CN213660821U - IPHONE C91 fast-charging data line without CC line - Google Patents
IPHONE C91 fast-charging data line without CC line Download PDFInfo
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- CN213660821U CN213660821U CN202022512844.8U CN202022512844U CN213660821U CN 213660821 U CN213660821 U CN 213660821U CN 202022512844 U CN202022512844 U CN 202022512844U CN 213660821 U CN213660821 U CN 213660821U
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Abstract
The utility model discloses a no CC line IPHONE C91 fill data line soon, it includes cable (20) TYPEC connector (10) of the one end of cable and Lighting connector (30) of the other end of cable, wherein, the inside of cable (20) comprises four lines of D + line, D-line, power cord and ground wire, the CC foot of TYPEC connector (10) passes through third resistance (R3) ground connection, the LIP D + foot of Lighting connector (30) is connected with CC voltage analog unit (50). The utility model discloses fall into four cores with original five-core framework, left out the CC line for very reduce on material and manufacturing cost, thereby make the product have more market competition.
Description
Technical Field
The invention relates to the field of charging data lines, in particular to a CC-line-free IPHONE C91 quick-charging data line.
Background
IPHONE mobile phones are popular with users and widely circulated around the world. As shown in fig. 1 and 2, the C91 fast charging data line widely used in IPHONE mobile phones includes: the cable 20, the TYPEC connector 10 at one end of the cable 20, and the Lighting connector 30 at the other end of the cable 20 have a charging control circuit 40 within the Lighting connector 30. The C91 quick-charging data line adopts a five-core structure, the cable 20 internally comprises five lines including a D + line, a D-line, a CC line, a power line and a ground line, the production process is complex, and the production cost is relatively high.
Disclosure of Invention
The invention aims to provide a CC-line-free IPHONE C91 fast-charging data line.
In order to achieve the above object, the present invention provides an IPHONE C91 fast charging data line without CC line, including a cable, a TYPEC connector at one end of the cable, and a Lighting connector at the other end of the cable, wherein: the inside of cable comprises four lines of D + line, D-line, power cord and ground wire, the CC foot of TYPEC connector passes through third resistance ground connection, the LIP D + foot of Lighting connector has CC voltage analog unit.
Preferably, the CC voltage simulation unit is a voltage divider circuit, one end of the voltage divider circuit is connected to the golden finger casing of the Lighting connector or grounded, and the other end of the voltage divider circuit is connected to the iphone POWER pin of the Lighting connector.
Preferably, the voltage dividing circuit is formed by connecting a first resistor and a second resistor in series.
Preferably, the first resistor and the second resistor are integrated in a charging control chip inside the Lighting connector.
Preferably, the charging control chip includes:
a VCC pin;
ground feet;
the DIO pin is used for connecting with an iphone DATA pin of the Lighting connector and communicating with a mobile phone;
POUT pin for driving peripheral MOS tube;
a ROUT pin for connecting with the iphone POWER pin;
a CC pin which is connected with the LIP D + pin and outputs CC voltage;
the logic control unit is connected with the POUT pin;
the communication signal processing unit is connected between the logic control unit and the DIO pin;
the charging overvoltage detection unit and the load short circuit detection unit are connected between the logic control unit and the ROUT pin;
a power supply unit connected between the logic control unit and the VCC pin;
the low-voltage reset detection unit is connected between the power supply unit and the logic control unit and is used for triggering the logic control unit to reset when the voltage is lower than a preset value; and
and an oscillation unit for providing a clock signal to the logic control unit.
Preferably, the charging control chip further comprises a VDD pin connected to the power supply unit for outputting a stable voltage.
Compared with the prior art, the invention has at least the following beneficial effects:
the utility model discloses fall into four cores with original five-core framework, left out the CC line for very reduce on material and manufacturing cost, thereby make the product have more market competition.
Drawings
FIG. 1 is a schematic diagram of the structure of an IPHONE C91 fast charging data line;
FIG. 2 is a circuit diagram of a conventional IPHONE C91 fast charge data line;
FIG. 3 is a circuit diagram of a first embodiment of a CC-line-less IPHONE C91 fast charge data line;
FIG. 4 is a circuit diagram of a second embodiment of a CC-line-less IPHONE C91 fast charge data line;
FIG. 5 is a circuit block diagram of a charge control chip;
reference numerals:
10. a TYPEC connector; 20. a cable; 30. lighting connectors; 40. a charge control circuit; 50. a CC voltage simulation unit;
r1, a first resistor;
r2, a second resistor;
r3, third resistor;
u1, a charging control chip;
1. a power supply unit; 2. a low voltage reset detection unit; 3. an oscillation unit; 4. a logic control unit; 5. a communication signal processing unit; 6. a load short circuit detection unit; 7. a charging overvoltage detection unit.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The first embodiment:
referring to fig. 3, the IPHONE C91 fast charging data line without CC line includes: a cable 20, a TYPEC connector 10 at one end of the cable 20, and a Lighting connector 30 at the other end of the cable 20.
Wherein, the inside of the cable 20 is composed of four lines of a D + line, a D-line, a power line and a ground line, namely: the CC line is omitted. The CC foot of TYPEC connector 10 passes through third resistance R3 ground connection, the LIP D + foot of Lighting connector 30 is connected with CC voltage analog unit 50, and CC voltage analog unit 50 specifically adopts the bleeder circuit that comprises first resistance R1 and second resistance R2 series connection, one termination of bleeder circuit the golden finger shell of Lighting connector 30, another termination of bleeder circuit the iphone POWER foot of Lighting connector 30. The resistance value of the first resistor R1 is 5.1K ohms, the resistance value of the second resistor R2 is 10K ohms, and the resistance value of the third resistor R3 is 5.1K ohms.
When the iPhone POWER voltage divider works, the voltage of the iPhone POWER pin is connected into the voltage divider circuit, and after the voltage is divided by the first resistor R1 and the second resistor R2, the voltage is formed into CC voltage, the CC voltage is provided for a mobile phone connected to the Lighting connector 30 through the LIP D + pin, and after the CC voltage is received by a charging management chip in the mobile phone, the quick charging is controlled to be started.
It can be seen that with the above circuitry, the cable 20 that enables IPHONE C91 fast charge data lines does not require a CC line for fast charging.
Second embodiment:
referring to fig. 4, in a second embodiment, an IPHONE C91 fast charging data line without CC line includes: a cable 20, a TYPEC connector 10 at one end of the cable 20, and a Lighting connector 30 at the other end of the cable 20. Wherein, the inside of the cable 20 is composed of four lines of a D + line, a D-line, a power line and a ground line, namely: the CC line is omitted. The CC foot of TYPEC connector 10 is through third resistance R3 ground connection, the LIP D + foot of Lighting connector 30 is connected with CC voltage analog unit, and CC voltage analog unit is specifically integrated in charging control chip U1, by the bleeder circuit that first resistance R1 and second resistance R2 establish ties and constitute, bleeder circuit's one end ground connection, bleeder circuit's another termination the iphone POWER foot of Lighting connector 30. The resistance value of the first resistor R1 is 5.1K ohms, the resistance value of the second resistor R2 is 10K ohms, and the resistance value of the third resistor R3 is 5.1K ohms.
When the iPhone POWER voltage divider works, the voltage of the iPhone POWER pin is connected into the voltage divider circuit, and after the voltage is divided by the first resistor R1 and the second resistor R2, the voltage is formed into CC voltage, the CC voltage is provided for a mobile phone connected to the Lighting connector 30 through the LIP D + pin, and after the CC voltage is received by a charging management chip in the mobile phone, the quick charging is controlled to be started.
In the second embodiment, the CC voltage analog unit is integrated in the charging control chip U1 inside the Lighting connector 30, which further simplifies the circuit of the Lighting connector 30, thereby further simplifying the manufacturing process and reducing the cost.
Fig. 5 shows a circuit configuration of a charge control chip U1. As shown in fig. 5, the charging control chip includes a VCC pin; ground pins GND; a DIO pin for connecting with the iphone DATA pin of the Lighting connector 30 and communicating with a mobile phone; POUT pin for driving peripheral MOS tube; a ROUT pin for connecting with an iphone POWER pin of the Lighting connector 30; a CC pin for connecting with LIP D + pin of the Lighting connector 30 and outputting CC voltage; a logic control unit 4 connected with the POUT pin; a communication signal processing unit 5 connected between the logic control unit 4 and the DIO pin; a charging overvoltage detection unit 7 and a load short circuit detection unit 6 which are connected between the logic control unit 4 and the ROUT pin; a power supply unit 1 connected between the logic control unit 4 and the VCC pin; the low-voltage reset detection unit 2 is connected between the power supply unit 1 and the logic control unit 4 and is used for triggering the logic control unit 4 to reset when the voltage is lower than a preset value; an oscillation unit 3 providing a clock signal to the logic control unit 4. The charging control chip further comprises a VDD pin which is connected with the power supply unit 1 and used for outputting stable voltage.
As can be seen from the above, the present invention reduces the number of the core wires of the cable 20 of the IPHONE C91 fast-charging data line by grounding the CC pin of the TYPEC connector 10 with the third resistor R3 and connecting the LIP D + pin of the Lighting connector 30 with the CC voltage simulation unit 50, so that the material and production costs are greatly reduced, and the product is more competitive in the market. And a first resistor R1 and a second resistor R2 which are connected in series are further adopted as the CC voltage simulation unit 50, so that the cost is lower. Further, after the first resistor R1 and the second resistor R2 are integrated in the charging control chip U1, the circuit is simplified, and the material cost and the production cost are lower.
The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for the purpose of helping those skilled in the art understand the present invention, and is not to be construed as limiting the scope of the present invention. Various modifications, equivalent changes, etc. made by those skilled in the art under the spirit of the present invention shall be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a no CC line IPHONE C91 fill data line soon, includes cable (20), TYPEC connector (10) of the one end of cable (20) and Lighting connector (30) of the other end of cable (20), its characterized in that: the inside of cable (20) comprises four lines of D + line, D-line, power cord and ground wire, the CC foot of TYPEC connector (10) is through third resistance (R3) ground connection, LIP D + foot of Lighting connector (30) is connected with CC voltage analog unit (50).
2. The IPHONE C91 fast charging data line of claim 1, wherein the CC voltage simulation unit (50) is a voltage divider, one end of the voltage divider is connected to the gold finger case of the Lighting connector (30) or to ground, and the other end of the voltage divider is connected to the IPHONE POWER pin of the Lighting connector (30).
3. The IPHONE C91 fast-charging data line without a CC wire of claim 2, wherein the voltage division circuit is formed by a first resistor (R1) and a second resistor (R2) connected in series.
4. The IPHONE C91 fast charging data line of claim 3, wherein the first resistor (R1) and the second resistor (R2) are integrated in a charging control chip (U1) inside the Lighting connector (30).
5. The IPHONE C91 fast charging data line of claim 4, wherein the charging control chip (U1) comprises:
a VCC pin;
ground feet;
the DIO pin is used for connecting with an iphone DATA pin of the Lighting connector (30) and communicating with a mobile phone;
POUT pin for driving peripheral MOS tube;
a ROUT pin for connecting with the iphone POWER pin;
a CC pin which is connected with the LIP D + pin and outputs CC voltage;
a logic control unit (4) connected with the POUT pin;
a communication signal processing unit (5) connected between the logic control unit (4) and the DIO pin;
a charging overvoltage detection unit (7) and a load short circuit detection unit (6) which are connected between the logic control unit (4) and the ROUT pin;
a power supply unit (1) connected between the logic control unit (4) and the VCC pin;
the low-voltage reset detection unit (2) is connected between the power supply unit (1) and the logic control unit (4) and is used for triggering the logic control unit (4) to reset when the voltage is lower than a preset value; and
an oscillation unit (3) providing a clock signal to the logic control unit (4).
6. The IPHONE C91 fast charging data line without CC line of claim 5, wherein the charging control chip (U1) further comprises a VDD pin connected to the power supply unit (1) for outputting a regulated voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512844.8U CN213660821U (en) | 2020-11-03 | 2020-11-03 | IPHONE C91 fast-charging data line without CC line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512844.8U CN213660821U (en) | 2020-11-03 | 2020-11-03 | IPHONE C91 fast-charging data line without CC line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213660821U true CN213660821U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022512844.8U Active CN213660821U (en) | 2020-11-03 | 2020-11-03 | IPHONE C91 fast-charging data line without CC line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213660821U (en) |
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2020
- 2020-11-03 CN CN202022512844.8U patent/CN213660821U/en active Active
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