CN212012206U - Circuit structure based on TYPE-C interface automatic identification multiple cell-phone protocol of filling soon - Google Patents
Circuit structure based on TYPE-C interface automatic identification multiple cell-phone protocol of filling soon Download PDFInfo
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- CN212012206U CN212012206U CN202020960380.4U CN202020960380U CN212012206U CN 212012206 U CN212012206 U CN 212012206U CN 202020960380 U CN202020960380 U CN 202020960380U CN 212012206 U CN212012206 U CN 212012206U
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Abstract
The utility model discloses a circuit structure based on multiple cell-phone of TYPE-C interface automatic identification fills agreement soon, including USB input and TYPE-C output, be equipped with the OV identification chip and two resistances that are used for realizing that OPPO fills the agreement soon and VIVO fills the agreement soon and are 56K's agreement discernment resistance at TYPE-C output. The utility model discloses an integrated agreement discernment resistance that sets up OV identification chip and two 56K at the TYPE-C output of data line, break-make is controlled through OV identification chip to one of them, and control process is according to the cell-phone automatic identification that TYPE-C output is connected, with the realization to Hua do, the samsung, OPPO, VIVO, multiple cell-phones such as millet fill soon, and the realization structure of whole circuit is very simple, and is with low costs, the reliability is high, and it is very convenient to use.
Description
Technical Field
The utility model relates to a data line charging device technical field, concretely relates to realize Hua to, circuit structure of multiple cell-phones protocol that fills soon such as three stars, OPPO, VIVO based on TYPE-C interface.
Background
Due to the great advantages of the TYPE-C interface in use, currently, various large mobile phone manufacturers start to comprehensively implement the TYPE-C interface mode. However, in the initial application stage, the protocols for realizing the fast charging cannot be unified, various fast charging protocols such as hua shi protocol, samsung protocol, OPPO protocol and the like still exist in the market at present, and if the data line cannot simultaneously support the protocols, the fast charging for the corresponding mobile phone cannot be realized. For example, for realizing super fast charging of a mobile phone, a TYPE-C end must be a double 56K resistor TYPE-C connector, and if a single 56K resistor is used, only 5V and 2A common charging can be realized. And to realize QC quick charging, the TYPE-C end must be a single 56K resistance TYPE-C connector, and if double 56K resistances are used, only 5V and 1A common charging can be realized. Certainly, an OPPO mobile phone needs to have a USB input end and needs to have an identification chip to realize quick charging, and the like, which are not listed here. Based on the above reasons, the problem that a data line capable of realizing multiple fast charging protocols on the market at present generally has a complex circuit structure is caused, and if a main control module, an LDO module, a multi-protocol acquisition resistor network, an output multi-protocol chip, an input multi-protocol resistor network, multiple chips, electronic elements and the like need to be arranged, the cost is greatly increased, and meanwhile, faults are easy to occur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a circuit structure that realizes that the structure is simpler, the reliability is high, convenient to use, cost are lower, fill the agreement soon based on multiple cell-phone of TYPE-C interface automatic identification.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a circuit structure based on multiple cell-phone of TYPE-C interface automatic identification protocol that fills soon, including USB input and TYPE-C output, connect its characterized in that through the power cord in the data line between the two: an OV identification chip U2 for realizing an OPPO quick-charging protocol and a VIVO quick-charging protocol, a protocol identification resistor R2 and a resistor R3 with the resistance values of 56K are arranged at the output end of the TYPE-C, the model of the OV identification chip U2 is SOT23-6, and the OV identification chip can be directly used for quickly charging an OPPO mobile phone and a VIVO mobile phone due to the existence of the OV identification chip; the resistor R3 and the resistor R2 are respectively connected with a pin CC and a pin CC2 of the TYPE-C output end, wherein the other end of the resistor R2 is connected with a pin 3 of an OV identification chip U2, and an OV identification chip U2 forms an on-off control structure for the resistor R2; the other end of the resistor R3 is directly connected with a VBUS pin of the USB input end through a power line of a data line, so that the resistor R3 is always in a high-level pull-up state; when the OV identification chip U2 is connected with the protocol identification resistor R2 connected with the OV identification chip U2, double resistors (namely the resistor R2 and the resistor R3) are pulled up to realize Hua as a fast charging protocol, at the moment, super fast charging of the Hua as a mobile phone can be realized, when the OV identification chip U2 is disconnected with the protocol identification resistor R2 connected with the OV identification chip U2, single resistor is pulled up to realize a Samsung fast charging protocol, and at the moment, QC fast charging of the Samsung mobile phone can be realized.
The pin 5 of the OV identification chip U2 is connected with a voltage stabilizing circuit, and is used for supplying power to the OV identification chip U2 and preventing high voltage from damaging the OV identification chip U2; the voltage stabilizing circuit is connected with a power line of the data line; the voltage stabilizing circuit comprises a 5V voltage stabilizing diode D1 and a resistor R1, wherein a pin 5 of an OV identification chip U2 is connected with the resistor R1 and the cathode of the voltage stabilizing diode D1, the anode of the voltage stabilizing diode D1 is connected with a capacitor C2, the capacitor C2 and the other end of the resistor R1 are connected to a power line of a data line together, and the anode of the voltage stabilizing diode is grounded; the model of the OV identification chip U2 is YD19080 or ST 1551.
The working principle is as follows: when the USB input end is inserted into a charger matched with an original OPPO/VIVO mobile phone, the TYPE-C output end is connected into the OPPO/VIVO mobile phone, at the moment, a 6 pin of the OV identification chip U2 gives a handshake signal to the charger to prompt that the charger is the original mobile phone, and a quick charging function is opened; when the TYPE-C output end is connected with the Hua mobile phone, the pin CC judges what charging protocol of the mobile phone is by detecting the charging protocol time sequence, and when the TYPE-C output end is judged to be the Hua mobile phone charging protocol, the pin 3 of the OV identification chip U2 is pulled up, so that the pin CC2 is changed into a pull-up mode, and a double-resistor pull-up quick charging mode is further completed; when the TYPE-C output end is connected with the Samsung mobile phone, the pin CC judges what the charging protocol of the mobile phone is by detecting the charging protocol time sequence, and when the charging protocol of the Samsung mobile phone is judged, the pin 3 of the OV identification chip U2 is suspended, so that the pin CC2 is changed into a suspended mode, and then the single-resistor pull-up quick-charging mode is completed. Meanwhile, the quick charging function of the millet mobile phone can be realized in the two modes.
The utility model discloses an integrated agreement discernment resistance that sets up OV identification chip and two 56K at the TYPE-C output of data line, break-make is controlled through OV identification chip to one of them, and control process is according to the cell-phone automatic identification that TYPE-C output is connected, with the realization to Hua do, the samsung, OPPO, VIVO, multiple cell-phones such as millet fill soon, and the realization structure of whole circuit is very simple, and is with low costs, the reliability is high, and it is very convenient to use.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
In this embodiment, refer to fig. 1, circuit structure based on multiple cell-phone of TYPE-C interface automatic identification fills agreement soon, including USB input and TYPE-C output, connect its characterized in that through the power cord in the data line between the two: an OV identification chip U2 for realizing an OPPO quick-charging protocol and a VIVO quick-charging protocol, a protocol identification resistor R2 and a resistor R3 with the resistance values of 56K are arranged at the output end of the TYPE-C, the model of the OV identification chip U2 is SOT23-6, and the OV identification chip can be directly used for quickly charging an OPPO mobile phone and a VIVO mobile phone due to the existence of the OV identification chip; the resistor R3 and the resistor R2 are respectively connected with a pin CC and a pin CC2 of the TYPE-C output end, wherein the other end of the resistor R2 is connected with a pin 3 of an OV identification chip U2, and an OV identification chip U2 forms an on-off control structure for the resistor R2; the other end of the resistor R3 is directly connected with a VBUS pin of the USB input end through a power line of a data line, so that the resistor R3 is always in a high-level pull-up state; when the OV identification chip U2 is connected with the protocol identification resistor R2 connected with the OV identification chip U2, double resistors (namely the resistor R2 and the resistor R3) are pulled up to realize Hua as a fast charging protocol, at the moment, super fast charging of the Hua as a mobile phone can be realized, when the OV identification chip U2 is disconnected with the protocol identification resistor R2 connected with the OV identification chip U2, single resistor is pulled up to realize a Samsung fast charging protocol, and at the moment, QC fast charging of the Samsung mobile phone can be realized.
The pin 5 of the OV identification chip U2 is connected with a voltage stabilizing circuit, and is used for supplying power to the OV identification chip U2 and preventing high voltage from damaging the OV identification chip U2; the voltage stabilizing circuit is connected with a power line of the data line; the voltage stabilizing circuit comprises a 5V voltage stabilizing diode D1 and a resistor R1, wherein a pin 5 of an OV identification chip U2 is connected with the resistor R1 and the cathode of the voltage stabilizing diode D1, the anode of the voltage stabilizing diode D1 is connected with a capacitor C2, the capacitor C2 and the other end of the resistor R1 are connected to a power line of a data line together, and the anode of the voltage stabilizing diode is grounded; the model of the OV identification chip U2 is YD19080 (or ST 1551).
The working principle is as follows: when the USB input end is inserted into a charger matched with an original OPPO/VIVO mobile phone, the TYPE-C output end is connected into the OPPO/VIVO mobile phone, at the moment, a 6 pin of the OV identification chip U2 gives a handshake signal to the charger to prompt that the charger is the original mobile phone, and a quick charging function is opened; when the TYPE-C output end is connected with the Huawei mobile phone, the pin CC judges what the charging protocol of the mobile phone is by detecting the charging protocol time sequence, and when the judgment is that the mobile phone is the Huawei mobile phone charging protocol, the pin 3 of the OV identification chip U2 is pulled up, so that the pin CC2 is changed into a pull-up mode, a double-resistance pull-up quick charging mode is further completed, and the super quick charging method can be used for the Huawei mobile phone; when the TYPE-C output end is connected with the Samsung mobile phone, the pin CC judges what charging protocol of the mobile phone is by detecting the charging protocol time sequence, when the charging protocol of the Samsung mobile phone is judged, the pin 3 of the OV identification chip U2 is suspended, the pin CC2 is changed into a suspended mode, and then a single-resistor pull-up quick-charging mode is completed, the QC quick-charging can be performed on the Samsung mobile phone, and in addition, the data line can also be directly used for quickly charging the millet mobile phone.
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 (5)
1. The utility model provides a circuit structure based on multiple cell-phone of TYPE-C interface automatic identification protocol that fills soon, including USB input and TYPE-C output, connect its characterized in that through the power cord in the data line between the two: an OV identification chip U2 for realizing an OPPO quick-charging protocol and a VIVO quick-charging protocol, a protocol identification resistor R2 with the resistance value of 56K and a resistor R3 are arranged at the output end of the TYPE-C; the resistor R3 and the resistor R2 are respectively connected with a pin CC and a pin CC2 of the TYPE-C output end, wherein the other end of the resistor R2 is connected with a pin 3 of an OV identification chip U2, and an OV identification chip U2 forms an on-off control structure for the resistor R2; the other end of the resistor R3 is directly connected with a VBUS pin of the USB input end through a power line of a data line, so that the resistor R3 is always in a high-level pull-up state; when the OV identification chip U2 is connected with the protocol identification resistor R2, double-resistor pull-up is formed to realize the Hua is the fast charging protocol, and when the OV identification chip U2 is disconnected with the protocol identification resistor R2, single-resistor pull-up is formed to realize the Samsung fast charging protocol.
2. The circuit structure based on the TYPE-C interface automatic identification multiple mobile phone fast charging protocols of claim 1, characterized in that: the pin 5 of the OV identification chip U2 is connected with a voltage stabilizing circuit, and the voltage stabilizing circuit is connected with a power line of a data line; the voltage stabilizing circuit comprises a 5V voltage stabilizing diode D1 and a resistor R1, wherein a pin 5 of an OV identification chip U2 is connected with the resistor R1 and the cathode of the voltage stabilizing diode D1, the anode of the voltage stabilizing diode D1 is connected with a capacitor C2, the capacitor C2 and the other end of the resistor R1 are connected to a power line of a data line together, and the anode of the voltage stabilizing diode is grounded; the model of the OV identification chip U2 is YD19080 or ST 1551.
3. The circuit structure based on the TYPE-C interface automatic identification multiple mobile phone fast charging protocols of claim 2, characterized in that: pin 6 of the OV identification chip U2 is connected to pin ID of the USB input terminal through a resistor R9, and pin 2 of the OV identification chip U2 is grounded.
4. The circuit structure based on the TYPE-C interface automatic identification multiple mobile phone fast charging protocols of claim 2, characterized in that: pin 1 of the OV identification chip U2 is directly connected with pin CC of the output end of TYPE-C, and pin CC, resistor R3 and pin 1 of the OV identification chip U2 are grounded together through a resistor R4.
5. The circuit structure based on the TYPE-C interface automatic identification multiple mobile phone fast charging protocols of claim 2, characterized in that: pin 5 of the OV identification chip U2 is connected to ground through a capacitor C1.
Applications Claiming Priority (2)
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| CN201921154759 | 2019-07-22 | ||
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865241A (en) * | 2021-01-26 | 2021-05-28 | 浙江金得利电器有限公司 | Hair curler circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865241A (en) * | 2021-01-26 | 2021-05-28 | 浙江金得利电器有限公司 | Hair curler circuit |
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