CN105429213A - Mobile terminal, system and method for adjusting charging current of mobile terminal - Google Patents
Mobile terminal, system and method for adjusting charging current of mobile terminal Download PDFInfo
- Publication number
- CN105429213A CN105429213A CN201510862956.7A CN201510862956A CN105429213A CN 105429213 A CN105429213 A CN 105429213A CN 201510862956 A CN201510862956 A CN 201510862956A CN 105429213 A CN105429213 A CN 105429213A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- current
- charging current
- charger
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention belongs to the technical field of charging of mobile terminals, and provides a mobile terminal, a system and a method for adjusting a charging current of the mobile terminal. The system comprises a charge interface, a power triode, a battery holder, a power management unit and a baseband processor. By the technology disclosed by the invention, an ordinary charger is used; the mobile terminal can automatically adjust the charging current according to the differential pressure between a collector and an emitter of the power triode under the premise of meeting the maximal power consumption permitted by the power triode in a charging circuit of the mobile terminal; and the method provided by the invention is low in cost and can achieve safe and efficient charging.
Description
Technical field
The invention belongs to mobile terminal charging technique field, particularly relate to system, the method for a kind of mobile terminal and charging current adjustment thereof.
Background technology
Along with development and the maturation of the communication technology, mobile terminal is day by day universal.In the charging process of low and middle-end mobile terminal, basic what adopt is the mode of this linear-charging of power triode, and compared to the switched charge mode of charging IC, the advantage of this linear-charging of power triode is that circuit is simple, and cost is low; Shortcoming is that efficiency is not high, and the efficiency of loss converts heat energy to, causes mobile terminal overheated.
The interface unification substantially of the charger of current mobile terminal, but charger is of a great variety.Some is high-voltage charger, and output voltage can regulate; Some is the charger of self performance less stable, it is larger that output voltage may depart from normal value, use this type of charger to when adopting the mobile terminal of this linear-charging of power triode to charge user, charger output voltage is too low, may cause charging slowly in charging process, the charging interval is long; More fatal, when output voltage is too high, the even whole mobile terminal of pliotron may be caused in charging process to transship cause thermal damage, the repair rate of mobile terminal is raised.
Adopt the mode of this linear-charging of power triode, the efficiency of charging follows the pressure reduction of charger output voltage and cell voltage to be inversely proportional to, optimum charging current can adjust size of current according to the pressure reduction of charger output voltage and cell voltage, but adopt now the mobile terminal of this charging circuit of pliotron, charging current is constant substantially, can not adjust, like this when the pressure reduction on pliotron is excessive, pliotron can face and transship the risk of cause thermal damage, when the pressure reduction on pliotron is too small, again can be too small because of charging current, cause the mobile terminal charging interval long.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method and system regulating mobile terminal charging current, the charging current of mobile terminal can be regulated according to the pressure reduction of the output voltage of charger and rechargeable battery voltage, thus the excessive pliotron that causes of pressure reduction transshipped cause thermal damage, the too small problem causing the charging interval oversize of pressure reduction when solving charging.
The present invention is achieved in that a kind of system regulating mobile terminal charging current, comprise charging inlet, pliotron, for connecting the battery tray of rechargeable battery, Power Management Unit and baseband processor;
Described charging inlet, for connecting outside charger, makes charger be charged to mobile terminal by described charging inlet;
The base stage of described pliotron connects described Power Management Unit, and collector electrode connects described battery tray, and emitter connects described charging inlet;
Described Power Management Unit for detecting the output voltage of described charger and described rechargeable battery voltage, and is transferred to described baseband processor testing result;
Described baseband processor is used for calculating the output voltage of described charger and the pressure reduction of described rechargeable battery voltage according to described testing result, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, and described control signal is sent to described Power Management Unit, realized the adjustment of charging current by controlling described pliotron base current by described Power Management Unit.
Further, the system of described adjustment mobile terminal charging current also comprises a current sampling resistor, and the collector electrode of described triode is connected with battery tray by described current sampling resistor;
Described Power Management Unit specifically for the voltage that detects the output voltage of described charger, described rechargeable battery voltage and described current sampling resistor two ends, and transfers to described baseband processor testing result;
Described baseband processor specifically for: according to detection the output voltage of described charger and the testing result of described rechargeable battery voltage calculate the output voltage of described charger and the pressure reduction of described rechargeable battery voltage, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, and described control signal is sent to described Power Management Unit, charging current is regulated by controlling described pliotron base current by described Power Management Unit, then according to the detection testing result of described current sampling resistor both end voltage and the resistance of described current sampling resistor, calculate actual charging current, and the charging current corresponding with default pressure reduction compares, then comparative result produces the control signal carrying Current adjustment amplitude accordingly, then described control signal is sent to described Power Management Unit, charging current is regulated by controlling described pliotron base current by described Power Management Unit, repeatedly detect described current sampling resistor both end voltage and regulate described actual charge current, until described actual charge current reaches the charging current value corresponding with default pressure reduction.
Further, described Power Management Unit is built in described baseband processor.
Present invention also offers a kind of mobile terminal, comprise the system that regulates mobile terminal charging current described above.
Present invention also offers a kind of method regulating mobile terminal charging current, comprise the following steps:
(1) whether detection has charger to insert;
(2) if detected, charger inserts, and detect the output voltage of described charger and described rechargeable battery voltage further, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly;
(3) according to the corresponding relation of described pressure extent and default pressure reduction and charging current, mobile terminal is adjusted to and charges under corresponding charging current.
Further, described step (1), (2), (3) all perform under the off-mode of mobile terminal communication system closedown; Between step (1) and step (2), also comprise the steps: that mobile terminal enters AP starting up flow process, described AP starting up flow process is the flow process only starting Mobile terminal charging system;
Described step (3) is specially: according to the corresponding relation of described pressure extent and default pressure reduction and charging current, under described off-mode, start Mobile terminal charging system, mobile terminal is adjusted to and charges under corresponding charging current.
Further, described step (1), (2), (3) all perform under the open state of mobile terminal;
Described step (3) is specially: according to the corresponding relation of described pressure extent and default pressure reduction and charging current, directly start Mobile terminal charging system, be adjusted to by mobile terminal and charge under corresponding charging current.
Further, perform in the process that described step (3) is charged in pulse constant current.
Further, described step (2) is specially:
If detected, charger inserts, enter at mobile terminal further in the process of pulse constant current charging, the output voltage of charger and described rechargeable battery voltage described in the gap detection of each pulse current charge, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly.
Further, described step (2) is specially:
If detected, charger inserts, enter at mobile terminal further in the process of pulse constant current charging, the output voltage of charger and described rechargeable battery voltage described in the gap repeated detection of each pulse current charge, and testing result repeatedly calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly, and using magnitude of pressure differential that the average of the multiple pressure reduction calculated detects as this time.
The present invention compared with prior art, beneficial effect is: adopt technology of the present invention, use common charger, under the prerequisite meeting the maximum power dissipation that the power triode in mobile terminal charging circuit allows, automatically charging current is regulated according to the output voltage of charger and the pressure reduction of rechargeable battery voltage, when low cost, can realize charging safely and efficiently.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the adjustment mobile terminal charging current system that one embodiment of the invention provides.
Fig. 2 is the structure principle chart of the adjustment mobile terminal charging current system that another embodiment of the present invention provides.
Fig. 3 is the flow chart of the adjustment mobile terminal charging current method that the embodiment of the present invention provides.
Fig. 4 be the corresponding relation of pressure reduction and the charging current preset that the embodiment of the present invention provides contrast figure.
Fig. 5 be the embodiment of the present invention provide under open state, regulate the flow chart of mobile terminal charging current method.
Fig. 6 is that the embodiment of the present invention provides in the power-offstate, regulates the flow chart of mobile terminal charging current method.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of system regulating mobile terminal charging current provided by the invention, comprises charging inlet 1, pliotron 2, battery tray 3, baseband processor 4, Power Management Unit 41, master controller 42 and current sampling resistor 5.
Charging inlet 1, for connecting outside charger, makes charger be charged to mobile terminal by described charging inlet 1.
The base stage of pliotron 2 connects the Power Management Unit 41 in described baseband processor 4; Collector electrode is connected with the Power Management Unit 41 in described baseband processor 4 with described battery tray 3 respectively, and emitter is connected with the Power Management Unit 41 in described baseband processor 4 with described charging inlet 1 respectively.Pliotron 2, for controlling charging current, uses the positive-negative-positive pliotron that TSOP-6 encapsulates in the present invention, also can adopt the large power triode of other encapsulation such as PDFN3x2-8L.
Battery tray 3 is for the rechargeable battery of holding movable terminal.
Power Management Unit 41 in baseband processor 4 for 1. locating to detect the output voltage of described charger and 2. locating to detect described rechargeable battery voltage, and is transferred to the result detected in the master controller 42 in baseband processor 4.
Master controller 42 in baseband processor 4 is for the pressure reduction of the output voltage and described rechargeable battery voltage that calculate described charger according to described testing result, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, and described control signal is sent to Power Management Unit 41, realized the adjustment of charging current by controlling described pliotron base current by Power Management Unit 41.
In the above-described embodiments, the system of mobile terminal charging current is regulated also can to comprise a current sampling resistor 5 further; Current sampling resistor 5 is that a power ratio is comparatively large and the precision resistance that resistance is very little, and resistance is generally at 0.1 below Ω, and the collector electrode of triode 2 is connected with battery tray 3 by current sampling resistor 5;
Now, Power Management Unit 41 specifically for: 1. locate to detect described charger output voltage, 2. and 3. locate the voltage at current sampling resistor 5 two ends 2. locating to detect described rechargeable battery voltage and, and testing result is transferred in the master controller 42 in baseband processor 4;
Master controller 42 in Base-Band Processing utensil 4 specifically for: according to detection the output voltage of described charger and the testing result of described rechargeable battery voltage calculate the output voltage of described charger and the pressure reduction of described rechargeable battery voltage, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, and described control signal is sent to Power Management Unit 41, charging current is regulated by the base current controlling pliotron 2 by Power Management Unit 41, then according to the resistance of the testing result and current sampling resistor 5 that detect current sampling resistor 5 both end voltage, calculate actual charging current, and the charging current corresponding with default pressure reduction compares, and comparative result produces the control signal carrying Current adjustment amplitude accordingly, and described control signal is sent to Power Management Unit 41, charging current is regulated by controlling pliotron 2 base current by Power Management Unit 41, repeatedly detect current sampling resistor 5 both end voltage and regulate described actual charge current, until described actual charge current reaches the charging current value corresponding with default pressure reduction.
In the above-described embodiments, Power Management Unit 41 is built in baseband processor 4.In this case, because circuit is too concentrated, mobile terminal is easily caused to damage because of overheated.Therefore, as an alternative embodiment of the invention, as shown in Figure 2, Power Management Unit 41 also can be independent of one of baseband processor 4 independent IC unit.The overall process of the mobile terminal charging in the present invention, temporally roughly can be divided into three phases:
1. pre-charging stage, the process of pre-charging stage is very short, and the mode adopting trickle charge, electric current is very little more.
2. constant-current charging phase.
3 constant voltage charging phase, constant voltage charging phase is when cell voltage reaches certain value, and now charging current slowly diminishes on the basis of the charging current value of described systemic presupposition, until charging complete.
The charging current in pre-charging stage and these two stages of constant voltage charging phase is all relatively little, so substantially need not control.The method of the adjustment mobile terminal charging current described in this patent refers to the electric current regulated in second stage constant-current charging phase, realizes charging safely and efficiently.
As shown in Figure 3, be a kind of flow chart regulating mobile terminal charging current method provided by the invention, comprise the following steps:
(1) whether detection has charger to insert;
(2) if detected, charger inserts, and detect the output voltage of described charger and described rechargeable battery voltage further, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly;
(3) according to the corresponding relation of described pressure extent and default pressure reduction and charging current, mobile terminal is adjusted to and charges under corresponding charging current.
Process described in above-mentioned steps (3), needs the output voltage by presetting described charger and the pressure extent of described rechargeable battery voltage and the corresponding relation of charging current to realize, as shown in Figure 4.Such as, described pressure reduction can be divided into three intervals by us, the corresponding charging current of pressure reduction in each interval, when described pressure reduction fall into one interval time, as interval A, B, C, described baseband processor will calculate the output voltage of described charger and the pressure reduction of described rechargeable battery voltage according to described testing result, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, such as pressure reduction is fallen into the situation of interval A, control signal can make charging current adjust to a, and described control signal is sent to described Power Management Unit, by controlling described pliotron base current, charging current is adjusted to corresponding value by described Power Management Unit.Here be noted that in actual applications, the scope between described flow-differential zone can make corresponding adjustment according to the needs of practical application; Less interval can be adjusted to as required, also can be subdivided into more interval.
The charging process of above-mentioned steps (3) adopts the mode of pulse constant current charging.When adopting this charging modes, described step (2) is specially: if detected, charger inserts, enter at mobile terminal further in the process of pulse constant current charging, at output voltage and the described rechargeable battery voltage of the gap detection charger of each pulse current charge, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly.
In the testing process of reality, in order to increase the precision of detection, reduce error, can average after the detection repeatedly output voltage of described charger and the pressure reduction of described rechargeable battery voltage, described step (2) is specially:
If detected, charger inserts, enter at mobile terminal further in the process of pulse constant current charging, the output voltage of charger and described rechargeable battery voltage described in the gap repeated detection of each pulse current charge, and testing result repeatedly calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly, and using magnitude of pressure differential that the average of the multiple pressure reduction calculated detects as this time.
As shown in Figure 5, when mobile terminal inserts charger under normal boot-strap state, be divided into three intervals that the method regulating mobile terminal charging current is described for the pressure reduction of the output voltage of charger and rechargeable battery voltage, the method comprises the following steps:
(1) whether detection has charger to insert;
(2) if detected, charger inserts, and detect the output voltage of described charger and described rechargeable battery voltage further, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly;
(3) judge whether the described pressure reduction calculated is less than A or is greater than B.
(4) if not, then mobile terminal is adjusted to and charges under the middle-grade charging current M of described systemic presupposition.
(5) if so, then judge whether the described pressure reduction detected is less than A.
(6) if not, then mobile terminal is adjusted to and charges under the low-grade charging current L of described systemic presupposition.
(7) if so, then mobile terminal is adjusted to and charges under the high-grade charging current H of described systemic presupposition.
(8) judge whether charging has entered constant voltage charge process.
(9) if so, then charging current slowly diminishes, until charging complete.
(10) if not, then get back to step (2) to continue to detect the output voltage of described charger and described rechargeable battery voltage.
As shown in Figure 6, be divided into three intervals for pressure reduction equally, when mobile terminal inserts charger in the power-offstate, step need be added between step (1) and step (2): mobile terminal enters AP starting up flow process.
A and B described in above-mentioned steps is the output voltage of described charger and the pressure reduction of described rechargeable battery voltage, and A is less than B.
The charging current of the systemic presupposition described in above-mentioned steps is divided into third gear: high-grade charging current H, middle-grade charging current M and low-grade charging current L.
AP starting up flow process described in above-mentioned steps is the flow process only starting Mobile terminal charging system.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. regulate a system for mobile terminal charging current, it is characterized in that, comprise charging inlet, pliotron, for connecting the battery tray of rechargeable battery, Power Management Unit and baseband processor;
Described charging inlet, for connecting outside charger, makes charger be charged to mobile terminal by described charging inlet;
The base stage of described pliotron connects described Power Management Unit, and collector electrode connects described battery tray, and emitter connects described charging inlet;
Described Power Management Unit for detecting the output voltage of described charger and described rechargeable battery voltage, and is transferred to described baseband processor testing result;
Described baseband processor is used for calculating the output voltage of described charger and the pressure reduction of described rechargeable battery voltage according to described testing result, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, and described control signal is sent to described Power Management Unit, realized the adjustment of charging current by controlling described pliotron base current by described Power Management Unit.
2. the system regulating mobile terminal charging current as claimed in claim 1, it is characterized in that, the system of described adjustment mobile terminal charging current also comprises a current sampling resistor, and the collector electrode of described triode is connected with battery tray by described current sampling resistor;
Described Power Management Unit specifically for the voltage that detects the output voltage of described charger, described rechargeable battery voltage and described current sampling resistor two ends, and transfers to described baseband processor testing result;
Described baseband processor specifically for: according to detection the output voltage of described charger and the testing result of described rechargeable battery voltage calculate the output voltage of described charger and the pressure reduction of described rechargeable battery voltage, and pressure reduction produces the control signal that carries Current adjustment amplitude accordingly, and described control signal is sent to described Power Management Unit, charging current is regulated by controlling described pliotron base current by described Power Management Unit, then according to the detection testing result of described current sampling resistor both end voltage and the resistance of described current sampling resistor, calculate actual charging current, and the charging current corresponding with default pressure reduction compares, then comparative result produces the control signal carrying Current adjustment amplitude accordingly, then described control signal is sent to described Power Management Unit, charging current is regulated by controlling described pliotron base current by described Power Management Unit, repeatedly detect described current sampling resistor both end voltage and regulate described actual charge current, until described actual charge current reaches the charging current value corresponding with default pressure reduction.
3. the system regulating mobile terminal charging current as claimed in claim 1, it is characterized in that, described Power Management Unit is built in described baseband processor.
4. a mobile terminal, comprises the system just like the adjustment mobile terminal charging current described in any one of claims 1 to 3.
5. regulate a method for mobile terminal charging current, it is characterized in that, comprise the following steps:
(1) whether detection has charger to insert;
(2) if detected, charger inserts, and detect the output voltage of described charger and described rechargeable battery voltage further, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly;
(3) according to the corresponding relation of described pressure extent and default pressure reduction and charging current, mobile terminal is adjusted to and charges under corresponding charging current.
6. the method regulating mobile terminal charging current as claimed in claim 5, is characterized in that, described step (1), (2), (3) all perform under the off-mode of mobile terminal communication system closedown; Between step (1) and step (2), also comprise the steps: that mobile terminal enters AP starting up flow process, described AP starting up flow process is the flow process only starting Mobile terminal charging system;
Described step (3) is specially: according to the corresponding relation of described pressure extent and default pressure reduction and charging current, under described off-mode, start Mobile terminal charging system, mobile terminal is adjusted to and charges under corresponding charging current.
7. the method regulating mobile terminal charging current as claimed in claim 5, it is characterized in that, described step (1), (2), (3) all perform under the open state of mobile terminal;
Described step (3) is specially: according to the corresponding relation of described pressure extent and default pressure reduction and charging current, directly start Mobile terminal charging system, be adjusted to by mobile terminal and charge under corresponding charging current.
8. the as claimed in claim 5 method regulating mobile terminal charging current, is characterized in that, performs in the process that described step (3) is charged in pulse constant current.
9. the method regulating mobile terminal charging current as claimed in claim 8, it is characterized in that, described step (2) is specially:
If detected, charger inserts, enter at mobile terminal further in the process of pulse constant current charging, the output voltage of charger and described rechargeable battery voltage described in the gap detection of each pulse current charge, and testing result calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly.
10. the method regulating mobile terminal charging current as claimed in claim 9, it is characterized in that, described step (2) is specially:
If detected, charger inserts, enter at mobile terminal further in the process of pulse constant current charging, the output voltage of charger and described rechargeable battery voltage described in the gap repeated detection of each pulse current charge, and testing result repeatedly calculates the output voltage of described charger and the pressure reduction of described rechargeable battery voltage accordingly, and using magnitude of pressure differential that the average of the multiple pressure reduction calculated detects as this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862956.7A CN105429213B (en) | 2015-11-30 | 2015-11-30 | System, the method that a kind of mobile terminal and its charging current are adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510862956.7A CN105429213B (en) | 2015-11-30 | 2015-11-30 | System, the method that a kind of mobile terminal and its charging current are adjusted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105429213A true CN105429213A (en) | 2016-03-23 |
| CN105429213B CN105429213B (en) | 2019-01-18 |
Family
ID=55507226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862956.7A Active CN105429213B (en) | 2015-11-30 | 2015-11-30 | System, the method that a kind of mobile terminal and its charging current are adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105429213B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790360A (en) * | 2016-04-11 | 2016-07-20 | 联想(北京)有限公司 | Charging circuit, electronic device and information processing method |
| CN106786843A (en) * | 2016-11-24 | 2017-05-31 | 惠州Tcl移动通信有限公司 | The method of adjustment and system of a kind of charging current, electric terminal |
| WO2018028259A1 (en) * | 2016-08-09 | 2018-02-15 | 中兴通讯股份有限公司 | Terminal charging device and method |
| WO2020097918A1 (en) * | 2018-11-16 | 2020-05-22 | 深圳市欢太科技有限公司 | Method and device for adjusting charge current, and terminal and computer-readable storage medium |
| CN116699296A (en) * | 2023-08-08 | 2023-09-05 | 辰芯半导体（深圳）有限公司 | Load detection circuit and electronic device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039036A (en) * | 2006-03-15 | 2007-09-19 | 大唐移动通信设备有限公司 | Method and circuit for charging the overdischarging lithium battery by mobile terminal |
| US20090085528A1 (en) * | 2006-04-20 | 2009-04-02 | Hironori Yamada | Charging circuit and its charge method |
| CN101924383A (en) * | 2010-08-17 | 2010-12-22 | 惠州Tcl移动通信有限公司 | Mobile terminal of automatically setting charging current and implementation method thereof |
| CN101989749A (en) * | 2009-08-04 | 2011-03-23 | 联芯科技有限公司 | Charging device and charging method |
| CN102208702A (en) * | 2011-05-06 | 2011-10-05 | 惠州Tcl移动通信有限公司 | Battery charging method and electronic device |
| CN102931693A (en) * | 2011-08-10 | 2013-02-13 | 联发科技（新加坡）私人有限公司 | Battery charging control method and device and charging system and portable device. |
| CN103457306A (en) * | 2012-06-05 | 2013-12-18 | 华为终端有限公司 | Charging device |
| CN104158267A (en) * | 2014-09-01 | 2014-11-19 | 青岛海信移动通信技术股份有限公司 | Charging method and device for battery |
| CN104242398A (en) * | 2014-09-26 | 2014-12-24 | 深圳市中兴移动通信有限公司 | Mobile terminal, and method and device for regulating charging currents |
-
2015
- 2015-11-30 CN CN201510862956.7A patent/CN105429213B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039036A (en) * | 2006-03-15 | 2007-09-19 | 大唐移动通信设备有限公司 | Method and circuit for charging the overdischarging lithium battery by mobile terminal |
| US20090085528A1 (en) * | 2006-04-20 | 2009-04-02 | Hironori Yamada | Charging circuit and its charge method |
| CN101989749A (en) * | 2009-08-04 | 2011-03-23 | 联芯科技有限公司 | Charging device and charging method |
| CN101924383A (en) * | 2010-08-17 | 2010-12-22 | 惠州Tcl移动通信有限公司 | Mobile terminal of automatically setting charging current and implementation method thereof |
| CN102208702A (en) * | 2011-05-06 | 2011-10-05 | 惠州Tcl移动通信有限公司 | Battery charging method and electronic device |
| CN102931693A (en) * | 2011-08-10 | 2013-02-13 | 联发科技（新加坡）私人有限公司 | Battery charging control method and device and charging system and portable device. |
| CN103457306A (en) * | 2012-06-05 | 2013-12-18 | 华为终端有限公司 | Charging device |
| CN104158267A (en) * | 2014-09-01 | 2014-11-19 | 青岛海信移动通信技术股份有限公司 | Charging method and device for battery |
| CN104242398A (en) * | 2014-09-26 | 2014-12-24 | 深圳市中兴移动通信有限公司 | Mobile terminal, and method and device for regulating charging currents |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790360A (en) * | 2016-04-11 | 2016-07-20 | 联想(北京)有限公司 | Charging circuit, electronic device and information processing method |
| CN105790360B (en) * | 2016-04-11 | 2020-03-24 | 联想(北京)有限公司 | Charging circuit, electronic device, and information processing method |
| WO2018028259A1 (en) * | 2016-08-09 | 2018-02-15 | 中兴通讯股份有限公司 | Terminal charging device and method |
| CN106786843A (en) * | 2016-11-24 | 2017-05-31 | 惠州Tcl移动通信有限公司 | The method of adjustment and system of a kind of charging current, electric terminal |
| CN106786843B (en) * | 2016-11-24 | 2019-09-20 | 惠州Tcl移动通信有限公司 | A kind of method of adjustment and system, electric terminal of charging current |
| WO2020097918A1 (en) * | 2018-11-16 | 2020-05-22 | 深圳市欢太科技有限公司 | Method and device for adjusting charge current, and terminal and computer-readable storage medium |
| CN112789779A (en) * | 2018-11-16 | 2021-05-11 | 深圳市欢太科技有限公司 | Charging current adjusting method, device, terminal and computer readable storage medium |
| CN112789779B (en) * | 2018-11-16 | 2024-02-27 | 深圳市欢太科技有限公司 | Charging current adjusting method, device, terminal and computer readable storage medium |
| CN116699296A (en) * | 2023-08-08 | 2023-09-05 | 辰芯半导体（深圳）有限公司 | Load detection circuit and electronic device |
| CN116699296B (en) * | 2023-08-08 | 2023-10-31 | 辰芯半导体（深圳）有限公司 | Load detection circuit and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105429213B (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105429213A (en) | Mobile terminal, system and method for adjusting charging current of mobile terminal | |
| CN103199600B (en) | Charge control circuit and charge control method | |
| CN104756356B (en) | Charging method, charging unit and adapter | |
| US20140300311A1 (en) | Portable power bank and battery booster | |
| CN103227488B (en) | Method for controlling charging voltage of mobile terminal and charging conversion device | |
| CN103501023B (en) | Charging circuit | |
| CN102904323A (en) | Pulse wave modulation charging method and pulse wave modulation charging device | |
| CN104979859A (en) | mobile power supply | |
| WO2017128619A1 (en) | Device, apparatus, and method supporting multi-battery quick-charging | |
| TW201421854A (en) | Charger and electronic device | |
| CN205081497U (en) | Cell -phone charger according to charger temperature automatic adjustment charging current | |
| CN104577231A (en) | Method, adaptor, terminal and system for realizing quick charging | |
| CN208862616U (en) | A kind of current limiting system of battery management | |
| CN105680491B (en) | A kind of control method of charging equipment output power and intelligent charge equipment | |
| CN106207296A (en) | Charging method | |
| WO2022194106A1 (en) | Dual-battery charging and discharging circuit and control method, and electronic device | |
| CN105552973B (en) | Electric energy transmission system and power supply system and charging combination thereof | |
| CN206547012U (en) | Charging circuit and electronic equipment | |
| CN204145031U (en) | A kind of low temperature battery charge-discharge system | |
| CN104167790A (en) | Charger and charging control system and method of mobile terminal | |
| CN108288872A (en) | A kind of lithium battery quick charge device of current automatic adaptation | |
| CN104242398A (en) | Mobile terminal, and method and device for regulating charging currents | |
| CN105337320A (en) | Dynamic current charging method and circuit | |
| CN110138024A (en) | Battery charge controller, charging system and charge control method | |
| CN105871000B (en) | A kind of current control method of DC charging motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220527 Address after: 518000 floor 3, building 3, Dexin Chang wisdom Park, No. 23 Heping Road, Qinghua community, Longhua street, Longhua District, Shenzhen, Guangdong Patentee after: Shenzhen Water World Information Co.,Ltd. Address before: 518000 B, 503, 602, digital city building, garden city, 1079 Shekou Road, Shekou, Nanshan District, Shenzhen, Guangdong. Patentee before: SHENZHEN WATER WORLD Co.,Ltd. |
|
| TR01 | Transfer of patent right |