CN105207475A - Power circuit of automobile remote control device - Google Patents
Power circuit of automobile remote control device Download PDFInfo
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- CN105207475A CN105207475A CN201510682678.7A CN201510682678A CN105207475A CN 105207475 A CN105207475 A CN 105207475A CN 201510682678 A CN201510682678 A CN 201510682678A CN 105207475 A CN105207475 A CN 105207475A
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Abstract
The invention discloses a power circuit of an automobile remote control device. The power circuit comprises a power supply conversion chip U20, a diode D44, a plurality of capacitors, a plurality of resistors and a chip inductor FB12. According to the power circuit of the automobile remote control device, the function of voltage change can be achieved through an energy storage inductor, a power supply conversion chip U4 and the diode; the obtained voltage is relatively stable; the circuit is simple in structure, relatively low in cost, and relatively high in stability.
Description
Technical field
The present invention relates to a kind of power circuit of automobile remote-controller.
Background technology
Vehicle remote controller is connected with the various control circuits of automotive interior, for the various state informations (such as closing of the door, parking brake state, range state etc.) of automobile to be sent to the mobile terminal (such as mobile phone, panel computer, removable computer etc.) of car owner by wireless communication networks, be convenient to that user is long-range to be monitored automobile.Therefore, vehicle remote controller needs constantly work, and needing power supply is constantly its power supply, and the circuit structure of existing vehicle remote controller is all comparatively complicated, and manufacturing cost is higher, and and unstable.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: provide that a kind of structure is simple, cost is lower and the power circuit of the automobile remote-controller that stability is higher.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the power circuit providing a kind of automobile remote-controller, comprises power conversion chip U20, diode D44, some electric capacity, some resistance and chip inductor FB12; The voltage input end of described power conversion chip U20 is successively by a resistance R185, a resistance R180 ground connection, node between the voltage input end of described power conversion chip U20 and described resistance R185 is by an electric capacity C137 ground connection, and the voltage input end of described power conversion chip U20 also connects 12V power supply; The Enable Pin of described power conversion chip U20 is connected with the Master control chip of remote controllers by a resistance R313; The slow turn-on end ground connection of described power conversion chip U20; The reversion pin of described power conversion chip U20 is connected with one end of a resistance R184, the other end ground connection of described resistance R184; The amplification pin of described power conversion chip U20 is connected with one end of an electric capacity C34, and the other end of described electric capacity C34 is connected with one end of a resistance R181, the other end ground connection of described resistance R181; The direct ground connection of earth terminal of described power conversion chip U20; The flash end of described power conversion chip U20 is connected with one end of an electric capacity C33, and the other end of described electric capacity C33 is connected with the start end of described power conversion chip U20; The flash end of described power conversion chip U20 is also connected with the negative electrode of described diode D44, the plus earth of described diode D44; The negative electrode of described diode D44 is also connected with one end of a chip inductor FB12, the other end of described chip inductor FB12 is connected with one end of a resistance R182, the other end of described resistance R182 is connected with one end of a resistance R183, and the other end of described resistance R183 is connected with one end of described resistance R184; One end of node between described chip inductor FB12 with a described resistance R182 also electric capacity C37 is connected, and the other end ground connection of described electric capacity C37, one end of described electric capacity C37 also meets supply voltage M35_VBAT.
As optimization, also comprise an electric capacity C36, the slow turn-on end of described power conversion chip U20 is by electric capacity C36 ground connection.
As optimization, also comprise an electric capacity C35, one end of described electric capacity C35 is connected with the other end of described chip inductor FB12, the direct ground connection of the other end of described electric capacity C35.
As optimization, also comprise an electric capacity C43, described electric capacity C43 and described electric capacity C35 is connected in parallel.
As optimization, also comprise an electric capacity C44, described electric capacity C44 and described electric capacity C43 is connected in parallel.
As optimization, also comprise an electric capacity C138, described electric capacity C138 and electric capacity C137 is connected in parallel.
As optimization, also comprise an electric capacity C139, described electric capacity C139 and electric capacity C137 is connected in parallel.
As optimization, the amplification pin of described power conversion chip U20 is also connected with one end of an electric capacity C144, the other end ground connection of described electric capacity C144.
The power circuit of remote controllers of the present invention is by energy storage inductor, and power conversion chip U20, diode can realize the function of voltage transformation, and the voltage obtained is comparatively stable.Above-mentioned circuit configuration is simple, cost is lower and stability is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit theory diagrams of the power circuit of automobile remote-controller of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the circuit theory diagrams of the power circuit of automobile remote-controller of the present invention.The power circuit of the automobile remote-controller of the present embodiment comprises power conversion chip U20, diode D44, some electric capacity and some resistance.
Described power conversion chip U20 adopts the single-chip microcomputer of TPS54331 model.The voltage input end VIN of described power conversion chip U20 is successively by a resistance R185, a resistance R180 ground connection, node between the voltage input end VIN of described power conversion chip U20 and described resistance R185 is by an electric capacity C139 ground connection, one electric capacity C138, an electric capacity C137 are connected in parallel with described electric capacity C139 respectively, and the node between described electric capacity C138 and electric capacity C137 also connects 12V power supply.
The Enable Pin EN of described power conversion chip U20 is connected with the PTE2/SS pin of the Master control chip of remote controllers by a resistance R313.
The slow turn-on end SS of described power conversion chip U20 is connected with one end of an electric capacity C36, the other end ground connection of described electric capacity C36.
The reversion pin VSNS of described power conversion chip U20 is connected with one end of a resistance R184, the other end ground connection of described resistance R184.
The amplification pin COMP of described power conversion chip U20 is connected with one end of an electric capacity C34, and the other end of described electric capacity C34 is connected with one end of a resistance R181, the other end ground connection of described resistance R181; The amplification pin COMP of described power conversion chip U20 is also connected with one end of an electric capacity C144, the other end ground connection of described electric capacity C144.
The direct ground connection of earth terminal GND of described power conversion chip U20.
The flash end PH of described power conversion chip U20 is connected with one end of an electric capacity C33, and the other end of described electric capacity C33 is connected with the start end BOOT of described power conversion chip U20.The flash end PH of described power conversion chip U20 is also connected with the negative electrode of described diode D44, the plus earth of described diode D44.The negative electrode of described diode D44 is also connected with one end of a chip inductor FB12, the other end of described chip inductor FB12 is connected with one end of a resistance R182, the other end of described resistance R182 is connected with one end of a resistance R183, and the other end of described resistance R183 is connected with one end of described resistance R184.
Node between described chip inductor FB12 with described resistance R182 is also connected with one end of an electric capacity C35, the other end ground connection of described electric capacity C35.Node between described electric capacity C35 with described resistance R182 is connected with one end of an electric capacity C43, the other end ground connection of described electric capacity C43.Node between described electric capacity C43 with described electric capacity C35 is connected with one end of an electric capacity C44, the other end ground connection of described electric capacity C44.Node between described electric capacity C44 with described electric capacity C43 is connected with one end of an electric capacity C37, the other end ground connection of described electric capacity C37, and the node between described electric capacity C44 and described electric capacity C43 also meets supply voltage M35_VBAT.
The power circuit of remote controllers of the present invention is by energy storage inductor, and power conversion chip U20, diode can realize the function of voltage transformation, and the voltage obtained is comparatively stable.Above-mentioned circuit configuration is simple, cost is lower and stability is higher.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a power circuit for automobile remote-controller, is characterized in that: comprise power conversion chip U20, diode D44, some electric capacity, some resistance and chip inductor FB12;
The voltage input end of described power conversion chip U20 is successively by a resistance R185, a resistance R180 ground connection, node between the voltage input end of described power conversion chip U20 and described resistance R185 is by an electric capacity C137 ground connection, and the voltage input end of described power conversion chip U20 also connects 12V power supply; The Enable Pin of described power conversion chip U20 is connected with the Master control chip of remote controllers by a resistance R313; The slow turn-on end ground connection of described power conversion chip U20; The reversion pin of described power conversion chip U20 is connected with one end of a resistance R184, the other end ground connection of described resistance R184; The amplification pin of described power conversion chip U20 is connected with one end of an electric capacity C34, and the other end of described electric capacity C34 is connected with one end of a resistance R181, the other end ground connection of described resistance R181; The direct ground connection of earth terminal of described power conversion chip U20; The flash end of described power conversion chip U20 is connected with one end of an electric capacity C33, and the other end of described electric capacity C33 is connected with the start end of described power conversion chip U20; The flash end of described power conversion chip U20 is also connected with the negative electrode of described diode D44, the plus earth of described diode D44; The negative electrode of described diode D44 is also connected with one end of a chip inductor FB12, the other end of described chip inductor FB12 is connected with one end of a resistance R182, the other end of described resistance R182 is connected with one end of a resistance R183, and the other end of described resistance R183 is connected with one end of described resistance R184;
One end of node between described chip inductor FB12 with a described resistance R182 also electric capacity C37 is connected, and the other end ground connection of described electric capacity C37, one end of described electric capacity C37 also meets supply voltage M35_VBAT.
2. the power circuit of automobile remote-controller as claimed in claim 1, is characterized in that: also comprise an electric capacity C36, and the slow turn-on end of described power conversion chip U20 is by electric capacity C36 ground connection.
3. the power circuit of automobile remote-controller as claimed in claim 2, it is characterized in that: also comprise an electric capacity C35, one end of described electric capacity C35 is connected with the other end of described chip inductor FB12, the direct ground connection of the other end of described electric capacity C35.
4. the power circuit of automobile remote-controller as claimed in claim 3, it is characterized in that: also comprise an electric capacity C43, described electric capacity C43 and described electric capacity C35 is connected in parallel.
5. the power circuit of automobile remote-controller as claimed in claim 4, it is characterized in that: also comprise an electric capacity C44, described electric capacity C44 and described electric capacity C43 is connected in parallel.
6. the power circuit of automobile remote-controller as claimed in claim 5, it is characterized in that: also comprise an electric capacity C138, described electric capacity C138 and electric capacity C137 is connected in parallel.
7. the power circuit of automobile remote-controller as claimed in claim 6, it is characterized in that: also comprise an electric capacity C139, described electric capacity C139 and electric capacity C137 is connected in parallel.
8. the power circuit of automobile remote-controller as claimed in claim 6, is characterized in that: the amplification pin of described power conversion chip U20 is also connected with one end of an electric capacity C144, the other end ground connection of described electric capacity C144.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510682678.7A CN105207475A (en) | 2015-10-21 | 2015-10-21 | Power circuit of automobile remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510682678.7A CN105207475A (en) | 2015-10-21 | 2015-10-21 | Power circuit of automobile remote control device |
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| Publication Number | Publication Date |
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| CN105207475A true CN105207475A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510682678.7A Pending CN105207475A (en) | 2015-10-21 | 2015-10-21 | Power circuit of automobile remote control device |
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| CN (1) | CN105207475A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181493A1 (en) * | 2016-04-20 | 2017-10-26 | 成都艾尔伯特科技有限责任公司 | Power circuit for led light adjusting plate |
| CN107977039A (en) * | 2017-12-28 | 2018-05-01 | 北京北广科技股份有限公司 | The random waveform long-range control method of high power amplifier |
| CN108107966A (en) * | 2017-12-28 | 2018-06-01 | 北京北广科技股份有限公司 | A kind of remote control High power amplifier circuits and its application method |
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| CN201732337U (en) * | 2010-09-01 | 2011-02-02 | 福建三元达软件有限公司 | Switching circuit of handheld device |
| CN102523402A (en) * | 2011-12-29 | 2012-06-27 | 深圳Tcl新技术有限公司 | Intelligent television remote controller and power-saving method thereof |
| US20120293898A1 (en) * | 2011-05-20 | 2012-11-22 | Sercomm Corporation | Thermal Cutoff Circuit |
| CN104333238A (en) * | 2014-10-17 | 2015-02-04 | 重庆金宏汽车电子有限公司 | Power supply circuit for navigation device |
| CN205092769U (en) * | 2015-10-21 | 2016-03-16 | 重庆金宏汽车电子有限公司 | Power supply circuit of automobile remote control ware |
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2015
- 2015-10-21 CN CN201510682678.7A patent/CN105207475A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201732337U (en) * | 2010-09-01 | 2011-02-02 | 福建三元达软件有限公司 | Switching circuit of handheld device |
| US20120293898A1 (en) * | 2011-05-20 | 2012-11-22 | Sercomm Corporation | Thermal Cutoff Circuit |
| CN102523402A (en) * | 2011-12-29 | 2012-06-27 | 深圳Tcl新技术有限公司 | Intelligent television remote controller and power-saving method thereof |
| CN104333238A (en) * | 2014-10-17 | 2015-02-04 | 重庆金宏汽车电子有限公司 | Power supply circuit for navigation device |
| CN205092769U (en) * | 2015-10-21 | 2016-03-16 | 重庆金宏汽车电子有限公司 | Power supply circuit of automobile remote control ware |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181493A1 (en) * | 2016-04-20 | 2017-10-26 | 成都艾尔伯特科技有限责任公司 | Power circuit for led light adjusting plate |
| CN107977039A (en) * | 2017-12-28 | 2018-05-01 | 北京北广科技股份有限公司 | The random waveform long-range control method of high power amplifier |
| CN108107966A (en) * | 2017-12-28 | 2018-06-01 | 北京北广科技股份有限公司 | A kind of remote control High power amplifier circuits and its application method |
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Application publication date: 20151230 |