CN102170499B - Mobile terminal and power supply control system thereof - Google Patents
Mobile terminal and power supply control system thereof Download PDFInfo
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- CN102170499B CN102170499B CN2011101356147A CN201110135614A CN102170499B CN 102170499 B CN102170499 B CN 102170499B CN 2011101356147 A CN2011101356147 A CN 2011101356147A CN 201110135614 A CN201110135614 A CN 201110135614A CN 102170499 B CN102170499 B CN 102170499B
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- 238000005516 engineering process Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000010295 mobile communication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a mobile terminal and a power supply control system thereof. The system comprises a baseband chip, a power supply management unit, a control switch and a functional module, wherein the power supply management unit is connected with the baseband chip; the control switch comprises a first end, a second end and a control end; the control end is used for controlling on-off between the first end and the second end; a power supply pin of the functional module is connected with the first end of the control switch; the power supply management unit is connected with the second end of the control switch; and the baseband chip is connected with the control end of the control switch, enables the first end to be disconnected with the second end through the control end while thefunctional module does not work, and the first end to be connected with the second end through the control end while the functional module is in working. By using the invention, an electric leakage situation of the mobile terminal is effectively improved, and a standby capacity of the mobile terminal is largely improved.
Description
Technical field
The invention belongs to technical field of mobile terminals, relate in particular to a kind of portable terminal and power control system thereof.
Background technology
Along with the function of portable terminals such as mobile phone is more and more, mobile phone is used and is also become increasingly complex, and directly causes the power consumption of mobile phone increasing, and then makes stand-by time shorten.
In the mobile phone design of prior art, different functional modules generally also can be turned off the power supply of this functional module obsolete the time.But even under the situation of the power supply of turning off the corresponding function module, still there is quiescent current in these functional modules, cause the mobile phone electric leakage.
See also Fig. 1, Fig. 1 is each functional module power supply schematic diagram of portable terminal of the prior art, comprises baseband chip 11', Power Management Unit 12' and radiofrequency launcher 15'.
The power supply of cell-phone function module of the prior art, be that Power Management Unit 12' by mobile phone directly links corresponding functional module with the output pin of power supply, mostly this class power supply is linear power supply (Low Drop Output, LDO), Switching Power Supply (Direct Current to Direct Current, DC-DC) or cell voltage directly power.
For linear power supply and Switching Power Supply, even under the situation that enable switch is turn-offed, because the existence of input power supply, still can there be a spot of static leakage current in power module circuitry, and this static leakage current is generally about 10 microamperes.The standby current of current general mobile phone is about 2 milliamperes, suppose that the independent power module that needs is 10, a general functional module needs the power supply power supply of 2 to 5 different voltages, here be assumed to 2, like this, leakage current is approximately 2 * 10 * 10 microamperes=200 microamperes=0.2 milliampere, and 0.2 milliampere/2 milliamperes=10%, and in real process, this percentage is about 20%.
Obviously, under holding state, it is more serious that the electric leakage situation just seems, especially under the increasing situation of current phone function.
To sum up, how eliminating the electric leakage situation under the holding state effectively, promote the standby ability of portable terminals such as mobile phone, is one of direction of technical field of mobile terminals research.
Summary of the invention
The object of the present invention is to provide a kind of portable terminal and power control system thereof, be intended to eliminate effectively the electric leakage situation, promote the standby ability of portable terminal.
The present invention is achieved in that a kind of power control system of portable terminal, comprising:
Baseband chip, Power Management Unit, control switch and functional module;
Described Power Management Unit connects described baseband chip;
Described control switch comprises first end, second end and control end, and described control end is used for the break-make between control first end and second end;
The power pin of described functional module connects first end of control switch, and described Power Management Unit connects second end of control switch; Described baseband chip connects the control end of described control switch by universal input/output interface GPIO, and when described functional module is not worked, make between first end and second end by control end and disconnect, when described functional module work, make between first end and second end by control end to be communicated with;
Described control switch is integrated in described Power Management Unit or the described functional module, described control switch is triode, corresponding described first end of the emitter of described triode, corresponding described second end of the collector electrode of described triode, the corresponding described control end of the base stage of described triode;
Described Power Management Unit is linear power supply, Switching Power Supply or battery;
Described functional module comprises power amplifier, frequency filter, display, touch-screen, camera, bluetooth, WLAN (wireless local area network), broadcast receiver, global positioning system, near-field communication and transducer, described power amplifier, frequency filter, display, touch-screen, camera, bluetooth, WLAN (wireless local area network), broadcast receiver, global positioning system, near-field communication and transducer respectively are furnished with independent described control switch, wherein, power amplifier comprises the power amplifier of second generation mobile communication technology (2G) radiofrequency signal and the power amplifier of 3G (Third Generation) Moblie technology (3G) radiofrequency signal, and frequency filter comprises second generation mobile communication technology (2G) tranmitting frequency filter and 3G (Third Generation) Moblie technology (3G) tranmitting frequency filter.
The present invention is achieved in that a kind of portable terminal, and described portable terminal comprises the power control system of portable terminal provided by the invention.
Among the present invention, by between the power pin of functional module and Power Management Unit, a control switch being set, control described control switch by baseband chip, when described functional module is not worked, make between first end and second end by control end and disconnect, when the work of described functional module, make between first end and second end by control end and be communicated with, eliminate the electric leakage situation effectively, greatly promote the standby ability of portable terminal, be beneficial to the popularization of portable terminal.
Description of drawings
Fig. 1 is each functional module power supply schematic diagram of portable terminal of the prior art;
Fig. 2 is the structure chart of the power control system embodiment of portable terminal of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Fig. 2 shows the structure of the power control system embodiment of portable terminal of the present invention.
The power control system of described portable terminal comprises baseband chip 11, Power Management Unit 12, control switch 13 and a plurality of functional module 14.Wherein, described Power Management Unit 12 connects described baseband chip 11.
Described control switch 13 comprises first end 131, second end 132 and control end (scheming not shown), and described control end is used for the break-make between control first end 131 and second end 132.
The power pin of described functional module 14 connects first end 131 of control switch 13, and described Power Management Unit 12 connects second end 132 of control switch 13.
In specific implementation process, described baseband chip 11 connects the control end of described control switch 13, and when described functional module 14 is not worked, make by control end between first end 131 and second end 132 and disconnect, when described functional module 14 work, make between first end 131 and second end 132 by control end to be communicated with.
In specific implementation process, described baseband chip 11 connects the control end of control switch 13 by universal input/output interface GPIO.
Wherein, described control switch 13 is integrated in described Power Management Unit 12 or the described functional module 14.
Wherein, described control switch 13 is triode, corresponding described first end 131 of the emitter of described triode, corresponding described second end 132 of the collector electrode of described triode, the corresponding described control end of the base stage of described triode.
Wherein, described functional module 14 comprises power amplifier and frequency filter, and described power amplifier and frequency filter respectively are furnished with independent control switch.Described system also comprises radiofrequency launcher 15, and described radiofrequency launcher 15 connects described power amplifier and frequency filter.
Wherein, power amplifier comprise global system for mobile communications (Global System of Mobile communication, GSM)-PA and 3G-PA, wherein, GSM – PA is the power amplifier of 2G radiofrequency signal; 3G – PA is the power amplifier of 3G radiofrequency signal.3G-PA is divided into 3G-BAND1-PA, 3G-BAND2-PA and 3G-BAND3-PA.
Frequency filter comprise GSM-TX – SAW and 3G-TX – surface acoustic wave (Surface Acoustic Wave, SAW), wherein, GSM TX SAW is 2G tranmitting frequency filter; 3G TX SAW is 3G tranmitting frequency filter.
Described functional module 14 comprises display, touch-screen and camera, and described display, touch-screen and camera respectively are furnished with independent control switch.
Wherein, described functional module 14 comprises bluetooth and WLAN (wireless local area network), and described bluetooth and WLAN (wireless local area network) respectively are furnished with independent control switch.
Wherein, described functional module 14 comprises broadcast receiver, the global positioning system near-field communication of unifying, and described broadcast receiver, the global positioning system near-field communication of unifying respectively is furnished with independent control switch.
Wherein, described functional module 14 comprises transducer, and described transducer respectively is furnished with independent control switch.
The more detailed functional description of each module of the present invention is as follows.
Radio-frequency (RF) transceiver 13 is that the radio frequency of mobile terminal call receives and transmitting chip.
Each functional module of the present invention is described below among Fig. 2.
BT is bluetooth;
WIFI is WLAN (wireless local area network);
FM is broadcast receiver;
GPS is global positioning system;
NFC is near-field communication;
Sensors is transducer, as the acceleration of gravity meter, and ambient light sensor, proximity transducer, digital compass and gyroscope etc.
Camera is camera;
LCD is display;
Touch panel is touch-screen;
Audio PA is the loudspeaker power amplifier.
Among the present invention, by between the power pin of functional module and Power Management Unit, a control switch being set, control described control switch by baseband chip, when described functional module is not worked, make between first end and second end by control end and disconnect, when the work of described functional module, make between first end and second end by control end and be communicated with, eliminate the electric leakage situation effectively, greatly promote the standby ability of portable terminal, be beneficial to the popularization of portable terminal
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the power control system of a portable terminal is characterized in that, comprising:
Baseband chip, Power Management Unit, control switch and functional module;
Described Power Management Unit connects described baseband chip;
Described control switch comprises first end, second end and control end, and described control end is used for the break-make between control first end and second end;
The power pin of described functional module connects first end of control switch, and described Power Management Unit connects second end of control switch;
Described baseband chip connects the control end of described control switch by universal input/output interface GPIO, and when described functional module is not worked, make between first end and second end by control end and disconnect, when described functional module work, make between first end and second end by control end to be communicated with;
Described control switch is integrated in described Power Management Unit or the described functional module, described control switch is triode, corresponding described first end of the emitter of described triode, corresponding described second end of the collector electrode of described triode, the corresponding described control end of the base stage of described triode;
Described Power Management Unit is linear power supply, Switching Power Supply or battery;
Described functional module comprises power amplifier, frequency filter, display, touch-screen, camera, bluetooth, WLAN (wireless local area network), broadcast receiver, global positioning system, near-field communication and transducer, described power amplifier, frequency filter, display, touch-screen, camera, bluetooth, WLAN (wireless local area network), broadcast receiver, global positioning system, near-field communication and transducer respectively are furnished with independent described control switch, wherein, power amplifier comprises the power amplifier of second generation mobile communication technology (2G) radiofrequency signal and the power amplifier of 3G (Third Generation) Moblie technology (3G) radiofrequency signal, and frequency filter comprises second generation mobile communication technology (2G) tranmitting frequency filter and 3G (Third Generation) Moblie technology (3G) tranmitting frequency filter.
2. a portable terminal is characterized in that, described portable terminal comprises the power control system of the described portable terminal of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101356147A CN102170499B (en) | 2011-05-24 | 2011-05-24 | Mobile terminal and power supply control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101356147A CN102170499B (en) | 2011-05-24 | 2011-05-24 | Mobile terminal and power supply control system thereof |
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| Publication Number | Publication Date |
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| CN102170499A CN102170499A (en) | 2011-08-31 |
| CN102170499B true CN102170499B (en) | 2013-10-02 |
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| CN2011101356147A Expired - Fee Related CN102170499B (en) | 2011-05-24 | 2011-05-24 | Mobile terminal and power supply control system thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6195172B2 (en) * | 2012-09-04 | 2017-09-13 | パナソニックＩｐマネジメント株式会社 | Terminal apparatus and control method |
| KR101979665B1 (en) * | 2012-11-22 | 2019-05-20 | 삼성전자 주식회사 | A Method For Driving Condition Control based on Driving state and Electronic Device supporting the same |
| CN104410755A (en) * | 2014-12-12 | 2015-03-11 | 广西大学 | Intelligent mobile phone with detecting, identifying and learning functions |
| CN105530104B (en) * | 2015-11-27 | 2018-07-24 | 上海斐讯数据通信技术有限公司 | Enabled control circuit and control method |
| CN106060904A (en) * | 2016-04-13 | 2016-10-26 | 卓荣集成电路科技有限公司 | Power supply management system and method for bluetooth chip |
| CN106774795A (en) * | 2016-11-30 | 2017-05-31 | 上海摩软通讯技术有限公司 | Mobile terminal and its power-supply management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1421490B1 (en) * | 2001-08-29 | 2006-04-12 | Analog Devices, Inc. | Methods and apparatus for improving throughput of cache-based embedded processors by switching tasks in response to a cache miss |
| CN100590989C (en) * | 2007-01-12 | 2010-02-17 | 上海复旦微电子股份有限公司 | Near-field communication handset with multi-way switch interface and method of power supply and communication thereof |
| CN101493490B (en) * | 2009-02-23 | 2013-03-27 | 华为终端有限公司 | Terminal port insertion detection circuit |
| CN201623750U (en) * | 2009-12-29 | 2010-11-03 | 比亚迪股份有限公司 | Mobile terminal with expansion function and system for realizing mobile terminal expansion function |
| CN101771755B (en) * | 2009-12-30 | 2014-08-13 | 重庆重邮信科通信技术有限公司 | Electricity-saving control device for baseband chip of mobile terminal |
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Effective date of registration: 20201230 Address after: 224400 No.16 (V) Industrial Park, Luoqiao Town, Funing County, Yancheng City, Jiangsu Province Patentee after: Jiangsu Huixian environmental protection equipment Co.,Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |
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Granted publication date: 20131002 |