CN105988549A - Electronic device having very low quiescent current - Google Patents
Electronic device having very low quiescent current Download PDFInfo
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- CN105988549A CN105988549A CN201510041160.5A CN201510041160A CN105988549A CN 105988549 A CN105988549 A CN 105988549A CN 201510041160 A CN201510041160 A CN 201510041160A CN 105988549 A CN105988549 A CN 105988549A
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- quiescent current
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Abstract
The invention provides an electronic device having very low quiescent current. The electronic device includes: a power supply module for outputting the voltage to supply power to the electronic device; a voltage conversion module for converting the voltage output by the power supply module into the voltage required by a plurality of functional modules, wherein the voltage conversion module is provided with a first port, a second port and a third port; a central processing module for sending a control electrical signal to control the power supply module to supply power to the voltage conversion module and the plurality of functional modules; and a switching module for receiving a first control electrical signal or a second control electrical signal sent by the central processing module and switching to a first operation state or a second operation state according to the first control electrical signal or the second control electrical signal. The electronic device has the very low quiescent current in a sleep state, and then the electronic device can avoid frequent charging, and the stand-by time of the electronic device can be prolonged.
Description
Technical field
The invention belongs to electronic technology field, relate to a kind of electronic equipment, particularly relate to a kind of electricity with extremely low quiescent current
Subset.
Background technology
Electronic equipment refers to be made up of electronic devices and components such as integrated circuit, transistor, electron tubes, and application electric technology (includes)
The equipment that software plays a role, including electronic computer and robot, numerical control or the stored program controlled etc. that are controlled by electronic computer.
And along with the development of contemporary electronic technology, electronic equipment is widely used, and the electronic equipment in the present age is most of
It it is all battery-powered products.In these battery-powered products, owing to voltage can reduce along with the reduction of electricity, so typically
Have a mu balanced circuit or power-switching circuit, this result in product enter dormancy time, this power-supply system due to element (such as:
Voltage stabilizing chip and diode etc.) characteristic issues itself, also in power consumption, so how to lower this static system electric current, this is one
Individual thorny problem.
In order to solve this problem, electronic equipment of the prior art is selected voltage stabilizing chip that quiescent dissipation is little as far as possible and first uses pressure drop
Little diode, to reach to reduce quiescent current as far as possible, but or cannot avoid quiescent current excessive completely and there is Static Electro
The problem of stream.Bringing inconvenience to the crowd using this type of battery-powered products, such as, battery needs frequent charge, electronic equipment
Stand-by time shorter etc..
Therefore, how to provide a kind of electronic equipment with extremely low quiescent current, with solve quiescent current in prior art excessive and
Quiescent current cannot be reduced and produce the many disadvantages of stand-by time replacing shorter, frequent battery phenomenon, real become this area from
The technical problem that dealer is urgently to be resolved hurrily.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of electronics with extremely low quiescent current and sets
Standby, it is used for solving quiescent current in prior art excessive and quiescent current cannot be reduced and produce that stand-by time is shorter, frequently change
The problem of battery phenomenon.
For achieving the above object and other relevant purposes, the present invention provides a kind of electronic equipment with extremely low quiescent current, including
Multiple functional modules, described electronic equipment also includes: supply module, for output voltage to supply electricity to described electronic equipment；Institute
State supply module and include positive terminal and negative pole end；The voltage transformation module being connected with the positive terminal of described supply module, being used for will
The voltage of described supply module output is converted into multiple functional module required voltage；Described voltage transformation module have the first port,
Second port and the 3rd port；The central processing module being connected with the positive terminal of described supply module, is used for sending control telecommunications
Number it is described voltage transformation module and multiple functional module is powered controlling described supply module；The described control signal of telecommunication includes first
Control the signal of telecommunication and second and control the signal of telecommunication；Respectively with described central processing module, voltage transformation module, multiple functional module even
The handover module connect, the first control signal of telecommunication or second sent for receiving described central processing module controls the signal of telecommunication, and root
Control the signal of telecommunication according to described first or the second control signal of telecommunication switches between the first mode of operation or the second mode of operation.
Alternatively, described handover module includes the first port, the second port and the 3rd port, wherein, described first port with
Described central processing module is connected, described second port respectively with the 3rd port and multiple function mould of described voltage transformation module
Block is connected, described 3rd port ground connection.
Alternatively, when described electronic equipment enters duty state, described central processing module sends the first control signal,
When the running voltage of described second port is converted to the first predetermined voltage according to the first control signal of telecommunication by described handover module, described
Electronic equipment just switches to described first mode of operation to turn on described supply module and described voltage transformation module and multiple function mould
Path between block.
Alternatively, the magnitude of voltage of described first predetermined voltage is less than 10 volts more than 4 volts.
Alternatively, when described electronic equipment enters resting state, described central processing module sends the second control signal, described
When the running voltage of described second port is converted to the second predetermined voltage according to the second control signal by handover module, described electronics sets
For switching to described second mode of operation to end between described supply module and described voltage transformation module and multiple functional module
Path.
Alternatively, the magnitude of voltage of described first predetermined voltage is more than the magnitude of voltage of described second predetermined voltage.
Alternatively, described handover module is a low pass conducting resistance MOS transistor, described low pass conducting resistance MOS transistor
Grid be connected with described central processing module, the drain electrode of described low pass conducting resistance MOS transistor respectively with described voltage
3rd port of modular converter is connected with multiple functional modules, the source ground of described low pass conducting resistance MOS transistor；
It is connected between drain electrode and the source electrode of described low pass conducting resistance MOS transistor and has a diode.
Alternatively, the first port of described voltage transformation module is input, and the second port is outfan, and the 3rd port is ground connection
End, wherein, the input of described voltage transformation module is connected with described central processing module, outfan and multiple functional modules
It is connected.
As it has been described above, the electronic equipment with extremely low quiescent current of the present invention, have the advantages that
Electronic equipment of the present invention party after entering resting state has extremely low quiescent current, makes electronic equipment need not frequency
Numerous charging, increases electronic equipment stand-by time.
Accompanying drawing explanation
Fig. 1 is shown as the theory structure schematic diagram of the electronic equipment with extremely low quiescent current of the present invention.
Fig. 2 is shown as a kind of embodiment structural representation of the electronic equipment with extremely low quiescent current of the present invention.
Element numbers explanation
1 electronic equipment with extremely low quiescent current
11 supply modules
12 voltage transformation modules
13 central processing modules
14 functional modules
15 handover modules
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by disclosed by this specification
Content understand other advantages and effect of the present invention easily.The present invention can also be added by the most different detailed description of the invention
To implement or application, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
Various modification or change is carried out under god.
Refer to accompanying drawing.It should be noted that the diagram provided in the present embodiment illustrates that the present invention's is basic the most in a schematic way
Conception, the most graphic in component count, shape and size time only display with relevant assembly in the present invention rather than is implemented according to reality
Drawing, during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is also
It is likely more complexity.
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.
The present embodiment provides a kind of electronic equipment 1 with extremely low quiescent current, refers to Fig. 1, is shown as having extremely low Static Electro
The theory structure schematic diagram of electronic equipment of stream, as it is shown in figure 1, described in there is the electronic equipment 1 of extremely low quiescent current include supplying
Electricity module 11, voltage transformation module 12, central processing module 13, multiple functional module 14. and handover module 15.Refer to
Fig. 2, is shown as a kind of embodiment structural representation with the electronic equipment of extremely low quiescent current.
Wherein, described supply module 11 is used for output voltage to supply electricity to described electronic equipment；Described supply module 11 just includes
Extreme and negative pole end.In the present embodiment, described supply module 11 is battery.The negative pole end ground connection of described supply module 11.
The voltage transformation module 12 being connected with the positive terminal of described supply module 11 is for the voltage exported by described supply module
It is converted into multiple functional module required voltage.Described voltage transformation module 12 have first port the 121, second port 122 and
3rd port 123；In the present embodiment, described first port be the first port 121 of described voltage transformation module be input,
Second port 122 is outfan, and the 3rd port 123 is earth terminal, wherein, and the input 121 of described voltage transformation module 12
Being connected with described central processing module 12, outfan 122 is connected with multiple functional modules 13.In the present embodiment, by
Having multiple functional module 14 in described electronic equipment 1, therefore, described voltage transformation module 12 turns for multiple-channel output type voltage
Die change block, in the present embodiment, described voltage transformation module 12 can include, such as, common 78xx series manostat exports
Control of Voltage, it is provided that various unidirectional currents export, multiple resistance R, multiple electric capacity, inductance, diode etc. electronic devices and components group
Become.
The central processing module 13 being connected with the positive terminal of described supply module 11, is used for sending the control signal of telecommunication described to control
Supply module 11 is powered for described voltage transformation module 12 and multiple functional module 14；The described control signal of telecommunication includes the first control
The signal of telecommunication and second controls the signal of telecommunication.In the present embodiment, described central processing module 13 uses wide-voltage range, low standby quiet
The CPU of state electric current.Described CPU has three ports, and first port connects the input of voltage transformation module 12, and second
Port connects the second port of handover module, the 3rd port ground connection.In the present embodiment, permissible in described central processing module 13
Including arithmetical unit and controller, they are integrated on a single die, described controller coordinate and control electronic equipment each perform
The job sequence of program.
The handover module 15 being connected with described voltage transformation module 12, central processing module 13, multiple functional module 14 respectively is used
In receiving the first control signal of telecommunication or the second control signal of telecommunication that described central processing module 12 sends, and control according to described first
The signal of telecommunication or second controls the signal of telecommunication and switches between the first mode of operation or the second mode of operation.Described handover module 15 includes
First port the 151, second port 152 and the 3rd port 153, wherein, described first port 151 processes mould with described central authorities
Block 12 is connected, described second port 152 respectively with the 3rd port 123 and multiple function mould of described voltage transformation module 12
Block 14 is connected, described 3rd port 153 ground connection.
In the present embodiment, described electronic equipment 1 can be that smart mobile phone, notebook computer, panel computer etc. use battery
The electronic product of power supply.Therefore, described functional module 14 is when electronic equipment is smart mobile phone, and functional module 14 can be wind
Fan, WIFI module etc..
When described electronic equipment enters duty state, described central processing module 12 can send the first control signal, described
When the running voltage of described second port 152 is converted to the first predetermined voltage according to the first control signal of telecommunication by handover module 15, institute
State electronic equipment and just switch to described first mode of operation to turn on described supply module and described voltage transformation module and multiple function
Path between module, namely opens described handover module 15.When described electronic equipment enters dormancy/holding state, described
Central processing module 12 sends the second control signal, described handover module 15 according to the second control signal by described second port
When running voltage is converted to the second predetermined voltage, described electronic equipment switches to described second mode of operation to end described power supply mould
Path between block 11 and described voltage transformation module 12 and multiple functional module 14, namely closes described handover module 15.
In the present embodiment, described handover module 15 can be a low pass conducting resistance MOS transistor, described low pass conducting resistance
MOS transistor includes grid G, drain D, and source S, and wherein grid G is connected with described central processing module 12,
The drain D of described low pass conducting resistance MOS transistor respectively with the 3rd port 123 of described voltage transformation module 12 and multiple
Functional module 14 is connected, the source S ground connection of described low pass conducting resistance MOS transistor.Described low pass conducting resistance MOS
It is connected between the drain D of transistor and source S and has a diode Q1.Wherein, the magnitude of voltage of described first predetermined voltage is more than institute
State the magnitude of voltage of the second predetermined voltage.The magnitude of voltage of described first predetermined voltage is less than 10 volts more than 4 volts.
In the prior art, battery-powered products is when entering resting state, and quiescent current is mainly derived from owing to voltage conversion is
System and product have element in the functional module of itself, such as, the characteristic of the electronic components itself such as voltage stabilizing chip and diode,
Also can power consumption；But the electronic equipment that the present embodiment is provided is when entering resting state, and central processing module has cut off MOS
Pipe, makes voltage conversion system and other functional modules be in minimum current loss state, and then central processing module enters back into micro-
Electric current holding state, the quiescent current that such quiescent current just Chinese zodiac central processing module produces when being in standby, thus reduce
Whole electronic equipment enters quiescent current during resting state, makes electronic equipment need not frequent charge, increases electronic equipment and treats
The machine time.
In sum, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (8)
1. there is an electronic equipment for extremely low quiescent current, including multiple functional modules, it is characterised in that described electronic equipment also wraps
Include:
Supply module, for output voltage to supply electricity to described electronic equipment；Described supply module includes positive terminal and negative pole end；
The voltage transformation module being connected with the positive terminal of described supply module, for turning the voltage that described supply module exports
Change multiple functional module required voltage into；Described voltage transformation module has the first port, the second port and the 3rd port；
The central processing module being connected with the positive terminal of described supply module, is used for sending the control signal of telecommunication to control described power supply
Module is described voltage transformation module and multiple functional module is powered；The described control signal of telecommunication includes the first control signal of telecommunication and
Two control the signal of telecommunication；
The handover module being connected with described central processing module, voltage transformation module, multiple functional module respectively, is used for receiving
The first control signal of telecommunication or second that described central processing module sends controls the signal of telecommunication, and controls the signal of telecommunication according to described first
Or second control the signal of telecommunication switch between the first mode of operation or the second mode of operation.
The electronic equipment with extremely low quiescent current the most according to claim 1, it is characterised in that: described handover module includes
Single port, the second port and the 3rd port, wherein, described first port is connected with described central processing module, described
Second port is connected with the 3rd port and multiple functional module of described voltage transformation module respectively, and described 3rd port connects
Ground.
The electronic equipment with extremely low quiescent current the most according to claim 2, it is characterised in that: when described electronic equipment enters
During duty state, described central processing module sends the first control signal, and described handover module controls telecommunications according to first
When number the running voltage of described second port being converted to the first predetermined voltage, described electronic equipment just switches to described first behaviour
Make state to turn on the path between described supply module and described voltage transformation module and multiple functional module.
The electronic equipment with extremely low quiescent current the most according to claim 3, it is characterised in that: described first predetermined voltage
Magnitude of voltage is less than 10 volts more than 4 volts.
The electronic equipment with extremely low quiescent current the most according to claim 4, it is characterised in that: when described electronic equipment enters
During resting state, described central processing module sends the second control signal, described handover module according to the second control signal by institute
State the running voltage of the second port when being converted to the second predetermined voltage, described electronic equipment switch to described second mode of operation with
End the path between described supply module and described voltage transformation module and multiple functional module.
The electronic equipment with extremely low quiescent current the most according to claim 5, it is characterised in that: described first predetermined voltage
Magnitude of voltage is more than the magnitude of voltage of described second predetermined voltage.
The electronic equipment with extremely low quiescent current the most according to claim 2, it is characterised in that: described handover module is one low
Logical conducting resistance MOS transistor, the grid of described low pass conducting resistance MOS transistor and described central processing module phase
Connect, the drain electrode of described low pass conducting resistance MOS transistor respectively with the 3rd port of described voltage transformation module and multiple
Functional module is connected, the source ground of described low pass conducting resistance MOS transistor；Described low pass conducting resistance MOS
It is connected between the drain electrode of transistor and source electrode and has a diode.
The electronic equipment with extremely low quiescent current the most according to claim 1, it is characterised in that: described voltage transformation module
First port is input, and the second port is outfan, and the 3rd port is earth terminal, wherein, and described voltage transformation module
Input is connected with described central processing module, and outfan is connected with multiple functional modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041160.5A CN105988549B (en) | 2015-01-27 | 2015-01-27 | A kind of electronic equipment with extremely low quiescent current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041160.5A CN105988549B (en) | 2015-01-27 | 2015-01-27 | A kind of electronic equipment with extremely low quiescent current |
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| Publication Number | Publication Date |
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| CN105988549A true CN105988549A (en) | 2016-10-05 |
| CN105988549B CN105988549B (en) | 2019-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510041160.5A Active CN105988549B (en) | 2015-01-27 | 2015-01-27 | A kind of electronic equipment with extremely low quiescent current |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712461A (en) * | 2016-11-18 | 2017-05-24 | 深圳市恒扬数据股份有限公司 | Electronic equipment and power supply control device thereof |
| CN109144158A (en) * | 2018-07-13 | 2019-01-04 | 上海华力集成电路制造有限公司 | The quiescent current supply circuit of IC chip |
| CN113572357A (en) * | 2021-07-23 | 2021-10-29 | 维沃移动通信有限公司 | Electronic device |
| CN115086562A (en) * | 2022-07-25 | 2022-09-20 | 荣耀终端有限公司 | Power supply circuit, power supply control method and electronic equipment |
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| CN101542033A (en) * | 2006-11-20 | 2009-09-23 | Bsh博世和西门子家用器具有限公司 | Generation of an idle mode signal for an electrical control device |
| CN103151766A (en) * | 2013-04-01 | 2013-06-12 | 刘文博 | Controlled quiescent current-limiting acceleration protection circuit |
| CN103299509A (en) * | 2010-09-28 | 2013-09-11 | 伊莱克斯家用产品股份有限公司 | Electronic control device and method for reducing stand-by state energy consumption of an electric household appliance |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020041178A1 (en) * | 2000-01-20 | 2002-04-11 | Mitsuru Hiraki | Data processing system |
| CN101542033A (en) * | 2006-11-20 | 2009-09-23 | Bsh博世和西门子家用器具有限公司 | Generation of an idle mode signal for an electrical control device |
| CN103299509A (en) * | 2010-09-28 | 2013-09-11 | 伊莱克斯家用产品股份有限公司 | Electronic control device and method for reducing stand-by state energy consumption of an electric household appliance |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712461A (en) * | 2016-11-18 | 2017-05-24 | 深圳市恒扬数据股份有限公司 | Electronic equipment and power supply control device thereof |
| CN106712461B (en) * | 2016-11-18 | 2018-12-14 | 深圳市恒扬数据股份有限公司 | Electronic equipment and its power control |
| CN109144158A (en) * | 2018-07-13 | 2019-01-04 | 上海华力集成电路制造有限公司 | The quiescent current supply circuit of IC chip |
| CN113572357A (en) * | 2021-07-23 | 2021-10-29 | 维沃移动通信有限公司 | Electronic device |
| CN113572357B (en) * | 2021-07-23 | 2022-12-27 | 维沃移动通信有限公司 | Electronic device |
| CN115086562A (en) * | 2022-07-25 | 2022-09-20 | 荣耀终端有限公司 | Power supply circuit, power supply control method and electronic equipment |
| CN115086562B (en) * | 2022-07-25 | 2023-01-17 | 荣耀终端有限公司 | Power supply circuit, power supply control method and electronic equipment |
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| Publication number | Publication date |
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| CN105988549B (en) | 2019-11-01 |
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Address after: 201201 Shanghai, Pudong New Area, Liuzhou East Road, No. 6111, No. Applicant after: Shanghai Haima Automobile Co., Ltd. Applicant after: Hippocampus Motor Co., Ltd. Address before: 201201 Shanghai, Pudong New Area, Liuzhou East Road, No. 6111, No. Applicant before: Shanghai Haima Automobile Co., Ltd. Applicant before: Haima Car Co., Ltd. |
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Effective date of registration: 20190612 Address after: 450016 Haihai East Road 1689, Zhengzhou Economic and Technological Development Zone, Henan Province Applicant after: Hippocampus Motor Co., Ltd. Address before: 201201 6111 Longdong Avenue, Pudong New Area, Shanghai Applicant before: Shanghai Haima Automobile Co., Ltd. Applicant before: Hippocampus Motor Co., Ltd. |
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Effective date of registration: 20220104 Address after: 450000 No. 1689, hanghai East Road, Zhengzhou Economic and Technological Development Zone, Zhengzhou, Henan Province Patentee after: HAIMA MOTOR Corp. Patentee after: HAIMA NEW ENERGY VEHICLE Co.,Ltd. Patentee after: Hainan Haima Automobile Co.,Ltd. Address before: 450016 Haihai East Road 1689, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee before: HAIMA MOTOR Corp. |
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