CN107995166B - Multi-protocol quick charging adapter and adaptation method - Google Patents
Multi-protocol quick charging adapter and adaptation method Download PDFInfo
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- CN107995166B CN107995166B CN201711066570.0A CN201711066570A CN107995166B CN 107995166 B CN107995166 B CN 107995166B CN 201711066570 A CN201711066570 A CN 201711066570A CN 107995166 B CN107995166 B CN 107995166B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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Abstract
The invention discloses a multi-protocol quick-charging adapter and an adaptation method thereof, wherein the quick-charging adapter comprises an operational amplifier module, an RC low-pass filtering module, a master control MCU, an LDO power supply module, a multi-protocol chip, a multi-protocol acquisition resistance network and a TYPE-C interface, wherein the operational amplifier module is connected with the RC low-pass filtering module and then connected with the master control MCU, the multi-protocol chip is connected with the multi-protocol acquisition resistance network and connected with the master control MCU through the multi-protocol acquisition resistance network. After the TYPE-C interface detects that the equipment is accessed, the main control MCU can send a signal to the access equipment, and meanwhile, the multi-protocol chip and the access equipment also perform other quick-charging protocol handshaking except the PD protocol so as to identify and judge the TYPE of the access equipment, thereby realizing the effect of quick charging.
Description
Technical Field
The invention belongs to the technical field of adapters, and particularly relates to a quick charging adapter compatible with multiple protocols and a method.
Background
With the original more serious power consumption of consumer electronics, but the development of battery technology is limited by chemical system and structural limitation, the energy density of the lithium polymer battery is difficult to break through rapidly, and the rapid charging technology becomes the best scheme for saving the country by curves. Therefore, various fast charging protocols, such as high pass protocol, MTK protocol, huaji protocol, OPPO & VIVO protocol, samsung protocol, PD protocol, etc., appear in the market.
While the USB-IF organization specifies that a new version of the USB interface will not allow voltage regulation via non-USB-PD protocols, google is also emphasized in the android7.0oem specification: the fast charging technology must support the USB PD, and the two messages are combined to basically provide double insurance for the fast charging of the USB PD from the hardware and software level. However, by 2017, 6 months, the inventory of mobile phones supporting high-pass protocols exceeds 9500 thousands, VOOC fast charging exceeds 7500 thousands, Huacheng protocol fast charging exceeds 3500 thousands, MTK fast charging is 1000 thousands, while PD fast charging protocol supporting only about 900 thousands, which indicates that the majority of mobile phones supporting non-PD protocols in the market currently account for. In addition, according to the result of the foreign famous mobile phone portal phoneArena issuing survey on how often you change smart phones, the proportion of the mobile phones changed for two or more years reaches more than 55 percent, which shows that even if each mobile phone in the future is a fast-charging mobile phone with PD protocol, it takes at least two years to replace other mobile phones with fast-charging protocols in the market at present. Therefore, market conditions and consumer dynamics have determined that the multi-protocol development is the mainstream in the last two years, while the PD protocol is a major trend.
Most of the existing quick charging adapters on the market only support one quick charging protocol, which brings great trouble to consumers and also causes waste of social resources.
Patent application 201620977802.2 discloses an embedded RTU multi-protocol automatic adapter, which comprises a CPU chip, a data buffer, an interface level conversion circuit, a serial interface, a parameter configuration port and a data acquisition port; the CPU chip is internally provided with a processor, a FLASH, an RAM and a serial port peripheral. The data acquisition port can receive data of the sensor in real time and store the data into the data buffer, the parameter configuration port can configure an application protocol and communication parameters, a user application protocol stored in the FLASH is selected, a corresponding instruction is executed, a Protocol Data Unit (PDU) is formed in the RAM, and then the PDU is sent to the central station through the interface level conversion circuit and the serial interface. However, the adapter is compatible with various protocols by forming the protocol data unit in the RAM, is restricted by the running speed of the RAM, has obviously improved requirements on the RAM, increases the hardware cost, cannot realize quick identification and judgment, and is difficult to be applied to the quick charging adapter
Disclosure of Invention
Therefore, the invention provides a multi-protocol quick charging adapter and an adaptation method thereof, which solve the problem that the quick charging adapter cannot quickly charge the existing consumer electronic product supporting quick charging, and achieve the effect of integrated utilization of electronic resources.
Another objective of the present invention is to provide a multi-protocol fast charging adapter and an adaptation method thereof, which can support a PD protocol, a high-pass fast charging protocol, a hua-shi fast charging protocol, an MTK fast charging protocol, a spread spectrum fast charging protocol, a samsung fast charging protocol, a VOOV fast charging protocol, a BC1.2 protocol, and an apple 2.4A fast charging protocol, so as to achieve the effect of integrating and utilizing electronic resources.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a multi-protocol fills adapter soon, its characterized in that fill the module that the adapter contains soon and have fortune to put (Buffer) module, RC low pass filter module, master control MCU, LDO power module, multi-protocol chip, multi-protocol collection resistance network, TYPE-C interface, wherein, fortune is put the module and is connect behind RC low pass filter module, and the reconnection is in master control MCU, and the multi-protocol chip connects in multi-protocol collection resistance network, connects in master control MCU through multi-protocol collection resistance network. After the TYPE-C interface detects that the equipment is accessed, the main control MCU can send a signal to the access equipment, and meanwhile, the multi-protocol chip and the access equipment also perform other quick-charging protocol handshaking except the PD protocol so as to identify and judge the TYPE of the access equipment, thereby realizing the effect of quick charging.
The operational amplifier in the operational amplifier module is a rail-to-rail operational amplifier, and the connection method is a voltage follower.
The RC low-pass filtering module is two-stage low-pass filtering, R is 10K, and C is 104.
The main control MCU module integrates TYPE-C interfaces to identify Rd, Rp and a PD protocol PHY layer.
The multi-protocol chip can support multiple rapid charging protocol identifications, such as a high-pass rapid charging protocol, a Huacheng rapid charging protocol, an MTK rapid charging protocol, a spread spectrum rapid charging protocol, a Samsung rapid charging protocol, a VOOV rapid charging protocol, a BC1.2 protocol and an apple 2.4A rapid charging protocol.
The multi-protocol comprises any one of the following fast charging protocols: PD protocol, high-pass quick-charging protocol, Hua-Shi quick-charging protocol, MTK quick-charging protocol, spread quick-charging protocol, three-star quick-charging protocol, VOOV quick-charging protocol, BC1.2 protocol and apple 2.4A quick-charging protocol.
The consumer electronic product comprises any one of the following consumer products: cell-phone, panel, notebook, MP3, MP4, portable power source, virtual reality gloves.
Further, the multi-protocol chip is connected to the TYPE-C interface so as to perform rapid charging protocol handshake with the access device.
Furthermore, in the master control MCU, the ADC is connected to the multi-protocol chip through a multi-protocol acquisition resistor network.
Furthermore, the multi-protocol acquisition resistor network comprises resistors R1 and R2, resistors R1 and R2 are connected in series, wherein R1 is connected to the LDO power supply module, R2 is connected to the ground, and the multi-protocol chip is connected between R1 and R2.
An adaptation method of a multi-protocol quick charging adapter is characterized by comprising the following steps:
101. after the TYPE-C interface detects that the equipment is accessed, the main control MCU sends Source _ Cap to the access equipment, and meanwhile, the multi-protocol chip also performs rapid charging protocol handshake with the access equipment except PD protocol;
102. if the device has no GoodCRC response after the Source _ Cap is sent, the main control MCU acquires the semaphore fed back by the multi-protocol chip through the resistance network through the ADC, and then controls and outputs the corresponding PWM duty ratio to the low-pass filter circuit and the operational amplifier, and finally feeds back the PWM duty ratio to the AC-DC end, and controls and outputs the corresponding voltage value required by the rapid charging, so that the effect of rapidly charging the access device is realized;
103. if the device has GoodCRC response after sending Source _ Cap, the master control MCU stops the ADC from collecting the semaphore fed back by the multi-protocol chip through the resistance network, acquires the Request requirement of the opposite side through PD communication, further controls and outputs the corresponding PWM duty ratio to the low-pass filter circuit and the operational amplifier, and finally feeds back the PWM duty ratio to the AC-DC end, controls and outputs the corresponding voltage value required by fast charging, and achieves the effect of fast charging the access device.
The invention can support PD protocol, high-pass quick-charging protocol, Huashi quick-charging protocol, MTK quick-charging protocol, spread spectrum quick-charging protocol, Samsung quick-charging protocol, VOOV quick-charging protocol, BC1.2 protocol and apple 2.4A quick-charging protocol, and is particularly suitable for charging consumer electronic products supporting quick-charging, wherein the consumer electronic products comprise mobile phones, tablets, notebooks, MP3, MP4, mobile power supplies, virtual reality gloves and the like. The quick charging adapter device can realize quick charging of the consumer electronic product supporting quick charging, has wide applicability and achieves the effect of integrating and utilizing electronic resources.
Drawings
Fig. 1 is a system block diagram of a multi-protocol flash adapter implemented by the present invention.
Fig. 2 is a control flow diagram of a multi-protocol flash adapter implemented by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows a multi-protocol fast charging adapter implemented by the present invention, in which: the multi-protocol quick-charging adapter comprises an operational amplifier (Buffer) module 1, an RC low-pass filtering module 2, a main control MCU3, an LDO power supply module 4, a multi-protocol chip 5, a multi-protocol acquisition resistor network 6 and a TYPE-C interface 7. The operational amplifier module 1 is connected to the RC low-pass filter module 2 and then connected to the main control MCU3, the multi-protocol chip 5 is connected to the multi-protocol acquisition resistance network 6, and is connected to the main control MCU3 through the multi-protocol acquisition resistance network 6. And the multi-protocol chip 5 is connected to the TYPE-C interface 7 so as to perform quick-charging protocol handshake with the access device. After the TYPE-C interface 7 detects that the device is accessed, the main control MCU3 sends a signal to the access device, and meanwhile, the multi-protocol chip 5 also performs other rapid charging protocol handshaking except the PD protocol with the access device so as to identify and judge the TYPE of the access device, thereby realizing the effect of rapid charging.
The ADC of the main control MCU3 is connected to the multi-protocol chip through a multi-protocol acquisition resistance network 6.
The multi-protocol acquisition resistor network 6 comprises resistors R1 and R2, wherein the resistors R1 and R2 are connected in series, the resistor R1 is connected to the LDO power supply module 4, the resistor R2 is connected to the ground, and the multi-protocol chip 5 is connected between the resistor R1 and the resistor R2.
The operational amplifier in the operational amplifier (Buffer) module 1 is a rail-to-rail operational amplifier, and the connection method is a voltage follower.
The RC low-pass filtering module 2 is two-stage low-pass filtering, R takes the value of 10K, and C takes the value of 104.
The main control MCU module 3 integrates TYPE-C interface recognition Rd, Rp and PD protocol PHY layer.
The multi-protocol chip 5 can support multiple rapid charging protocol identifications, such as a high-pass rapid charging protocol, a Huacheng rapid charging protocol, an MTK rapid charging protocol, a spread rapid charging protocol, a Samsung rapid charging protocol, a VOOV rapid charging protocol, a BC1.2 protocol and an apple 2.4A rapid charging protocol.
Referring to fig. 2, the method for adapting a multi-protocol fast charging adapter implemented by the present invention includes the following steps:
(1) after the TYPE-C interface 7 detects that the device is accessed, the main control MCU3 sends Source _ Cap to the access device, and meanwhile, the multi-protocol chip 5 also performs handshake with the access device according to other fast charging protocols except the PD protocol.
(2) If the device has no GoodCRC response after sending the Source _ Cap, the main control MCU3 acquires the semaphore fed back by the multi-protocol chip 5 through the resistance network 6 through the ADC, and then controls and outputs the corresponding PWM duty ratio to the low-pass filter circuit 2 and the operational amplifier 1, and finally feeds back the PWM duty ratio to the AC-DC end, and controls and outputs the corresponding voltage value required by fast charging, thereby realizing the effect of fast charging the access device.
(3) If the device has a GoodCRC response after sending the Source _ Cap, the master control MCU3 stops the ADC from collecting the semaphore fed back by the multi-protocol chip 5 through the resistor network 6, acquires the Request requirement of the opposite side through PD communication, further controls and outputs the corresponding PWM duty ratio to the low-pass filter circuit 2 and the operational amplifier 1, and finally feeds back the PWM duty ratio to the AC-DC end, controls and outputs the corresponding voltage value required by fast charging, and realizes the effect of fast charging the access device.
Therefore, the invention can support PD protocol, high-pass quick-charging protocol, Huashi quick-charging protocol, MTK quick-charging protocol, spread spectrum quick-charging protocol, Samsung quick-charging protocol, VOOV quick-charging protocol, BC1.2 protocol and apple 2.4A quick-charging protocol through the design of the main control MCU and the multi-protocol chip in the adapter, and is particularly suitable for charging consumer electronic products supporting quick-charging, wherein the consumer electronic products comprise mobile phones, flat panels, notebooks, MP3, MP4, mobile power supplies, virtual reality gloves and the like. The quick charging adapter device can realize quick charging of the consumer electronic product supporting quick charging, has wide applicability and achieves the effect of integrating and utilizing electronic resources.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. An adaptation method of a multi-protocol quick charging adapter is characterized by comprising the following steps:
101. after the TYPE-C interface detects that the equipment is accessed, the main control MCU sends Source _ Cap to the access equipment, and meanwhile, the multi-protocol chip also performs rapid charging protocol handshake with the access equipment except PD protocol;
102. if the device has no GoodCRC response after the Source _ Cap is sent, the main control MCU acquires the semaphore fed back by the multi-protocol chip through the resistance network through the ADC, and then controls and outputs the corresponding PWM duty ratio to the low-pass filter circuit and the operational amplifier, and finally feeds back the PWM duty ratio to the AC-DC end, and controls and outputs the corresponding voltage value required by the rapid charging;
103. if the device has GoodCRC response after sending Source _ Cap, the master control MCU stops the ADC from collecting the semaphore fed back by the multi-protocol chip through the resistance network, acquires the Request requirement of the opposite side through PD communication, further controls and outputs the corresponding PWM duty ratio to the low-pass filter circuit and the operational amplifier, and finally feeds back the PWM duty ratio to the AC-DC end, controls and outputs the corresponding voltage value required by fast charging, and achieves the effect of fast charging the access device.
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| CN109066898A (en) * | 2018-09-13 | 2018-12-21 | 珠海市微半导体有限公司 | Integrate the charging connection and chip and charging connecting device of a variety of fast charge agreements |
| CN112448423B (en) * | 2019-08-28 | 2023-05-09 | 北京小米移动软件有限公司 | Charging method and device, electronic equipment and storage medium |
| CN112448449B (en) * | 2020-11-16 | 2023-05-05 | Oppo广东移动通信有限公司 | Charging control method and device, electronic equipment and storage medium |
| CN113949130A (en) * | 2021-10-23 | 2022-01-18 | 湖南省舟际智控电气科技有限公司 | Multi-port multi-protocol quick charger and method for intelligently distributing charging power |
| CN116760135A (en) * | 2023-06-13 | 2023-09-15 | 东莞市颜仔电子科技有限公司 | Multi-fast charging protocol power adapter and control method thereof |
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| US20120074901A1 (en) * | 2010-09-27 | 2012-03-29 | Tim Mohammed | Centralized charging station |
| CN106571667A (en) * | 2016-10-27 | 2017-04-19 | 芯海科技（深圳）股份有限公司 | Adapter based on USB-PD and quick charging method |
| CN106684986A (en) * | 2016-12-26 | 2017-05-17 | 建荣半导体（深圳）有限公司 | Charging equipment and fast-charging protocol analytic method and system thereof |
| CN106654742B (en) * | 2016-12-27 | 2022-09-23 | 歌尔科技有限公司 | USB concentrator supporting quick charging |
| CN106655387B (en) * | 2016-12-30 | 2019-08-02 | 建荣半导体（深圳）有限公司 | A kind of charging equipment and its fast charge protocol identification chip |
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