CN209170221U - The adjustable boosting charge pump circuit device of voltage - Google Patents
The adjustable boosting charge pump circuit device of voltage Download PDFInfo
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- CN209170221U CN209170221U CN201822043867.1U CN201822043867U CN209170221U CN 209170221 U CN209170221 U CN 209170221U CN 201822043867 U CN201822043867 U CN 201822043867U CN 209170221 U CN209170221 U CN 209170221U
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Abstract
The utility model proposes a kind of adjustable boosting charge pump circuit devices of voltage, it is characterised by comprising: the boosted charge pump circuit being made of resistance R1, resistance R2, resistance R3, resistance R4, three-terminal regulator block N1, NPN triode V1, PNP triode V2, NPN triode V3, capacitor C1, capacitor C2, diode VD1 and diode VD2.Its vibration end inputted can use the IO foot of external oscillating circuit either single-chip microcontroller to generate; when being protected applied to high-voltage battery group using N-channel field-effect tube; with good effect; its circuit structure is simply easily achieved, is low in cost, the flexibility of adjustment is high, there is good commercial value and promotional value.
Description
Technical field
The utility model relates to the power circuit field of electronic product more particularly to a kind of adjustable boosting charge pumps of voltage
Circuit device.
Background technique
In power supply electronic product, power protection or power supply are carried out frequently with power tube control is carried out in power positive end
Conversion and control.In lithium ion battery set product, also having many battery pack protection control modes is the anode in battery pack, when
When the voltage high current of power supply or battery pack is larger, protected using the enhanced field-effect tube of N-channel insulated gate in anode
Control.Since this field-effect tube is the enhanced driving of voltage, gate drive voltage needs to be higher than source voltage, so that needing one
A driving voltage more higher than supply voltage, prior art common practice are using higher cost with boosting pump circuit
Special chip is completed to boost.
For this kind of special chip with boosting pump circuit in addition to higher cost, the voltage value improved when boosting is also solid
Fixed, above there is certain limitation in application.
Utility model content
In order to solve the shortcomings of the prior art and defect, the utility model specifically uses following technical scheme:
A kind of adjustable boosting charge pump circuit device of voltage characterized by comprising resistance R1, resistance R2, resistance
R3, resistance R4, three-terminal regulator block N1, NPN triode V1, PNP triode V2, NPN triode V3, capacitor C1, capacitor C2, two poles
Pipe VD1 and diode VD2；
The anode of input power and the input terminal of the three-terminal regulator block N1, the collector and resistance R3 of NPN triode V1
One end connection；The output end of the three-terminal regulator block N1 is connect with the anode of one end of resistance R1 and diode VD1；Described three
The adjustment end of end regulator block N1 is connected with one end of the other end of resistance R1 and resistance R2；The other end and three of the resistance R3
Pole pipe V1 is connected with the collector of the base stage of triode V2 and triode V3；One end connection square wave oscillation letter of the resistance R4
Number occur circuit；The other end of the resistance R4 is connect with the base stage of triode V3；The triode V1's and triode V2 penetrates
Pole is connect with one end of capacitor C1；The anode of the other end of the capacitor C1 and the cathode of diode VD1 and diode VD2 is even
It connects；The cathode of the diode VD2 is connect with the cathode output end of one end of capacitor C2 and circuit；The cathode and electricity of input power
The cathode output end on road is grounded；The other end of the resistance R2, the emitter-base bandgap grading of triode V3, triode V2 collector and capacitor C2
The other end ground connection.
Preferably, the resistance R2 is variable resistance, and the adjustable side of the resistance R2 is grounded.
Preferably, the three-terminal regulator block N1 uses adjustable three-terminal regulator block LM317.
Preferably, the NPN triode V1, PNP triode V2 and NPN triode V3 replace with field-effect tube.
The utility model and its preferred embodiment provide a kind of boosted charge pump circuit and are easily achieved, and the boost value of circuit can
The innovation scheme of tune, the vibration end of input can use the IO foot of external oscillating circuit either single-chip microcontroller to generate, answering
When being protected for high-voltage battery group using N-channel field-effect tube, there is good effect, circuit structure is simply easy to
It realizes, is low in cost, the flexibility of adjustment height, there is good commercial value and promotional value.
Detailed description of the invention
With reference to the accompanying drawings and detailed description to the further details of explanation of the utility model:
Fig. 1 is the utility model embodiment electrical block diagram.
Specific embodiment
For the feature and advantage of this patent can be clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make specifically
It is bright as follows:
As shown in Figure 1, the present embodiment device mainly includes 12 electronic components: resistance R1, resistance R2, resistance R3, resistance
R4, three-terminal regulator block N1, NPN triode V1, PNP triode V2, NPN triode V3, capacitor C1, capacitor C2, diode VD1 and
Diode VD2.
Wherein, the anode of input power and the input terminal of three-terminal regulator block N1, the collector and resistance R3 of NPN triode V1
One end connection；The output end of three-terminal regulator block N1 is connect with the anode of one end of resistance R1 and diode VD1；Three-terminal regulator block
The adjustment end of N1 is connected with one end of the other end of resistance R1 and resistance R2；The other end of resistance R3 and triode V1 and three poles
The base stage of pipe V2 and the collector connection of triode V3；One end of resistance R4 connects square wave oscillating signal generating circuit；Resistance
The other end of R4 is connect with the base stage of triode V3；The emitter-base bandgap grading of triode V1 and triode V2 are connect with one end of capacitor C1；Electricity
The other end for holding C1 is connect with the anode of the cathode of diode VD1 and diode VD2；The cathode of diode VD2 is with capacitor C2's
The connection of the cathode output end of one end and circuit；The cathode of input power and the cathode output end ground connection of circuit；Resistance R2's is another
The other end at end, the emitter-base bandgap grading of triode V3, the collector of triode V2 and capacitor C2 is grounded.
Wherein, resistance R2 is variable resistance, and the adjustable side of resistance R2 is grounded.Three-terminal regulator block N1 uses adjustable three-terminal voltage-stabilizing
Block LM317.Square wave oscillation signal generating circuit can be external oscillating circuit (as by MAX0832 integrated chip or NE555 after
Hold the square wave oscillation signal generating circuit of chip structure) or single-chip microcontroller (square wave oscillation signal is exported by IO foot).
The course of work of the present embodiment device is as follows: resistance R1, (variable) resistance R2 and adjustable three-terminal regulator block LM317 structure
At the adjustable reduction voltage circuit of voltage, (wherein resistance R2 uses fixed resistance value resistance, the fixed output voltage values of three-terminal regulator block N1
Three-terminal regulator block or other types of reduction voltage circuit, the basic function of pressure drop also may be implemented, but gone adjustability), lead to
The resistance value for changing variable resistance R2, the size of adjustable LM317 output voltage values are crossed, the size of the output voltage values determines
The size of boost value, for example, the resistance value that can be 12 times by setting R1 and R2, makes LM317 be set as 15V output；Work as resistance
When input square-wave signal at R4 is high level, ground connection is connected in the collector of triode V3 conducting, triode V3, triode V2's
Base stage is pulled low, and triode V2 conducting, the emitter-base bandgap grading of triode V2 is pulled to low level, at this moment the output end warp of three-terminal regulator block N1
It crosses diode VD1 to charge to capacitor C1, the voltage on capacitor C1 can be charged to close to three-terminal regulator block N1 output end
Voltage, when three-terminal regulator block N1 output is 15V, C1 capacitor can be charged to 14V or so at this time；Input square wave at resistance R4
When signal is low level, the collector voltage of triode V3 cut-off shutdown, triode V3 is drawn high by resistance R3 to input power electricity
The emitter voltage of the level of pressure, at this moment triode V2 cut-off shutdown, triode V1 conducting, triode V1 and triode V2 can moments
It is lifted to close to input supply voltage, at this moment since the low potential of capacitor C1 terminates at penetrating for triode V1 and triode V2
At pole, the voltage on capacitor C1 can not be mutated, and the hot end of capacitor C1 will be lifted to 14V's more taller than supply voltage
Current potential, at this moment capacitor C1 can charge to capacitor C2 by diode VD2, and diode VD2 can generate certain voltage drop, with
Input oscillation square-wave signal continue working, the voltage on capacitor C2 will 13V higher than supply voltage voltage level, realize
Charge pump boosting, the boost value of charge pump circuit depend on the output voltage of three ends adjustable regulator blocks.
In the present embodiment, NPN triode V1, PNP triode V2 and NPN triode V3 may be replaced by field-effect
Pipe, can also play same function and effect.
This patent is not limited to above-mentioned preferred forms, anyone can obtain other each under the enlightenment of this patent
The adjustable boosting charge pump circuit device of voltage of kind form, all equivalent changes done according to present utility model application the scope of the patents
With modification, it should all belong to the covering scope of this patent.
Claims (4)
1. a kind of adjustable boosting charge pump circuit device of voltage characterized by comprising resistance R1, resistance R2, resistance R3,
Resistance R4, three-terminal regulator block N1, NPN triode V1, PNP triode V2, NPN triode V3, capacitor C1, capacitor C2, diode
VD1 and diode VD2；
The anode of input power and the one of the input terminal of the three-terminal regulator block N1, the collector of NPN triode V1 and resistance R3
End connection；The output end of the three-terminal regulator block N1 is connect with the anode of one end of resistance R1 and diode VD1；Three end is steady
The adjustment end of briquetting N1 is connected with one end of the other end of resistance R1 and resistance R2；The other end and triode of the resistance R3
V1 is connected with the collector of the base stage of triode V2 and triode V3；One end connection square wave oscillator signal hair of the resistance R4
Raw circuit；The other end of the resistance R4 is connect with the base stage of triode V3；The emitter-base bandgap grading of the triode V1 and triode V2 with
One end of capacitor C1 connects；The other end of the capacitor C1 is connect with the anode of the cathode of diode VD1 and diode VD2；Institute
The cathode for stating diode VD2 is connect with the cathode output end of one end of capacitor C2 and circuit；The cathode of input power and circuit
Cathode output end ground connection；The other end of the resistance R2, the emitter-base bandgap grading of triode V3, the collector of triode V2 and capacitor C2 it is another
One end ground connection.
2. the adjustable boosting charge pump circuit device of voltage according to claim 1, it is characterised in that: the resistance R2 is
Variable resistance, the adjustable side ground connection of the resistance R2.
3. the adjustable boosting charge pump circuit device of voltage according to claim 1, it is characterised in that: the three-terminal voltage-stabilizing
Block N1 uses adjustable three-terminal regulator block LM317.
4. the adjustable boosting charge pump circuit device of voltage according to claim 1, it is characterised in that: tri- pole NPN
Pipe V1, PNP triode V2 and NPN triode V3 replace with field-effect tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822043867.1U CN209170221U (en) | 2018-12-06 | 2018-12-06 | The adjustable boosting charge pump circuit device of voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822043867.1U CN209170221U (en) | 2018-12-06 | 2018-12-06 | The adjustable boosting charge pump circuit device of voltage |
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| Publication Number | Publication Date |
|---|---|
| CN209170221U true CN209170221U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822043867.1U Active CN209170221U (en) | 2018-12-06 | 2018-12-06 | The adjustable boosting charge pump circuit device of voltage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211684A (en) * | 2020-02-24 | 2020-05-29 | 北京京东方显示技术有限公司 | High voltage generation circuit, power management integrated circuit, and electronic device |
-
2018
- 2018-12-06 CN CN201822043867.1U patent/CN209170221U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211684A (en) * | 2020-02-24 | 2020-05-29 | 北京京东方显示技术有限公司 | High voltage generation circuit, power management integrated circuit, and electronic device |
| CN111211684B (en) * | 2020-02-24 | 2022-04-12 | 北京京东方显示技术有限公司 | High voltage generation circuit, power management integrated circuit, and electronic device |
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