CN107171409B - Power management circuit of big dipper personal device RDSS functional module - Google Patents
Power management circuit of big dipper personal device RDSS functional module Download PDFInfo
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- CN107171409B CN107171409B CN201710576179.9A CN201710576179A CN107171409B CN 107171409 B CN107171409 B CN 107171409B CN 201710576179 A CN201710576179 A CN 201710576179A CN 107171409 B CN107171409 B CN 107171409B
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 title description 5
- 239000003990 capacitor Substances 0.000 claims description 45
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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- H02J2007/0067—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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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
Abstract
The invention discloses a power management circuit of an RDSS (radio data service) functional module of a Beidou portable device, which comprises an MCU (microprogrammed control unit); the boosting circuit is respectively connected with the MCU and the battery, and the MCU is connected with an enabling pin of the boosting circuit; the RDSS functional module is connected with the booster circuit; when the RDSS functional module is in a non-working state, the MCU controls the enable pin to be in an invalid state so as to close the power supply of the RDSS functional module. This application passes through MCU control boost circuit's enable switch to whether the power supply of control RDSS functional module is in non-operating condition like this, can make RDSS functional module and relevant circuit reach zero-power consumption, and then avoided the waste of electric energy, realize energy-conserving effect.
Description
Technical Field
The invention relates to the technical field of Beidou navigation, in particular to a power management circuit of an RDSS (remote desktop satellite system) functional module of a Beidou portable device.
Background
With the development and progress of the Beidou navigation technology, various products based on the Beidou navigation technology are derived.
All there is the RDSS function module who is used for realizing the RDSS function in each big dipper navigation product, correspondingly, also there is corresponding power to supply power to the RDSS function module, however, there is not the power management to the RDSS function module at present, can lead to no matter RDSS function module is in operating condition like this, still non-operating state, all supplies power to it, and when the RDSS function module is in non-operating state, continuously to its power supply can cause the waste of electric energy.
Disclosure of Invention
The invention aims to provide a power management circuit of an RDSS (radio data system) functional module of a Beidou portable device, and aims to solve the problem of electric energy waste caused by continuous power supply to the existing RDSS functional module in a non-working state.
In order to solve the technical problem, the invention provides a power management circuit of an RDSS functional module of a Beidou portable device, which comprises an MCU; the boosting circuit is respectively connected with the MCU and the battery, and the MCU is connected with an enabling pin of the boosting circuit; the RDSS functional module is connected with the booster circuit;
when the RDSS functional module is in a non-working state, the MCU controls the enable pin to be in an invalid state so as to close the power supply of the RDSS functional module.
Optionally, the boost circuit includes a power management chip, a first resistor, a second resistor, and a third resistor;
one end of the first resistor is connected with the output end of the power management chip, and the other end of the first resistor is connected with one end of the second resistor; the other end of the second resistor is connected with one end of the third resistor; the other end of the third resistor is grounded;
the common end of the first resistor and the second resistor is connected with the feedback end of the RDSS functional module of the Beidou carry-on device; and the common end of the second resistor and the third resistor is connected with the feedback end of the power management chip.
Optionally, the boost circuit further includes a fourth resistor, a first capacitor, and a second capacitor;
and the COMP pin of the power management chip is respectively connected with one end of the first capacitor and one end of the fourth resistor, the other end of the first capacitor is grounded, the other end of the fourth resistor is connected with one end of the second capacitor, and the other end of the second capacitor is grounded.
Optionally, the boost circuit further includes a first inductor, a third capacitor, and a fifth resistor;
the SW pin of the power management chip is connected with the battery through the first inductor; one end of the first inductor connected with the SW pin is connected with one end of the third capacitor and one end of the fifth resistor respectively, the other end of the third capacitor is connected with the BOOT pin of the power management chip, and the other end of the fifth resistor is connected with the FSW pin of the power management chip.
Optionally, the boost circuit further includes a plurality of capacitors, one end of each capacitor is connected to the output terminal of the power management chip, and the other end of each capacitor is grounded.
Optionally, the boost circuit further includes a sixth resistor and a fourth capacitor;
one end of the sixth resistor is connected with the MCU, the other end of the sixth resistor is respectively connected with the enabling pin of the power management chip and one end of the fourth capacitor, and the other end of the fourth capacitor is grounded.
The invention provides a power management circuit of an RDSS functional module of a Beidou portable device, which comprises an MCU; the boosting circuit is respectively connected with the MCU and the battery, and the MCU is connected with an enabling pin of the boosting circuit; the RDSS functional module is connected with the booster circuit; when the RDSS functional module is in a non-working state, the MCU controls the enable pin to be in an invalid state so as to close the power supply of the RDSS functional module. This application passes through MCU control boost circuit's enable switch to whether the power supply of control RDSS functional module is in non-operating condition like this, can make RDSS functional module and relevant circuit reach zero-power consumption, and then avoided the waste of electric energy, realize energy-conserving effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a power management circuit of an RDSS functional module of a big dipper carry-on device according to an embodiment of the present invention;
fig. 2 is a detailed implementation diagram of the boost circuit according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a power management circuit of an RDSS functional module of a big dipper carry-on device according to an embodiment of the present invention, where the power management circuit includes an MCU11; the boosting circuit 13 is respectively connected with the MCU and the battery 12, and the MCU is connected with an enabling pin of the boosting circuit; an RDSS function block 14 connected to the boost circuit; when the RDSS functional module is in a non-working state, the MCU controls the enable pin to be in an invalid state so as to close the power supply of the RDSS functional module.
It will be appreciated that the MCU may specifically enable/disable the pins accordingly by sending different enable signals. Specifically, the enable pin may be respectively represented as invalid/valid by 0/1, that is, the MCU may transmit a low/high signal to achieve a corresponding control purpose. When the enable pin of the boost circuit is in an invalid state, the whole boost circuit does not work to turn off the power supply of the RDSS functional module.
And when the RDSS functional module is in the working state again, the enabling pin of the booster circuit can be controlled to be in the effective state, so that the whole booster circuit recovers to work to provide electric energy for the RDSS functional module.
To better describe the specific structure of the boost circuit, reference will be made to fig. 2, where fig. 2 is a specific implementation diagram of the boost circuit according to an embodiment of the present invention.
As a specific embodiment, the boost circuit includes a power management chip U3200, a first resistor R3205, a second resistor R3206 and a third resistor R3207;
one end of the first resistor is connected with the output end VOUT of the power management chip, and the other end of the first resistor is connected with one end of the second resistor; the other end of the second resistor is connected with one end of a third resistor; the other end of the third resistor is grounded;
the common end of the first resistor and the second resistor is connected with the feedback end of the RDSS functional module of the Beidou portable device, namely the common end of the R3205 and the R3206 is connected with the feedback of the RDSS functional module, and the range of the feedback can be [11, 16]; the common terminal of the second resistor and the third resistor is connected to the feedback terminal of the power management chip, i.e., the common terminal of R3206 and R3207 is connected to the FB pin of U3200.
It can be understood that through first resistance, second resistance, third resistance, R3205 in fig. 2, R3206, R3207's different configurations promptly, can obtain different output voltage, realize different voltage through single chip, single circuit promptly and boost, avoided multi-chip, multicircuit to realize the drawback that different voltage boosts, further simplified circuit has reduced the degree of difficulty for small-size big dipper product design.
Of course, the boost circuit may further include other necessary peripheral circuits, and specifically, may include a fourth resistor R3204, a first capacitor C3209, and a second capacitor C3207;
the COMP pin of the power management chip U3200 is respectively connected with one end of a first capacitor and one end of a fourth resistor, the other end of the first capacitor is grounded, the other end of the fourth resistor is connected with one end of a second capacitor, and the other end of the second capacitor is grounded.
The boost circuit may further include a first inductor L3200, a third capacitor C3203, and a fifth resistor R3201;
the SW pin of the power management chip U3200 is connected with the VBAT end of the battery through a first inductor; one end of the first inductor connected with the SW pin is connected with one end of a third capacitor and one end of a fifth resistor respectively, the other end of the third capacitor is connected with the BOOT pin of the power management chip U3200, and the other end of the fifth resistor is connected with the FSW pin of the power management chip.
The booster circuit can further comprise a plurality of capacitors, one end of each capacitor is connected with the output end of the power management chip, and the other end of each capacitor is grounded. The capacitors are specifically C3208, C3212, C3213, C3214, C3210, and C3211 in fig. 2, and their specific connection relationships are shown in fig. 2.
The boost circuit may further include a sixth resistor R3202 and a fourth capacitor C3205, one end of the sixth resistor is connected to the MCU, the other end of the sixth resistor is connected to the EN pin of the power management chip and one end of the fourth capacitor, respectively, and the other end of the fourth capacitor is grounded.
The boost circuit may further include other peripheral circuit structures, and please refer to fig. 2 specifically, which is not described herein again.
The power management circuit of the RDSS functional module of the Beidou portable device provided by the embodiment comprises an MCU; the boosting circuit is respectively connected with the MCU and the battery, and the MCU is connected with an enabling pin of the boosting circuit; the RDSS functional module is connected with the booster circuit; when the RDSS functional module is in a non-working state, the MCU controls the enable pin to be in an invalid state so as to close the power supply of the RDSS functional module. The enabling switch of the booster circuit is controlled by the MCU to control whether the RDSS functional module supplies power or not, so that when the RDSS functional module is in a non-working state, the RDSS functional module and related circuits can achieve zero power consumption, waste of electric energy is avoided, and an energy-saving effect is achieved.
The power management circuit of the RDSS functional module of the Beidou portable device provided by the invention is introduced in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. A power management circuit of an RDSS functional module of a Beidou portable device is characterized by comprising an MCU; the boosting circuit is respectively connected with the MCU and the battery, and the MCU is connected with an enabling pin of the boosting circuit; the RDSS functional module is connected with the booster circuit;
when the RDSS functional module is in a non-working state, the MCU controls the enable pin to be in an invalid state so as to close the power supply of the RDSS functional module;
the booster circuit comprises a power management chip, a first resistor, a second resistor and a third resistor;
one end of the first resistor is connected with the output end of the power management chip, and the other end of the first resistor is connected with one end of the second resistor; the other end of the second resistor is connected with one end of the third resistor; the other end of the third resistor is grounded;
the common end of the first resistor and the second resistor is connected with the feedback end of the RDSS functional module of the Beidou portable device; and the common end of the second resistor and the third resistor is connected with the feedback end of the power management chip.
2. The power management circuit of claim 1, wherein the boost circuit further comprises a fourth resistor, a first capacitor, a second capacitor;
and the COMP pin of the power management chip is respectively connected with one end of the first capacitor and one end of the fourth resistor, the other end of the first capacitor is grounded, the other end of the fourth resistor is connected with one end of the second capacitor, and the other end of the second capacitor is grounded.
3. The power management circuit of claim 2, wherein the boost circuit further comprises a first inductor, a third capacitor, a fifth resistor;
the SW pin of the power management chip is connected with the battery through the first inductor; one end of the first inductor connected with the SW pin is connected with one end of the third capacitor and one end of the fifth resistor respectively, the other end of the third capacitor is connected with the BOOT pin of the power management chip, and the other end of the fifth resistor is connected with the FSW pin of the power management chip.
4. The power management circuit of claim 3 wherein the boost circuit further comprises a plurality of capacitors, each capacitor having one end connected to the output of the power management chip and the other end connected to ground.
5. The power management circuit of claim 4, wherein the boost circuit further comprises a sixth resistor, a fourth capacitor;
one end of the sixth resistor is connected with the MCU, the other end of the sixth resistor is respectively connected with the enable pin of the power management chip and one end of the fourth capacitor, and the other end of the fourth capacitor is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576179.9A CN107171409B (en) | 2017-07-14 | 2017-07-14 | Power management circuit of big dipper personal device RDSS functional module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576179.9A CN107171409B (en) | 2017-07-14 | 2017-07-14 | Power management circuit of big dipper personal device RDSS functional module |
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| Publication Number | Publication Date |
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| CN107171409A CN107171409A (en) | 2017-09-15 |
| CN107171409B true CN107171409B (en) | 2023-04-07 |
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| CN201710576179.9A Active CN107171409B (en) | 2017-07-14 | 2017-07-14 | Power management circuit of big dipper personal device RDSS functional module |
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| CN101718568B (en) * | 2009-12-30 | 2011-02-09 | 河南新天科技股份有限公司 | Automatic meter reading system for water meters through short messages |
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| CN104391321B (en) * | 2014-12-16 | 2017-05-24 | 吉林大学 | Low-power-consumption power supply management system and management method for cable-less storage type seismograph |
| CN105098918B (en) * | 2015-08-25 | 2017-06-30 | 青岛歌尔声学科技有限公司 | A kind of battery feed circuit and the power supply with the circuit |
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2017
- 2017-07-14 CN CN201710576179.9A patent/CN107171409B/en active Active
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| JP2009037936A (en) * | 2007-08-03 | 2009-02-19 | Hitachi Medical Corp | High voltage switch control circuit, and x-ray device using the same |
| CN202268711U (en) * | 2011-06-23 | 2012-06-06 | 北京华辰北斗信息技术有限公司 | Power source module compatible with various batteries and GPS (global positioning system) receiving equipment |
| CN103886277A (en) * | 2014-03-19 | 2014-06-25 | 深圳创维－Rgb电子有限公司 | Bar code data distribution instrument and bar code data distribution system |
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