WO2013178033A1 - 电流切换控制设备及电子设备 - Google Patents
电流切换控制设备及电子设备 Download PDFInfo
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- WO2013178033A1 WO2013178033A1 PCT/CN2013/076153 CN2013076153W WO2013178033A1 WO 2013178033 A1 WO2013178033 A1 WO 2013178033A1 CN 2013076153 W CN2013076153 W CN 2013076153W WO 2013178033 A1 WO2013178033 A1 WO 2013178033A1
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- Prior art keywords
- current
- pin
- limiting circuit
- resistor
- boost
- Prior art date
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- 238000005259 measurement Methods 0.000 claims description 70
- 238000004146 energy storage Methods 0.000 claims description 15
- QWCRAEMEVRGPNT-UHFFFAOYSA-N buspirone Chemical compound C1C(=O)N(CCCCN2CCN(CC2)C=2N=CC=CN=2)C(=O)CC21CCCC2 QWCRAEMEVRGPNT-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- 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
Definitions
- the present invention relates to the field of electronic power technology, and more particularly to current switching control devices and electronic devices. Background technique
- OTG on-the-go
- a digital camera can be connected to a USB port on the printer to print the photo immediately.
- Electronic devices supporting the OTG protocol generally include: a USB OTG interface, a discharge circuit, and a charging circuit.
- the discharge circuit can supply power to external devices (eg, wifi, radio frequency, etc.) of the electronic device, and the charging circuit is used to support the OTG protocol electronic device itself. Charging, specifically, when the power source charges the electronic device, the power supply is stepped down by the charging circuit to supply power to the electronic device supporting the OTG protocol.
- the discharge circuit of the first electronic device is based on a dedicated output chip such as TPS61240/FAN4860, and the boost circuit of the second electronic device is a BOOST boost circuit built by a chip.
- the sub-device is different from the chip of the second electronic device, and the power supply modes of the two devices are different, so the electronic device powered by the first device cannot be powered by the second device.
- the law meets the needs of various electronic products. Summary of the invention
- the present invention provides a current switching control device and an electronic device to overcome the problem of poor versatility of an electronic device supporting the OTG protocol in the prior art.
- the present invention provides the following technical solutions:
- a current switching control device includes:
- USB OTG interface for connecting to the first device and having an ID pin low
- USB interface for connecting to the second device and having an ID pin high
- a boost current limiting circuit connected between the USB OTG interface and the USB interface, the boost current limiting circuit and the USB OTG interface, the USB interface forming the first device to the second Equipment-powered line;
- a measurement and control unit connected to the boost current limiting circuit, wherein the measurement and control unit is configured to change a resistance value of the current limiting circuit in the boost current limiting circuit when receiving a request for current switching
- the first device provides a corresponding current to the second device.
- An electronic device comprising:
- An energy storage module respectively connected to the charging circuit and the boost current limiting circuit
- USB OTG interface for connecting to a third device
- a first control switch disposed between the charging circuit and the USB OTG interface, the energy storage module, the charging circuit, the first control switch, and the USB OTG interface 101 form an external power source to the a line powered by an electronic device;
- a second control switch disposed between the USB OTG interface and the boost current limiting circuit, the energy storage module, the boost current limiting circuit, the second control switch, and the USB OTG interface are formed a line that the electronic device supplies power to the third device; a measurement and control unit connected to the control end of the first control switch and the control end of the second control switch, the measurement and control unit is connected to the boost current limiting circuit, and the measurement and control unit is configured to detect the USB Whether the ID pin of the OTG interface is low, if yes, controlling the first control switch to be turned off, the second control switch is closed, and changing the boost current limit after receiving the request for current switching
- the resistance of the current limiting circuit in the circuit causes the electronic device to provide a corresponding current to the third device. If not, the first control switch is controlled to be closed, and the second control switch is turned off.
- the current switching control device disclosed in the embodiment of the present invention the boost current limiting circuit and the USB OTG interface and the USB interface form a line for the first device to supply power to the second device, and the measurement and control circuit is After receiving the request for current switching, the current limiting resistance value of the boost current limiting circuit is changed, so that the first device can provide multiple currents for the second device through the current switching control device, that is, the current switching control device can
- the connection of electronic devices operating at different current values improves the versatility of the current switching control device.
- FIG. 1 is a schematic structural diagram of a first current switching control device according to an embodiment of the present invention
- FIG. 2 is a circuit diagram of a boost current limiting circuit according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of a second current switching control device according to an embodiment of the present invention. detailed description
- the USB interface of the digital camera is connected to the ordinary USB interface (non-USB OTG interface) of the cable, and the printer first checks the USB of the cable. Whether the OTG port ID pin is low. If the ID pin is low, the printer will switch from slave mode to master mode, and the printer will start to supply power to the digital camera. At this time, the digital camera is in slave mode. After the power supply line of the printer and digital camera is established, the master-slave mode of the digital camera and printer can be converted.
- the digital camera needs to transfer data to the printer, the digital camera will be switched from the slave mode to the master mode, corresponding , the printer will be converted from master mode to slave mode, but it has been If the digital camera is powered by the printer, if the digital camera is required to supply power to the printer, the USB OTG interface of the digital camera needs to be connected to the USB OTG port of the cable.
- the printer is connected to the common USB interface of the cable, because only the USB with the cable
- the device connected to the OTG interface can be used as the power supply side.
- the OTG-enabled device supplies power to the peer device and is implemented by a discharge circuit.
- the discharge circuit comprises: a boost current limiting circuit, the boost current limiting circuit includes a boosting circuit and a current limiting circuit, and the boosting circuit boosts the battery voltage of the electronic device itself (3.4v-4.2v) to 5v, the current limiting circuit It is an equivalent output resistance circuit of the electronic device for limiting the current outputted by the electronic device to a certain range.
- Devices that support the OTG protocol in the prior art can only provide one type of current because the resistance of the current limiting circuit in the device supporting the OTG protocol cannot be changed.
- FIG. 1 is a structural diagram of a first current switching control device according to an embodiment of the present invention.
- the current switching control device may include: a USB OTG interface 101, a USB interface 102, a boost current limiting circuit 103, and a measurement and control unit 104, where:
- connection relationship is as follows:
- the USB OTG interface 101 is connected to the first device, wherein the ID pin of the USB OTG interface 101 is low level; the USB interface 102 (non-USB OTG interface) is connected to the second device, wherein the ID pin of the USB interface 102 is The boost current limiting circuit 103 is connected between the USB OTG interface 101 and the USB interface 102, and the boost current limiting circuit 103 and the USB OTG interface 101 and the USB interface 102 form a line for the first device to supply power to the second device; The measurement and control unit 104 is connected to the boost current limiting circuit 103.
- the general-purpose USB interface (including USB OTG interface 101 and USB interface 102) has a Vbus pin, a D- pin, a D+ pin, a GND pin, and an ID pin.
- the specific connection relationship is that the boosting circuit in the boost current limiting circuit 103 is respectively connected to the Vbus pin of the USB OTG interface 101 and the Vbus pin of the USB interface 102 interface, and the ID of the measurement and control unit 104 and the USB OTG interface 101 respectively.
- the pin and the ID pin of the USB interface 102 interface are connected, the measurement and control unit 104 controls the level of the ID pin of the USB OTG interface 101 to be low level, and controls the ID pin level of the interface of the USB interface 102 to be high level.
- the ID pin of the USB OTG interface 101 and the ID pin of the USB interface 102 interface may not be connected to the measurement and control unit 104.
- the ID pin of the USB OTG interface 101 is grounded, and the ID pin of the USB interface 102 is suspended.
- the level of the ID pin of the USB OTG interface 101 is reached to a low level and the ID pin level of the USB interface 102 interface is high.
- the first device Since the first device is connected to the USB OTG interface 101 of the current switching control device, the first device supplies power to the second device. Since there is no boost current limiting circuit in the first device, the current value provided by the first device to the Vbus pin of the USB OTG interface 101 is less than the preset current value, so the first device and the second device cannot be controlled by current switching.
- the preset current value refers to the minimum current value provided by the first device when communicating with the second device through the current switching control device, for the Vbus pin of the USB OTG interface 101. Since the first device and the second device cannot communicate through the current switching control device,
- D-pin of USB OTG interface 101, D-pin of USB interface 102, D+ pin of USB OTG interface 101, and D+ pin of USB interface 102 can be left floating, or D-pin and USB of USB OTG interface 101
- the D-pin of the interface 102 is connected, and the D+ pin of the USB OTG interface 101 is connected to the D+ pin of the USB interface 102.
- the measurement and control unit 104 may be a circuit having a corresponding function or a chip having a corresponding function.
- the working process of the measurement and control unit 104 is as follows:
- the measurement and control unit 104 is configured to change the resistance of the current limiting circuit in the boost current limiting circuit 103 when the current switching request is received, so that the first device provides a corresponding current for the second device.
- the measurement and control unit 104 can be connected to the current limiting circuit in the boost current limiting circuit 103 through a bus expander, and the measurement and control unit 104 can change the current limit of the boost current limiting circuit 103 by controlling the pin state of the bus expander. The resistance of the circuit.
- the measurement and control unit 104 can also be connected to the current limiting circuit in the boost current limiting circuit 103 through the general-purpose input/output interface GPIO.
- the measurement and control unit 104 can change the boost current limiting circuit 103 by controlling the state of the general-purpose input/output interface GPIO pin.
- the resistance of the current limiting circuit can be changed by controlling the state of the general-purpose input/output interface GPIO pin.
- the bus extender, general-purpose input/output interface GPIO, and devices with similar functions are collectively referred to as a general-purpose interface.
- the boost current limiting circuit 103 in the embodiment of the present invention may be implemented in various manners.
- the boost current limiting circuit 103 may include: a boosting circuit, a resistor R1, and a resistor R2, wherein the boosting circuit and the resistor respectively The first end of R1 is connected to the first end of the resistor R2, the second end of the resistor R2 is grounded, and the second end of the resistor R1 is connected to the pin A of the universal interface.
- the resistor R1 and the resistor R2 form a current limiting circuit.
- the process of the measurement and control unit 104 changing the pin state of the general-purpose interface to change the resistance value of the current limiting circuit in the boost current limiting circuit 103 is as follows:
- the control unit 104 controls the pin A of the general interface to be at a high level, and controls the pin A of the general interface to be low when receiving the request that the first device supplies the second current to the second device.
- the resistor R1 When the pin A of the general interface is low, the resistor R1 is connected in parallel with the resistor R2, and the resistance of the current limiting circuit of the boost current limiting circuit 103 is reduced, and the first device provides a larger current for the second device. That is, the second current, when the pin A of the universal interface is at a high level, the resistor R1 is not connected to the current limiting circuit of the boost current limiting circuit 103, and the resistance of the boost current limiting circuit 103 becomes large, so that A device provides a second current, a first current, to the second device.
- the first device after the first device is connected to the second device by the current switching control device, before receiving the current switching command, the first device starts to supply power to the second device, and the first device is second to the second device.
- the current supplied by the device is called the initial current.
- the initial current supplied by the first device to the second device through the current switching control device is the first current, that is, The measurement and control unit 104 controls the pin A of the universal interface to be at a high level, so that the current supplied by the first device to the second device through the current switching control device is a small current, that is, the first current, if the first current cannot meet the requirement of the second device Then, the current switching control device performs current switching according to the current switching request.
- the current switching request is artificially determined according to needs.
- the specific process is as follows:
- the current switching control device may include: a physical button connected to the measurement and control unit 104, and the measurement and control unit 104 changes the resistance value of the current limiting circuit in the boost current limiting circuit 103 after receiving the signal that the physical button is pressed. So that the first device provides a corresponding current for the second device.
- the measurement and control unit 104 detects the number of times the physical button is pressed within a preset time. If it is 1 time, the measurement and control unit 104 controls the resistance of the current limiting circuit in the boost current limiting circuit 103 to make the first device The second current is supplied to the second device. If it is 2 times, the measurement and control unit 104 controls the resistance of the current limiting circuit in the boost current limiting circuit 103 to enable the first device to provide the second current to the second device.
- the measurement and control unit 104 controls the current limiting circuit of the boost current limiting circuit 103. a resistance value, such that the first device supplies the Nth current to the second device, where N is greater than or equal to 2, and N is a positive integer.
- the current switching request can be generated not only by a physical button but also by a toggle switch, and the toggle switch is connected to the measurement and control unit 104.
- the position of the measurement and control unit 104 receiving the toggle switch is up to After the signal is toggled or left-to-right, the resistance of the boost current limiting circuit 103 is controlled to cause the first device to provide a corresponding current for the second device.
- the measurement and control unit 104 when the position of the toggle switch is from top to bottom, the measurement and control unit 104 generates a request for the first device to provide a first current for the second device, and after the position of the toggle switch is toggled from top to bottom, the measurement and control unit 104 The pin A of the control universal interface is at a high level.
- the first device supplies a small current, that is, a first current, to the second device;
- the measurement and control unit 104 generates a command for the second device to provide the second current to the second device.
- the measurement and control unit 104 controls the pin A of the universal interface to be at a low level.
- the resistance of the flow circuit 103 is reduced, so the first device provides a large current, that is, a second current, for the second device.
- the second current can support not only the normal operation of the second device but also the second device.
- the battery in the battery is charged.
- the current switching control device may further include a touch screen connected to the measurement and control unit 104.
- the plurality of options in the touch screen (for example, the first device provides the first current to the second device) may be selected by the user, and different selections may trigger different
- the command, the measurement and control unit 104 can perform corresponding operations according to the corresponding commands.
- the first device can provide two currents for the second device through the current switching control device. If the first device provides the third device with three or more kinds of current requirements through the current switching control device, only The current limiting circuit in the boost current limiting circuit 103 can be modified.
- the first device can provide three currents to the second device through the current switching control device.
- the boost current limiting circuit 103 can include: a boosting circuit 1031, a resistor R5, a resistor R6, and a resistor R7.
- the boosting circuit 1031 is respectively connected to the first end of the resistor R5, the first end of the resistor R6 and the first end of the resistor R7, the second end of the resistor R5 is grounded, the second end of the resistor R6 is connected to the pin A of the universal interface Connected, the second end of the resistor R7 is connected to the pin B of the universal interface.
- the first device can provide three different currents for the second device through the current switching control device.
- the measurement and control unit 104 controls the pin A and the pin B of the universal interface.
- the measurement and control unit 104 controls the pin A of the general interface to be a low level and the control pin B to a high level, or the measurement and control unit 104 controls the pin A of the universal interface to be The high level and the control pin B are at a low level.
- the measurement and control unit 104 controls the pin A and the pin B of the general interface to be at a low level.
- the resistor R5, the resistor R6 and the resistor R7 constitute a current limiting circuit.
- the current limiting circuit of the boost current limiting circuit 103 is composed of several resistors.
- the first device can provide several currents for the second device through the current switching circuit, and does not affect the implementation of the present invention. Therefore, the boost current limiting circuit is used here.
- the composition of the current limiting circuit in 103 is not specifically limited.
- the current switching control device may further include: an organic light emitting diode display screen, the organic light emitting diode display screen being connected to the measurement and control unit 104 for displaying a power supply mode of the current switching control device.
- the measurement and control unit 104 when the measurement and control unit 104 receives the request for the first device to provide the first current to the second device, controlling the OLED display to display “in the first power supply mode”; when the measurement and control unit 104 does not receive the first
- the measurement and control unit 104 controls the OLED display to display "in the second power supply mode"
- the N device can provide N currents.
- N is greater than or equal to 2
- N is a positive integer.
- the current switching control device disclosed in the embodiment of the present invention the boost current limiting circuit 103 and the USB OTG interface 101 and the USB interface 102 form a line for the first device to supply power to the second device, and the measurement and control circuit 104 receives the current switching.
- the resistance value of the current limiting circuit in the boost current limiting circuit 103 is changed, so that the first device can provide a plurality of currents for the second device through the current switching control device, that is, the first device passes the current switching control.
- the device can be connected to electronic devices operating at different current values, improving the versatility of the electronic device.
- FIG. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
- this electronic device includes: USB OTG interface 101, boost current limiting circuit 103, measurement and control unit 104, charging circuit 301, first control switch 302, second control switch 303 and an energy storage module 304, wherein:
- connection relationship is as follows:
- the USB OTG interface 101 is connected to the third device; the measurement and control unit 104 is connected to the USB OTG interface 101 and the boost current limiting circuit 103, respectively, and the first control switch 302 is disposed between the charging circuit 301 and the USB OTG interface 101, and the charging circuit 301 and The energy storage module 304 is connected, and the energy storage module 304, the charging circuit 301, the first control switch 302, and the USB OTG interface 101 form a line for supplying power from the external power source to the electronic device A.
- the second control switch 303 is disposed in the boost current limiting circuit 103.
- the boost current limiting circuit 103 is connected to the energy storage module 304, and the energy storage module 304, the boost current limiting circuit 103, the second control switch 303, and the USB OTG interface 101 form the electronic device A to the third device.
- the power supply line is connected to the control end of the first control switch 302 and the control end of the second control switch 303.
- the energy storage module 304 can be a battery.
- the connection relationship between the pins of the USB OTG interface 101 and the respective circuits is specifically as follows:
- the Vbus pins of the USB OTG interface 101 are respectively connected to one end of the first control switch 302 and one end of the second control switch 303, and the ID pin of the USB OTG interface 101 Connected to the measurement and control unit 104, the D+ and D- pins of the USB OTG interface 101 are connected to the USB enumeration module in the electronic device A.
- the working process of the measurement and control unit 104 is as follows:
- the measurement and control unit 104 is configured to detect whether the ID pin of the USB OTG interface 101 is low. If yes, control the first control switch 302 to be turned off, the second control switch 303 is closed, and if not, control the first control switch 302. Closed, the second control switch 303 is turned off.
- the electronic device A If the ID pin of the USB OTG interface 101 is low, the electronic device A is switched from the slave mode to the master mode, and the power in the energy storage module 304 is supplied to the third device through the boost current limiting circuit 103. That is, the electronic device A supplies current to the third electronic device. In the process of supplying power to the third device, if the measurement and control unit 104 receives the request for current switching, the measurement and control unit 104 The resistance of the current limiting circuit in the boost current limiting circuit 103 is varied to cause the electronic device A to provide a corresponding current for the third device.
- the electronic device A can only be connected to a computer-enabled device, download information from the computer, or transmit its own information to the computer, in the electronic After the device A is connected to the computer, only the computer can supply current to the electronic device A.
- the electronic device A is always in the slave device mode. Since the electronic device A does not need to supply power to the external device, the second control switch 303 is disconnected, and the computer is Electronic device A provides current to charge energy storage module 304 in electronic device A, so first control switch 302 is closed.
- the electronic device A in the embodiment of the present invention has a boost current limiting circuit 103, so that the value of the current supplied to the Vbus pin of the USB OTG interface 101 can reach a preset current value. Therefore, the conditions for the electronic device A to communicate with the third device can be satisfied, so the electronic device A and the third device can communicate.
- the boost current limiting circuit 103 can include: a boosting circuit, a resistor R1, and a resistor R2, wherein the boosting circuit is respectively connected to the first end of the resistor R1 and the first end of the resistor R2, and the second end of the resistor R2 is grounded, the resistor The second end of R1 is connected to pin A of the universal interface.
- the resistor R1 and the resistor R2 constitute a current limiting circuit.
- the process of controlling the pin state of the general-purpose interface to change the resistance of the boost current limiting circuit 103 is as follows:
- the measurement and control unit 104 controls the pin A of the universal interface to be at a high level, so that the electronic device A provides a fourth current for the third device, and detects that the electronic device A needs to perform with the third device.
- the measurement and control unit 104 controls the pin A of the general interface to be at a low level, so that the electronic device A supplies the fifth current to the third device.
- the resistor R1 When the pin A of the general interface is low, the resistor R1 is connected in parallel with the resistor R2, and the resistance of the current limiting circuit of the boost current limiting circuit 103 is reduced, and the electronic device A provides a large current for the third device. That is, the fifth current, when the pin A of the universal interface is at a high level, the resistor R1 is not connected to the current limiting circuit of the boost current limiting circuit 103, and the resistance of the boost current limiting circuit 103 becomes large, so that a device A second current is supplied to the second device.
- the process of switching the fourth current to the fifth current does not need to be manually involved, because the electronic device A can use the USB enumeration method to detect whether the third device needs to communicate with itself, and does not need to manually trigger the operation, specifically, can be electronically
- the USB enumeration module in the device A detects the D+ and D- pins of the USB OTG interface 101 to determine whether the electronic device A and the third device need to communicate. This is a prior art, and thus will not be described herein.
- the electronic device A After the electronic device A is connected to the third device, the electronic device A has started to supply power to the third device before the command for current switching is received, and the electronic device A is provided to the third device at this time.
- the current is called the initial current.
- the initial current provided by the electronic device A for the second device is the fourth current, that is, the default initial current of the electronic device A.
- the measurement and control unit 104 controls the pin A of the general interface to be at a high level.
- the electronic device A can provide two kinds of currents for the third device. If the electronic device A provides three or more kinds of currents for the third device, only the limit in the boost current limiting circuit 103 is required.
- the flow circuit can be modified.
- the boosting current limiting circuit 103 may further include: a boosting circuit, a resistor R5, a resistor R6, and a resistor R7, wherein the boosting circuit and the resistor R5 are respectively the first The first end of the resistor R6 is connected to the first end of the resistor R7, the second end of the resistor R5 is grounded, the second end of the resistor R6 is connected to the pin A of the universal interface, and the second end of the resistor R7 is connected to the universal interface Pin B is connected.
- the electronic device A After the electronic device A is connected to the third device, before the electronic device A is not connected to the current switching command, the electronic device A has already supplied current to the third device, in order to ensure that the initial current provided by the electronic device A is smaller than the maximum of the third device.
- the initial current provided by the electronic device A for the third device is the seventh current, that is, the measurement control unit 104 controls the pin A and the pin B of the bus expander to be high level, when the electronic device A and the third device need
- the measurement and control unit 104 in the electronic device A automatically controls the pin A of the bus expander to be at a low level, and the pin B is at a high level or
- the control pin A is at a high level, and the pin B is at a low level, so that the current supplied by the electronic device A for the third device is a large current, that is, the eighth current, when the electronic device and the third device do not need to communicate, and the seventh
- the electronic device A is artificially selected to
- the current switching request is artificially determined according to requirements, and is specifically the same as the current switching request generating method in the first embodiment, and details are not described herein again.
- the boost current limiting circuit 103 and the USB OTG interface 101, the boost current limiting circuit 103, and the energy storage module 304 form a line for the electronic device A to supply power to the third device, and the measurement and control circuit 104 receives the current switching.
- the resistance value of the current limiting circuit in the boost current limiting circuit 103 is changed, so that the electronic device A can provide a plurality of currents for the third device, that is, the electronic device A can work with different current values.
- the connection of the electronic devices improves the versatility of the electronic device A.
- the steps of a method or algorithm described in connection with the embodiments disclosed herein can be implemented directly in hardware, a software module executed by a processor, or a combination of both.
- the software module can be placed in random access memory (RAM), memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP13797799.7A EP2781989B1 (en) | 2012-05-28 | 2013-05-23 | Current switch control device and electronic device |
JP2014549353A JP6176497B2 (ja) | 2012-05-28 | 2013-05-23 | 電流切替のための制御装置及び電子装置 |
US14/301,959 US9727111B2 (en) | 2012-05-28 | 2014-06-11 | Control device for current switching and electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210168980.7A CN103457458B (zh) | 2012-05-28 | 2012-05-28 | 电流切换控制设备及电子设备 |
CN201210168980.7 | 2012-05-28 |
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US14/301,959 Continuation US9727111B2 (en) | 2012-05-28 | 2014-06-11 | Control device for current switching and electronic device |
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US (1) | US9727111B2 (zh) |
EP (1) | EP2781989B1 (zh) |
JP (1) | JP6176497B2 (zh) |
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EP2781989A1 (en) | 2014-09-24 |
EP2781989B1 (en) | 2017-08-16 |
JP6176497B2 (ja) | 2017-08-09 |
CN103457458A (zh) | 2013-12-18 |
US9727111B2 (en) | 2017-08-08 |
EP2781989A4 (en) | 2015-03-11 |
US20140310545A1 (en) | 2014-10-16 |
JP2015505401A (ja) | 2015-02-19 |
CN103457458B (zh) | 2016-03-30 |
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