CN102522893A - Novel power supply circuit - Google Patents
Novel power supply circuit Download PDFInfo
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- CN102522893A CN102522893A CN201110420463XA CN201110420463A CN102522893A CN 102522893 A CN102522893 A CN 102522893A CN 201110420463X A CN201110420463X A CN 201110420463XA CN 201110420463 A CN201110420463 A CN 201110420463A CN 102522893 A CN102522893 A CN 102522893A
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Abstract
The invention provides a novel power supply circuit, belonging to the low voltage power supply circuit technology field. A technical problem to be solved is providing a power supply circuit capable of driving a multipath chip module to work. An employed technical scheme is as follows: an anode of a battery BT1 is connected with an anode of a diode D1, a cathode of the diode D1 is connected with an 1 foot of a switch voltage stabilizer, the 1 foot of the switch voltage stabilizer is connected with one end of a capacitor C1, a 4 foot of the switch voltage stabilizer is in parallel connection with one end of a resistor R1 and then is connected with one end of a variable resistor R2, a 2 foot of the switch voltage stabilizer is in parallel connection with a cathode of a voltage stabilizing diode D2 and then is connected with one end of an inductor L1, the other end of the inductor L1 is in parallel connection with an end of a capacitor C2 and the other end of the resistor R1 and then is connected with an anode of a capacitor C3, and the anode of the capacitor C3 is a +4.2V power supply output port. The invention is suitable for the chip control circuit field.
Description
Technical field
Novel power supply circuit of the present invention belongs to the low-voltage power circuit technical field.
Background technology
Along with the development of electronic industrial technology, single-chip microcomputer uses functions of modules more and more, because it is different to drive the supply voltage of each module built-in chip, makes the low-voltage power supply circuit to inside circuit require increasingly high; The chip internal power circuit of current use provides power supply very limited, and is very easy to the phase mutual interference between the plurality of voltages that provides, and the voltage of power output end output is very unstable, can't make the chip operate as normal, even can damage chip; The common volume of module that adopts the multiple power supplies circuit to be provided with is bigger, moves transportation inconvenience, and manufacturing cost is very high.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved is: a kind of power circuit that can drive the work of multichannel chip module is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: the novel power supply circuit comprises: switching regulator, first three terminal regulator and second three terminal regulator; The positive pole of battery BT1 links to each other with the positive pole of diode D1; The negative pole of diode D1 links to each other with 1 pin of switching regulator; 1 pin of said switching regulator links to each other with an end of capacitor C 1; Link to each other with the end of variable resistor R2 behind 4 pin of switching regulator and the end of connecting resistance R1,2 pin of switching regulator and connect the negative pole of voltage stabilizing didoe D2 after link to each other with an end of inductance L 1; The other end of said inductance L 1 and connect the other end of an end and resistance R 1 of capacitor C 2 after link to each other with the positive pole of capacitor C 3, said capacitor C 3 just very+the 4.2V output port of power source; The other end of said capacitor C 1 successively and connect ground connection behind the other end of negative pole and variable resistor R2 of the other end, capacitor C 3 of positive pole, the capacitor C 2 of 3 pin, 5 pin, the voltage stabilizing didoe D2 of switching regulator;
One end of resistance R 3 and connect 1 pin of an end and first three terminal regulator of capacitor C 4 after link to each other with the positive pole of battery BT1, the other end of said resistance R 3 links to each other with the positive pole of diode D3; 3 pin of said first three terminal regulator and the anodal back that connects an end and the capacitor C 6 of capacitor C 5 link to each other with 1 pin of second three terminal regulator, said capacitor C 6 just very+the 5V output port of power source; 3 pin of second three terminal regulator and connect an end of capacitor C 7 after link to each other with the positive pole of capacitor C 8; Said capacitor C 8 just very+the 3.3V power port; The negative pole of said battery BT1 successively and connect ground connection behind the negative pole of the other end and capacitor C 8 of 2 pin, capacitor C 7 of negative pole, second three terminal regulator of the other end, the capacitor C 6 of 2 pin, the capacitor C 5 of the other end, first three terminal regulator of negative pole, the capacitor C 4 of diode D3.
The present invention compared with prior art has following beneficial effect:
One, the present invention provides three tunnel pressure values different low-voltage dc power supplies through one group of power circuit, can satisfy the driving of multifunction chip in one or more groups modular circuit and use, and guarantees the monolithic function operate as normal of built-in many group multifunction modules;
Two, the present invention adopts pressurizer, filter capacitor and diode that battery supply output is processed into multiple low-voltage DC, and formation voltage is accurately stable, and the output voltage high efficient and reliable is guaranteed by the operate as normal of chip for driving circuit;
Three, whole circuit construction of electric power is simple, and integrated being built in the entire chip module avoided repeating to make and repeating built-inly of multiple power supplies circuit, makes entire chip circuit volume less, conveniently moves transportation, practices thrift manufacturing cost.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is an electrical block diagram of the present invention;
Among the figure: 1 is that switching regulator, 2 is that first three terminal regulator, 3 is second three terminal regulator.
Embodiment
As shown in Figure 1, the novel power supply circuit comprises: switching regulator 1, first three terminal regulator 2 and second three terminal regulator 3; The positive pole of battery BT1 links to each other with the positive pole of diode D1; The negative pole of diode D1 links to each other with 1 pin of switching regulator 1; 1 pin of said switching regulator 1 links to each other with an end of capacitor C 1; Link to each other with the end of variable resistor R2 behind 4 pin of switching regulator 1 and the end of connecting resistance R1,2 pin of switching regulator 1 and connect the negative pole of voltage stabilizing didoe D2 after link to each other with an end of inductance L 1; The other end of said inductance L 1 and connect the other end of an end and resistance R 1 of capacitor C 2 after link to each other with the positive pole of capacitor C 3, said capacitor C 3 just very+the 4.2V output port of power source; The other end of said capacitor C 1 successively and connect ground connection behind the other end of negative pole and variable resistor R2 of the other end, capacitor C 3 of positive pole, the capacitor C 2 of 3 pin, 5 pin, the voltage stabilizing didoe D2 of switching regulator 1;
One end of resistance R 3 and connect 1 pin of an end and first three terminal regulator 2 of capacitor C 4 after link to each other with the positive pole of battery BT1, the other end of said resistance R 3 links to each other with the positive pole of diode D3; 3 pin of said first three terminal regulator 2 and the anodal back that connects an end and the capacitor C 6 of capacitor C 5 link to each other with 1 pin of second three terminal regulator 3, said capacitor C 6 just very+the 5V output port of power source; 3 pin of second three terminal regulator 3 and connect an end of capacitor C 7 after link to each other with the positive pole of capacitor C 8; Said capacitor C 8 just very+the 3.3V power port; The negative pole of said battery BT1 successively and connect ground connection behind the negative pole of the other end and capacitor C 8 of 2 pin, capacitor C 7 of negative pole, second three terminal regulator 3 of the other end, the capacitor C 6 of 2 pin, the capacitor C 5 of the other end, first three terminal regulator 2 of negative pole, the capacitor C 4 of diode D3.
Among the present invention; Supply power by battery BT1; Through obtaining the low pressure out-put supply of voltage behind switching regulator and voltage stabilizing inductance, the electric capacity for+4.2V; Obtain the low pressure out-put supply of voltage through first three terminal regulator, obtain the low pressure out-put supply of voltage for+3.3V through first three terminal regulator and second three terminal regulator for+5V; Each electric capacity and diode play the filter action of handing at a distance from straight-through in the circuit, can make output obtain stable low-voltage DC, and each road out-put supply port drives pin with each functional module chip and is connected, and guarantees each chip driven work.
Claims (1)
1. the novel power supply circuit comprises: switching regulator (1), first three terminal regulator (2) and second three terminal regulator (3); It is characterized in that: the positive pole of battery BT1 links to each other with the positive pole of diode D1; The negative pole of diode D1 links to each other with 1 pin of switching regulator (1); 1 pin of said switching regulator (1) links to each other with an end of capacitor C 1; Link to each other with the end of variable resistor R2 behind 4 pin of switching regulator (1) and the end of connecting resistance R1,2 pin of switching regulator (1) and connect the negative pole of voltage stabilizing didoe D2 after link to each other with an end of inductance L 1; The other end of said inductance L 1 and connect the other end of an end and resistance R 1 of capacitor C 2 after link to each other with the positive pole of capacitor C 3, said capacitor C 3 just very+the 4.2V output port of power source; The other end of said capacitor C 1 successively and connect ground connection behind the other end of negative pole and variable resistor R2 of the other end, capacitor C 3 of positive pole, the capacitor C 2 of 3 pin, 5 pin, the voltage stabilizing didoe D2 of switching regulator (1);
One end of resistance R 3 and connect 1 pin of an end and first three terminal regulator (2) of capacitor C 4 after link to each other with the positive pole of battery BT1, the other end of said resistance R 3 links to each other with the positive pole of diode D3; 3 pin of said first three terminal regulator (2) and the anodal back that connects an end and the capacitor C 6 of capacitor C 5 link to each other with 1 pin of second three terminal regulator (3), said capacitor C 6 just very+the 5V output port of power source; 3 pin of second three terminal regulator (3) and connect an end of capacitor C 7 after link to each other with the positive pole of capacitor C 8; Said capacitor C 8 just very+the 3.3V power port; The negative pole of said battery BT1 successively and connect ground connection behind the negative pole of the other end and capacitor C 8 of 2 pin, capacitor C 7 of negative pole, second three terminal regulator (3) of the other end, the capacitor C 6 of 2 pin, the capacitor C 5 of the other end, first three terminal regulator (2) of negative pole, the capacitor C 4 of diode D3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420463XA CN102522893A (en) | 2011-12-15 | 2011-12-15 | Novel power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420463XA CN102522893A (en) | 2011-12-15 | 2011-12-15 | Novel power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102522893A true CN102522893A (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110420463XA Pending CN102522893A (en) | 2011-12-15 | 2011-12-15 | Novel power supply circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490473A (en) * | 2013-09-26 | 2014-01-01 | 四川泰力智能仪表科技有限公司 | Battery power supply device of intelligent instrument |
| CN103488113A (en) * | 2013-09-30 | 2014-01-01 | 江苏沁恒股份有限公司 | Single-chip microcomputer suitable for 5V application environment |
| CN106101930A (en) * | 2016-07-05 | 2016-11-09 | 太仓怡泰霖智能科技有限公司 | There is network savvy and the multi-functional audio circuit of external source of sound broadcasting can be carried out |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082503A (en) * | 2010-12-16 | 2011-06-01 | 深圳市元征软件开发有限公司 | Power supply unit of vehicle-mounted communication equipment and micro control unit (MCU) |
| CN102507016A (en) * | 2011-11-21 | 2012-06-20 | 山西省电力公司大同供电分公司 | Device for monitoring temperature of key part of power transmission line |
| CN202364121U (en) * | 2011-12-15 | 2012-08-01 | 杨长存 | Novel power circuit |
-
2011
- 2011-12-15 CN CN201110420463XA patent/CN102522893A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082503A (en) * | 2010-12-16 | 2011-06-01 | 深圳市元征软件开发有限公司 | Power supply unit of vehicle-mounted communication equipment and micro control unit (MCU) |
| CN102507016A (en) * | 2011-11-21 | 2012-06-20 | 山西省电力公司大同供电分公司 | Device for monitoring temperature of key part of power transmission line |
| CN202364121U (en) * | 2011-12-15 | 2012-08-01 | 杨长存 | Novel power circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490473A (en) * | 2013-09-26 | 2014-01-01 | 四川泰力智能仪表科技有限公司 | Battery power supply device of intelligent instrument |
| CN103488113A (en) * | 2013-09-30 | 2014-01-01 | 江苏沁恒股份有限公司 | Single-chip microcomputer suitable for 5V application environment |
| CN103488113B (en) * | 2013-09-30 | 2015-09-30 | 江苏沁恒股份有限公司 | A kind of single-chip microcomputer being applicable to 5V applied environment |
| CN106101930A (en) * | 2016-07-05 | 2016-11-09 | 太仓怡泰霖智能科技有限公司 | There is network savvy and the multi-functional audio circuit of external source of sound broadcasting can be carried out |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |