CN106774795A - Mobile terminal and its power-supply management system - Google Patents
Mobile terminal and its power-supply management system Download PDFInfo
- Publication number
- CN106774795A CN106774795A CN201611086063.9A CN201611086063A CN106774795A CN 106774795 A CN106774795 A CN 106774795A CN 201611086063 A CN201611086063 A CN 201611086063A CN 106774795 A CN106774795 A CN 106774795A
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- mobile terminal
- power
- processor
- management system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
Abstract
The invention discloses a kind of mobile terminal and its power-supply management system.Wherein, power-supply management system includes processor and radio-frequency power amplifier, it is characterised in that the power-supply management system includes power supervisor and on-off circuit；The power supervisor is electrically connected with the processor, and the power supervisor is also electrically connected by the on-off circuit with the radio-frequency power amplifier；The on-off circuit is also electrically connected with the processor；The processor is used to send the first control signal to the on-off circuit when the offline mode for detecting the mobile terminal is opened, the on-off circuit is used to disconnect the electrical connection between the power supervisor and the radio-frequency power amplifier when first control signal is received, namely power supervisor stops being powered to radio-frequency power amplifier, so as to avoid the leaky of radio-frequency power amplifier under offline mode, and then the power consumption of mobile terminal is reduced, extend the standby time of mobile terminal.
Description
Technical field
The present invention relates to technical field of power management, more particularly to a kind of mobile terminal and its power-supply management system.
Background technology
At present, under offline mode, radio-frequency power amplifier can consume a part of electricity to mobile terminal, especially some
The radio-frequency power amplifier of MIPI (mobile Industry Processor Interface), its leakage current can reach 0.5mA~1.0mA or so.
And mobile terminal in offline mode whole machine stood by consumption current in 3mA~5mA or so.That is, under offline mode, radio-frequency power
The power consumption of amplifier can reach 10%~30% or so of mobile terminal whole power consumption.It can be seen that, under offline mode, radio frequency work(
The leaky of rate amplifier can cause the power consumption of mobile terminal to increase, and cause the standby time of mobile terminal to shorten.
The content of the invention
The technical problem to be solved in the present invention is the radio frequency work(in order to overcome the mobile terminal of prior art under offline mode
The leaky of rate amplifier can cause the power consumption of mobile terminal to increase, and cause what the standby time of mobile terminal shortened to lack
Fall into, there is provided a kind of mobile terminal and its power-supply management system.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of power-supply management system of mobile terminal, the mobile terminal includes processor and radio-frequency power amplifier, its
Feature is that the power-supply management system includes power supervisor and on-off circuit；
The power supervisor is electrically connected with the processor, and the power supervisor also passes through the on-off circuit and institute
State radio-frequency power amplifier electrical connection；The on-off circuit is also electrically connected with the processor；
The processor is used to send the first control signal extremely when the offline mode for detecting the mobile terminal is opened
The on-off circuit, the on-off circuit is used to disconnect the power supervisor and institute when first control signal is received
State the electrical connection between radio-frequency power amplifier.
It is preferred that the processor is additionally operable to send the second control when the offline mode for detecting the mobile terminal is closed
To the on-off circuit, the on-off circuit is used to turn on the power supply pipe when second control signal is received signal processed
Electrical connection between reason device and the radio-frequency power amplifier.
It is preferred that the on-off circuit include trigger and switching device, the trigger respectively with the switching device
Control end and processor electrical connection, the input of the switching device electrically connects with the power supervisor, output end
Electrically connected with the radio-frequency power amplifier；
The trigger is used for the output switch state when first control signal or second control signal is received
To the switching device, the switching device is used to perform corresponding action when the switch state signal is received signal.
It is preferred that the switch state signal includes cut-off signal or closure signal.
It is preferred that the on-off circuit is managed including N-channel MOS (field-effect transistor), the grid of the N-channel MOS pipe
Electrically connected with the processor, source electrode is electrically connected with the radio-frequency power amplifier, drain electrode is electrically connected with the power supervisor；
First control signal is low level.
It is preferred that the on-off circuit also includes a diode and two voltage-regulator diodes of differential concatenation；
One end of the voltage-regulator diode of described two differential concatenations electrically connects with the grid of the N-channel MOS pipe, the other end
Source electrode with the N-channel MOS pipe is electrically connected；
The anode of the diode is electrically connected with the source electrode of the N-channel MOS pipe, the leakage of negative electrode and the N-channel MOS pipe
Pole electrically connects.
It is preferred that the on-off circuit includes P-channel metal-oxide-semiconductor, grid and the processor electricity of the P-channel metal-oxide-semiconductor
Connection, source electrode is electrically connected with the power supervisor, and drain electrode is electrically connected with the radio-frequency power amplifier；
First control signal is high level.
It is preferred that the on-off circuit includes NPN type triode and first resistor, the base stage of the NPN type triode is led to
Cross the first resistor to be electrically connected with the processor, emitter stage is electrically connected with the radio-frequency power amplifier, colelctor electrode and institute
State power supervisor electrical connection；
First control signal is low level.
It is preferred that the on-off circuit includes PNP type triode and second resistance, the base stage of the PNP type triode is led to
Cross the second resistance to be electrically connected with the processor, emitter stage is electrically connected with the power supervisor, colelctor electrode is penetrated with described
Frequency power amplifier is electrically connected；
First control signal is high level.
The present invention also provides a kind of mobile terminal, and its feature is that the mobile terminal includes power supply pipe as described above
Reason system.
Positive effect of the invention is：The power-supply management system of mobile terminal of the invention can detect movement
When the offline mode of terminal is opened, the electrical connection between deenergization manager and radio-frequency power amplifier, namely power management
Device stops being powered to radio-frequency power amplifier, so as to avoid the leaky of radio-frequency power amplifier under offline mode, and then
The power consumption of mobile terminal is reduced, the standby time of mobile terminal is extended.
Brief description of the drawings
Fig. 1 is the module connection diagram of the power-supply management system of the mobile terminal of the embodiment of the present invention 1.
Fig. 2 is the module connection diagram of the power-supply management system of the mobile terminal of the embodiment of the present invention 2.
Fig. 3 is the module connection diagram of the power-supply management system of the mobile terminal of the embodiment of the present invention 3.
Fig. 4 is the module connection diagram of the power-supply management system of the mobile terminal of the embodiment of the present invention 4.
Fig. 5 is the module connection diagram of the power-supply management system of the mobile terminal of the embodiment of the present invention 5.
Fig. 6 is the module connection diagram of the power-supply management system of the mobile terminal of the embodiment of the present invention 6.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to described reality
Apply among a scope.
Embodiment 1
As shown in figure 1, the power-supply management system of the mobile terminal of the present embodiment includes power supervisor 1 and on-off circuit 2.
Power supervisor 1 is electrically connected with the processor 3 of mobile terminal, also the penetrating by on-off circuit 2 and mobile terminal of power supervisor 1
Frequency power amplifier 4 is electrically connected.On-off circuit 2 is also electrically connected with processor 3.
In the present embodiment, processor sends the first control signal to opening when the offline mode for detecting mobile terminal is opened
Powered-down road, on-off circuit being electrically connected between deenergization manager and radio-frequency power amplifier when the first control signal is received
Connect, namely power supervisor stops being powered to radio-frequency power amplifier, so as to avoid radio-frequency power amplifier under offline mode
Leaky, and then reduce the power consumption of mobile terminal, extend the standby time of mobile terminal.
Embodiment 2
On the basis of embodiment 1, as shown in Fig. 2 the on-off circuit of the present embodiment includes trigger 21 and switching device
22, trigger 21 is electrically connected with the control end and processor 3 of switching device 22 respectively, input and the power supply pipe of switching device 22
Reason device 1 is electrically connected, and output end is electrically connected with radio-frequency power amplifier 4.
In the present embodiment, if the offline mode that processor detects mobile terminal is opened, the first control signal is sent extremely
Trigger, the first control signal now includes the letter of the electrical connection between deenergization manager and radio-frequency power amplifier
Number.Trigger output switch status signal to switching device, now switch state signal when the first control signal is received is disconnected
ON signal.Then switching device disconnects the electrical connection between input and output end when switch state signal is received, to disconnect
Electrical connection between power supervisor and radio-frequency power amplifier, so that power supervisor stops being supplied to radio-frequency power amplifier
Electricity, mobile terminal cannot normal talking.
In the present embodiment, if the offline mode of mobile terminal is closed, processor is also when offline mode closing is detected
The second control signal to on-off circuit (processor sends to trigger the second control signal in the present embodiment) is sent, now
Second control signal includes the signal of the electrical connection between turn-on power manager and radio-frequency power amplifier.Trigger is being received
Output switch status signal to switching device, now switch state signal is closure signal during the second control signal.Then derailing switch
Part is closed when switch state signal is received, with the electrical connection between turn-on power manager and radio-frequency power amplifier, from
And power supervisor is powered to radio-frequency power amplifier, mobile terminal can normal talking.
Embodiment 3
Embodiment 3 is substantially the same manner as Example 2, as shown in figure 3, the on-off circuit 2 that difference is the present embodiment is wrapped
N-channel MOS pipe is included, the grid g of the N-channel MOS pipe is electrically connected with processor 3, and source electrode s is electrically connected with radio-frequency power amplifier 4,
Drain electrode d is electrically connected with power supervisor 1.
In the present embodiment, if the offline mode of mobile terminal is opened, processor exports low level (the first control signal),
Now N-channel MOS pipe cut-off, power supervisor stops being powered to radio-frequency power amplifier.If the offline mode of mobile terminal is closed
Close, then processor exports high level (the second control signal), now the conducting of N-channel MOS pipe, power supervisor is put to radio-frequency power
Big device is powered, and mobile terminal can normal talking.
In the present embodiment, in order to carry out voltage-stabilizing protection to on-off circuit, on-off circuit also includes a diode D1 and two
The voltage-regulator diode D2 of individual differential concatenation.Two one end of the voltage-regulator diode D2 of differential concatenation and the grid g of N-channel MOS pipe
Electrical connection, the other end is electrically connected with the source electrode s of the N-channel MOS pipe；The anode of diode D1 and the source electrode s of N-channel MOS pipe
Electrical connection, negative electrode is electrically connected with the drain electrode d of N-channel MOS pipe.
Embodiment 4
Embodiment 4 is substantially the same manner as Example 2, as shown in figure 4, difference is, the on-off circuit bag of the present embodiment
P-channel metal-oxide-semiconductor is included, the grid g of the P-channel metal-oxide-semiconductor is electrically connected with processor 3, and source electrode s is electrically connected with power supervisor 1, drained
D is electrically connected with radio-frequency power amplifier 4.
In the present embodiment, if the offline mode of mobile terminal is opened, processor exports high level (the first control signal),
Now P-channel metal-oxide-semiconductor cut-off, power supervisor stops being powered to radio-frequency power amplifier.If the offline mode of mobile terminal is closed
Close, then processor exports low level (the second control signal), now the conducting of P-channel metal-oxide-semiconductor, power supervisor is put to radio-frequency power
Big device is powered, and mobile terminal can normal talking.
Embodiment 5
Embodiment 5 is substantially the same manner as Example 2, as shown in figure 5, difference is, the on-off circuit bag of the present embodiment
NPN type triode and first resistor R1 are included, the base stage b of the NPN type triode is electrically connected by first resistor R1 with processor 3,
Emitter e is electrically connected with radio-frequency power amplifier 4, and colelctor electrode c is electrically connected with power supervisor 1.
In the present embodiment, if the offline mode of mobile terminal is opened, processor exports low level (the first control signal),
Now NPN type triode cut-off, power supervisor stops being powered to radio-frequency power amplifier.If the offline mode of mobile terminal is closed
Close, then processor exports high level (the second control signal), now NPN type triode conducting, power supervisor is to radio-frequency power
Amplifier is powered, and mobile terminal can normal talking.
Embodiment 6
Embodiment 6 is substantially the same manner as Example 2, as shown in fig. 6, difference is, the present embodiment on-off circuit includes
PNP type triode and second resistance R2, the base stage b of the PNP type triode are electrically connected by second resistance R2 with processor 3, hair
Emitter-base bandgap grading e is electrically connected with power supervisor 1, and colelctor electrode c is electrically connected with radio-frequency power amplifier 4.
In the present embodiment, if the offline mode of mobile terminal is opened, processor exports high level (the first control signal),
Now PNP type triode cut-off, power supervisor stops being powered to radio-frequency power amplifier.If the offline mode of mobile terminal is closed
Close, then processor exports low level (the second control signal), now PNP type triode conducting, power supervisor is to radio-frequency power
Amplifier is powered, and mobile terminal can normal talking.
Present invention additionally comprises mobile terminal, the mobile terminal includes processor, radio-frequency power amplifier and any of the above-described reality
Apply the power-supply management system in example.Processor is electrically connected with power-supply management system and radio-frequency power amplifier respectively.Processor exists
The offline mode for detecting mobile terminal sends the first control signal to power-supply management system when opening, then power-supply management system stops
Only powered to radio-frequency power amplifier.Processor sends the second control signal when the offline mode for detecting mobile terminal is closed
To power-supply management system, then power-supply management system continues to be powered to radio-frequency power amplifier.
Although the foregoing describing specific embodiment of the invention, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of principle of the invention and essence, various changes or modifications can be made to these implementation methods, but these changes and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of power-supply management system of mobile terminal, the mobile terminal includes processor and radio-frequency power amplifier, and it is special
Levy and be, the power-supply management system includes power supervisor and on-off circuit；
The power supervisor is electrically connected with the processor, and the power supervisor is also penetrated by the on-off circuit with described
Frequency power amplifier is electrically connected；The on-off circuit is also electrically connected with the processor；
The processor is used to send the first control signal to described when the offline mode for detecting the mobile terminal is opened
On-off circuit, the on-off circuit is penetrated for disconnecting the power supervisor when first control signal is received with described
Electrical connection between frequency power amplifier.
2. the power-supply management system of mobile terminal as claimed in claim 1, it is characterised in that the processor is additionally operable in inspection
The offline mode for measuring the mobile terminal sends the second control signal to the on-off circuit when closing, the on-off circuit is used
In turning on being electrically connected between the power supervisor and the radio-frequency power amplifier when second control signal is received
Connect.
3. the power-supply management system of mobile terminal as claimed in claim 2, it is characterised in that the on-off circuit includes triggering
Device and switching device, the trigger are electrically connected with the control end and the processor of the switching device respectively, the switch
The input of device is electrically connected with the power supervisor, and output end is electrically connected with the radio-frequency power amplifier；
The trigger is used for the output switch status signal when first control signal or second control signal is received
To the switching device, the switching device is used to perform corresponding action when the switch state signal is received.
4. the power-supply management system of mobile terminal as claimed in claim 3, it is characterised in that the switch state signal includes
Cut-off signal or closure signal.
5. the power-supply management system of mobile terminal as claimed in claim 1, it is characterised in that the on-off circuit includes N ditches
Road metal-oxide-semiconductor, the grid of the N-channel MOS pipe is electrically connected with the processor, and source electrode is electrically connected with the radio-frequency power amplifier
Connect, drain electrode is electrically connected with the power supervisor；
First control signal is low level.
6. the power-supply management system of mobile terminal as claimed in claim 5, it is characterised in that the on-off circuit also includes
Individual diode and two voltage-regulator diodes of differential concatenation；
One end of the voltage-regulator diode of described two differential concatenations electrically connects with the grid of the N-channel MOS pipe, the other end and institute
State the source electrode electrical connection of N-channel MOS pipe；
The anode of the diode is electrically connected with the source electrode of the N-channel MOS pipe, and negative electrode is electric with the drain electrode of the N-channel MOS pipe
Connection.
7. the power-supply management system of mobile terminal as claimed in claim 1, it is characterised in that the on-off circuit includes P ditches
Road metal-oxide-semiconductor, the grid of the P-channel metal-oxide-semiconductor is electrically connected with the processor, and source electrode is electrically connected with the power supervisor, leakage
Pole electrically connects with the radio-frequency power amplifier；
First control signal is high level.
8. the power-supply management system of mobile terminal as claimed in claim 1, it is characterised in that the on-off circuit includes NPN
Type triode and first resistor, the base stage of the NPN type triode are electrically connected by the first resistor with the processor, hair
Emitter-base bandgap grading is electrically connected with the radio-frequency power amplifier, and colelctor electrode is electrically connected with the power supervisor；
First control signal is low level.
9. the power-supply management system of mobile terminal as claimed in claim 1, it is characterised in that the on-off circuit includes PNP
Type triode and second resistance, the base stage of the PNP type triode are electrically connected by the second resistance with the processor, hair
Emitter-base bandgap grading is electrically connected with the power supervisor, and colelctor electrode is electrically connected with the radio-frequency power amplifier；
First control signal is high level.
10. a kind of mobile terminal, it is characterised in that the mobile terminal is included as described in any one in claim 1-9
Power-supply management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086063.9A CN106774795A (en) | 2016-11-30 | 2016-11-30 | Mobile terminal and its power-supply management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086063.9A CN106774795A (en) | 2016-11-30 | 2016-11-30 | Mobile terminal and its power-supply management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106774795A true CN106774795A (en) | 2017-05-31 |
Family
ID=58915025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086063.9A Withdrawn CN106774795A (en) | 2016-11-30 | 2016-11-30 | Mobile terminal and its power-supply management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106774795A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258757A (en) * | 2018-01-02 | 2018-07-06 | 联想(北京)有限公司 | A kind of control method and equipment |
| WO2021259095A1 (en) * | 2020-06-22 | 2021-12-30 | 华为技术有限公司 | Communication device and method for receiving and transmitting signal thereof, and switching circuit |
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| CN201114782Y (en) * | 2007-07-24 | 2008-09-10 | 比亚迪股份有限公司 | Defrosting controller for rear window of a car |
| CN102170499A (en) * | 2011-05-24 | 2011-08-31 | 惠州Tcl移动通信有限公司 | Mobile terminal and power supply control system thereof |
| CN104980014A (en) * | 2015-07-13 | 2015-10-14 | 南宁常萌电子科技有限公司 | APFC method of boost with no DC bias and no electrolytic capacitor |
| CN105227785A (en) * | 2015-10-10 | 2016-01-06 | Tcl移动通信科技（宁波）有限公司 | A kind of power amplifier electricity saving method of mobile terminal and mobile terminal |
| US20160103479A1 (en) * | 2013-03-14 | 2016-04-14 | Quantance, Inc. | Power supply |
| CN105978300A (en) * | 2016-07-13 | 2016-09-28 | 西安交通大学 | Cascading type high-voltage solid-state switch |
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2016
- 2016-11-30 CN CN201611086063.9A patent/CN106774795A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114782Y (en) * | 2007-07-24 | 2008-09-10 | 比亚迪股份有限公司 | Defrosting controller for rear window of a car |
| CN102170499A (en) * | 2011-05-24 | 2011-08-31 | 惠州Tcl移动通信有限公司 | Mobile terminal and power supply control system thereof |
| US20160103479A1 (en) * | 2013-03-14 | 2016-04-14 | Quantance, Inc. | Power supply |
| CN104980014A (en) * | 2015-07-13 | 2015-10-14 | 南宁常萌电子科技有限公司 | APFC method of boost with no DC bias and no electrolytic capacitor |
| CN105227785A (en) * | 2015-10-10 | 2016-01-06 | Tcl移动通信科技（宁波）有限公司 | A kind of power amplifier electricity saving method of mobile terminal and mobile terminal |
| CN105978300A (en) * | 2016-07-13 | 2016-09-28 | 西安交通大学 | Cascading type high-voltage solid-state switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258757A (en) * | 2018-01-02 | 2018-07-06 | 联想(北京)有限公司 | A kind of control method and equipment |
| WO2021259095A1 (en) * | 2020-06-22 | 2021-12-30 | 华为技术有限公司 | Communication device and method for receiving and transmitting signal thereof, and switching circuit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170531 |