product competitiveness.
In this embodiment, 6 signal contacts are arranged on the side of the mobile terminal, which are a data exchange contact USB-DP, a USB-DM, a charging and discharging Protocol identification contact CC, a power network contact VBUS, and a Protocol detection contact Protocol-detection and GND, respectively, where the data exchange contacts USB-DP and USB-DM conform to the USB specification, the charging and discharging Protocol identification contact CC supports the PD quick charging Protocol, the power network contact VBUS is used as a power network, when an accessory does not have a charger, the mobile phone supplies power to the accessory through the VBUS, the accessory is inserted into the charger to simultaneously charge the mobile phone, the Protocol detection contact Protocol-detection is an extended dock Protocol detection contact, and it is necessary to detect whether the accessory conforms to a private Protocol before use.
In this embodiment, the Protocol detection contact Protocol-detection is connected to the Protocol detection contact on the Protocol chip, and the charging and discharging Protocol identification contact CC is connected to the CC contact on the PD controller.
In this embodiment, the accessory is clamped to the middle of the mobile phone from the side edge, and the network cable interface, the earphone port and the charging port of the accessory face the back, so that the user is not influenced to play games after the device is inserted.
In this embodiment, still include the refrigeration piece on the accessory, when the accessory has the power, through the power management chip is the refrigeration piece power supply provides the prerequisite for the better heat dissipation of mobile terminal.
In this embodiment, the system further includes a TYPEC interface, when a charger is inserted into the TYPEC interface, the PD controller identifies the type of the charger, such as a PD, a QC, or a DCP, and then obtains the level and the driving capability of VBUS _ CONN, and at this time, the power management chip is notified to get power from VBUS _ CONN, then the CC negotiates with the mobile terminal to switch a power supply role, and the power management synchronously provides power to the mobile terminal, so that the mobile terminal can be charged.
In this embodiment, when the charger is removed from the TYPEC interface, the PD controller converts the mobile terminal into output power supply through the CC contact, so as to prevent the charger from being powered off, that is, to ensure that the audio device, the ethernet device, and the refrigeration sheet are not interrupted to continue heating.
In this embodiment, the USB device further includes a 3.5mm earphone socket and an ethernet interface, where the 3.5mm earphone socket is connected to the USB 2.0-to-audio chip, and the ethernet interface is connected to the USB 2.0-to-ethernet interface chip.
Example two
As shown in fig. 2, in this embodiment, an accessory control method based on a mobile terminal includes:
s10, the mobile terminal detects the access of the accessory through the protocol detection contact of the protocol chip;
s20, the protocol chip outputs VUBS signals;
s30, the PD controller performs charge and discharge negotiation with the mobile terminal through a CC contact to determine the voltage and the current of the VUBS signal;
and S40, the VUBS signals supply power to each chip through the power management chip.
In this embodiment, through adding the accessory in terminal equipment's side and back, can conveniently connect ethernet, earphone, charger to can reduce cell-phone surface temperature, improve user experience, promote product competitiveness.
In this embodiment, 6 signal contacts are arranged on the side of the mobile terminal, which are a data exchange contact USB-DP, a USB-DM, a charging and discharging Protocol identification contact CC, a power network contact VBUS, and a Protocol detection contact Protocol-detection and GND, respectively, where the data exchange contacts USB-DP and USB-DM conform to the USB specification, the charging and discharging Protocol identification contact CC supports the PD quick charging Protocol, the power network contact VBUS is used as a power network, when an accessory does not have a charger, the mobile phone supplies power to the accessory through the VBUS, the accessory is inserted into the charger to simultaneously charge the mobile phone, the Protocol detection contact Protocol-detection is an extended dock Protocol detection contact, and it is necessary to detect whether the accessory conforms to a private Protocol before use.
In this embodiment, the Protocol detection contact Protocol-detection is connected to the Protocol detection contact on the Protocol chip, and the charging and discharging Protocol identification contact CC is connected to the CC contact on the PD controller.
In this embodiment, the accessory is clamped to the middle of the mobile phone from the side edge, and the network cable interface, the earphone port and the charging port of the accessory face the back, so that the user is not influenced to play games after the device is inserted.
In this embodiment, when the accessory has a power supply, the power management chip supplies power to the refrigeration sheet, so as to provide necessary conditions for better heat dissipation of the mobile terminal.
In this embodiment, when a charger is inserted into the TYPEC interface on the accessory, the PD controller identifies the type of the charger and notifies the power management chip to supply power to the mobile terminal; when the charger is removed from the TYPEC interface, the PD controller turns the mobile terminal to output power through the CC contact.
EXAMPLE III
In this embodiment, a terminal device, in addition to the components shown in fig. 3, further includes an accessory control circuit based on a mobile terminal according to the first embodiment.
In this implementation, the terminal device may be implemented in various forms. For example, the terminal device described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like. As shown in fig. 3, which is a schematic diagram of a hardware structure of a terminal device, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 3 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
In this embodiment, through adding the accessory in terminal equipment's side and back, can conveniently connect ethernet, earphone, charger to can reduce cell-phone surface temperature, improve user experience, promote product competitiveness.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present invention are intended to be within the scope of the claims.
Claims (10)
1. An accessory control circuit based on a mobile terminal, comprising: the device comprises a PD controller, a power management chip, an USB2.0HUB chip, a USB 2.0-to-Ethernet interface chip, a USB 2.0-to-audio chip and a protocol chip; the protocol chip is connected with the mobile terminal through the protocol detection contact to detect the access of accessories; the PD controller performs charge and discharge negotiation with the mobile terminal through the CC contact and informs the power management chip to supply power to each chip; the USB2.0HUB chip is connected to the USB 2.0-to-Ethernet interface chip and the USB 2.0-to-audio chip respectively.
2. The mobile terminal-based accessory control circuit of claim 1, further comprising a refrigeration chip, wherein when the accessory has a power supply, the refrigeration chip is powered by the power management chip.
3. The mobile terminal-based accessory control circuit of claim 1, further comprising a TYPEC interface, wherein when a charger is inserted into the TYPEC interface, the PD controller identifies the type of the charger and notifies a power management chip to power the mobile terminal.
4. The mobile terminal-based accessory control circuit of claim 3, wherein the PD controller turns the mobile terminal to output power through the CC contact when the charger is removed from the TYPEC interface.
5. The accessory control circuit based on the mobile terminal according to claim 1, further comprising a 3.5mm earphone jack and an ethernet interface, wherein the 3.5mm earphone jack is connected to the USB 2.0-to-audio chip, and the ethernet interface is connected to the USB 2.0-to-ethernet interface chip.
6. The accessory control circuit based on the mobile terminal as claimed in any one of claims 1-5, wherein the mobile terminal is provided with 6 signal contacts at its side, which are the data exchange contacts USB-DP and USB-DM, the charging and discharging Protocol identification contact CC, the power network contact VBUS, the Protocol detection contacts Protocol-detection and GND, wherein the Protocol detection contact Protocol-detection is connected with the Protocol detection contact on the Protocol chip, and the charging and discharging Protocol identification contact CC is connected with the CC contact on the PD controller.
7. An accessory control method based on a mobile terminal is characterized by comprising the following steps:
the mobile terminal detects the access of the accessory through a protocol detection contact of a protocol chip;
the protocol chip outputs VUBS signals;
the PD controller performs charge and discharge negotiation with the mobile terminal through a CC contact to determine the voltage and the current of the VUBS signal;
the VUBS signal supplies power to each chip through the power management chip.
8. The mobile terminal-based accessory control method according to claim 7, wherein when the accessory has a power supply, the power management chip supplies power to the cooling fin.
9. The mobile terminal-based accessory control method of claim 7, wherein when a charger is inserted into the TYPEC interface of the accessory, the PD controller identifies the type of the charger and notifies a power management chip to supply power to the mobile terminal; when the charger is removed from the TYPEC interface, the PD controller turns the mobile terminal to output power through the CC contact.
10. A terminal device comprising a mobile terminal based accessory control circuit as claimed in claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011058629.3A CN112202941A (en) | 2020-09-30 | 2020-09-30 | Accessory control circuit and method based on mobile terminal and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011058629.3A CN112202941A (en) | 2020-09-30 | 2020-09-30 | Accessory control circuit and method based on mobile terminal and terminal equipment |
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| Publication Number | Publication Date |
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| CN112202941A true CN112202941A (en) | 2021-01-08 |
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| CN202011058629.3A Pending CN112202941A (en) | 2020-09-30 | 2020-09-30 | Accessory control circuit and method based on mobile terminal and terminal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659663A (en) * | 2021-07-28 | 2021-11-16 | 安克创新科技股份有限公司 | Charging device |
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| CN206100096U (en) * | 2016-09-23 | 2017-04-12 | Tcl通讯（宁波）有限公司 | Lid behind multifunctional mobile phone and connection fittings thereof |
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Application publication date: 20210108 |