CN105988549B - A kind of electronic equipment with extremely low quiescent current - Google Patents
A kind of electronic equipment with extremely low quiescent current Download PDFInfo
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- CN105988549B CN105988549B CN201510041160.5A CN201510041160A CN105988549B CN 105988549 B CN105988549 B CN 105988549B CN 201510041160 A CN201510041160 A CN 201510041160A CN 105988549 B CN105988549 B CN 105988549B
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Abstract
The present invention provides a kind of electronic equipment with extremely low quiescent current, comprising: power supply module supplies electricity to the electronic equipment for output voltage；Voltage transformation module, voltage needed for the voltage for exporting the power supply module is converted into multiple functional modules；The voltage transformation module has first port, second port and third port；Central processing module is powered for sending control electric signal with controlling the power supply module as the voltage transformation module and multiple functional modules；Switching module for receiving the first control electric signal or the second control electric signal that the central processing module is sent, and switches between the first mode of operation or the second mode of operation according to the first control electric signal or the second control electric signal.Electronic equipment of the present invention has extremely low quiescent current after entering dormant state, and electronic equipment is made not need frequent charge, increases electronic equipment stand-by time.
Description
Technical field
The invention belongs to electronic technology fields, are related to a kind of electronic equipment, have extremely low Static Electro more particularly to one kind
The electronic equipment of stream.
Background technique
Electronic equipment refers to be made of electronic components such as integrated circuit, transistor, electron tubes, application electric technology (packet
Include) equipment that plays a role of software, including electronic computer and the robot, numerical control or the program-controlled system that are controlled by electronic computer
System etc..
And with the continuous development of contemporary electronic technology, electronic equipment is widely used, and the electronic equipment in the present age
Most of is all battery-powered products.In these battery-powered products, since voltage can be reduced with the reduction of electricity, institute
Generally to have a voltage regulator circuit or power-switching circuit, this is resulted in when product enters suspend mode, this power-supply system by
In the characteristic issues of element (such as: voltage stabilizing chip and diode) itself, also in power consumption, so how to lower this static system electricity
Stream, this is a thorny problem.
In order to solve this problem, the voltage stabilizing chip and elder generation that electronic equipment in the prior art selects quiescent dissipation small as far as possible
With the small diode of pressure drop, quiescent current is reduced as far as possible to reach, but still can not avoid quiescent current excessive completely and deposit
The quiescent current the problem of.It brings inconvenience to the crowd using such battery-powered products, for example, battery needs frequent charge,
The stand-by time of electronic equipment is shorter etc..
Therefore, a kind of electronic equipment with extremely low quiescent current how is provided, to solve quiescent current in the prior art
It is excessive and quiescent current can not be reduced and generate stand-by time it is shorter, it is frequent replacement battery phenomenon many disadvantages, have become in fact
Practitioner in the art's technical problem urgently to be resolved.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of with extremely low quiescent current
Electronic equipment, for solve in the prior art quiescent current it is excessive and quiescent current can not be reduced and generate stand-by time it is shorter,
Frequently the problem of replacement battery phenomenon.
In order to achieve the above objects and other related objects, the present invention provides a kind of electronics with extremely low quiescent current and sets
It is standby, including multiple functional modules, the electronic equipment further include: power supply module supplies electricity to the electronics for output voltage
Equipment；The power supply module includes positive terminal and negative pole end；The voltage modulus of conversion being connected with the positive terminal of the power supply module
Block, voltage needed for the voltage for exporting the power supply module is converted into multiple functional modules；The voltage transformation module tool
There are first port, second port and third port；The central processing module connecting with the positive terminal of the power supply module, is used for
It is that the voltage transformation module and multiple functional modules are powered that control electric signal, which is sent, to control the power supply module；The control
Electric signal includes the first control electric signal and the second control electric signal；Respectively with the central processing module, voltage transformation module,
The switching module of multiple functional module connections, the first control electric signal or second sent for receiving the central processing module
Electric signal is controlled, and according to the first control electric signal or the second control electric signal in the first mode of operation or the second operation shape
It is switched between state.
Optionally, the switching module includes first port, second port and third port, wherein the first port
Be connected with the central processing module, the second port respectively with the third port of the voltage transformation module and multiple function
Energy module is connected, the third port ground connection.
Optionally, when the electronic equipment enters working condition state, the central processing module sends the first control
The operating voltage of the second port is converted to the first predetermined voltage according to the first control electric signal by signal, the switching module
When, the electronic equipment just switch to first mode of operation be connected the power supply module and the voltage transformation module and
Access between multiple functional modules.
Optionally, the voltage value of first predetermined voltage is greater than 4 volts less than 10 volts.
Optionally, when the electronic equipment enters dormant state, the central processing module sends second control signal,
It is described when the operating voltage of the second port is converted to the second predetermined voltage according to second control signal by the switching module
Electronic equipment switches to second mode of operation to end the power supply module and the voltage transformation module and multiple functions
Access between module.
Optionally, the voltage value of first predetermined voltage is greater than the voltage value of second predetermined voltage.
Optionally, the switching module is a low pass conducting resistance MOS transistor, the low pass conducting resistance MOS crystal
The grid of pipe is connected with the central processing module, the drain electrode of the low pass conducting resistance MOS transistor respectively with the electricity
The third port of pressure conversion module is connected with multiple functional modules, the source electrode ground connection of the low pass conducting resistance MOS transistor；
A diode is connected between the drain electrode and source electrode of the low pass conducting resistance MOS transistor.
Optionally, the first port of the voltage transformation module is input terminal, and second port is output end, and third port is
Ground terminal, wherein the input terminal of the voltage transformation module is connected with the central processing module, output end and multiple functions
Module is connected.
As described above, the electronic equipment of the present invention with extremely low quiescent current, has the advantages that
Electronic equipment of the present invention party after entering dormant state has extremely low quiescent current, makes electronic equipment not
Frequent charge is needed, electronic equipment stand-by time is increased.
Detailed description of the invention
Fig. 1 is shown as the theory structure schematic diagram of the electronic equipment with extremely low quiescent current of the invention.
Fig. 2 is shown as a kind of embodiment structure schematic diagram of the electronic equipment with extremely low quiescent current of the invention.
Component label instructions
1 electronic equipment with extremely low quiescent current
11 power supply modules
13 voltage transformation modules
13 central processing modules
14 functional modules
15 switching modules
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Please refer to attached drawing.It should be noted that only the invention is illustrated in a schematic way for diagram provided in the present embodiment
Basic conception, only shown in schema then with related component in the present invention rather than component count, shape when according to actual implementation
Shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its component cloth
Office's kenel may also be increasingly complex.
Below with reference to embodiment and attached drawing, the present invention is described in detail.
The present embodiment provides a kind of electronic equipments 1 with extremely low quiescent current, referring to Fig. 1, being shown as having extremely low
The theory structure schematic diagram of the electronic equipment of quiescent current, as shown in Figure 1, the electronic equipment 1 with extremely low quiescent current
Including power supply module 11, voltage transformation module 12, central processing module 13, multiple functional modules 14. and switching module 15.Please
Referring to Fig.2, being shown as a kind of embodiment structure schematic diagram of the electronic equipment with extremely low quiescent current.
Wherein, the power supply module 11 is for output voltage to supply electricity to the electronic equipment；The power supply module 11 wraps
Include positive terminal and negative pole end.In the present embodiment, the power supply module 11 is battery.The cathode of the power supply module 11 terminates
Ground.
The voltage transformation module 12 being connected with the positive terminal of the power supply module 11 is for exporting the power supply module
Voltage be converted into multiple functional modules needed for voltage.The voltage transformation module 12 has first port 121, second port
122 and third port 123；In the present embodiment, the first port is that the first port 121 of the voltage transformation module is
Input terminal, second port 122 are output end, and third port 123 is ground terminal, wherein the input of the voltage transformation module 12
End 121 is connected with the central processing module 12, and output end 122 is connected with multiple functional modules 14.In the present embodiment,
Since the electronic equipment 1 has multiple functional modules 14, the voltage transformation module 12 turns for multiple-channel output type voltage
Block is changed the mold, in the present embodiment, the voltage transformation module 12 may include, for example, common 78xx series voltage-stablizer output electricity
Voltage-controlled system provides various direct current electricity outputs, multiple resistance R, multiple capacitors, inductance, diode etc. electronic component composition.
The central processing module 13 being connect with the positive terminal of the power supply module 11, for sending control electric signal to control
The power supply module 11 is that the voltage transformation module 12 and multiple functional modules 14 are powered；The control electric signal includes first
Control electric signal and the second control electric signal.In the present embodiment, the central processing module 13 using wide-voltage range, it is low to
The CPU of machine quiescent current.For CPU tool there are three port, a port connects the input terminal of voltage transformation module 12, and second
Port connects the second port of switching module, third port ground connection.It in the present embodiment, can be in the central processing module 13
Including arithmetic unit and controller, they are integrated on a single die, and simultaneously each of controlling electronic devices holds the controller coordinate
The instruction sequence of line program.
The switching module being connect respectively with the voltage transformation module 12, central processing module 13, multiple functional modules 14
15 for receiving the first control electric signal or the second control electric signal that the central processing module 12 is sent, and according to described the
One control electric signal or the second control electric signal switch between the first mode of operation or the second mode of operation.The switching mould
Block 15 includes the 4th port 151, fifth port 152 and the 6th port 153, wherein the 4th port 151 and the center
Processing module 12 is connected, the fifth port 152 respectively with the third port 123 of the voltage transformation module 12 and multiple function
Energy module 14 is connected, the 6th port 153 ground connection.
In the present embodiment, the electronic equipment 1 can use for smart phone, laptop, tablet computer etc.
Battery powered electronic product.Therefore, when electronic equipment is smart phone, functional module 14 can be the functional module 14
Fan, WIFI module etc..
When the electronic equipment enters working condition state, the central processing module 12 can send the first control letter
Number, the operating voltage of the 4th port 151 is converted to first according to the first control electric signal and made a reservation for by the switching module 15
When voltage, the electronic equipment switches to first mode of operation just the power supply module and the voltage modulus of conversion is connected
Access between block and multiple functional modules, that is, open the switching module 15.When the electronic equipment enter suspend mode/to
When machine state, the central processing module 12 sends second control signal, and the switching module 15 will according to second control signal
When the operating voltage of the fifth port 152 is converted to the second predetermined voltage, the electronic equipment switches to second operation
State to end the access between the power supply module 11 and the voltage transformation module 12 and multiple functional modules 14, that is,
Close the switching module 15.In the present embodiment, the switching module 15 can be a low pass conducting resistance MOS transistor,
The low pass conducting resistance MOS transistor includes grid G, drain D and source S, wherein grid G and the central processing module
12 are connected, the drain D of the low pass conducting resistance MOS transistor third port with the voltage transformation module 12 respectively
123 are connected with multiple functional modules 14, the source S ground connection of the low pass conducting resistance MOS transistor.The low pass electric conduction
It hinders and is connected with a diode Q between the drain D and source S of MOS transistor1.Wherein, the voltage value of first predetermined voltage is big
In the voltage value of second predetermined voltage.The voltage value of first predetermined voltage is greater than 4 volts less than 10 volts.
In the prior art, when entering dormant state, quiescent current is mainly derived from due to voltage battery-powered products
There is element, for example, the electronic components itself such as voltage stabilizing chip and diode in converting system and product in the functional module of itself
Characteristic, also can power consumption；But electronic equipment provided by the present embodiment, when entering dormant state, central processing module is cut off
Metal-oxide-semiconductor, makes the voltage conversion system and other function module be in minimum current loss state, and then central processing module is again
Into micro-current standby mode, such quiescent current is just the quiescent current generated when central processing module is in standby, from
And quiescent current when entire electronic equipment enters dormant state is reduced, so that electronic equipment is not needed frequent charge, increases electricity
The sub- device standby time.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (5)
1. a kind of electronic equipment with extremely low quiescent current, including multiple functional modules, which is characterized in that the electronic equipment
To use battery powered electronic product；The electronic equipment further include:
Power supply module supplies electricity to the electronic equipment for output voltage；The power supply module includes positive terminal and negative pole end；
The voltage transformation module being connected with the positive terminal of the power supply module, the voltage for exporting the power supply module turn
Voltage needed for changing multiple functional modules into；The voltage transformation module has first port, second port and third port；
The central processing module being connect with the positive terminal of the power supply module, for sending control electric signal to control the power supply
Module is that the voltage transformation module and multiple functional modules are powered；The control electric signal includes the first control electric signal and the
Two control electric signals；
The switching module being connect respectively with the central processing module, voltage transformation module, multiple functional modules, for receiving
State central processing module transmission first control electric signal or second control electric signal, and according to it is described first control electric signal or
Second control electric signal switches between the first mode of operation or the second mode of operation；Wherein, the switching module includes the
Four ports, fifth port and the 6th port, wherein the 4th port is connected with the central processing module, and the described 5th
Port is connected with the third port of the voltage transformation module and multiple functional modules respectively, the third port ground connection；
When the electronic equipment enters working condition state, the central processing module sends first control signal, described to cut
When the operating voltage of 4th port is converted to the first predetermined voltage according to the first control electric signal by mold changing root tuber, the electronics
Equipment switches to first mode of operation just the power supply module and the voltage transformation module and multiple function moulds is connected
Access between block；
When the electronic equipment enters dormant state, the central processing module sends second control signal, the switching mould
When the operating voltage of the fifth port is converted to the second predetermined voltage according to second control signal by root tuber, the electronic equipment is cut
Second mode of operation is shifted to end between the power supply module and the voltage transformation module and multiple functional modules
Access.
2. the electronic equipment according to claim 1 with extremely low quiescent current, it is characterised in that: the described first predetermined electricity
The voltage value of pressure is greater than 4 volts less than 10 volts.
3. the electronic equipment according to claim 1 with extremely low quiescent current, it is characterised in that: the described first predetermined electricity
The voltage value of pressure is greater than the voltage value of second predetermined voltage.
4. the electronic equipment according to claim 1 with extremely low quiescent current, it is characterised in that: the switching module is
One low pass conducting resistance MOS transistor, the grid of the low pass conducting resistance MOS transistor are connected with the central processing module
Connect, the low pass conducting resistance MOS transistor drain electrode respectively with the third port of the voltage transformation module and multiple functions
Module is connected, the source electrode ground connection of the low pass conducting resistance MOS transistor；The leakage of the low pass conducting resistance MOS transistor
A diode is connected between pole and source electrode.
5. the electronic equipment according to claim 1 with extremely low quiescent current, it is characterised in that: the voltage modulus of conversion
The first port of block is input terminal, and second port is output end, and third port is ground terminal, wherein the voltage transformation module
Input terminal be connected with the central processing module, output end is connected with multiple functional modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510041160.5A CN105988549B (en) | 2015-01-27 | 2015-01-27 | A kind of electronic equipment with extremely low quiescent current |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510041160.5A CN105988549B (en) | 2015-01-27 | 2015-01-27 | A kind of electronic equipment with extremely low quiescent current |
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| CN105988549A CN105988549A (en) | 2016-10-05 |
| CN105988549B true CN105988549B (en) | 2019-11-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109144158B (en) * | 2018-07-13 | 2020-06-16 | 上海华力集成电路制造有限公司 | Quiescent current supply circuit for integrated circuit chip |
| CN113572357B (en) * | 2021-07-23 | 2022-12-27 | 维沃移动通信有限公司 | Electronic device |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001211640A (en) * | 2000-01-20 | 2001-08-03 | Hitachi Ltd | Electronic device, semiconductor integrated circuit, and information processing system |
| CN103151766B (en) * | 2013-04-01 | 2017-07-18 | 深圳联辉科电子技术有限公司 | A kind of controllable quiescent current current limliting acceleration protection circuit |
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- 2015-01-27 CN CN201510041160.5A patent/CN105988549B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN105988549A (en) | 2016-10-05 |
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| CB02 | Change of applicant information |
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. |