CN106130089A - Mobile device charging system and relevant adaptability power supply changeover device and charging control circuit - Google Patents

Mobile device charging system and relevant adaptability power supply changeover device and charging control circuit Download PDF

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Publication number
CN106130089A
CN106130089A CN201610278760.8A CN201610278760A CN106130089A CN 106130089 A CN106130089 A CN 106130089A CN 201610278760 A CN201610278760 A CN 201610278760A CN 106130089 A CN106130089 A CN 106130089A
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CN
China
Prior art keywords
signal
feeder ear
device end
circuit
voltage
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Granted
Application number
CN201610278760.8A
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Chinese (zh)
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CN106130089B (en
Inventor
徐易民
陈裕昌
纪志伟
詹振辉
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Richtek Technology Corp
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Richtek Technology Corp
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Priority to EP16168339.6A priority Critical patent/EP3091633B1/en
Priority to EP16168331.3A priority patent/EP3091632B1/en
Priority to US15/147,056 priority patent/US20160329730A1/en
Publication of CN106130089A publication Critical patent/CN106130089A/en
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Publication of CN106130089B publication Critical patent/CN106130089B/en
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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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • 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
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit

Abstract

The present invention proposes a kind of mobile device charging system and interlock circuit.Mobile device charging system includes mobile charger and mobile device.Mobile charger includes: adaptability power supply changeover device, is used for receiving data signal and producing direct current signal；Lead-out terminal；And charging wire, it is used for transmitting data signal and receiving direct current signal outputing signal to lead-out terminal to provide.Mobile device includes: device end adapter, it is possible to receive the signal that lead-out terminal transmits；And charging control circuit, it is possible to produce and transmit data signal to adaptability power supply changeover device by device end adapter and charging wire.Adaptability power supply changeover device can adjust the size of direct current signal according to data signal, the pressure drop of charging wire to be controlled below predetermined critical.Aforementioned mobile device charging system can effectively take into account the speed and safety being charged mobile device.

Description

Mobile device charging system and relevant adaptability power supply changeover device With charging control circuit
Technical field
The present invention relates to a kind of mobile device, a kind of mobile device charging system and relevant adaptation Property power supply changeover device and charging control circuit.
Background technology
Battery capacity is to affect mobile device to use the Main Bottleneck place of time length, and mobile device is filled Time length needed for electricity and battery capacity size direct proportionality.The electric current increasing charging wire transmission is big Little, can accelerate the speed that mobile device is charged, but bigger electric current be easily caused charging wire or Relevant connection terminal is overheated and produces danger.
In order to avoid causing danger in charging process, the component in conventional charging arrangements and charging wire Specification coupling must be carried out in advance, so the charging wire that charging device can only be arranged in pairs or groups special uses, the most also User is not allowed to change the charging wire of different size.Fill owing to the framework of conventional charging arrangements seriously limits The replacing of electric wire is elastic, therefore significantly reduces convenience and range of application that charging device uses.
Summary of the invention
In view of this, the most effectively take into account the speed and safety that mobile device is charged, be urgent The problem needing to solve.
This specification provide a kind of mobile device charging system embodiment, comprising: mobile charger with And mobile device.This mobile charger includes: power-switching circuit, for by power supply voltage signal and electricity Source current signal is converted into d. c. voltage signal and DC current signal；Communication interface, is used for transmitting data Signal, and this d. c. voltage signal and this DC current signal can be exported, and this power-switching circuit and There is between this communication interface electric power outgoing route；Output switch, is positioned on this electric power outgoing route；Supply Electricity end sensing circuit, for sensing the signal on this electric power outgoing route；Feeder ear control circuit, couples In this power-switching circuit and this communication interface, it is used for receiving this data signal, and this power supply can be controlled Change-over circuit and the running of this output switch；Lead-out terminal；And charging wire, it is coupled in this communication interface And between this lead-out terminal, be used for transmitting this data signal, and be able to receive that this d. c. voltage signal and be somebody's turn to do DC current signal, to provide output voltage signal and output current signal to this lead-out terminal.This moves Device includes: device end adapter, it is possible to removably connect this lead-out terminal, to receive by this Voltage that lead-out terminal transmits and electric current；Between battery, and this device end adapter and this battery, there is electricity Power input path；Input switch, is positioned on this electric power input path；Device end sensing circuit, is used for feeling Survey the signal on this electric power input path；And device end control circuit, be coupled to this device end adapter, This input switch and this device end sensing circuit, for controlling the switching running of this input switch, and energy Enough produce and transmit this data signal extremely by this device end adapter, this charging wire and this communication interface This feeder ear control circuit, and this feeder ear control circuit can control according to the content of this data signal This power-switching circuit adjusts the big of at least one in this DC current signal and this d. c. voltage signal It is little, so that the pressure drop of this charging wire is controlled below predetermined critical.
This specification separately provides the embodiment of a kind of adaptability power supply changeover device in mobile charger. This mobile charger is for being charged mobile device, and includes lead-out terminal and charging wire, this charging Line couples this lead-out terminal, is used for transmitting data signal, and is able to receive that d. c. voltage signal and unidirectional current Stream signal, to provide output voltage signal and output current signal to this lead-out terminal.This mobile device bag Including device end adapter and battery, this device end adapter can removably connect this lead-out terminal, Have between voltage and the electric current, and this device end adapter and this battery transmitted by this lead-out terminal to receive Electric power is had to input path.This adaptability power supply changeover device includes: power-switching circuit, for by power supply electricity Pressure signal is converted into this d. c. voltage signal and this DC current signal with power current signal；Communication interface, For transmitting this data signal, and this d. c. voltage signal can be exported and this DC current signal fills to this There is between electric wire, and this power-switching circuit and this communication interface electric power outgoing route；And feeder ear Control circuit, is coupled to this power-switching circuit and this communication interface, is used for receiving this data signal, and The running of this power-switching circuit can be controlled；Wherein, this mobile device can input according to this electric power The sensing result of the signal on path, by this device end adapter, this charging wire and this communication interface Transmit this data signal to this feeder ear control circuit, and this feeder ear control circuit can be believed according to these data Number content, control this power-switching circuit and adjust in this DC current signal and this d. c. voltage signal The size of at least one, to control the pressure drop of this charging wire below predetermined critical.
This specification separately provides the embodiment of a kind of charging control circuit in mobile device.This moves Device can be charged by mobile charger.This mobile charger include adaptability power supply changeover device, Lead-out terminal and charging wire, this adaptability power supply changeover device includes power-switching circuit and communication interface, This power-switching circuit for power supply voltage signal and power current signal are converted into d. c. voltage signal with DC current signal, this communication interface is used for transmitting data signal, and can export this d. c. voltage signal With there is between this DC current signal, and this power-switching circuit and this communication interface electric power outgoing route, This charging wire is coupled between this adaptability power supply changeover device and this lead-out terminal, is used for transmitting these data letter Number, and be able to receive that this d. c. voltage signal and this DC current signal, with provide output voltage signal and Output current signal is to this lead-out terminal.This mobile device includes device end adapter and battery, this device Terminal adapter can removably connect this lead-out terminal, the electricity transmitted by this lead-out terminal with reception There is between pressure and electric current, and this device end adapter and this battery electric power input path.This charging controls Circuit includes: input switch, is positioned on this electric power input path；And device end control circuit, couple In this device end adapter and this input switch, for controlling the switching running of this input switch, and energy Enough according to the sensing result to the signal on this electric power input path, by this device end adapter, this fills Electric wire and this communication interface transmit this data signal to this adaptability power supply changeover device, and this adaptability electricity Source converter can control this power-switching circuit adjust this DC current letter according to the content of this data signal Number and this d. c. voltage signal in the size of at least one, the pressure drop of this charging wire is controlled predetermined Below marginal value.
One of advantage of above-described embodiment is that aforementioned mobile charger can supply bigger output electric current to aforementioned Mobile device, therefore can effectively accelerate the speed that aforementioned mobile device is charged.
Another advantage of above-described embodiment is that aforementioned adaptability power supply changeover device can be according to charging control circuit Instruction, adjusts the d. c. voltage signal of generation and the size of DC current signal adaptively, therefore can be used to Different types of mobile device is charged, has and be quite widely applied elasticity.
Another advantage of above-described embodiment is that aforementioned adaptability power supply changeover device or charging control circuit can be dynamic Estimate the pressure drop of charging wire and automatically carry out adaptive processes, to control the pressure drop of charging wire to face predetermined Below dividing value, therefore user can be allowed to use the charging wire of different size, and then improve the selection bullet of charging wire Property and promote the safety in utilization of aforementioned mobile charger, convenience and range of application.
Another advantage of above-described embodiment is that aforementioned adaptability power supply changeover device or charging control circuit can be automatic Judge whether to have in the power delivery path between mobile charger and mobile device and abnormal leakage current occurs Situation, therefore safety when can effectively guarantee charging, reduce danger when using big electric current quick charge.
Collocation the following description and accompanying drawing are explained orally by other advantages of the present invention in more detail.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes of the application Point, the schematic description and description of the application is not intended that the application's for explaining the application Limit improperly.
Fig. 1 is the schematic diagram after the mobile device charging system simplification of one embodiment of the invention.
Fig. 2 is the functional block diagram after the mobile device charging system simplification of Fig. 1.
Fig. 3 is the functional block diagram after an embodiment simplification of the adaptability power supply changeover device in Fig. 2.
Fig. 4 is the functional block diagram after another embodiment simplification of the adaptability power supply changeover device in Fig. 2.
Fig. 5 is the functional block diagram after an embodiment simplification of the charging control circuit in Fig. 2.
Fig. 6 is the functional block diagram after another embodiment simplification of the charging control circuit in Fig. 2.
Fig. 7 be Fig. 1 mobile device charging system in there is functional block diagram after the simplification in the case of foreign body.
Fig. 8 is the flow chart after the mobile device charging method simplification of one embodiment of the invention.
Fig. 9 is the schematic diagram after the mobile device charging system simplification of another embodiment of the present invention.
Figure 10 is the functional block diagram after the mobile device charging system in Fig. 9 simplifies.
Reference numerals list
100 mobile device charging systems (mobile device charging system)
102 mobile chargers (mobile charger)
110 adaptability power supply changeover devices (adaptive power converter)
120 lead-out terminals (output terminal)
130 charging wires (charging cable)
104 mobile devices (mobile device)
140 device end adapters (device-side connector)
150 batteries (battery)
160 charging control circuits (charging control circuit)
211 power-switching circuits (power converting circuit)
213 communication interfaces (communication interface)
215 output switchs (output switch)
217 feeder ear sensing circuits (charger-side sensing circuit)
219 feeder ear control circuits (charger-side control circuit)
221 power transmission lines (power transmission line)
223 data lines (data transmission line)
225 dead resistances (parasitic resistance)
261 input switches (input switch)
263 device end sensing circuits (device-side sensing circuit)
265 device end control circuits (device-side control circuit)
310 first digital analog converters (first DAC)
320 second digital analog converters (second DAC)
330 first feeder ear analog-digital converters (first charger-side ADC)
340 second feeder ear analog-digital converters (second charger-side ADC)
350 feeder ear digital processing circuits (charger-side digital processing circuit)
360 feeder ear drive circuits (charger-side driver circuit)
440 feeder ear multiplexers (charger-side multiplexr)
510 first device end analog-digital converters (first device-side ADC)
520 second device end analog-digital converters (second device-side ADC)
530 device end digital processing circuits (device-side digital processing circuit)
540 device end drive circuits (device-side driver circuit)
620 device end multiplexers (device-side multiplexr)
710 foreign bodies (foreign object)
900 mobile device charging systems (mobile device charging system)
902 mobile chargers (mobile charger)
920 receiving terminal (receiving terminal)
940 feeder ear adapters (charger-side connector)
CSI feeder ear current value (charger-side current value)
CSV feeder ear magnitude of voltage (charger-side current value)
D1 the first digital value (first digital value)
D2 the second digital value (second digital value)
DATA data signal (data signal)
Dii input current sensing value (input current sensing value)
Din device end sensing value (device-side sensing value)
Dio output current sense value (output current sensing value)
Dout feeder ear sensing value (charger-side sensing value)
DSI device end current value (device-side current value)
DSV device end magnitude of voltage (device-side voltage value)
Dvi input voltage sensing value (input voltage sensing value)
Dvo output voltage sensing value (output voltage sensing value)
IB charging current signal (charging current signal)
Idc DC current signal (DC current signal)
Ifb leakage current (leakage current)
Iin input current signal (input current signal)
Iout output current signal (output current signal)
Iref reference current signal (reference current signal)
Is power current signal (source current signal)
ITG target current value (target current value)
M1 feeder ear selects signal (charger-side selection signal)
M2 device end selects signal (device-side selection signal)
Sii input current sensing signal (input current sensing signal)
Sio output current sensing signal (output current sensing signal)
Svi input voltage sensing signal (input voltage sensing signal)
Svo output voltage sensing signal (output voltage sensing signal)
SW1 feeder ear switching signal (charger-side switch signal)
SW2 device end switching signal (device-side switch signal)
VB charging voltage signal (charging voltage signal)
Vdc d. c. voltage signal (DC voltage signal)
Vin input voltage signal (input voltage signal)
Vout output voltage signal (output voltage signal)
Vref reference voltage signal (reference voltage signal)
Vs power supply voltage signal (source voltage signal)
VTG target voltage values (target voltage value)
Detailed description of the invention
Below in conjunction with relevant drawings, embodiments of the invention are described.In the drawings, identical mark Number represent same or similar element or method flow.
Fig. 1 is the schematic diagram after mobile device charging system 100 simplification of first embodiment of the invention.As Shown in Fig. 1, mobile device charging system 100 includes mobile charger 102 and mobile device 104, its In, mobile charger 102 can be used for being charged mobile device 104.
Mobile charger 102 includes adaptability power supply changeover device 110, lead-out terminal 120 and charging wire 130.Adaptability power supply changeover device 110 is used for receiving data signal and can producing d. c. voltage signal with straight Stream current signal.Charging wire 130 is coupled between adaptability power supply changeover device 110 and lead-out terminal 120, For transmit data signal and be able to receive that d. c. voltage signal that adaptability power supply changeover device 110 produces and DC current signal, to provide output voltage signal and output current signal to lead-out terminal 120.
Mobile device 104 includes device end adapter 140, battery 150 and charging control circuit 160. Device end adapter 140 can removably connect lead-out terminal 120, to receive by lead-out terminal 120 voltage transmitted and electric currents, and there is between device end adapter 140 and battery 150 electric power input road Footpath.Charging control circuit 160 is coupled to device end adapter 140, it is possible to produces and is connected by device end Device 140 and charging wire 130 transmit data signal to adaptability power supply changeover device 110.
The adaptability power supply changeover device 110 of mobile charger 102 can pass according to charging control circuit 160 Come data signal content adjust output d. c. voltage signal or the size of DC current signal, with will The pressure drop of charging wire 130 controls below predetermined critical.
Fig. 2 is the functional block diagram after mobile device charging system 100 simplification of Fig. 1.As in figure 2 it is shown, Adaptability power supply changeover device 110 include power-switching circuit 211, communication interface 213, output switch 215, Feeder ear sensing circuit 217 and feeder ear control circuit 219.Charging wire 130 includes that electric power transmits Line 221 and data line 223, label 225 then represents the dead resistance on power transmission line 221. Charging control circuit 160 includes that input switch 261, device end sensing circuit 263 and device end control Circuit 265.
In adaptability power supply changeover device 110, power-switching circuit 211 is for by power supply voltage signal Vs It is converted into d. c. voltage signal Vdc and DC current signal Idc with power current signal Is.Communication interface 213 are used for transmitting between data signal DATA, and power-switching circuit 211 and communication interface 213 and having Electric power outgoing route.Communication interface 213 can export d. c. voltage signal Vdc and DC current signal Idc To charging wire 130, charging wire 130 is made to provide output voltage signal Vout and output current signal Iout extremely Lead-out terminal 120.Output switch 215 is positioned on aforesaid electric power outgoing route, for optionally by electricity The d. c. voltage signal Vdc that power-switching circuit 211 produces is conducted to communication with DC current signal Idc and connects Mouth 213.Feeder ear sensing circuit 217 is (such as, aforesaid for sensing the signal on electric power outgoing route Signal Vdc, signal Idc), to produce corresponding output voltage sensing signal Svo and/or output electric current sense Survey signal Sio.Feeder ear control circuit 219 is coupled to power-switching circuit 211 and communication interface 213, For receiving data signal DATA.
It practice, feeder ear sensing circuit 217 can be coupled to power-switching circuit 211 and output switch 215 Between signal path, to sense the signal path between power-switching circuit 211 and output switch 215 On signal.Feeder ear sensing circuit 217 also can be coupled to output switch 215 and communication interface 213 it Between signal path, to sense the letter on the signal path between output switch 215 and communication interface 213 Number.
When running, feeder ear control circuit 219 can be according in data signal DATA received Hold and/or the feeder ear sensing circuit 217 sensing result to the signal on electric power outgoing route, control power supply Change-over circuit 211 and the running of output switch 215, control to face predetermined with the pressure drop by charging wire 130 Below dividing value.
Different according to power supply voltage signal Vs and the supply unit of power current signal Is or type, power supply Change-over circuit 211 can be selected for suitable all kinds of booster type power supply changeover device, buck power converter, liter Buck power converter or flyback power supply transducer realize.In other words, power supply voltage signal Vs It is likely to be ac voltage signal actually, it is also possible to d. c. voltage signal, and d. c. voltage signal The size of Vdc may be above the size of power supply voltage signal Vs, it is also possible to can believe less than supply voltage The size of number Vs.Similarly, the size of DC current signal Idc is the most likely more than power supply electricity The size of stream signal Is, it is also possible to can be less than the size of power current signal Is.
As long as mobile device 104 can be born, DC current produced by power-switching circuit 211 can be believed Number Idc is dimensioned to 5 amperes, 8 amperes, 10 amperes, and the biggest current value, with effectively Promote the speed to mobile device 104 charging.
It practice, the difference in functionality module in adaptability power supply changeover device 110 can be respectively with different circuit Realize, it is possible to be incorporated in single circuit chip.It addition, output switch 215, feeder ear sensing circuit 217 and/or power-switching circuit 211 the subelement (not illustrating in figure) such as power switch and inductance also Can change and be arranged on adaptability power supply changeover device 110 outside.Such as, can be by output switch 215, feeder ear The subelements such as the power switch of sensing circuit 217 and/or power-switching circuit 211 and inductance, change and set Put (the circuit being such as connected outside adaptability power supply changeover device 110 with adaptability power supply changeover device 110 On plate), and other functional modules in adaptability power supply changeover device 110 are integrated into single circuit chip.
In charging wire 130, power transmission line 221 is used for transmitting adaptability power supply changeover device 110 and to supply Should give the electric power signal of mobile device 104, data line 223 is then used for transmitting data signal DATA. Although dead resistance 225 can be there is on the power transmission line 221 of charging wire 130 and cause pressure drop, but fill Electric wire 130 is supplied to the big of the output voltage signal Vout and output current signal Iout of lead-out terminal 120 Little, it will usually with the size direct proportionality of d. c. voltage signal Vdc Yu DC current signal Idc.
It practice, charging wire 130 can come with can transmit the electric power transmission line with all size of data simultaneously Realize.Such as, in some embodiment, charging wire 130 can use USB (universal serial bus) cable (USB cable) Realize.In this case, it is possible to USB (universal serial bus) series of canonical (USB series specifications) Defined D+ and D-data signal realizes aforesaid data signal DATA, it is also possible to general serial is total CC1 defined in line electric power transmission series of canonical (USB Power Delivery series specifications) And CC2 data signal realizes aforesaid data signal DATA.
In charging control circuit 160, input switch 261 is positioned at device end adapter 140 and battery 150 Between electric power input path on, for optionally device end adapter 140 is an actually-received defeated Enter voltage signal Vin and input current signal Iin and be conducted to the input of battery 150, to form battery 150 Charging voltage signal VB and charging current signal IB.Device end sensing circuit 263 is used for sensing electric power Signal (such as, aforesaid signal Vin, Iin, VB and/or IB) on input path, to produce phase Corresponding input voltage sensing signal Svi and/or input current sensing signal Sii.Device end control circuit 265 It is coupled to device end adapter 140, input switch 261 and device end sensing circuit 263.Device end control Circuit 265 processed is for tying the sensing of the signal on electric power input path according to device end sensing circuit 263 Really, control input switch 261 switching running, with avoid battery 150 charging voltage signal VB and/ Or the size of charging current signal IB exceedes safety range.Additionally, device end control circuit 265 can also According to the device end sensing circuit 263 sensing result to the signal on electric power input path, produce and pass through Device end adapter 140, charging wire 130 and communication interface 213 transmit data signal DATA to power supply End control circuit 219.
It practice, device end sensing circuit 263 can be coupled to device end adapter 140 and input switch 261 Between signal path, to sense the signal path between device end adapter 140 and input switch 261 On signal (such as, aforesaid signal Vin, signal Iin).Device end sensing circuit 263 also can coupling It is connected to the signal path between input switch 261 and battery 150, to sense input switch 261 and battery Signal (such as, aforesaid signal VB, signal IB) on signal path between 150.
It addition, the difference in functionality module in charging control circuit 160 can realize with different circuit respectively, Also can be incorporated in single circuit chip.Such as, device end sensing circuit 263 can be changed and be arranged on charging Outside control circuit 160 (on the circuit board being such as connected with charging control circuit 160), and will charging Other functional modules in control circuit 160 are integrated into single circuit chip.
For the sake of for the purpose of simplifying the description, adaptability power supply changeover device 110, charging wire 130 and charging control electricity Other elements in road 160 and interelement annexation, be not illustrated in Fig. 2.
It practice, mobile charger 102 can be used as power-supply adapter (power adapter), moves Power supply (mobile power bank), vehicle charger (car charger) or other any depend on The device of the DC voltage of output and the size of electric current is adjusted according to the instruction of mobile device 104.
It addition, mobile device 104 can be with various portable electron devices (portable electronic device) Form realize, such as mobile phone, panel computer, notebook computer, net book (netbook computer), Portable movie player etc..
Charging wire 130 itself usually there will be dead resistance (parasitic resistance), and dead resistance Size relevant with the length of charging wire 130.Therefore, the voltage that mobile device 104 actually receives And/or the size of electric current, can be less than DC voltage and/or direct current produced by adaptability power supply changeover device 110 The size of electric current.It addition, different charging wires 130 can cause different pressure drops, and same charging wire 130 are likely to have different pressure drops in different lifetime stage or different operating environments.
In order to provide user to change the elasticity of charging wire 130, and guarantee safety when charging, aforementioned Adaptability power supply changeover device 110 or charging control circuit 160 can be according on corresponding electric power input path The sensing result of signal (such as, aforesaid signal Vin, Iin, VB and/or IB), dynamically estimates The pressure drop of charging wire 130, and indicate power-switching circuit 211 to adjust further according to the result of pressure drop estimation The d. c. voltage signal Vdc of whole generation and the size of DC current signal Idc, with by charging wire 130 Pressure drop controls below predetermined critical.
Refer to Fig. 3 and Fig. 4, be the different real of adaptability power supply changeover device 110 in Fig. 2 depicted in it Execute the functional block diagram after example simplifies.
In the fig. 3 embodiment, the feeder ear control circuit 219 of adaptability power supply changeover device 110 includes First digital analog converter the 310, second digital analog converter the 320, first feeder ear simulation numeral turns Parallel operation the 330, second feeder ear analog-digital converter 340 and feeder ear digital processing circuit 350.
First digital analog converter 310 is coupled to power-switching circuit 211, for according to the first digital value D1 produces reference current signal Iref, and utilizes reference current signal Iref to control power-switching circuit 211 Adjust the size of DC current signal Idc.Second digital analog converter 320 is coupled to power-switching circuit 211, for producing reference voltage signal Vref according to the second digital value D2, and utilize reference voltage signal Vref controls power-switching circuit 211 and adjusts the size of d. c. voltage signal Vdc.First feeder ear simulation Digital converter 330 is coupled between feeder ear sensing circuit 217 and feeder ear digital processing circuit 350, For output voltage sensing signal Svo is converted into output voltage sensing value Dvo.Second feeder ear simulation Digital converter 340 is coupled between feeder ear sensing circuit 217 and feeder ear digital processing circuit 350, For output current sensing signal Sio being converted into output current sense value Dio.Feeder ear digital processing electricity Road 350 is coupled to communication interface the 213, first digital analog converter 310 and the second digital-to-analogue conversion Device 320, it is possible to calculate feeder ear magnitude of voltage CSV according to output voltage sensing value Dvo, and according to defeated Go out current sense value Dio and calculate feeder ear current value CSI.
Feeder ear control circuit 219 in Fig. 4 embodiment includes aforesaid first digital analog converter 310, second digital analog converter the 320, first feeder ear analog-digital converter 330 and power supply End multiplexer 440, but the connected mode of the first feeder ear analog-digital converter 330 in Fig. 4, Different with the embodiment of earlier figures 3.
In the fig. 4 embodiment, feeder ear multiplexer 440 is coupled to feeder ear sensing circuit 217, And can be according to the control of feeder ear selection signal M1, optionally output output voltage sensing signal Svo Or output current sensing signal Sio.It is many that first feeder ear analog-digital converter 330 is then coupled to feeder ear Between road transducer 440 and feeder ear digital processing circuit 350, for by feeder ear multiplexer 440 Output signal be converted into correspondence feeder ear sensing value Dout.Feeder ear digital processing circuit 350 can Produce feeder ear and select signal M1, to switch the output signal of feeder ear multiplexer 440, and can Feeder ear magnitude of voltage CSV or feeder ear current value CSI is calculated according to feeder ear sensing value Dout.
Such as, when feeder ear multiplexer 440, output voltage sensing signal Svo output is supplied to first During electricity end analog-digital converter 330, feeder ear digital processing circuit 350 can be according to the first feeder ear mould Feeder ear sensing value Dout intending digital converter 330 generation calculates feeder ear magnitude of voltage CSV.When Output current sensing signal Sio output is turned by feeder ear multiplexer 440 to the first feeder ear simulation numeral During parallel operation 330, feeder ear digital processing circuit 350 can be according to the first feeder ear analog-digital converter 330 Feeder ear sensing value Dout produced calculates feeder ear current value CSI.
In adaptability power supply changeover device 110, power-switching circuit 211 may utilize various existing electric current Loop control mechanisms, controls the big of produced DC current signal Idc according to reference current signal Iref Little.Similarly, power-switching circuit 211 may utilize various existing voltage circuit control mechanism, foundation Reference voltage signal Vref controls the size of produced d. c. voltage signal Vdc.It practice, power supply Change-over circuit 211 can only start aforementioned currents loop control mechanisms and voltage circuit control in the same time One of them of mechanism, and close another loop control mechanisms, to simplify the complexity in circuit control.
Data signal DATA that feeder ear digital processing circuit 350 can transmit according to communication interface 213 Content, feeder ear magnitude of voltage CSV and/or feeder ear current value CSI, adjust the first digital value D1 Or the second digital value D2, and produce feeder ear switching signal SW1 to control the switching of output switch 215 Running.
Feeder ear digital processing circuit 350 also can be according to the content of data signal DATA, feeder ear voltage Value CSV and/or feeder ear current value CSI, adjusts the first digital value D1's or the second digital value D2 Value, and then adjust reference voltage signal Vref or the size of reference current signal Iref, with in feeder ear control Circuit 219 processed is internal realizes loop circuit control.Consequently, it is possible to power-switching circuit 211 can be promoted further The DC current signal Idc of output and the accuracy of d. c. voltage signal Vdc.
In certain embodiments, feeder ear digital processing circuit 350 also is able to utilize data signal DATA, Transmit feeder ear magnitude of voltage CSV or feeder ear current value CSI to control to the device end in mobile device 104 Circuit 265.
It practice, also power supply can be arranged between feeder ear digital processing circuit 350 and output switch 215 End drive circuit 360, to drive aforesaid feeder ear switching signal SW1.
Refer to Fig. 5 and Fig. 6, be the different embodiments of charging control circuit 160 in Fig. 2 depicted in it Functional block diagram after simplification.
In the 5 embodiment of figure 5, the device end control circuit 265 of charging control circuit 160 includes first Device end analog-digital converter the 510, second device end analog-digital converter 520 and device terminal number Word processing circuit 530.First device end analog-digital converter 510 is coupled to device end sensing circuit 263, For input voltage sensing signal Svi is converted into corresponding input voltage sensing value Dvi.Second device end Analog-digital converter 520 is coupled to device end sensing circuit 263, for by input current sensing signal Sii is converted into corresponding input current sensing value Dii.Device end digital processing circuit 530 is coupled to device end Adapter 140, input switch 261, first device end analog-digital converter 510 and the second device End analog-digital converter 520, it is possible to calculate device end magnitude of voltage according to input voltage sensing value Dvi DSV, and calculate device end current value DSI according to input current sensing value Dii.
Device end control circuit 265 in Fig. 6 embodiment includes that aforesaid first device end simulation numeral turns Parallel operation 510, device end digital processing circuit 530 and device end multiplexer 620, but in Fig. 6 The connected mode of first device end analog-digital converter 510, with the embodiment of earlier figures 5 the most not With.
In the embodiment in fig 6, device end multiplexer 620 is coupled to device end sensing circuit 263, And can be according to the control of device end selection signal M2, optionally output-input voltage sensing signal Svi Or input current sensing signal Sii.It is many that first device end analog-digital converter 510 is then coupled to device end The outfan of road transducer 620, right for the output signal of device end multiplexer 620 is converted into Device end sensing value Din answered.Device end digital processing circuit 530, it is possible to generator end selects signal M2, with the output signal of switching device end multiplexer 620, and can be according to device end sensing value Din Calculate device end magnitude of voltage DSV or device end current value DSI.
Such as, when device end multiplexer 620, input voltage sensing signal Svi is exported to first device During end analog-digital converter 510, device end control circuit 265 can be according to first device end simulation numeral Device end sensing value Din that transducer 510 produces calculates device end magnitude of voltage DSV.Work as feeder ear Input current sensing signal Sii is exported to first device end analog-digital converter by multiplexer 440 When 510, feeder ear digital processing circuit 350 can produce according to first device end analog-digital converter 510 Device end sensing value Din calculate device end current value DSI.
In charging control circuit 160, device end digital processing circuit 530 is for according to device end voltage DSV or device end current value DSI, generator end switch signal SW2 are to control input switch 261 for value Switching running, thus control charging voltage signal VB and charging current signal IB big of battery 150 Little.
Such as, when device end digital processing circuit 530 is according to device end magnitude of voltage DSV or device end electric current Value DSI judges that charging voltage signal VB/ or charging current signal IB exceedes (or being less than) acceptable model When enclosing, device end digital processing circuit 530 may utilize device end switching signal SW2 to turn off (turn off) Input switch 261.When battery 150 has been completely filled with electricity or charging reaches predeterminated level, device end numeral Process circuit 530 and be possible with device end switching signal SW2 to turn off input switch 261, thus avoid Battery 150 is overcharged.
In certain embodiments, device end digital processing circuit 530 also is able to according to device end magnitude of voltage DSV Or device end current value DSI carries out correlated judgment to produce data signal DATA, or data are utilized to believe Number DATA transporter terminal voltage value DSV or device end current value DSI is to adaptability power supply changeover device Feeder ear control circuit 219 in 110.
When running, device end control circuit 265 also can exceed critical voltage at device end magnitude of voltage DSV During value, or when device end current value DSI exceedes critical electric current value, turn off input switch 261, to protect Protect battery 150 and interlock circuit.
It practice, also device can be arranged between device end digital processing circuit 530 and input switch 261 End drive circuit 540, to drive aforesaid device end switching signal SW2.
The actual operating condition of aforementioned mobile device charging system 100, depend primarily on user demand and Custom, it is therefore possible to because the impact of operating environment, cause alien material (foreign object) to enter The seam of the device end adapter 140 of mobile device 104.Such as, as user, mobile device is charged When system 100 is positioned in clothes pocket, knapsack, handbag or handbag use, in these containers The various alien material such as cotton-wool, hair, textile fabric or other trickle objects in portion or surrounding, Just it is likely to enter the seam of the device end adapter 140 of mobile device 104, and is connected with device end The conductive pin of device 140 contacts.
When aforesaid alien material has electric conductivity, it is possible at the interface of device end adapter 140 Place forms abnormal current path, and causes the situation of leakage current to occur.
Such as, in the case of Fig. 7 is depicted for there is foreign body in aforesaid mobile device charging system 100 Functional block diagram after simplification.As it is shown in fig. 7, because of the conductive pin of some reason Yu device end adapter 140 The alien material 710 contacted, may form abnormal electric current at the seam of device end adapter 140 Path, and cause device end adapter 140 that leakage current Ifb occurs.When leakage current Ifb is excessive, just may be used Can cause device end adapter 140, the lead-out terminal 120 that is connected or adjacent element or other Article produce overheated situation, and cause misgivings for security.
In order to promote safety during charging, aforesaid adaptability power supply changeover device 110 or charging control electricity Road 160 can according on corresponding electric power input path signal (such as, aforesaid signal Vin, Iin, VB, And/or IB) sensing result, dynamically judge between mobile charger 102 and mobile device 104 (such as, at device end adapter 140) abnormal leakage current whether is had to occur in power delivery path, Effectively to guarantee safety during charging.
Hereinafter collocation Fig. 8 is further illustrated the function mode of aforementioned mobile device charging system 100. Fig. 8 is the flow chart after the mobile device charging method simplification of one embodiment of the invention.
Lead-out terminal 120 at mobile charger 102 is coupled to the device end adapter of mobile device 104 After 140, charging control circuit 160 can be counted by charging wire 130 with adaptability power supply changeover device 110 According to communication, to carry out unidirectional or two-way communication.
When charging control circuit 160 needs adaptability power supply changeover device 110 to provide mobile device 104 to carry out During electric power needed for charging, device end control circuit 265 can carry out the flow process 810 in Fig. 8.
In flow process 810, device end control circuit 265 availability data signal DATA transmits relevant finger Show to the feeder ear control circuit 219 in adaptability power supply changeover device 110.Such as, device end control circuit The device end digital processing circuit 530 of 265 can utilize data signal DATA to transmit in flow process 810 Target voltage values VTG and/or target current value ITG are digital to the feeder ear of feeder ear control circuit 219 Process circuit 350.
Then, feeder ear control circuit 219 can carry out flow process 820.
In flow process 820, feeder ear control circuit 219 controllable power change-over circuit 211 produces correspondence D. c. voltage signal Vdc and DC current signal Idc.Such as, the power supply of feeder ear control circuit 219 End digital processing circuit 350 can adjust aforesaid first digital value according to the content of data signal DATA D1 and the second digital value D2, adjusts directly to utilize reference current signal Iref to control power-switching circuit 211 The size of stream current signal Idc, and utilize reference voltage signal Vref control power-switching circuit 211 to adjust The size of whole d. c. voltage signal Vdc.
In flow process 830, charging wire 130 can receive power-switching circuit 211 by communication interface 213 Produce d. c. voltage signal Vdc and DC current signal Idc, with provide output voltage signal Vout and Output current signal Iout is to lead-out terminal 120.
In flow process 840, device end adapter 140 can receive the voltage transmitted by lead-out terminal 120 and Electric current, to form input voltage signal Vin and the input current signal that mobile device 104 is an actually-received Iin。
In flow process 850, device end sensing circuit 263 can sense the signal (example on electric power input path As, aforesaid signal Vin, Iin, VB and/or IB), to produce corresponding sensing result (such as, Aforesaid input voltage sensing signal Svi and/or input current sensing signal Sii).It addition, device end control Circuit 265 processed can calculate corresponding device end electricity according to the sensing result of device end sensing circuit 263 Pressure value DSV and/or device end current value DSI.
Or, also can change by other computing circuits (not illustrating) in mobile device 104 according to device end The sensing result of sensing circuit 263, calculates corresponding device end magnitude of voltage DSV and/or device end electric current Value DSI, then device end digital processing circuit 530 is again from this computing circuit reading device terminal voltage value DSV And/or device end current value DSI.
In flow process 860, feeder ear control circuit 219 or device end control circuit 265 can be according to devices Terminal voltage value DSV dynamically estimates the pressure drop of charging wire 130.
Such as, in one embodiment, the device end digital processing circuit 530 of device end control circuit 265 In flow process 860, the device end magnitude of voltage DSV of the signal on corresponding electric power input path can be passed through data Signal DATA notifies feeder ear control circuit 219.Now, feeder ear control circuit 219 can be according to confession The sensing result (such as, aforesaid output voltage sensing signal Svo) of electricity end sensing circuit 217 calculates Corresponding feeder ear magnitude of voltage CSV, and calculate feeder ear magnitude of voltage CSV and device end magnitude of voltage DSV Between difference, to produce the pressure drop estimated value of charging wire 130.
The most such as, in another embodiment, feeder ear control circuit 219 can be according to supplying in flow process 860 The sensing result of electricity end sensing circuit 217 calculates the feeder ear magnitude of voltage CSV of correspondence, and passes through data Signal DATA is by the device end digital processing of feeder ear magnitude of voltage CSV notice device end control circuit 265 Circuit 530.Now, device end digital processing circuit 530 can calculate feeder ear magnitude of voltage CSV and device Difference between terminal voltage value DSV, to produce the pressure drop estimated value of charging wire 130.
The most such as, in another embodiment, the device end digital processing circuit of device end control circuit 265 530 can calculate between aforesaid target voltage values VTG and device end magnitude of voltage DSV in flow process 860 Difference, to produce the pressure drop estimated value of charging wire 130.
In flow process 870, adaptability power supply changeover device 110 controllable power change-over circuit 211 adjusts directly Stream current signal Idc/ d. c. voltage signal Vdc, controls in predetermined critical with the pressure drop by charging wire 130 Below.
Such as, in certain of the aforementioned pressure drop estimated value being produced charging wire 130 by feeder ear control circuit 219 In a little embodiments, feeder ear control circuit 219 can control power supply according to pressure drop estimated value in flow process 870 Change-over circuit 211 adjusts the big of at least one in DC current signal Idc and d. c. voltage signal Vdc Little, maintain less than predetermined critical with the pressure drop by charging wire 130.
The most such as, at the aforementioned pressure drop estimated value being produced charging wire 130 by device end control circuit 265 In some embodiment, the device end digital processing circuit 530 of device end control circuit 265 can be in flow process According to the adjustment instruction that the generation of pressure drop estimated value is corresponding in 870, and transmit tune by data signal DATA Whole instruction is to feeder ear control circuit 219.Then, feeder ear control circuit 219 can be according to receiving Adjust instruction control power-switching circuit 211 and adjust DC current signal Idc and d. c. voltage signal Vdc In the size of at least one, maintain less than predetermined critical with the pressure drop by charging wire 130.
In flow process 880, feeder ear control circuit 219 or device end control circuit 265 can be according to devices End current value DSI, monitors and judges the power transmission between mobile charger 102 and mobile device 104 Whether abnormal leakage current occurs, such as on path, if having aforementioned because of foreign body 710 exist device end connect The leakage current Ifb of exception throw at device 140.
Such as, in one embodiment, the device end digital processing circuit 530 of device end control circuit 265 Data can be passed through by the device end current value DSI of the signal on corresponding electric power input path in flow process 880 Signal DATA notifies feeder ear control circuit 219.Now, feeder ear control circuit 219 can be according to confession The sensing result (such as, aforesaid output current sensing signal Sio) of electricity end sensing circuit 217 calculates Corresponding feeder ear current value CSI, and utilize feeder ear digital processing circuit 350 to compare feeder ear current value CSI and device end current value DSI.If feeder ear current value CSI is more than device end current value DSI more than one Predetermined value, then feeder ear digital processing circuit 350 deducibility is now at mobile charger 102 and mobile dress Put and abnormal electric leakage occurs (such as, at device end adapter 140) in the power delivery path between 104 Stream.
The most such as, in another embodiment, feeder ear control circuit 219 can be according to supplying in flow process 880 The sensing result of electricity end sensing circuit 217 calculates the feeder ear current value CSI of correspondence, and is believed by data Feeder ear current value CSI is notified device end control circuit 265 by number DATA.Now, device end controls The device end digital processing circuit 530 of circuit 265 may compare feeder ear current value CSI and device end electric current Value DSI.If feeder ear current value CSI more than device end current value DSI more than a predetermined value, then device Hold digital processing circuit 530 deducibility electricity now between mobile charger 102 and mobile device 104 Abnormal leakage current occurs (such as, at device end adapter 140) on power transport path.
The most such as, in another embodiment, the device end digital processing circuit of device end control circuit 265 530 can compare aforesaid target current value ITG and device end current value DSI in flow process 880.If target Current value ITG more than device end current value DSI more than a predetermined value, then device end digital processing circuit 530 In deducibility now power delivery path between mobile charger 102 and mobile device 104 (such as, At device end adapter 140) abnormal leakage current occurs.
When mobile device charging system 100 is inferred now at mobile charger in aforesaid flow process 880 Abnormal leakage current occurs in the power delivery path between 102 and mobile device 104, then can carry out flow process 890；Otherwise, then can be made back to aforesaid flow process 850, continue the signal on monitoring electric power input path.
In flow process 890, in order to avoid causing danger, adaptability power supply changeover device because of aforesaid leakage current 110 can turn off output switch 215 or control power-switching circuit 211 downgrade DC current signal Idc/ direct current Voltage signal Vdc, to reduce output voltage signal Vout/ output current signal Iout, thus reduces or disappears Except leakage current.
Such as, in aforementioned some embodiment being judged whether by feeder ear control circuit 219 and leakage current occurring In, feeder ear digital processing circuit 350 can adjust feeder ear switching signal SW1 to close in flow process 890 Break output switch 215, or control power-switching circuit 211 downgrades DC current signal Idc and DC voltage The size of at least one in signal Vdc, to reduce output voltage signal Vout and output current signal Iout In the size of at least one.
The most such as, judged whether that some leakage current occur is implemented aforementioned by device end control circuit 265 In example, device end digital processing circuit 530 can produce in flow process 890 and downgrade instruction, and passes through data Signal DATA transmits and downgrades instruction to feeder ear control circuit 219.Feeder ear digital processing circuit 350 Instruction can be downgraded according to what device end control circuit 265 transmitted, adjust feeder ear switching signal SW1 to close Break output switch 215, or control power-switching circuit 211 downgrades DC current signal Idc and DC voltage The size of at least one in signal Vdc, to reduce output voltage signal Vout and output current signal Iout In the size of at least one.
Refer to Fig. 9 and Figure 10.Fig. 9 is the mobile device charging system 900 of another embodiment of the present invention Schematic diagram after simplification.Figure 10 is the functional block diagram after the mobile device charging system 900 in Fig. 9 simplifies.
Mobile device charging system 900 is much like with aforesaid mobile device charging system 100, but mobile Mobile charger 902 in apparatus charging system 900 also includes extra receiving terminal 920 and power supply Terminal adapter 940.
As shown in Figure 10, feeder ear adapter 940 is coupled to the communication of adaptability power supply changeover device 110 and connects Mouth 213, and can removably connect receiving terminal 920.Charging wire in mobile charger 902 130 are coupled between receiving terminal 920 and lead-out terminal 120, and by receiving terminal 920, confession Terminal connector 940 and communication interface 213, receive DC voltage produced by power-switching circuit 211 Signal Vdc and DC current signal Idc.
In other words, in mobile device charging system 900, charging wire 130 not turns with adaptability power supply Parallel operation 110 is directly connected, but by receiving terminal 920 and feeder ear adapter 940 and adaptability electricity Source converter 110 is indirectly connected with.Therefore, charging wire 130 with both adaptability power supply changeover devices 110 is Can be separate, rather than be fixed together.
The annexation of other elements in aforementioned relevant Fig. 1 to Fig. 8 embodiment, embodiment, running Mode and associated advantages etc. illustrate, are also applicable to the embodiment of Fig. 9 Yu Figure 10.For simplicity's sake, The not repeated description at this.
Identical with aforesaid mobile device charging system 100, due in running gear charging system 900 Feeder ear control circuit 219 or device end control circuit 265 dynamically estimate the pressure drop of charging wire 130, And according to estimation result indicate further adaptability power supply changeover device 110 adjust produce DC current and/or The size of DC voltage, controls below predetermined critical with the pressure drop by charging wire 130.Therefore, i.e. The charging wire that original charging wire 130 is replaced with other specifications is made to come and adaptability power supply changeover device 110 Collocation uses, and can guarantee that mobile charger 902 is supplied to voltage and the size of current of mobile device 104 Can be maintained in safe scope, the abnormal problem that charging wire is overheated will not occur because changing charging wire.
Consequently, it is possible to the charging wire that user just can use other specifications according to need instead comes and adaptability Power convert Device 110 collocation uses.Such as, original charging wire 130 can be replaced to the charging that length is longer by user Line, the charging wire that bigger electric current can be loaded or the charging wire that other materials is relatively reliable.
It is clear that the framework of aforementioned mobile device charging system 900 can give user changes charging wire 130 Elasticity, the most therefore greatly improve adaptability power supply changeover device 110 use on convenience and application model Enclose.
It addition, it is identical with aforesaid mobile device charging system 100, in mobile device charging system 900 Feeder ear control circuit 219 or device end control circuit 265 dynamically judge at mobile charger 102 And whether there is abnormal leakage current to occur in the power delivery path between mobile device 104.Therefore, when Foreign body occurs at device end adapter 140 or when causing leakage current at feeder ear adapter 940, moves Dynamic apparatus charging system 900 can carry out aforesaid flow process 890, utilizes adaptability power supply changeover device 110 to close Disconnected output switch 215 or control power-switching circuit 211 downgrade DC current signal Idc/ d. c. voltage signal Vdc, to reduce output voltage signal Vout/ output current signal Iout, thus reduces or eliminates leakage current.
From preceding description, mobile charger 102 and 902 can supply bigger output current signal Iout To mobile device 104, therefore can effectively accelerate the speed that mobile device 104 is charged.
Further, since adaptability power supply changeover device 110 can be suitable according to the instruction of charging control circuit 160 Adjust to answering property d. c. voltage signal Vdc and the size of DC current signal Idc of generation, therefore can be used to Different types of mobile device is charged, has and be quite widely applied elasticity.
Furthermore, due to aforesaid adaptability power supply changeover device 110 or charging control circuit 160 dynamically Estimate the pressure drop of charging wire 130 and automatically carry out adaptive processes, so that the pressure drop of charging wire 130 is controlled Below predetermined critical, therefore user can be allowed to use the charging wire of different size, and then improve charging wire Select elastic and that promote aforementioned mobile charger 102 and 902 safety in utilization, convenience and application Scope.
In addition, aforesaid adaptability power supply changeover device 110 or charging control circuit 160 also can be automatic Judge whether exception occurs in the power delivery path between mobile charger 102 and mobile device 104 Leakage current, and carry out corresponding position and put, therefore safety when can effectively guarantee charging, reduce and use big electric current Danger during quick charge.
Note that the flow performing order simply exemplary embodiment in earlier figures 8, rather than limitation is originally The actual embodiment of invention.Such as, flow process 880 and 890 also can be adjusted to the advance of flow process 860 OK.In certain embodiments, flow process 880 and 890 can be omitted but retain flow process 660 and 670.In portion Divide in embodiment, then flow process 860 and 870 can be omitted but retain flow process 880 and 890.
It addition, in certain embodiments can by aforesaid output switch 215, feeder ear sensing circuit 217, Feeder ear drive circuit 360 and/or device end drive circuit 540 omit, multiple to simplify relevant circuit Miscellaneous degree.It addition, in the embodiment omitting feeder ear sensing circuit 217, also can be by earlier figures 3 and Fig. 4 In first feeder ear analog-digital converter the 330, second feeder ear analog-digital converter 340 and Feeder ear multiplexer 440 omits in the lump, to simplify circuit complexity further.
Some vocabulary is employed to censure specific element in specification and claims, and this area Technical staff may call same element with different nouns.This specification and claims book In the way of the difference by title is not used as distinguishing element, but make with element difference functionally For the benchmark distinguished." including " mentioned in specification and claims is open term, Should be construed to " including but not limited to ".It addition, " coupling " word include at this any directly and The connection means connect.Therefore, if the first element is coupled to the second element described in literary composition, then first yuan is represented Part can by being electrically connected with or being wirelessly transferred, the signal connected mode such as optical delivery and be attached directly to the Two element, or by other element or connection means indirectly electrically or signal is connected to the second element.
The describing mode of "and/or" used herein, including cited one of them or multiple project Combination in any.It addition, unless specialized in description, the term of the most any odd number lattice is all simultaneously Implication including plural number lattice.
" voltage signal " in specification and claims, can use voltage form or electricity actually Streamed realize." current signal " in specification and claims, the most also can electricity consumption Swaging formula or current forms realize.
The foregoing is only the preferred embodiments of the present invention, all equivalents done according to the claims in the present invention become Change and revise, all should belong to the covering scope of the present invention.

Claims (50)

1. a mobile device charging system (100；900), including:
Mobile charger (102；902), this mobile charger (102；902) including:
Power-switching circuit (211), for by power supply voltage signal (Vs) and power current signal (Is) d. c. voltage signal (Vdc) and DC current signal (Idc) it are converted into；
Communication interface (213), is used for transmitting data signal (DATA), and it is straight to export this Stream voltage signal (Vdc) and this DC current signal (Idc), and this power-switching circuit (211) And between this communication interface (213), there is electric power outgoing route；
Output switch (215), is positioned on this electric power outgoing route；
Feeder ear sensing circuit (217), for sensing the signal (Vdc on this electric power outgoing route； Idc)；
Feeder ear control circuit (219), is coupled to this power-switching circuit (211) and communicates with this Interface (213), is used for receiving this data signal (DATA), and can control this Power convert Circuit (211) and the running of this output switch (215)；
Lead-out terminal (120)；And
Charging wire (130), be coupled in this communication interface (213) and this lead-out terminal (120) it Between, it is used for transmitting this data signal (DATA), and is able to receive that this d. c. voltage signal (Vdc) With this DC current signal (Idc), with provide output voltage signal (Vout) and output electric current letter Number (Iout) to this lead-out terminal (120)；And
Mobile device (104), this mobile device (104) including:
Device end adapter (140), it is possible to removably connect this lead-out terminal (120), To receive the voltage and electric current transmitted by this lead-out terminal (120)；
Have between battery (150), and this device end adapter (140) and this battery (150) Electric power input path；
Input switch (261), is positioned on this electric power input path；
Device end sensing circuit (263), for sensing the signal (Vin on this electric power input path； Iin；VB；IB)；And
Device end control circuit (265), is coupled to this device end adapter (140), this input Switch (261) and this device end sensing circuit (263), be used for controlling this input switch (261) Switching running, and can produce and by this device end adapter (140), this charging wire (130), This data signal (DATA) is transmitted to this feeder ear control circuit (219) with this communication interface (213), And this feeder ear control circuit (219) can be controlled according to the content of this data signal (DATA) Make this power-switching circuit (211) and adjust this DC current signal (Idc) and this d. c. voltage signal (Vdc) size of at least one in, controls predetermined with the pressure drop by this charging wire (130) Below marginal value.
2. mobile device charging system (100 as claimed in claim 1；900), wherein, this device End control circuit (265) can be by inputting the signal (Vin on path by electric power；Iin；VB；IB) Device end magnitude of voltage (DSV), notify this feeder ear control circuit by this data signal (DATA) (219), and this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) Sensing result calculates the feeder ear magnitude of voltage (CSV) of correspondence, and calculates this feeder ear magnitude of voltage (CSV) And the difference between this device end magnitude of voltage (DSV), to produce the pressure drop estimation of this charging wire (130) Value；
Wherein, this feeder ear control circuit (219) can control this power supply turn according to this pressure drop estimated value Change circuit (211) and adjust in this DC current signal (Idc) and this d. c. voltage signal (Vdc) extremely The size of few one, maintains less than this predetermined critical with the pressure drop by this charging wire (130).
3. mobile device charging system (100 as claimed in claim 2；900), wherein, this device End control circuit (265) can be according to this device end sensing circuit (263) on this electric power input path Signal (Vin；Iin；VB；IB) sensing result calculates this device end magnitude of voltage (DSV), Or read this device end magnitude of voltage (DSV) from other circuit.
4. mobile device charging system (100 as claimed in claim 1；900), wherein, this power supply It is right that end control circuit (219) can calculate according to the sensing result of this feeder ear sensing circuit (217) The feeder ear magnitude of voltage (CSV) answered, and by this data signal (DATA) by this feeder ear magnitude of voltage (CSV) notify this device end control circuit (265), and this device end control circuit (265) can Calculate this feeder ear magnitude of voltage (CSV) and to inputting the signal (Vin on path by electric power；Iin；VB； IB) the difference between device end magnitude of voltage (DSV), estimates producing the pressure drop of this charging wire (130) Measured value；
Wherein, this device end control circuit (265) can produce corresponding adjustment according to this pressure drop estimated value Instruction, and by this data signal (DATA) transmit this adjustment indicate to this feeder ear control circuit (219), And this feeder ear control circuit (219) can control this power-switching circuit (211) according to this adjustment instruction Adjust the size of at least one in this DC current signal (Idc) and this d. c. voltage signal (Vdc), Maintain less than this predetermined critical with the pressure drop by this charging wire (130).
5. mobile device charging system (100 as claimed in claim 4；900), wherein, this device End control circuit (265) can be according to this device end sensing circuit (263) on this electric power input path Signal (Vin；Iin；VB；IB) sensing result calculates this device end magnitude of voltage (DSV), Or read this device end magnitude of voltage (DSV) from other circuit.
6. mobile device charging system (100 as claimed in claim 1；900), wherein, this device End control circuit (265) can calculate target voltage values (VTG) and to inputting on path by electric power Signal (Vin；Iin；VB；IB) the difference between device end magnitude of voltage (DSV), is somebody's turn to do to produce The pressure drop estimated value of charging wire (130)；
Wherein, this device end control circuit (265) can produce corresponding adjustment according to this pressure drop estimated value Instruction, and by this data signal (DATA) transmit this adjustment indicate to this feeder ear control circuit (219), And this feeder ear control circuit (219) can control this power-switching circuit (211) according to this adjustment instruction Adjust the size of at least one in this DC current signal (Idc) and this d. c. voltage signal (Vdc), Maintain less than this predetermined critical with the pressure drop by this charging wire (130).
7. mobile device charging system (100 as claimed in claim 6；900), wherein, this device End control circuit (265) can be according to this device end sensing circuit (263) on this electric power input path Signal (Vin；Iin；VB；IB) sensing result calculates this device end magnitude of voltage (DSV), Or read this device end magnitude of voltage (DSV) from other circuit.
8. mobile device charging system (100 as claimed in claim 1；900), wherein, this device End control circuit (265) can be by inputting the signal (Vin on path by electric power；Iin；VB；IB) Device end current value (DSI), notify this feeder ear control circuit by this data signal (DATA) (219), and this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) Sensing result calculates the feeder ear current value (CSI) of correspondence, and compares this feeder ear current value (CSI) With this device end current value (DSI)；
Wherein, if this feeder ear current value (CSI) is pre-more than one more than this device end current value (DSI) Definite value, then this feeder ear control circuit (219) can turn off this output switch (215), or controls to be somebody's turn to do Power-switching circuit (211) downgrades this DC current signal (Idc) and this d. c. voltage signal (Vdc) In the size of at least one, to reduce this output voltage signal (Vout) and this output current signal (Iout) In the size of at least one.
9. mobile device charging system (100 as claimed in claim 8；900), wherein, this device End control circuit (265) can be according to this device end sensing circuit (263) on this electric power input path Signal (Vin；Iin；VB；IB) sensing result calculates this device end current value (DSI), or It is to read this device end current value (DSI) from other circuit.
10. mobile device charging system (100 as claimed in claim 1；900), wherein, this confession Electricity end control circuit (219) can calculate according to the sensing result of this feeder ear sensing circuit (217) Corresponding feeder ear current value (CSI), and by this data signal (DATA) by this feeder ear electric current Value (CSI) notifies this device end control circuit (265), and this device end control circuit (265) can Compare this feeder ear current value (CSI) and to inputting the signal (Vin on path by electric power；Iin；VB； IB) device end current value (DSI)；
Wherein, if this feeder ear current value (CSI) is pre-more than one more than this device end current value (DSI) Definite value, then this device end control circuit (265) can produce and downgrade instruction, and by this data signal (DATA) transmit this downgrade instruction to this feeder ear control circuit (219), and this feeder ear control electricity Road (219) can downgrade instruction according to this and turn off this output switch (215), or controls this Power convert Circuit (211) downgrades in this DC current signal (Idc) and this d. c. voltage signal (Vdc) at least The size of one, to reduce in this output voltage signal (Vout) and this output current signal (Iout) The size of at least one.
11. mobile device charging systems (100 as claimed in claim 10；900), wherein, this dress Put end control circuit (265) and according to this device end sensing circuit (263), this electric power can be inputted path On signal (Vin；Iin；VB；IB) sensing result calculates this device end current value (DSI), Or read this device end current value (DSI) from other circuit.
12. mobile device charging systems (100 as claimed in claim 1；900), wherein, this dress Put end control circuit (265) can comparison object current value (ITG) with to should electric power input path on Signal (Vin；Iin；VB；IB) device end current value (DSI)；
Wherein, if this target current value (ITG) is predetermined more than one more than this device end current value (DSI) Value, then this device end control circuit (265) can produce and downgrade instruction, and by this data signal (DATA) Transmit this and downgrade instruction to this feeder ear control circuit (219), and this feeder ear control circuit (219) Instruction can be downgraded according to this and turn off this output switch (215), or control this power-switching circuit (211) Downgrade the size of at least one in this DC current signal (Idc) and this d. c. voltage signal (Vdc), To reduce at least one big in this output voltage signal (Vout) and this output current signal (Iout) Little.
13. mobile device charging systems (100 as claimed in claim 12；900), wherein, this dress Put end control circuit (265) and according to this device end sensing circuit (263), this electric power can be inputted path On signal (Vin；Iin；VB；IB) sensing result calculates this device end current value (DSI), Or read this device end current value (DSI) from other circuit.
14. mobile device charging systems (100 as claimed in claim 1；900), wherein, this confession Electricity end control circuit (219) can produce reference voltage according to the content of this data signal (DATA) Signal (Vref) and reference current signal (Iref), and it is utilized respectively this reference voltage signal (Vref) And this reference current signal (Iref) controls this power-switching circuit (211) and adjusts this DC voltage letter Number (Vdc) and the size of this DC current signal (Idc).
15. mobile device charging systems (100 as claimed in claim 1；900), wherein, this dress Putting end control circuit (265) can be to inputting the signal (Vin on path by electric power；Iin；VB； IB) when device end magnitude of voltage (DSV) is more than a critical voltage value, or to inputting by electric power Signal (Vin on path；Iin；VB；IB) device end current value (DSI) is more than a critical current During value, turn off this input switch (261).
The 16. mobile device charging systems (900) as according to any one of claim 1 to 15, its In, this mobile charger (902) separately includes:
Receiving terminal (920)；And
Feeder ear adapter (940), is coupled to this communication interface (213), and can be with removable side Formula connects this receiving terminal (920)；
Wherein, this charging wire (130) is coupled to this receiving terminal (920) and this lead-out terminal (120) Between, and by this receiving terminal (920), this feeder ear adapter (940) and this communication interface (213) this d. c. voltage signal (Vdc) and this DC current signal (Idc), are received.
17. 1 kinds are used for mobile charger (102；902) the adaptability power supply changeover device (110) in, Wherein, this mobile charger (102；902) for mobile device (104) is charged, and include Lead-out terminal (120) and charging wire (130), this charging wire (130) couples this lead-out terminal (120), For transmitting data signal (DATA), and it is able to receive that d. c. voltage signal (Vdc) and DC current Signal (Idc), to provide output voltage signal (Vout) and output current signal (Iout) to this output Terminal (120), this mobile device (104) includes device end adapter (140) and battery (150), This device end adapter (140) can removably connect this lead-out terminal (120), to receive The voltage transmitted by this lead-out terminal (120) and electric current, and this device end adapter (140) and this electricity Having electric power input path between pond (150), this adaptability power supply changeover device (110) including:
Power-switching circuit (211), for by power supply voltage signal (Vs) and power current signal (Is) It is converted into this d. c. voltage signal (Vdc) and this DC current signal (Idc)；
Communication interface (213), is used for transmitting this data signal (DATA), and can export this direct current Voltage signal (Vdc) and this DC current signal (Idc) are to this charging wire (130), and this power supply turns Change, between circuit (211) and this communication interface (213), there is electric power outgoing route；And
Feeder ear control circuit (219), is coupled to this power-switching circuit (211) and this communication interface (213), it is used for receiving this data signal (DATA), and this power-switching circuit (211) can be controlled Running；
Wherein, this mobile device (104) can be according to the signal (Vin on this electric power input path；Iin； VB；IB) sensing result, by this device end adapter (140), this charging wire (130) and This communication interface (213) transmits this data signal (DATA) to this feeder ear control circuit (219), And this feeder ear control circuit (219) can control this electricity according to the content of this data signal (DATA) Power-switching circuit (211) adjusts in this DC current signal (Idc) and this d. c. voltage signal (Vdc) The size of at least one, control below predetermined critical with the pressure drop by this charging wire (130).
18. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Feeder ear sensing circuit (217), is coupled to this feeder ear control circuit (219), is used for sensing Signal (Vdc on this electric power outgoing route；Idc)；
Wherein, this mobile device (104) can be by inputting the signal (Vin on path by electric power；Iin； VB；IB) device end magnitude of voltage (DSV), notifies this power supply by this data signal (DATA) End control circuit (219), and this feeder ear control circuit (219) can be according to this feeder ear sensing electricity The sensing result on road (217) calculates the feeder ear magnitude of voltage (CSV) of correspondence, and calculates this feeder ear Difference between magnitude of voltage (CSV) and this device end magnitude of voltage (DSV), to produce this charging wire (130) Pressure drop estimated value；
Wherein, this feeder ear control circuit (219) can control this power supply turn according to this pressure drop estimated value Change circuit (211) and adjust in this DC current signal (Idc) and this d. c. voltage signal (Vdc) extremely The size of few one, maintains less than this predetermined critical with the pressure drop by this charging wire (130).
19. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Feeder ear sensing circuit (217), is coupled to this feeder ear control circuit (219), is used for sensing Signal (Vdc on this electric power outgoing route；Idc)；
Wherein, this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) Sensing result calculates the feeder ear magnitude of voltage (CSV) of correspondence, and by this data signal (DATA) This feeder ear magnitude of voltage (CSV) is notified this mobile device (104), and this mobile device (104) This feeder ear magnitude of voltage (CSV) can be calculated and to inputting the signal (Vin on path by electric power；Iin； VB；IB) the difference between device end magnitude of voltage (DSV), to produce the pressure of this charging wire (130) Fall estimated value；
Wherein, this mobile device (104) can produce corresponding adjustment instruction according to this pressure drop estimated value, And by this data signal (DATA) transmit this adjustment indicate to this feeder ear control circuit (219), And this feeder ear control circuit (219) can control this power-switching circuit (211) according to this adjustment instruction Adjust the size of at least one in this DC current signal (Idc) and this d. c. voltage signal (Vdc), Maintain less than this predetermined critical with the pressure drop by this charging wire (130).
20. adaptability power supply changeover devices (110) as claimed in claim 17, wherein, this moves dress Put (104) and target voltage values (VTG) can be calculated and to inputting the signal (Vin on path by electric power； Iin；VB；IB) the difference between device end magnitude of voltage (DSV), to produce this charging wire (130) Pressure drop estimated value；
Wherein, this mobile device (104) can produce corresponding adjustment instruction according to this pressure drop estimated value, And by this data signal (DATA) transmit this adjustment indicate to this feeder ear control circuit (219), And this feeder ear control circuit (219) can control this power-switching circuit (211) according to this adjustment instruction Adjust the size of at least one in this DC current signal (Idc) and this d. c. voltage signal (Vdc), Maintain less than this predetermined critical with the pressure drop by this charging wire (130).
21. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Feeder ear sensing circuit (217), is coupled to this feeder ear control circuit (219), is used for sensing Signal (Vdc on this electric power outgoing route；Idc)；
Wherein, this mobile device (104) can be by inputting the signal (Vin on path by electric power；Iin； VB；IB) device end current value (DSI), notifies this feeder ear by this data signal (DATA) Control circuit (219), and this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) sensing result calculates the feeder ear current value (CSI) of correspondence, and compares this feeder ear electricity Flow valuve (CSI) and this device end current value (DSI)；
Wherein, if this feeder ear current value (CSI) is pre-more than one more than this device end current value (DSI) Definite value, then this feeder ear control circuit (219) can control this power-switching circuit (211) and downgrades this The size of at least one in DC current signal (Idc) and this d. c. voltage signal (Vdc), with fall The size of at least one in low this output voltage signal (Vout) and this output current signal (Iout).
22. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Output switch (215), is positioned on this electric power outgoing route, and is controlled by this feeder ear control circuit (219)；And
Feeder ear sensing circuit (217), is coupled to this feeder ear control circuit (219), is used for sensing Signal (Vdc on this electric power outgoing route；Idc)；
Wherein, this mobile device (104) can be by inputting the signal (Vin on path by electric power；Iin； VB；IB) device end current value (DSI), notifies this feeder ear by this data signal (DATA) Control circuit (219), and this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) sensing result calculates the feeder ear current value (CSI) of correspondence, and compares this feeder ear electricity Flow valuve (CSI) and this device end current value (DSI), and if this feeder ear current value (CSI) is more than being somebody's turn to do Device end current value (DSI) is more than a predetermined value, then this feeder ear control circuit (219) can turn off This output switch (215), to reduce this output voltage signal (Vout) and this output current signal (Iout) In the size of at least one.
23. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Feeder ear sensing circuit (217), is coupled to this feeder ear control circuit (219), is used for sensing Signal (Vdc on this electric power outgoing route；Idc)；
Wherein, this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) Sensing result calculates the feeder ear current value (CSI) of correspondence, and by this data signal (DATA) This feeder ear current value (CSI) is notified this mobile device (104), and this mobile device (104) energy Enough compare this feeder ear current value (CSI) and to inputting the signal (Vin on path by electric power；Iin； VB；IB) device end current value (DSI)；
Wherein, if this feeder ear current value (CSI) is pre-more than one more than this device end current value (DSI) Definite value, then this mobile device (104) can produce and downgrade instruction, and by this data signal (DATA) Transmit this and downgrade instruction to this feeder ear control circuit (219), and this feeder ear control circuit (219) Instruction this power-switching circuit of control (211) can be downgraded according to this and downgrade this DC current signal (Idc) With the size of at least one in this d. c. voltage signal (Vdc), to reduce this output voltage signal (Vout) With the size of at least one in this output current signal (Iout).
24. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Output switch (215), is positioned on this electric power outgoing route, and is controlled by this feeder ear control circuit (219)；And
Feeder ear sensing circuit (217), is coupled to this feeder ear control circuit (219), is used for sensing Signal (Vdc on this electric power outgoing route；Idc)；
Wherein, this feeder ear control circuit (219) can be according to this feeder ear sensing circuit (217) Sensing result calculates the feeder ear current value (CSI) of correspondence, and by this data signal (DATA) This feeder ear current value (CSI) is notified this mobile device (104), and this mobile device (104) energy Enough compare this feeder ear current value (CSI) and to inputting the signal (Vin on path by electric power；Iin； VB；IB) device end current value (DSI), if this feeder ear current value (CSI) is more than this device end Current value (DSI) is more than a predetermined value, then this mobile device (104) can produce and downgrade instruction, and By this data signal (DATA) transmit this downgrade instruction to this feeder ear control circuit (219), and This feeder ear control circuit (219) can downgrade instruction according to this and turn off this output switch (215), with Reduce the size of at least one in this output voltage signal (Vout) and this output current signal (Iout).
25. adaptability power supply changeover devices (110) as claimed in claim 17, wherein, this moves dress Put (104) can comparison object current value (ITG) with to should electric power input path on signal (Vin； Iin；VB；IB) device end current value (DSI)；
Wherein, if this target current value (ITG) is predetermined more than one more than this device end current value (DSI) Value, then this mobile device (104) can produce and downgrade instruction, and by this data signal (DATA) Transmit this and downgrade instruction to this feeder ear control circuit (219), and this feeder ear control circuit (219) Instruction this power-switching circuit of control (211) can be downgraded according to this and downgrade this DC current signal (Idc) With the size of at least one in this d. c. voltage signal (Vdc), to reduce this output voltage signal (Vout) With the size of at least one in this output current signal (Iout).
26. adaptability power supply changeover devices (110) as claimed in claim 17, it separately includes:
Output switch (215), is positioned on this electric power outgoing route, and is controlled by this feeder ear control circuit (219)；
Wherein, this mobile device (104) can comparison object current value (ITG) with to should electric power defeated Enter the signal (Vin on path；Iin；VB；IB) device end current value (DSI), if this target electricity Flow valuve (ITG) more than this device end current value (DSI) more than a predetermined value, then this mobile device (104) Can produce and downgrade instruction, and by this data signal (DATA) transmit this downgrade instruction to this feeder ear Control circuit (219), and this feeder ear control circuit (219) can downgrade instruction shutoff according to this and be somebody's turn to do Output switch (215), to reduce this output voltage signal (Vout) and this output current signal (Iout) In the size of at least one.
27. adaptability power supply changeover devices (110) as claimed in claim 17, wherein, this feeder ear Control circuit (219) can produce reference voltage signal according to the content of this data signal (DATA) And reference current signal (Iref), and be utilized respectively this reference voltage signal (Vref) and should (Vref) Reference current signal (Iref) controls this power-switching circuit (211) and adjusts this d. c. voltage signal (Vdc) And the size of this DC current signal (Idc).
28. adaptability power supply changeover devices (110) as claimed in claim 27, wherein, this feeder ear Control circuit (219) including:
First digital analog converter (310), is coupled to this power-switching circuit (211), is used for depending on Produce this reference current signal (Iref) according to the first digital value (D1), and utilize this reference current signal (Iref) Control this power-switching circuit (211) and adjust the size of this DC current signal (Idc)；
Second digital analog converter (320), is coupled to this power-switching circuit (211), is used for depending on Produce this reference voltage signal (Vref) according to the second digital value (D2), and utilize this reference voltage signal (Vref) control this power-switching circuit (211) and adjust the size of this d. c. voltage signal (Vdc)； And
Feeder ear digital processing circuit (350), is coupled to this communication interface (213), this first numeral Analog converter (310) and this second digital analog converter (320), for connecing according to this communication The content of this data signal (DATA) that mouthful (213) are transmitted, adjust this first digital value (D1) and At least one in this second digital value (D2).
29. adaptability power supply changeover devices (110) as claimed in claim 28, it separately includes:
Feeder ear sensing circuit (217), for sensing the signal (Vdc on this electric power outgoing route；Idc), To produce output voltage sensing signal (Svo) and output current sensing signal (Sio)；
Wherein, this feeder ear control circuit (219) separately includes:
First feeder ear analog-digital converter (330), is coupled to this feeder ear sensing circuit (217) And between this feeder ear digital processing circuit (350), for by this output voltage sensing signal (Svo) It is converted into output voltage sensing value (Dvo)；And
Second feeder ear analog-digital converter (340), is coupled to this feeder ear sensing circuit (217) And between this feeder ear digital processing circuit (350), for this output current sensing signal (Sio) is turned Change output current sense value (Dio) into；
Wherein, this feeder ear digital processing circuit (350) can also be according to this output voltage sensing value (Dvo) Calculate feeder ear magnitude of voltage (CSV), calculate feeder ear according to this output current sense value (Dio) Current value (CSI), and according to this feeder ear magnitude of voltage (CSV) and this feeder ear current value (CSI) Adjust this first digital value (D1) or this second digital value (D2).
30. adaptability power supply changeover devices (110) as claimed in claim 29, it separately includes:
Output switch (215), is positioned on this electric power outgoing route, is controlled by this feeder ear digital processing electricity Road (350)；
Wherein, this feeder ear digital processing circuit (350) can turn off this output switch (215), with Reduce the size of at least one in this output voltage signal (Vout) and this output current signal (Iout).
31. adaptability power supply changeover devices (110) as claimed in claim 28, it separately includes:
Feeder ear sensing circuit (217), for sensing the signal (Vdc on this electric power outgoing route；Idc), To produce output voltage sensing signal (Svo) and output current sensing signal (Sio)；
Wherein, this feeder ear control circuit (219) separately includes:
Feeder ear multiplexer (440), is coupled to this feeder ear sensing circuit (217), and can Select the control of signal (M1) according to feeder ear, optionally export this output voltage sensing signal (Svo) Maybe this output current sensing signal (Sio)；And
First feeder ear analog-digital converter (330), is coupled to this feeder ear multiplexer (440) And between this feeder ear digital processing circuit (350), for by this feeder ear multiplexer (440) Output signal be converted into correspondence feeder ear sensing value (Dout)；
Wherein, this feeder ear digital processing circuit (350) can produce this feeder ear and select signal (M1), And feeder ear magnitude of voltage (CSV) or feeder ear can be calculated according to this feeder ear sensing value (Dout) Current value (CSI), and according to this feeder ear magnitude of voltage (CSV) and this feeder ear current value (CSI) Adjust this first digital value (D1) or this second digital value (D2).
32. adaptability power supply changeover devices (110) as claimed in claim 31, it separately includes:
Output switch (215), is positioned on this electric power outgoing route, is controlled by this feeder ear digital processing electricity Road (350)；
Wherein, this feeder ear digital processing circuit (350) can turn off this output switch (215), with Reduce the size of at least one in this output voltage signal (Vout) and this output current signal (Iout).
33. adaptability power supply changeover devices (110) as claimed in claim 28, wherein, this feeder ear This data signal (DATA) that can utilize digital processing circuit (350) transmits exporting road by electric power Signal (Vdc on footpath；Idc) feeder ear magnitude of voltage (CSV) or feeder ear current value (CSI) are extremely This mobile device (104).
The 34. adaptability power supply changeover devices (110) as according to any one of claim 17 to 33, its In, this mobile charger (902) separately includes:
Receiving terminal (920)；And
Feeder ear adapter (940), is coupled to this communication interface (213), and can be with removable side Formula connects this receiving terminal (920)；
Wherein, this charging wire (130) is coupled to this receiving terminal (920) and this lead-out terminal (120) Between, and by this receiving terminal (920), this feeder ear adapter (940) and this communication interface (213) this d. c. voltage signal (Vdc) and this DC current signal (Idc), are received.
35. 1 kinds of charging control circuits (160) in mobile device (104), wherein, this shifting Dynamic device (104) can pass through mobile charger (102；902) it is charged, this mobile charger (102； 902) adaptability power supply changeover device (110), lead-out terminal (120) and charging wire (130) are included, This adaptability power supply changeover device (110) includes power-switching circuit (211) and communication interface (213), This power-switching circuit (211) is for turning power supply voltage signal (Vs) with power current signal (Is) Changing d. c. voltage signal (Vdc) and DC current signal (Idc) into, this communication interface (213) is used for Transmission data signal (DATA), and this d. c. voltage signal (Vdc) and this DC current can be exported Between signal (Idc), and this power-switching circuit (211) and this communication interface (213), there is electric power Outgoing route, this charging wire (130) is coupled in this adaptability power supply changeover device (110) and this outfan Between son (120), it is used for transmitting this data signal (DATA), and is able to receive that this DC voltage is believed Number (Vdc) and this DC current signal (Idc), to provide output voltage signal (Vout) and output To this lead-out terminal (120), this mobile device (104), current signal (Iout) includes that device end connects Device (140) and battery (150), this device end adapter (140) can removably connect this Lead-out terminal (120), to receive the voltage and electric current transmitted by this lead-out terminal (120), and this dress Putting and have electric power input path between terminal adapter (140) and this battery (150), this charging controls electricity Road (160) including:
Input switch (261), is positioned on this electric power input path；And
Device end control circuit (265), is coupled to this device end adapter (140) and this input is opened Close (261), be used for controlling the switching running of this input switch (261), and can be according to this electric power Signal (Vin on input path；Iin；VB；IB) sensing result, by this device end adapter (140), this charging wire (130) and this communication interface (213) transmit this data signal (DATA) To this adaptability power supply changeover device (110), and this adaptability power supply changeover device (110) can be according to this number The content of the number of it is believed that (DATA), controls this power-switching circuit (211) and adjusts this DC current signal (Idc) size of at least one and in this d. c. voltage signal (Vdc), with by this charging wire (130) Pressure drop control below predetermined critical.
36. charging control circuits (160) as claimed in claim 35, wherein, this device end controls Circuit (265) can be by inputting the signal (Vin on path by electric power；Iin；VB；IB) dress Put terminal voltage value (DSV), notify this adaptability power supply changeover device by this data signal (DATA) (110), and this adaptability power supply changeover device (110) can calculate this device end magnitude of voltage (DSV) With to should signal (Vdc on electric power outgoing route；Idc) between feeder ear magnitude of voltage (CSV) Difference, to produce the pressure drop estimated value of this charging wire (130)；
Wherein, this adaptability power supply changeover device (110) can control this power supply according to this pressure drop estimated value Change-over circuit (211) adjusts in this DC current signal (Idc) and this d. c. voltage signal (Vdc) The size of at least one, maintains less than this predetermined critical with the pressure drop by this charging wire (130).
37. charging control circuits (160) as claimed in claim 36, wherein, this device end controls Circuit (265) can be according to device end sensing circuit (263) to the signal (Vin on this electric power input path； Iin；VB；IB) sensing result calculates this device end magnitude of voltage (DSV), or from other circuit Read this device end magnitude of voltage (DSV).
38. charging control circuits (160) as claimed in claim 35, wherein, this adaptability power supply Transducer (110) can be by this data signal (DATA) by should letter on electric power outgoing route Number (Vdc；Idc) feeder ear magnitude of voltage (CSV) notifies this device end control circuit (265), and This device end control circuit (265) can calculate this feeder ear magnitude of voltage (CSV) with to should electric power defeated Enter the signal (Vin on path；Iin；VB；IB) the difference between device end magnitude of voltage (DSV), To produce the pressure drop estimated value of this charging wire (130)；
Wherein, this device end control circuit (265) can produce corresponding adjustment according to this pressure drop estimated value Instruction, and transmit this adjustment instruction to this adaptability power supply changeover device by this data signal (DATA) (110), and this adaptability power supply changeover device (110) can according to this adjustment instruction control this power supply turn Change circuit (211) and adjust in this DC current signal (Idc) and this d. c. voltage signal (Vdc) extremely The size of few one, maintains less than this predetermined critical with the pressure drop by this charging wire (130).
39. charging control circuits (160) as claimed in claim 38, wherein, this device end controls Circuit (265) can be according to device end sensing circuit (263) to the signal (Vin on this electric power input path； Iin；VB；IB) sensing result calculates this device end magnitude of voltage (DSV), or from other circuit Read this device end magnitude of voltage (DSV).
40. charging control circuits (160) as claimed in claim 35, wherein, this device end controls Circuit (265) can calculate target voltage values (VTG) and to inputting the signal on path by electric power (Vin；Iin；VB；IB) the difference between device end magnitude of voltage (DSV), to produce this charging The pressure drop estimated value of line (130)；
Wherein, this device end control circuit (265) can produce corresponding adjustment according to this pressure drop estimated value Instruction, and transmit this adjustment instruction to this adaptability power supply changeover device by this data signal (DATA) (110), and this adaptability power supply changeover device (110) can according to this adjustment instruction control this power supply turn Change circuit (211) and adjust in this DC current signal (Idc) and this d. c. voltage signal (Vdc) extremely The size of few one, maintains less than this predetermined critical with the pressure drop by this charging wire (130).
41. charging control circuits (160) as claimed in claim 40, wherein, this device end controls Circuit (265) can be according to device end sensing circuit (263) to the signal (Vin on this electric power input path； Iin；VB；IB) sensing result calculates this device end magnitude of voltage (DSV), or from other circuit Read this device end magnitude of voltage (DSV).
42. charging control circuits (160) as claimed in claim 35, wherein, this device end controls Circuit (265) can be by inputting the signal (Vin on path by electric power；Iin；VB；IB) dress Put end current value (DSI), notify this adaptability power supply changeover device (110) by this data signal (DATA), And this adaptability power supply changeover device (110) can compare this device end current value (DSI) with to should electricity Signal (Vdc on power outgoing route；Idc) feeder ear current value (CSI)；
Wherein, if this feeder ear current value (CSI) is pre-more than one more than this device end current value (DSI) Definite value, then this adaptability power supply changeover device (110) can downgrade this DC current signal (Idc) and this is straight The size of at least one in stream voltage signal (Vdc), with reduce this output voltage signal (Vout) and The size of at least one in this output current signal (Iout).
43. charging control circuits (160) as claimed in claim 42, wherein, this device end controls Circuit (265) can be according to device end sensing circuit (263) to the signal (Vin on this electric power input path； Iin；VB；IB) sensing result calculates this device end current value (DSI), or from other circuit Read this device end current value (DSI).
44. charging control circuits (160) as claimed in claim 35, wherein, this adaptability power supply Transducer (110) can be by this data signal (DATA) by should letter on electric power outgoing route Number (Vdc；Idc) feeder ear current value (CSI) notifies this device end control circuit (265), and This device end control circuit (265) can compare this feeder ear current value (CSI) with to should electric power defeated Enter the signal (Vin on path；Iin；VB；IB) device end current value (DSI)；
Wherein, if this feeder ear current value (CSI) is pre-more than one more than this device end current value (DSI) Definite value, then this device end control circuit (265) can produce and downgrade instruction, and by this data signal (DATA) transmit this and downgrade instruction to this adaptability power supply changeover device (110), and this adaptability power supply Transducer (110) can downgrade instruction according to this and downgrade this DC current signal (Idc) and this DC voltage The size of at least one in signal (Vdc), to reduce this output voltage signal (Vout) and this output The size of at least one in current signal (Iout).
45. charging control circuits (160) as claimed in claim 44, wherein, this device end controls Circuit (265) can be according to device end sensing circuit (263) to the signal (Vin on this electric power input path； Iin；VB；IB) sensing result calculates this device end current value (DSI), or from other circuit Read this device end current value (DSI).
46. charging control circuits (160) as claimed in claim 35, wherein, this device end controls Circuit (265) can comparison object current value (ITG) with to should electric power input path on signal (Vin； Iin；VB；IB) device end current value (DSI)；
Wherein, if this target current value (ITG) is predetermined more than one more than this device end current value (DSI) Value, then this device end control circuit (265) can produce and downgrade instruction, and by this data signal (DATA) Transmit this and downgrade instruction to this adaptability power supply changeover device (110), and this adaptability power supply changeover device (110) Instruction can be downgraded according to this and downgrade this DC current signal (Idc) and this d. c. voltage signal (Vdc) In the size of at least one, to reduce this output voltage signal (Vout) and this output current signal (Iout) In the size of at least one.
47. charging control circuits (160) as claimed in claim 46, wherein, this device end controls Circuit (265) can be according to device end sensing circuit (263) to the signal (Vin on this electric power input path； Iin；VB；IB) sensing result calculates this device end current value (DSI), or from other circuit Read this device end current value (DSI).
48. charging control circuits (160) as claimed in claim 35, wherein, this mobile device (104) Separately include:
Device end sensing circuit (263), for sensing the signal (Vin on this electric power input path；Iin； VB；IB), to produce input voltage sensing signal (Svi) and input current sensing signal (Sii)；
Wherein, this device end control circuit (265) including:
First device end analog-digital converter (510), is coupled to this device end sensing circuit (263), For this input voltage sensing signal (Svi) is converted into input voltage sensing value (Dvi)；
Second device end analog-digital converter (520), is coupled to this device end sensing circuit (263), For this input current sensing signal (Sii) is converted into input current sensing value (Dii)；And
Device end digital processing circuit (530), is coupled to this device end adapter (140), this input Switch (261), this first device end analog-digital converter (510) and this second device end mould Intend digital converter (520), for calculating device end electricity according to this input voltage sensing value (Dvi) Pressure value (DSV), and calculate device end current value (DSI) according to this input current sensing value (Dii)；
Wherein, this device end digital processing circuit (530) can also be according to this device end magnitude of voltage (DSV) Or this device end current value (DSI) produces this data signal (DATA) and controls this input switch (261) Switching running.
49. charging control circuits (160) as claimed in claim 35, wherein, this mobile device (104) Separately include:
Device end sensing circuit (263), for sensing the signal (Vin on this electric power input path；Iin； VB；IB), to produce input voltage sensing signal (Svi) and input current sensing signal (Sii)；
Wherein, this device end control circuit (265) including:
Device end multiplexer (620), is coupled to this device end sensing circuit (263), and can Select the control of signal (M2) according to device end, optionally export this input voltage sensing signal (Svi) Or this input current sensing signal (Sii)；
First device end analog-digital converter (510), is coupled to this device end multiplexer (620) Outfan, for the output signal of this device end multiplexer (620) being converted into the device of correspondence End sensing value (Din)；And
Device end digital processing circuit (530), is coupled to this device end adapter (140), this input Switch (261), this first device end analog-digital converter (510) and this device end multichannel turn Parallel operation (620), is used for producing this device end and selects signal (M2), and can sense according to this device end Value (Din) calculates device end magnitude of voltage (DSV) or device end current value (DSI)；
Wherein, this device end digital processing circuit (530) can also be according to this device end magnitude of voltage (DSV) Or this device end current value (DSI) produces this data signal (DATA) and controls this input switch (261) Switching running.
50. charging control circuits (160) as claimed in claim 35, wherein, this device end controls Circuit (265) can be to inputting the signal (Vin on path by electric power；Iin；VB；IB) dress When putting terminal voltage value (DSV) more than a critical voltage value, or to inputting on path by electric power Signal (Vin；Iin；VB；IB), when device end current value (DSI) is more than a critical electric current value, close Disconnected this input switch (261).
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EP16168331.3A EP3091632B1 (en) 2015-05-07 2016-05-04 Charging control circuit of mobile device
US15/147,056 US20160329730A1 (en) 2015-05-07 2016-05-05 Mobile device charging system and related adaptive power converter and charging control circuit

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