CN104101808A - Charger detecting system and detecting method thereof and mobile terminal - Google Patents
Charger detecting system and detecting method thereof and mobile terminal Download PDFInfo
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- CN104101808A CN104101808A CN201410351949.6A CN201410351949A CN104101808A CN 104101808 A CN104101808 A CN 104101808A CN 201410351949 A CN201410351949 A CN 201410351949A CN 104101808 A CN104101808 A CN 104101808A
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Abstract
The invention discloses a charger detecting system and a detecting method thereof and a mobile terminal. The charger detecting system comprises a charger and the mobile terminal. The charger comprises a recognition resistor, a charging output interface for being connected with the mobile terminal, a charging output module for outputting charging voltage and charging current, wherein the charging output interface comprises a VBUS end, a DP end, a DN end and a GND end. The mobile terminal comprises a charging input interface for being connected with the charging output interface, a base band controller for calculating a resistance value between the DP end and the DN end of the charging output interface and starting a charging function when the calculated resistance value is in a preset resistance value range. The system calculates the resistance value between the DP end and the DN end of the charging output interface through the mobile terminal, achieves charging of the mobile terminal through a non-standard equipped charger and avoids various charging safety problems caused by charging through non-standard equipped mobile terminals.
Description
Technical field
The present invention relates to electronic product, particularly a kind of charger detection system and detection method thereof and mobile terminal.
Background technology
Charger is as the most frequently used annex of mobile terminal, must be reliable and secure, but because standard configuration charger circuit simplicity of design and the charging inlet of most of mobile terminal can be general, cause user in routine use process, can use non-standard configuration charger to charge to mobile terminal.Owing to generally having the difference on electric parameter between non-standard configuration charger and standard configuration charger, easily produce and charge extremely, occur damaging the situations such as charger, mobile terminal.
At present, the leader of mobile phone industry is devoted to study its mobile terminal can only use standard configuration charger, and the mobile terminal product that for example Apple produces can only be used the charging of apple charger.Do so on the one hand and can set up brand authority; The standard configuration charger that on the other hand also can force users uses mobile terminal, greatly reduces due to the various charging safety problems of using non-standard configuration charger to cause.
Thereby prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of charger detection system and detection method thereof and mobile terminal, can prevent that non-standard configuration charger charges to mobile terminal.
In order to achieve the above object, the present invention has taked following technical scheme:
A charger detection system, whether it comprises charger and is the mobile terminal of standard configuration charger for detection of charger;
Described charger comprises:
Identification resistance;
Charging output interface, for connecting mobile terminal; Described charging output interface comprises VBUS end, DP end, DN end and GND end;
Charging output module, for exporting charging voltage and charging current;
The VBUS end of described charging output interface connects charging output module, and the DN that the DP end of described charging output interface connects charging output interface by described identification resistance holds;
Described mobile terminal comprises:
Charging input interface, for connecting described charging output interface;
Baseband controller for calculating the DP end of charging output interface and the resistance between DN end, and is opened charge function when the resistance of calculating is in default Standard resistance range;
The VBUS end of described charging input interface, DP end and DN end are all connected baseband controller.
In described charger detection system, described baseband controller comprises:
The first resistance;
The second resistance;
Charger connection detection module, for detection of the connection status of charger and charging input interface;
Reference voltage output module, for exporting a constant reference voltage;
Voltage detection module, for obtaining the DP end of charging input interface and the voltage on DN end;
Charger detection module, for calculate the resistance of the DP end of charging output interface between holding with DN according to the resistance of voltage, the first resistance and the second resistance on the DP end of described charging input interface and DN end and described reference voltage, and judge that this resistance is whether in presetting Standard resistance range; If so, open the charge function of mobile terminal; If not, do not open charge function;
Charge control module, for controlling the open and close of charge function;
The input end of described charger connection detection module connects the VBUS end of charging input end mouth, the output terminal of charger connection detection module connects the input end of reference voltage output module, the output terminal of described reference voltage output module connects the first end of voltage detection module by described the first resistance and the DP of charging input end mouth holds, the second end of described voltage detection module connects the DN end of charging input end mouth, also by the second resistance eutral grounding, the 3rd end of described voltage detection module is connected charging input end mouth successively with charge control module VBUS by charger detection module holds.
In described charger detection system, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DP end that wherein, Vp is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
In described charger detection system, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DN end that wherein, Vn is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
In described charger detection system, described the first resistance is identical with the resistance of the second resistance.
A detection method that adopts above-mentioned charger detection system, it comprises:
When A, mobile terminal detect the VBUS end generation rising edge interruption of charging input interface, judgement charger is connected charging with mobile terminal;
B, mobile terminal calculate the DP end of charging output interface and the resistance between DN end, and when the resistance of calculating is in default Standard resistance range, open charge function.
In described detection method, described step B specifically comprises:
B1, when charger is connected with charging input interface, by reference voltage output module, export a constant reference voltage;
B2, by voltage detection module, obtain the DP end of charging input interface and the voltage on DN end;
The resistance of the DP end that B3, charger detection module calculate charging output interface according to the resistance of voltage, the first resistance and the second resistance on the DP end of described charging input interface and DN end and described reference voltage between holding with DN, and judge that this resistance is whether in presetting Standard resistance range; If so, open the charge function of mobile terminal; If not, do not open charge function.
In described detection method, in step B3, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DP end that wherein, Vp is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
In described detection method, in step B3, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DN end that wherein, Vn is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
A mobile terminal, it comprises:
Charging input interface, for connecting described charging output interface;
Baseband controller for calculating the resistance between DP end and the DN end of charging output interface of charger, and is opened charge function when the resistance of calculating is being preset in Standard resistance range;
The VBUS end of described charging input interface, DP end and DN end are all connected baseband controller.
Compared to prior art, charger detection system provided by the invention and detection method thereof and mobile terminal, by mobile terminal, calculate the DP end of charging output interface and the resistance between DN end, and when the resistance of calculating is in default Standard resistance range, open charge function, having realized non-standard configuration charger cannot charge to mobile terminal, avoided the various charging safety problems of using the charging of non-standard configuration mobile terminal to cause, made charging more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of charger in charger detection system of the present invention.
Fig. 2 is the structural representation of mobile terminal in charger detection system of the present invention.
Fig. 3 is the process flow diagram of the detection method of charger detection system of the present invention.
Embodiment
The invention provides a kind of charger detection system and detection method thereof and mobile terminal, for making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structured flowchart of charger in charger detection system of the present invention.Fig. 2 is the structural representation of mobile terminal in charger detection system of the present invention.Whether charger detection system provided by the invention comprises charger and is the mobile terminal of standard configuration charger for detection of charger.
Described charger comprises: identification resistance R chg, charging output module 100 and charging output interface 200, described charging output interface 200 comprises VBUS end, DP end, DN end and GND end.The VBUS end of described charging output interface 200 connects charging output module 100, and the DN that the DP end of described charging output interface 200 connects charging output interface 200 by described identification resistance R chg holds.Described charging output interface 200 is for connecting mobile terminal, and charging output module 100, for when charger connects power supply, is exported charging voltage and charging current.Wherein, this charging voltage is 5V.
Described mobile terminal comprises charging input interface 300 and baseband controller 400, and described charging input interface 300 is for connecting described charging output interface 200, and its VBUS end, DP end and DN end are all connected baseband controller 400.
Wherein, described charging output interface 200 and charging input interface 300 are USB interface, at charging output interface 200 and charging input interface 300, the VBUS end on charging output interface 200, DP end, DN end and GND end are electrically connected to VBUS end, DP end, DN end and GND end on charging input interface 300 respectively.When described baseband controller 400 inserts for charger, calculate the DP end of charging output interface 200 and the resistance between DN end, and when the resistance of calculating is in default Standard resistance range, open charge function.
During concrete enforcement, described baseband controller 400 comprises: the first resistance R p, the second resistance R n, charger connection detection module 410, reference voltage output module 420, voltage detection module 430, charger detection module 440 and charge control module 450.Described the first resistance R p and the second resistance R n are current-limiting resistance, prevent that the electric current of reference voltage output module 420 and voltage detection module 430 is excessive, even short circuit, and for the ease of calculating, described the first resistance R p is identical with the resistance of the second resistance R n.
The input end of described charger connection detection module 410 connects the VBUS end of charging input end mouth, the output terminal of charger connection detection module 410 connects the input end of reference voltage output module 420, for when the interruption of VBUS end generation rising edge being detected, judgement mobile terminal is connected with charger.
Described reference voltage output module 420 is for exporting a constant reference voltage Vref, its output terminal connects the first end of voltage detection module 430 by described the first resistance R p and the DP of charging input end mouth holds, the DN that the second end of described voltage detection module 430 connects charging input end mouth holds, also passes through the second resistance R n ground connection, and the 3rd end of described voltage detection module 430 is held with the VBUS that charge control module 450 is connected charging input end mouth by charger detection module 440 successively.
Described voltage detection module 430 is for obtaining the DP end of charging input interface 300 and the voltage on DN end, and charge control module 450 is for controlling the open and close of charge function.Described reference voltage output module 420 output reference voltage Vref are the DP end to charging input interface 300 through the first resistance R p, the DN end of charging input interface 300 is by the second resistance R n ground connection, charger detection module 440, by obtaining the DP end of charging input interface 300 and the voltage between DN end, just can calculate the resistance of the identification resistance R chg between the inner DP end of charger and DN end.
Particularly, described charger detection module 440 is for calculate the resistance of the DP end of charging output interface 200 between holding with DN according to the resistance of voltage, the first resistance R p and the second resistance R n on the DP end of described charging input interface 300 and DN end and described reference voltage Vref, and judges that this resistance is whether in presetting Standard resistance range; If so, open the charge function of mobile terminal, charging voltage and the charging current of charger output are charged to mobile terminal.If the resistance of calculating, not at default Standard resistance range, represents that charger is non-standard configuration charger, does not now open charge function.
In the present embodiment, described charger detection module 440 calculates the DP end of charging output interface 200 and the resistance between DN end by following formula:
Wherein, Vp is that the voltage of the DP end of charging input interface 300, resistance, the Vref that Rp is the first resistance R p are that reference voltage Vref, Rn are the resistance of the second resistance R n.
In other embodiment, described charger detection module 440 also can calculate the DP end of charging output interface 200 and the resistance between DN end by following formula:
Wherein, Vn is that the voltage of the DN end of charging input interface 300, resistance, the Vref that Rp is the first resistance R p are that reference voltage Vref, Rn are the resistance of the second resistance R n.
The present invention is the corresponding detection method that a kind of above-mentioned charger detection system is provided also, refers to Fig. 3, and it comprises:
When S100, mobile terminal detect the VBUS end generation rising edge interruption of charging input interface, judgement charger is connected charging with mobile terminal;
S200, mobile terminal calculate the DP end of charging output interface and the resistance between DN end, and when the resistance of calculating is in default Standard resistance range, open charge function.
If the resistance of calculating, not in default Standard resistance range, represents that the charger inserting is non-standard configuration charger, now do not open the charge function of mobile terminal, stop the non-standard configuration charger various charging safety problems that charging causes to mobile terminal.Described S200 specifically comprises: a, when charger is connected with charging input interface, exports a constant reference voltage by reference voltage output module; B, by voltage detection module, obtain the DP end of charging input interface and the voltage on DN end; The resistance of the DP end that c, charger detection module calculate charging output interface according to the resistance of voltage, the first resistance and the second resistance on the DP end of described charging input interface and DN end and described reference voltage between holding with DN, and judge that this resistance is whether in presetting Standard resistance range; If so, open the charge function of mobile terminal; If not, do not open charge function.
Wherein, in step c, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DP end that wherein, Vp is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
In step c, described charger detection module also can calculate the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DN end that wherein, Vn is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.The result of calculation of above-mentioned two formula is identical.
The present invention is also corresponding provides a kind of mobile terminal, and it comprises charging input interface and baseband controller, because the structure of this mobile terminal forms and working method have been described in detail above, repeats no more herein.
In sum, charger detection system provided by the invention and detection method thereof and mobile terminal, by mobile terminal, calculate the DP end of charging input interface and the resistance between DN end, and when the resistance of calculating is in default Standard resistance range, open charge function, having realized non-standard configuration charger cannot charge to mobile terminal, avoided the various charging safety problems of using the charging of non-standard configuration mobile terminal to cause, made charging more safe and reliable.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. whether a charger detection system, is characterized in that, comprise charger and be the mobile terminal of standard configuration charger for detection of charger;
Described charger comprises:
Identification resistance;
Charging output interface, for connecting mobile terminal; Described charging output interface comprises VBUS end, DP end, DN end and GND end;
Charging output module, for exporting charging voltage and charging current;
The VBUS end of described charging output interface connects charging output module, and the DN that the DP end of described charging output interface connects charging output interface by described identification resistance holds;
Described mobile terminal comprises:
Charging input interface, for connecting described charging output interface;
Baseband controller for calculating the DP end of charging output interface and the resistance between DN end, and is opened charge function when the resistance of calculating is in default Standard resistance range;
The VBUS end of described charging input interface, DP end and DN end are all connected baseband controller.
2. charger detection system according to claim 1, is characterized in that, described baseband controller comprises:
The first resistance;
The second resistance;
Charger connection detection module, for detection of the connection status of charger and charging input interface;
Reference voltage output module, for exporting a constant reference voltage;
Voltage detection module, for obtaining the DP end of charging input interface and the voltage on DN end;
Charger detection module, for calculate the resistance of the DP end of charging output interface between holding with DN according to the resistance of voltage, the first resistance and the second resistance on the DP end of described charging input interface and DN end and described reference voltage, and judge that this resistance is whether in presetting Standard resistance range; If so, open the charge function of mobile terminal; If not, do not open charge function;
Charge control module, for controlling the open and close of charge function;
The input end of described charger connection detection module connects the VBUS end of charging input end mouth, the output terminal of charger connection detection module connects the input end of reference voltage output module, the output terminal of described reference voltage output module connects the first end of voltage detection module by described the first resistance and the DP of charging input end mouth holds, the second end of described voltage detection module connects the DN end of charging input end mouth, also by the second resistance eutral grounding, the 3rd end of described voltage detection module is connected charging input end mouth successively with charge control module VBUS by charger detection module holds.
3. charger detection system according to claim 2, is characterized in that, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DP end that wherein, Vp is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
4. charger detection system according to claim 2, is characterized in that, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DN end that wherein, Vn is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
5. charger detection system according to claim 2, is characterized in that, described the first resistance is identical with the resistance of the second resistance.
6. a detection method that adopts charger detection system described in claim 1, is characterized in that, comprising:
When A, mobile terminal detect the VBUS end generation rising edge interruption of charging input interface, judgement charger is connected charging with mobile terminal;
B, mobile terminal calculate the DP end of charging output interface and the resistance between DN end, and when the resistance of calculating is in default Standard resistance range, open charge function.
7. detection method according to claim 6, is characterized in that, described step B specifically comprises:
B1, when charger is connected with charging input interface, by reference voltage output module, export a constant reference voltage;
B2, by voltage detection module, obtain the DP end of charging input interface and the voltage on DN end;
The resistance of the DP end that B3, charger detection module calculate charging output interface according to the resistance of voltage, the first resistance and the second resistance on the DP end of described charging input interface and DN end and described reference voltage between holding with DN, and judge that this resistance is whether in presetting Standard resistance range; If so, open the charge function of mobile terminal; If not, do not open charge function.
8. detection method according to claim 7, is characterized in that, in step B3, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DP end that wherein, Vp is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
9. detection method according to claim 7, is characterized in that, in step B3, described charger detection module calculates the DP end of charging output interface and the resistance between DN end by following formula:
The voltage of the DN end that wherein, Vn is charging input interface, resistance, the Vref that Rp is the first resistance are that reference voltage, Rn are the resistance of the second resistance.
10. a mobile terminal, is characterized in that, comprising:
Charging input interface, for connecting described charging output interface;
Baseband controller for calculating the resistance between DP end and the DN end of charging output interface of charger, and is opened charge function when the resistance of calculating is being preset in Standard resistance range;
The VBUS end of described charging input interface, DP end and DN end are all connected baseband controller.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330638A (en) * | 2014-11-19 | 2015-02-04 | 惠州Tcl移动通信有限公司 | Identifying method and system for original charging cable |
| CN105305565A (en) * | 2015-11-26 | 2016-02-03 | 英特格灵芯片(天津)有限公司 | Charging protection and recognition circuit and to-be-charged equipment |
| CN105429217A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | System and method for identifying charger |
| CN106546822A (en) * | 2016-10-26 | 2017-03-29 | 珠海市魅族科技有限公司 | The impedance detection method of the charging circuit of load, chip and mobile terminal |
| CN106712122A (en) * | 2015-07-17 | 2017-05-24 | 鸿富锦精密工业(武汉)有限公司 | Charging equipment, charging system and charging method |
| CN106786848A (en) * | 2016-11-30 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | Charging wire insert state suggestion device and charging wire insert state reminding method |
| CN108226671A (en) * | 2017-12-14 | 2018-06-29 | Tcl移动通信科技（宁波）有限公司 | A kind of charging interface detection circuit and its system, method and mobile terminal |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925257A (en) * | 2005-08-31 | 2007-03-07 | 索尼株式会社 | Dedicated power supply apparatus, terminal. power supply system, and power supply method |
| CN101674366A (en) * | 2009-09-19 | 2010-03-17 | 惠州Tcl移动通信有限公司 | Mobile terminal USB, or charger inserting identification method and identification device thereof |
| CN101702146A (en) * | 2009-11-02 | 2010-05-05 | 北京中星微电子有限公司 | Method and unit for distinguishing charger and data line of universal serial bus |
| US20110276734A1 (en) * | 2009-11-03 | 2011-11-10 | Kenneth Helfrich | USB Dedicated Charger Identification Circuit |
| US20110285377A1 (en) * | 2010-05-20 | 2011-11-24 | Mstar Semiconductor, Inc. | Data Transmission Interface and Electronic Device Using the Same |
| CN202268816U (en) * | 2010-04-23 | 2012-06-06 | 苹果公司 | Power converter and electronic device |
| WO2013006753A1 (en) * | 2011-07-07 | 2013-01-10 | Voxx International Corporation | Current selectable usb charger |
| CN103064489A (en) * | 2011-10-21 | 2013-04-24 | 华为终端有限公司 | Method for selecting internal circuit according to conditions of universal serial bus (USB) interface and terminal |
| CN103311986A (en) * | 2013-06-03 | 2013-09-18 | Tcl通讯（宁波）有限公司 | Charger, mobile terminal, charger detection system and detection method thereof |
| CN103545889A (en) * | 2013-10-25 | 2014-01-29 | Tcl通讯（宁波）有限公司 | USB charging system, charger, mobile terminal and charging control method |
-
2014
- 2014-07-23 CN CN201410351949.6A patent/CN104101808B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925257A (en) * | 2005-08-31 | 2007-03-07 | 索尼株式会社 | Dedicated power supply apparatus, terminal. power supply system, and power supply method |
| CN101674366A (en) * | 2009-09-19 | 2010-03-17 | 惠州Tcl移动通信有限公司 | Mobile terminal USB, or charger inserting identification method and identification device thereof |
| CN101702146A (en) * | 2009-11-02 | 2010-05-05 | 北京中星微电子有限公司 | Method and unit for distinguishing charger and data line of universal serial bus |
| US20110276734A1 (en) * | 2009-11-03 | 2011-11-10 | Kenneth Helfrich | USB Dedicated Charger Identification Circuit |
| CN202268816U (en) * | 2010-04-23 | 2012-06-06 | 苹果公司 | Power converter and electronic device |
| US20110285377A1 (en) * | 2010-05-20 | 2011-11-24 | Mstar Semiconductor, Inc. | Data Transmission Interface and Electronic Device Using the Same |
| WO2013006753A1 (en) * | 2011-07-07 | 2013-01-10 | Voxx International Corporation | Current selectable usb charger |
| CN103064489A (en) * | 2011-10-21 | 2013-04-24 | 华为终端有限公司 | Method for selecting internal circuit according to conditions of universal serial bus (USB) interface and terminal |
| CN103311986A (en) * | 2013-06-03 | 2013-09-18 | Tcl通讯（宁波）有限公司 | Charger, mobile terminal, charger detection system and detection method thereof |
| CN103545889A (en) * | 2013-10-25 | 2014-01-29 | Tcl通讯（宁波）有限公司 | USB charging system, charger, mobile terminal and charging control method |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330638A (en) * | 2014-11-19 | 2015-02-04 | 惠州Tcl移动通信有限公司 | Identifying method and system for original charging cable |
| CN104330638B (en) * | 2014-11-19 | 2017-09-05 | 惠州Tcl移动通信有限公司 | A kind of recognition methods of original-pack charging wire and system |
| CN106712122A (en) * | 2015-07-17 | 2017-05-24 | 鸿富锦精密工业(武汉)有限公司 | Charging equipment, charging system and charging method |
| CN105305565A (en) * | 2015-11-26 | 2016-02-03 | 英特格灵芯片(天津)有限公司 | Charging protection and recognition circuit and to-be-charged equipment |
| CN105305565B (en) * | 2015-11-26 | 2018-02-23 | 英特格灵芯片(天津)有限公司 | A kind of charge protection and identification circuit and charging equipment |
| CN105429217A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | System and method for identifying charger |
| CN105429217B (en) * | 2015-12-08 | 2018-05-29 | 深圳天珑无线科技有限公司 | A kind of method for identifying the system of charger and its identifying charger |
| CN106546822A (en) * | 2016-10-26 | 2017-03-29 | 珠海市魅族科技有限公司 | The impedance detection method of the charging circuit of load, chip and mobile terminal |
| CN106546822B (en) * | 2016-10-26 | 2019-04-05 | 珠海市魅族科技有限公司 | Impedance detection method, chip and the mobile terminal of the charging circuit of load |
| CN106786848A (en) * | 2016-11-30 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | Charging wire insert state suggestion device and charging wire insert state reminding method |
| CN108226671A (en) * | 2017-12-14 | 2018-06-29 | Tcl移动通信科技（宁波）有限公司 | A kind of charging interface detection circuit and its system, method and mobile terminal |
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