CN214100937U - A one-to-three data line fast charge control circuit - Google Patents
A one-to-three data line fast charge control circuit Download PDFInfo
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- CN214100937U CN214100937U CN202120080376.3U CN202120080376U CN214100937U CN 214100937 U CN214100937 U CN 214100937U CN 202120080376 U CN202120080376 U CN 202120080376U CN 214100937 U CN214100937 U CN 214100937U
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Abstract
本实用新型公开了一种一拖三数据线快充控制电路，包括有输入模块、主控模块、稳压电路和输出模块，输出模块包括有D+/D‑信号通道切换电路、输出端主电源控制电路和输出端辅助电源控制电路，D+/D‑信号通道切换电路连接主控模块，输出端主电源控制电路分别连接主控模块和D+/D‑信号通道切换电路，输出端辅助电源控制电路分别连接主控模块和输出端主电源控制电路。本实用新型的电路结构更为简单，能实现USB TO MICRO/TYPE‑C/Lightning的一拖三自动识别快充功能，MICRO支持QC 5~12V快充，TYPE‑C支持QC/FCP/SCP/VOOC全协议并支持三星部分机型快充功能，Lightning支持5V/2.4A最大充电，同时使用时为5V/3A最大，每个口充电电流最大为1A。
The utility model discloses a one-to-three data line fast charging control circuit, which comprises an input module, a main control module, a voltage regulator circuit and an output module. The output module comprises a D+/D- signal channel switching circuit and a main power supply at an output end. The control circuit and the output terminal auxiliary power control circuit, the D+/D‑ signal channel switching circuit is connected to the main control module, the output terminal main power control circuit is respectively connected to the main control module and the D+/D‑ signal channel switching circuit, and the output terminal auxiliary power control circuit Connect the main control module and the main power control circuit of the output end respectively. The circuit structure of the utility model is simpler, and can realize the one-to-three automatic identification fast charging function of USB TO MICRO/TYPE-C/Lightning, MICRO supports QC 5~12V fast charging, and TYPE-C supports QC/FCP/SCP/ VOOC full protocol and supports the fast charging function of some Samsung models. Lightning supports 5V/2.4A maximum charging, and 5V/3A maximum when using at the same time, and the maximum charging current for each port is 1A.
Description
Technical Field
The utility model relates to a data line charging device technical field especially relates to a control circuit for realizing that one drags three data lines to fill soon.
Background
At present, the quick charging technology is widely applied to various mobile devices, and the charging time of the devices is greatly shortened. One drags three data lines on original market to have Micro USB, Lightning USB and three output channel of Type-C usually, and voltage can rise when a passageway carries out fast filling, and the voltage of two other passageways also can rise usually and lead to normally filling slowly, influences the use. Therefore, a one-to-three data line capable of performing fast charging and slow charging simultaneously is invented, and the data line can simultaneously meet the requirement that when one output channel (such as Type-C) outputs 9V fast charging, the other two output channels output 5V and normally and slowly charge. However, there are various fast charging protocols in the market, such as hua shi protocol, samsung protocol, OPPO protocol, etc., and if the data line cannot support the above protocols at the same time, it is inconvenient to implement a one-to-three mode for fast charging the corresponding mobile phone at the same time. Although some attempts have been made to solve the above problems, the circuits used in the data lines are complex, the control process is complicated, the cost is high, and the application is troublesome.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a circuit structure is simpler, the cost is lower, control process is more succinct, use more convenient one drag three data lines to fill control circuit soon.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a one drags three data lines fill control circuit soon, includes input module, host system, voltage stabilizing circuit and output module, and input module, its characterized in that are connected to the voltage stabilizing module: the output module comprises a D +/D-signal channel switching circuit, an output end main power supply control circuit and an output end auxiliary power supply control circuit, the D +/D-signal channel switching circuit is connected with the main control module, the output end main power supply control circuit is respectively connected with the main control module and the D +/D-signal channel switching circuit, and the output end auxiliary power supply control circuit is respectively connected with the main control module and the output end main power supply control circuit;
the D +/D-signal channel switching circuit comprises three independent sub-channel switching circuits, namely a TYPE-C channel switching circuit, a MICRO-USB channel switching circuit and a Lightning USB channel switching circuit;
the output end main power control circuit comprises three independent output end power control circuits, namely a TYPE-C output control circuit, a MICRO-USB output control circuit and a Lightning USB output control circuit, which are respectively connected with a corresponding TYPE-C channel switching circuit, a MICRO-USB channel switching circuit and a Lightning USB channel switching circuit;
the output end auxiliary power supply control circuit comprises three independent output auxiliary power supply control circuits, namely a TYPE-C output auxiliary control circuit, a MICRO-USB output auxiliary control circuit and a Lightning USB output auxiliary control circuit, and the three are respectively connected with the corresponding TYPE-C output control circuit, the MICRO-USB output control circuit and the Lightning USB output control circuit.
The model of a main control chip U2 adopted by the main control module is ST8P885S (or a chip with similar function), the 20 th pin of the main control chip is connected with 5V voltage provided by a voltage stabilizing circuit, and the 6 th pin and the 7 th pin of the main control chip are respectively connected with a D-end and a D + end of the input module.
The TYPE-C channel switching circuit, the MICRO-USB channel switching circuit and the Lightning USB channel switching circuit respectively adopt a switch chip IC1, a switch chip IC2 and a switch chip IC13, the TYPEs of the three switch chips are ET7222, the three are respectively provided with 5V voltage by a voltage stabilizing circuit, and the S pins of the three are respectively connected with the 8 th pin, the 10 th pin and the 9 th pin of the main control chip U2.
The TYPE-C output control circuit adopts a three-MOS tube control structure, wherein an MOS tube Q3 and an MOS tube Q6 are connected between the 1 st pin of the TYPE-C interface and the 16 th pin of the main control chip U2, and an MOS tube Q10 is connected between the 4 th pin of the TYPE-C interface and the 13 th pin of the main control chip U2; the MICRO-USB output control circuit and the Lightning USB output control circuit both adopt a double MOS tube control structure, wherein the No. 1 pin of a MICRO-USB interface of the MICRO-USB output control circuit is connected with the No. 14 pin of the main control chip U2 through a MOS tube Q1 and a MOS tube Q4; the 1 st pin of the Lightning USB interface of the Lightning USB output control circuit is connected with the 15 th pin of the main control chip U2 through a MOS tube Q2 and a MOS tube Q5; the 4 th pin of the TYPE-C interface, the MICRO-USB interface and the Lightning USB interface is also connected with the 19 th pin, the 17 th pin and the 18 th pin of the main control chip U2 through a resistor R10, a resistor R8 and a resistor R9 respectively.
The TYPE-C output auxiliary control circuit, the MICRO-USB output auxiliary control circuit and the Lightning USB output auxiliary control circuit are respectively controlled by one MOS tube, wherein the MOS tube Q9 of the TYPE-C output auxiliary control circuit is connected with the 13 th pin of the main control chip U2 and is connected with the 1 st pin of the TYPE-C interface through a diode D3; the MOS tube Q7 of the MICRO-USB output auxiliary control circuit is connected with the 11 th pin of the main control chip U2 and is connected with the 1 st pin of the MICRO-USB interface through a diode D1; the MOS transistor Q8 of the Lightning USB output auxiliary control circuit is connected to the 12 th pin of the main control chip U2, and is connected to the 1 st pin of the Lightning USB interface through the diode D2.
The voltage stabilizing chip U1 adopted by the voltage stabilizing circuit is HT7550, and provides 5V power supply for each subsequent circuit module.
The intelligent control circuit also comprises an input voltage acquisition module which consists of a resistor R31, a resistor R32 and a resistor R33 which are connected in parallel in a star shape, wherein the resistor R31 is connected with the input module, the resistor R33 is connected with the 5 th pin of the main control chip U2, and the resistor R32 is grounded.
The 2 nd pin of the main control chip U2 is connected with a green LED for displaying normal slow charging, and the 3 rd pin of the main control chip U2 is connected with a red LED for displaying fast charging.
The utility model discloses a circuit structure is more simple, can realize that USB TO MICRO/TYPE-C/Lightning's one drags three automatic identification TO fill the function soon, wherein, MICRO supports QC 5~12V and fills soon, TYPE-C supports QC/FCP/SCP/VOOC global agreement and supports the function that fills soon of samsung part model, Lightning supports 5V 2.4A maximum charging, it is the biggest for 5V 3A when using simultaneously, every mouthful charging current is the most 1A. Compared with the realization circuit in the prior art, the realization circuit is simpler, each output channel has a data transmission function, the control process is simpler, and the use is more convenient.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
A is the input module, B is steady voltage, C is the input voltage acquisition module, D is the main control module, E is TYPE-C passageway switching circuit, F is MICRO-USB passageway switching circuit, G is Lightning USB passageway switching circuit, H is MICRO-USB output control circuit, I is Lightning USB output control circuit, J is TYPE-C output control circuit, K is MICRO-USB output auxiliary control circuit, L is Lightning USB output auxiliary control circuit, M is TYPE-C output auxiliary control circuit.
Detailed Description
In this embodiment, referring to fig. 1, the one-to-three data line fast charging control circuit includes an input module a, a main control module D, a voltage stabilizing circuit B and an output module, the voltage stabilizing module B is connected to the input module a, the output module includes a D +/D-signal channel switching circuit, an output-side main power control circuit and an output-side auxiliary power control circuit, the D +/D-signal channel switching circuit is connected to the main control module D, the output-side main power control circuit is respectively connected to the main control module and the D +/D-signal channel switching circuit, and the output-side auxiliary power control circuit is respectively connected to the main control module and the output-side main power control circuit;
the D +/D-signal channel switching circuit comprises three independent sub-channel switching circuits, namely a TYPE-C channel switching circuit E, MICRO-a USB channel switching circuit F and a Lightning USB channel switching circuit G;
the output end main power supply control circuit comprises three independent output end power supply control circuits, namely a TYPE-C output control circuit J, MICRO-a USB output control circuit H and a Lightning USB output control circuit I which are respectively connected with a corresponding TYPE-C channel switching circuit E, MICRO-a USB channel switching circuit F and a Lightning USB channel switching circuit G;
the output end auxiliary power supply control circuit comprises three independent output auxiliary power supply control circuits, namely a TYPE-C output auxiliary control circuit M, MICRO-USB output auxiliary control circuit K and a Lightning USB output auxiliary control circuit L, which are respectively connected with a corresponding TYPE-C output control circuit J, MICRO-USB output control circuit H and a Lightning USB output control circuit I.
The main control chip U2 adopted by the main control module 4 is ST8P885S, the 20 th pin of the main control chip is connected to the 5V voltage provided by the voltage stabilizing circuit, and the 6 th pin and the 7 th pin of the main control chip are respectively connected to the D-terminal and the D + terminal of the input module.
The TYPE-C channel switching circuit E, MICRO-USB channel switching circuit F and the Lightning USB channel switching circuit G respectively adopt a switch chip IC1, a switch chip IC2 and a switch chip IC13, the TYPEs of the three switch chips are ET7222, the three are respectively provided with 5V voltage by a voltage stabilizing circuit, and the S pins of the three are respectively connected with the 8 th pin, the 10 th pin and the 9 th pin of the main control chip U2.
The TYPE-C output control circuit J adopts a three-MOS tube control structure, wherein an MOS tube Q3 and an MOS tube Q6 are connected between the 1 st pin of the TYPE-C interface and the 16 th pin of the main control chip U2, and an MOS tube Q10 is connected between the 4 th pin of the TYPE-C interface and the 13 th pin of the main control chip U2; the MICRO-USB output control circuit H and the Lightning USB output control circuit 8 both adopt a double MOS tube control structure, wherein the 1 st pin of the MICRO-USB interface of the MICRO-USB output control circuit H is connected with the 14 th pin of the main control chip U2 through a MOS tube Q1 and a MOS tube Q4; the 1 st pin of the Lightning USB interface of the Lightning USB output control circuit I is connected with the 15 th pin of the main control chip U2 through a MOS tube Q2 and a MOS tube Q5; the 4 th pin of the TYPE-C interface, the MICRO-USB interface and the Lightning USB interface is also connected with the 19 th pin, the 17 th pin and the 18 th pin of the main control chip U2 through a resistor R10, a resistor R8 and a resistor R9 respectively.
The TYPE-C output auxiliary control circuit M, MICRO-the USB output auxiliary control circuit K and the Lightning USB output auxiliary control circuit L are respectively controlled by one MOS tube, wherein the MOS tube Q9 of the TYPE-C output auxiliary control circuit M is connected with the 13 th pin of the main control chip U2 and is connected with the 1 st pin of the TYPE-C interface through a diode D3; the MOS tube Q7 of the MICRO-USB output auxiliary control circuit K is connected with the 11 th pin of the main control chip U2 and is connected with the 1 st pin of the MICRO-USB interface through a diode D1; the MOS transistor Q8 of the Lightning USB output auxiliary control circuit is connected to the 12 th pin of the main control chip U2, and is connected to the 1 st pin of the Lightning USB interface through the diode D2.
The voltage stabilizing chip U1 adopted by the voltage stabilizing circuit B is HT7550, and provides 5V power supply for each subsequent circuit module.
The intelligent control circuit also comprises an input voltage acquisition module C, wherein the input voltage acquisition module C is composed of resistors R31, R32 and R33 which are connected in parallel in a star shape, the resistor R31 is connected with the input module, the resistor R33 is connected with the 5 th pin of the main control chip U2, and the resistor R32 is grounded.
The 2 nd pin of the main control chip U2 is connected with a green LED for displaying normal slow charging, and the 3 rd pin of the main control chip U2 is connected with a red LED for displaying fast charging.
Each channel has an independent data transmission function, and when the channel is used, the channel is inserted according to the last channel; during charging, the 5V charging green LED lamp is turned on to indicate common charging; when the charging voltage exceeds 6V, the red LED is on, and quick charging is indicated. Hua is that some cell-phones show super fast charging when 5V/4.5A charges, but still the dead color LED lamp is bright, because the voltage does not exceed 5V.
The MICRO channel supports QC 5-12V fast charging (depending on the matching performance of a charger and a mobile phone), the TYPE-C channel supports QC/FCP/SCP/VOOC full protocol and supports the tri-star part TYPE fast charging function, and the Lightning channel supports 5V/2.4A maximum charging. When the three channels are used simultaneously, the output is 5V/3A at most, and the charging current of each port is 1A at most.
The working process is as follows: 1. electrifying, carrying out system initialization by the main control chip U2, automatically identifying information of an output end, and judging whether a mobile phone is inserted into each interface;
2. detecting that no mobile phone signal exists, automatically entering a standby mode, and outputting an auxiliary power supply by each channel;
3. when a load signal is detected in a single channel, the loaded channel is automatically switched to a main power supply, and meanwhile, a corresponding D +/D-signal channel is opened, so that the load D +/D-and an input end D +/D-are in a butt joint relation, and a matched quick charge protocol is entered;
4. and when the load signals of 2 or more channels are detected, the loaded channels are switched to a main power supply, and the channels of the load D +/D-and the input end D +/D-are cut off, so that the loads enter a reference 5V charging mode, and the loads of all the channels are protected.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
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| CN202120080376.3U CN214100937U (en) | 2021-01-12 | 2021-01-12 | A one-to-three data line fast charge control circuit |
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| CN202120080376.3U CN214100937U (en) | 2021-01-12 | 2021-01-12 | A one-to-three data line fast charge control circuit |
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| CN214100937U true CN214100937U (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114706801A (en) * | 2022-06-06 | 2022-07-05 | 深圳英集芯科技股份有限公司 | USB output path switching circuit and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114706801A (en) * | 2022-06-06 | 2022-07-05 | 深圳英集芯科技股份有限公司 | USB output path switching circuit and device |
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