CN104505890A - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
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- CN104505890A CN104505890A CN201410823367.3A CN201410823367A CN104505890A CN 104505890 A CN104505890 A CN 104505890A CN 201410823367 A CN201410823367 A CN 201410823367A CN 104505890 A CN104505890 A CN 104505890A
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- Prior art keywords
- battery
- voltage
- charging
- charge switch
- chip
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of intelligent terminals, and provides a mobile terminal. The mobile terminal comprises a charging interface, a charging switch, a power management chip, a first charging chip, a second charging chip, a first battery and a second battery, wherein the power management chip controls connection between a voltage inputting end and a voltage outputting end of the charging switch by using a control end of the charging switch so as to output voltage to the first charging chip and the second charging chip; and the first charging chip and the second charging chip simultaneously output voltage outputted by the charging switch to the first battery and/or the second battery so as to charge the first battery and/or the second battery. During quick charging of the mobile terminal, outputted large current is averagely distributed to the two charging chips and simultaneously charges the two batteries, the shortcoming that the temperature of the mobile terminal rises during quick charging of the mobile terminal is overcome, by the two batteries, the standby time of the mobile terminal is long, and the problem that the power of the mobile terminal is consumed quickly in the prior art is solved.
Description
Technical field
The present invention relates to intelligent terminal technical field, particularly relate to a kind of mobile terminal.
Background technology
Along with the recreational of intelligent terminal and playability are more and more higher, the problem that mobile phone power consumption amount is large is more and more serious, so by quick charge to solve the problem, namely high voltage or the quick charge of big current realization to intelligent terminal is usually adopted, no matter be the mode adopting high-tension mode or adopt big current, in the process of quick charge, restriction due to charging chip efficiency can cause charging chip to produce a large amount of heats, in addition, owing to only having a battery in mobile terminal, cause mobile terminal power consumption fast, in sum, exist in prior art owing to adopting large current charge to cause the problem that charging chip temperature raises and mobile terminal power consumption is fast when quick charge.
Summary of the invention
The object of the present invention is to provide a kind of mobile terminal, being intended to solve for existing in prior art owing to adopting when quick charge large current charge to cause the problem that charging chip temperature raises and mobile terminal power consumption is fast.
The present invention is achieved in that first aspect, provides a kind of mobile terminal, and described mobile terminal comprises charging inlet, charge switch, power management chip, the first charging chip, the second charging chip, the first battery and the second battery;
The voltage input end of described charging inlet connects external power source, the voltage output end of described charging inlet connects the voltage input end of described charge switch, the voltage output end of described charge switch connects the voltage input end of described first charging chip and described second charging chip, first voltage output end of described first charging chip is connected the voltage input end of the first battery with the first voltage output end of described second charging chip, second voltage output end of described first charging chip is connected the voltage input end of the second battery with the second voltage output end of described second charging chip,
The output of described power management chip connects the control end of described charge switch, described power management chip is controlled the voltage input end of described charge switch and is connected with between the voltage output end of described charge switch by the control end of described charge switch, give described first charging chip and described second charging chip with output voltage, the voltage that described charge switch exports by described first charging chip and described second charging chip exports to described first battery and/or described second battery to charge simultaneously.
In conjunction with first aspect, in the implementation that the first is possible, first voltage detecting end of described power management chip connects the voltage output end of described charge switch, described power management chip is after detecting by described first voltage detecting end the magnitude of voltage that described charge switch exports, according to the magnitude of voltage that described charge switch exports, controlled by the control end of described charge switch to be connected between the voltage input end of described charge switch and the voltage output end of described charge switch or to disconnect.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, described power management chip is when the magnitude of voltage detecting that described charge switch exports is less than or equal to the first preset voltage value, and described power management chip controls the separated of the voltage input end of described charge switch and the voltage output end of described charge switch by the control end of described charge switch.
In conjunction with the implementation that the first or the second of the first invention or first aspect are possible, in the implementation that the third is possible, second voltage detecting end of described battery management chip connects the voltage input end of described battery, and the tertiary voltage test side of described power management chip connects the voltage input end of described second battery;
Described power management chip is after the input voltage value of described first battery and described second battery being detected by described second voltage detecting end and tertiary voltage test side, described power management chip, according to the input voltage value of the input voltage value of described first battery or described second battery, controls by the control end of described charge switch to be connected between the voltage input end of described charge switch and the voltage output end of described charge switch or to disconnect.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, described power management chip is when detecting that the input voltage value of described first battery or described second battery is more than or equal to the second preset voltage value, and described power management chip controls the separated of the voltage input end of described charge switch and the voltage output end of described charge switch by the control end of described charge switch.
In conjunction with first aspect, in the 5th kind of possible implementation, second output of described power management chip connects the control end of described first charging chip, 3rd output of described power management chip connects the control end of described second charging chip, described power management chip detects the electricity of described first battery and described second battery, and controls described first charging chip according to the electricity of described first battery and described second battery and described second charging chip is described first battery and/or described second battery charging.
In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, when described power management chip detects that the electricity of described first battery and described second battery is all less than the first preset value, control described first charging chip and described second charging chip is described first battery and described second battery charging simultaneously.
In conjunction with the 5th kind of possible implementation of first aspect, in the 7th kind of possible implementation, described power management chip detects that the electricity of described first battery is less than the first preset value, when the electricity of described second battery is greater than described first preset value, control described first charging chip and described second charging chip simultaneously for described first battery charging is until when the electricity of described first battery arrives described first preset value, then control described first charging chip and described second charging chip is that described first battery and the second battery charge simultaneously.
In conjunction with the 5th kind of possible implementation of first aspect, in the 8th kind of possible implementation, described power management chip detects that the electricity of described first battery is greater than the second preset value, when the electricity of described second battery is less than described second preset value, described power management chip controls described first charging chip and described second charging chip stops as described first battery charging, and controls described first charging chip and described second charging chip simultaneously for described second battery charging is until the electricity of described second battery arrives described second preset value.
In conjunction with the first or the 8th kind of any one possible implementation of first aspect or first aspect, in the 9th kind of possible implementation, the data output end of described charging inlet is connected with the data input pin of described charge switch, and the data output end of described charge switch is connected with the data input pin of described power management chip;
When the voltage output end of described charging inlet and the data output end of described charging inlet are short-circuited, described charge switch disconnects the connection of the data input pin of described charge switch and the data output end of described charge switch, or described power management chip controls the connection that described charge switch disconnects the data input pin of described charge switch and the data output end of described charge switch.
In conjunction with first aspect, the tenth kind of possible implementation, in the tenth kind of possible implementation, described mobile terminal also comprises the first switching device, the voltage input end of described first switching device connects the voltage output end of described charging inlet, the voltage output end of described first switching device connects the voltage input end of described charge switch, and described first switching device is in off state when input voltage is negative pressure.
The invention provides a kind of mobile terminal, by arranging two charging chips and two batteries, be two battery chargings on two charging chips by the big current mean allocation of output when quick charge simultaneously, make each charging chip can not give out a large amount of heats, avoid the defect moving terminal temperature rising when quick charge, user is used when charging during mobile phone and obtains better experience, arrange two batteries makes the stand-by time of mobile terminal longer simultaneously, solves the problem that in prior art, mobile terminal power consumption is fast.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of mobile terminal that an embodiment of the present invention provides;
Fig. 2 is the structural representation of a kind of mobile terminal that the another kind of embodiment of the present invention provides;
Fig. 3 is the circuit diagram of the charge switch in a kind of mobile terminal of providing of an embodiment of the present invention;
Fig. 4 is the circuit diagram of the charging chip in a kind of mobile terminal of providing of an embodiment of the present invention.
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.
In order to technical scheme of the present invention is described, be described below by specific embodiment.
An embodiment of the present invention provides a kind of mobile terminal, as shown in Figure 1, mobile terminal comprises charging inlet 101, charge switch 102, power management chip 104, first charging chip 103, second charging chip 110, first battery 105 and the second battery 120.
The voltage input end of charging inlet 101 connects external power source, and the voltage output end of charging inlet 101 connects the voltage input end of charge switch 102, and the data output end of charge switch 102 connects the data input pin of power management chip 104.
The voltage output end of charge switch 102 connects the voltage input end of the first charging chip 103 and the second charging chip 110, first voltage output end of the first charging chip 103 is connected the voltage input end of the first battery 105 with the first voltage output end of the second charging chip 110, the second voltage output end of the first charging chip 103 is connected the voltage input end of the second battery 120 with the second voltage output end of the second charging chip 110.
First output of power management chip 104 connects the control end of charge switch 102, the voltage input end that power management chip 104 controls charge switch 102 by the control end of charge switch 102 is connected with between the voltage output end of charge switch 102, the voltage being exported by charge switch 102 to the first charging chip 103 and the second charging chip 110, first charging chip 103 and the second charging chip 110 with output voltage exports to the first battery 105 and/or the second battery 120 to charge simultaneously.
Optionally, first voltage detecting end of power management chip 104 connects the voltage output end of charge switch 102, power management chip 104 is after detecting by the first voltage detecting end the magnitude of voltage that charge switch 102 exports, according to the magnitude of voltage that described charge switch 102 exports, control to be connected between the voltage input end of charge switch 102 and the voltage output end of charge switch 102 or to disconnect by the control end of charge switch 102.
Optionally, power management chip 104 detects magnitude of voltage that charge switch 102 exports when being less than or equal to the first preset voltage value, and power management chip 104 controls to be connected between the voltage input end of charge switch 102 and the voltage output end of charge switch 102 or to disconnect by the control end of charge switch 102.
In the present embodiment, concrete, in charging process, by power management chip 104 when detecting that the voltage of charging voltage drops into suddenly below some threshold voltages, judge now the first charging chip 103 and/or the second charging chip 110 breakdown, namely the first charging chip 103 and/or the second charging chip 110 break down, there will be the first charging chip 103 and/or the second charging chip 110 and charging voltage is directly added in situation above battery 105, now power management chip 104 controls charge switch 102 open circuit to turn off charging path thus the safety of protection battery.
The another kind of embodiment of the present invention provides a kind of mobile terminal, as shown in Figure 2, second voltage detecting end of power management chip 104 connects the voltage input end of the first battery 105, the tertiary voltage test side of power management chip 104 connects the voltage input end of the second battery 120, power management chip 104 is after the input voltage value the first battery 105 and the second battery 120 being detected by the second voltage detecting end and tertiary voltage test side, power management chip 104 is according to the input voltage value of the input voltage value of the first battery 105 or the second battery 120, control to be connected between the voltage input end of charge switch 102 and the voltage output end of charge switch 102 or to disconnect by the control end of charge switch 102.
Power management chip 104 is when detecting that the input voltage value of the first battery 105 or the second battery 120 is more than or equal to the second preset voltage value, and power management chip 104 is by the control end control voltage input end of charge switch 102 of charge switch 102 and the separated of the voltage output end of charge switch 102.
In the present embodiment; concrete; in charging process; when the charging voltage that power management chip 104 detects the first battery 105 or the second battery 120 exceedes predetermined ceiling voltage; judge that the first charging chip 103 or the second charging chip 110 break down; carry out overvoltage charging to battery, now power management chip 104 controls charge switch 102 open circuit to turn off charging path thus the safety of protection the first battery 105 and the second battery 120.
Optionally, second output of power management chip 104 connects the control end of the first charging chip 103,3rd output of power management chip 104 connects the control end of the second charging chip 110, power management chip detects the electricity of the first battery 105 and the second battery 120, and controls the first charging chip 103 according to the electricity of the first battery 105 and the second battery 120 and the second charging chip 110 is that the first battery 105 and/or the second battery 120 charge.
Power management chip 104 controls in a kind of control mode of the first charging chip 103 and the second charging chip 110, when power management chip 104 detects that the electricity of the first battery 105 and the second battery 120 is all less than the first preset value, control the first charging chip 103 and the second charging chip 110 is that the first battery 105 and the second battery 120 charge simultaneously.
Power management chip 104 controls in the another kind of control mode of the first charging chip 103 and the second charging chip 110, power management chip 104 detects that the electricity of the first battery 105 is less than the first preset value, when the electricity of the second battery 120 is greater than the first preset value, control the first charging chip 103 and the second charging chip 110 is that the first battery 105 charges until when the electricity of the first battery 105 arrives the first preset value simultaneously, then control the first charging chip 103 and the second charging chip 110 is that the first battery 105 and the second battery 120 charge simultaneously.
Power management chip 104 controls in the another kind of control mode of the first charging chip 103 and the second charging chip 110, power management chip 104 detects that the electricity of the first battery 105 is greater than the second preset value, when the electricity of the second battery 120 is less than the second preset value, power management chip 104 controls the first charging chip 103 and the second charging chip 110 to be stopped being that the first battery 105 charges, and controls the first charging chip 103 and the second charging chip 110 is that the second battery 120 charges until the electricity of the second battery 120 arrives the second preset value simultaneously.
Optionally, the data output end of charging inlet 101 is connected with the data input pin of charge switch 102, the data output end of charge switch 102 is connected with the data input pin of power management chip, the output of charging inlet 101 comprises voltage output end, first data output end and the second data output end, first data output end is D+ end, second data output end is D-end, voltage difference according to the first data output end and the second data output end transmits data, charging inlet 101 transmits data by the first data output end and the second data output end to charge switch 102, the data output end of charge switch 102 comprises the first data output end and the second data output end, charge switch 102 transmits data according to the voltage difference of the first data output end and the second data output end, first data output end of charge switch 102 is connected the first data input pin and second data input pin of power management chip 104 with the second data output end, when the voltage output end of charging inlet 101 and the first data output end or the second data output end are short-circuited, charge switch 102 disconnects the transfer of data between power management chip 104.
In the present embodiment; concrete; can with serving extra problem when adopting high-voltage charging as adopted 9V or 12V voltage to charge; such as when user voltage end and data input pin D-or D+ when plugging mobile phone may be short-circuited; the rear polar circuit of mobile phone can be burnt; such as CPU; therefore; need to detect to data input pin D-or D+ the generation preventing open circuit; can automatically disconnect the transfer of data with power management chip 104 when charge switch 102 detects data input pin D-or D+ more than during 5V voltage, thus protection device is below injury-free.
It should be noted that, as another kind of execution mode, when power management chip 104 detects that the voltage output end of charging inlet 101 and the first data output end or the second data output end are short-circuited, power management chip 104 controls the connection of the data input pin of charge switch 102 turn off charge switch 102 and the data output end of charge switch 102.
Concrete; when power management chip 104 detects data input pin D-or D+ of charge switch 102 more than the connection of the data output end of the data input pin and charge switch 102 that can control charge switch 102 turn off charge switch 102 during 5V voltage, thus protection device is below injury-free.
Optionally, mobile terminal also comprises the first switching device 106, the voltage input end of the first switching device 106 connects the voltage output end of charging inlet 101, the output of the first switching device 106 connects the voltage input end of charge switch 102, and the first switching device 106 is in off state when input voltage is negative pressure.
In the present embodiment, preferably, the first switching device 106 is triode, field effect transistor or IGBT (insulated gate bipolar transistor).
Lower mask body introduces the particular circuit configurations used in above-described embodiment, as shown in Figure 3 and Figure 4, preferably, the model of charge switch 102 is IC-MAX14654, its pin IN_0, pin IN_1 and pin IN_2 is the voltage input end connecting charging inlet 101, pin IN_0, the common contact of pin IN_1 and pin IN_2 connects the drain electrode of field effect transistor 106 and the first end of electric capacity C3500, second end of electric capacity C3500 and the first end of resistance R3514 are connected to ground altogether, second end of resistance R3514 connects the grid of field effect transistor 106, the source electrode of field effect transistor 106 connects the voltage output end of charging inlet 101, pin IN_3 and pin IN_4 are the first data input pin and the second data input pin that are connected charging inlet 101, pin OUT_0, pin OUT_1 and pin OUT_2 is the voltage output end connecting charging chip 103, pin OUT_4 and pin OUT_5 are the data output end being connected power management chip 104, pin GND_2 is the control end connecting power management chip 104, and the first end of contact resistance R3523, the second end ground connection of resistance R3523.
Preferably, the concrete model that first charging chip 103 and the second charging chip 110 adopt is SMB1357, its pin USBIN_1 and pin USBIN_2 is the voltage input end connecting charge switch 102, pin USBIN_1 is connected the first end of electric capacity C2111 with the common contact of pin USBIN_2, the second end ground connection of electric capacity C2111, pin CHGOUT_1 and pin CHGOUT_2 is the first voltage output end connecting battery 105, pin CHGOUT_1 is connected the first end of electric capacity C2112 with the common contact of pin CHGOUT_2, the second end ground connection of electric capacity C2112, pin SW_1 and pin SW_2 is the second voltage output end connecting battery 105, pin SYSOK is the control end connecting power management chip, pin SW_1 is connected the first end of electric capacity C2106 with the common contact of pin SW_2, the first end of inductance L 2102 and the negative electrode of voltage-stabiliser tube D2103, second end of electric capacity C2106 connects pin BOOT, the plus earth of voltage-stabiliser tube D2103, second end of inductance L 2102 connects first end and the battery 105 of electric capacity C2116, the second end ground connection of electric capacity C2116.
The invention provides a kind of mobile terminal, by arranging two charging chips and two batteries, be two battery chargings on two charging chips by the big current mean allocation of output when quick charge simultaneously, make each charging chip can not give out a large amount of heats, avoid the defect moving terminal temperature rising when quick charge, user is used when charging during mobile phone and obtains better experience, arrange two batteries makes the stand-by time of mobile terminal longer simultaneously, solves the problem that in prior art, mobile terminal power consumption is fast.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; make some equivalent alternative or obvious modification without departing from the inventive concept of the premise; and performance or purposes identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (11)
1. a mobile terminal, is characterized in that, described mobile terminal comprises charging inlet, charge switch, power management chip, the first charging chip, the second charging chip, the first battery and the second battery;
The voltage input end of described charging inlet connects external power source, the voltage output end of described charging inlet connects the voltage input end of described charge switch, the voltage output end of described charge switch connects the voltage input end of described first charging chip and described second charging chip, first voltage output end of described first charging chip is connected the voltage input end of the first battery with the first voltage output end of described second charging chip, second voltage output end of described first charging chip is connected the voltage input end of the second battery with the second voltage output end of described second charging chip,
The output of described power management chip connects the control end of described charge switch, described power management chip is controlled the voltage input end of described charge switch and is connected with between the voltage output end of described charge switch by the control end of described charge switch, give described first charging chip and described second charging chip with output voltage, the voltage that described charge switch exports by described first charging chip and described second charging chip exports to described first battery and/or described second battery to charge simultaneously.
2. mobile terminal as claimed in claim 1, it is characterized in that, the first voltage detecting end of described power management chip connects the voltage output end of described charge switch;
Described power management chip is after detecting by described first voltage detecting end the magnitude of voltage that described charge switch exports, according to the magnitude of voltage that described charge switch exports, controlled by the control end of described charge switch to be connected between the voltage input end of described charge switch and the voltage output end of described charge switch or to disconnect.
3. mobile terminal as claimed in claim 2, it is characterized in that, described power management chip is when the magnitude of voltage detecting that described charge switch exports is less than or equal to the first preset voltage value, and described power management chip controls the separated of the voltage input end of described charge switch and the voltage output end of described charge switch by the control end of described charge switch.
4. mobile terminal as claimed any one in claims 1 to 3, it is characterized in that, second voltage detecting end of described battery management chip connects the voltage input end of described battery, and the tertiary voltage test side of described power management chip connects the voltage input end of described second battery;
Described power management chip is after the input voltage value of described first battery and described second battery being detected by described second voltage detecting end and tertiary voltage test side, described power management chip, according to the input voltage value of the input voltage value of described first battery or described second battery, controls by the control end of described charge switch to be connected between the voltage input end of described charge switch and the voltage output end of described charge switch or to disconnect.
5. mobile terminal as claimed in claim 4, it is characterized in that, described power management chip is when detecting that the input voltage value of described first battery or described second battery is more than or equal to the second preset voltage value, and described power management chip controls the separated of the voltage input end of described charge switch and the voltage output end of described charge switch by the control end of described charge switch.
6. mobile terminal as claimed in claim 1, it is characterized in that, second output of described power management chip connects the control end of described first charging chip, 3rd output of described power management chip connects the control end of described second charging chip, described power management chip detects the electricity of described first battery and described second battery, and controls described first charging chip according to the electricity of described first battery and described second battery and described second charging chip is described first battery and/or described second battery charging.
7. mobile terminal as claimed in claim 6, it is characterized in that, when described power management chip detects that the electricity of described first battery and described second battery is all less than the first preset value, control described first charging chip and described second charging chip is described first battery and described second battery charging simultaneously.
8. mobile terminal as claimed in claim 6, it is characterized in that, described power management chip detects that the electricity of described first battery is less than the first preset value, when the electricity of described second battery is greater than described first preset value, control described first charging chip and described second charging chip simultaneously for described first battery charging is until when the electricity of described first battery arrives described first preset value, then control described first charging chip and described second charging chip is that described first battery and the second battery charge simultaneously.
9. mobile terminal as claimed in claim 6, it is characterized in that, described power management chip detects that the electricity of described first battery is greater than the second preset value, when the electricity of described second battery is less than described second preset value, described power management chip controls described first charging chip and described second charging chip stops as described first battery charging, and controls described first charging chip and described second charging chip simultaneously for described second battery charging is until the electricity of described second battery arrives described second preset value.
10. mobile terminal as claimed in any one of claims 1-9 wherein, it is characterized in that, the data output end of described charging inlet is connected with the data input pin of described charge switch, and the data output end of described charge switch is connected with the data input pin of described power management chip;
When the voltage output end of described charging inlet and the data output end of described charging inlet are short-circuited, described charge switch disconnects the connection of the data input pin of described charge switch and the data output end of described charge switch, or described power management chip controls the connection that described charge switch disconnects the data input pin of described charge switch and the data output end of described charge switch.
11. mobile terminals as claimed in claim 1, it is characterized in that, described mobile terminal also comprises the first switching device, the voltage input end of described first switching device connects the voltage output end of described charging inlet, the voltage output end of described first switching device connects the voltage input end of described charge switch, and described first switching device is in off state when input voltage is negative pressure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410823367.3A CN104505890B (en) | 2014-12-24 | 2014-12-24 | Mobile terminal |
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|---|---|---|---|
| CN201410823367.3A CN104505890B (en) | 2014-12-24 | 2014-12-24 | Mobile terminal |
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| CN104505890A true CN104505890A (en) | 2015-04-08 |
| CN104505890B CN104505890B (en) | 2017-02-01 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849000A (en) * | 2017-03-14 | 2017-06-13 | 广东欧珀移动通信有限公司 | A kind of short-circuit protection circuit, power supply adaptor and mobile terminal |
| CN110336355A (en) * | 2019-07-11 | 2019-10-15 | Oppo广东移动通信有限公司 | A kind of charging method, charging unit and terminal device |
| WO2020020124A1 (en) * | 2018-07-25 | 2020-01-30 | 维沃移动通信有限公司 | Multi-battery charging and discharging apparatus and mobile terminal |
| CN110854939A (en) * | 2018-08-20 | 2020-02-28 | 中兴通讯股份有限公司 | Method for charging double batteries, electronic device and storage medium |
| CN110970952A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970950A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
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| CN106849000A (en) * | 2017-03-14 | 2017-06-13 | 广东欧珀移动通信有限公司 | A kind of short-circuit protection circuit, power supply adaptor and mobile terminal |
| CN106849000B (en) * | 2017-03-14 | 2020-02-18 | Oppo广东移动通信有限公司 | Short-circuit protection circuit, power adapter and mobile terminal |
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| WO2020020124A1 (en) * | 2018-07-25 | 2020-01-30 | 维沃移动通信有限公司 | Multi-battery charging and discharging apparatus and mobile terminal |
| CN110854939A (en) * | 2018-08-20 | 2020-02-28 | 中兴通讯股份有限公司 | Method for charging double batteries, electronic device and storage medium |
| CN110854939B (en) * | 2018-08-20 | 2021-01-01 | 中兴通讯股份有限公司 | Method for charging double batteries, electronic device and storage medium |
| CN110970950A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970954A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970947A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging method, terminal and computer storage medium |
| CN110970952A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970954B (en) * | 2018-09-29 | 2021-06-15 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN111463866A (en) * | 2019-06-01 | 2020-07-28 | 深圳市永航新能源技术有限公司 | Unattended intelligent battery charging management system and charging management method |
| CN110336355A (en) * | 2019-07-11 | 2019-10-15 | Oppo广东移动通信有限公司 | A kind of charging method, charging unit and terminal device |
| CN116365670A (en) * | 2023-06-01 | 2023-06-30 | 荣耀终端有限公司 | Charging control method, device and storage medium |
| CN116365670B (en) * | 2023-06-01 | 2023-10-20 | 荣耀终端有限公司 | Charging control method, device and storage medium |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523841 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |