CN204928577U - Utilize charge pump to realize drive power supply's circuit - Google Patents
Utilize charge pump to realize drive power supply's circuit Download PDFInfo
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- CN204928577U CN204928577U CN201520661840.2U CN201520661840U CN204928577U CN 204928577 U CN204928577 U CN 204928577U CN 201520661840 U CN201520661840 U CN 201520661840U CN 204928577 U CN204928577 U CN 204928577U
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- storage capacitor
- lifting
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Abstract
The utility model relates to an utilize charge pump to realize drive power supply's circuit, including pumping source signal amplification circuit, tank and voltage lifting circuit, pumping source signal amplification circuit includes signal input part and signal output part, tank includes energy -storage capacitor, prevent anti - diode and energy storage voltage source, pumping source signal amplification circuit's signal output part is connected to energy -storage capacitor's one end, the negative pole of preventing anti - diode is connected to the other end, the positive pole of preventing anti - diode is connected to the energy storage voltage source, voltage lifting circuit includes the lifting voltage source, a first diode, energy -storage capacitor, second diode and drive power supply positive terminal, the lifting voltage source is connected to the negative pole of first diode, the anodal signal output part who connects energy -storage capacitor one end and pumping source signal amplification circuit, the anodal energy -storage capacitor of connection of second diode connects the one end of preventing anti - diode, the drive power supply positive terminal is connected to the negative pole. The utility model discloses with low costs, dependable performance is and drive effectually.
Description
Technical field
The utility model relates to electronic technology field, and particularly a kind of charge pump that utilizes needing lifting voltage to do to drive realizes the circuit of driving power.
Background technology
At solar energy as a kind of novel green regenerative energy sources, utilizing maximum compared with other new forms of energy, is optimal regenerative resource.Particularly in recent decades, along with the continuous progress of science and technology, solar energy and related industry thereof become one of the fastest industry of world development.
In some application of controller for solar, often need to place metal-oxide-semiconductor at positive voltage terminal, at this moment as the driving power of metal-oxide-semiconductor, need lifting BAT voltage.And utilizing charge pump to realize voltage lifting, the driving power as positive voltage terminal metal-oxide-semiconductor can solve the problem of driving voltage lifting, and effect is also very good in actual applications.
Summary of the invention
The purpose of this utility model is, provides a kind of circuit utilizing charge pump to realize driving power, by charge pump by voltage lifting BAT voltage, realizes the driving to positive voltage terminal metal-oxide-semiconductor.
What the utility model provided utilizes charge pump to realize the circuit of driving power, it is characterized in that, comprise pump signal amplifying circuit, accumulator and voltage lifting circuit, pump signal amplifying circuit comprises signal input part and signal output part, export from signal output part after the pump signal of signal input part is amplified, accumulator comprises storage capacitor, counnter attack diode and tank voltage source, one end of storage capacitor connects the signal output part of pump signal amplifying circuit, the other end connects the negative pole of counnter attack diode, tank voltage source connects the positive pole of counnter attack diode, voltage lifting circuit comprises lifting voltage source, first diode, storage capacitor, second diode and driving power positive terminal, the negative pole of the first diode connects lifting voltage source, positive pole connects the signal output part of storage capacitor one end and pump signal amplifying circuit, the positive pole of the second diode connects one end of storage capacitor connection counnter attack diode, negative pole connects driving power positive terminal.
What the utility model provided utilizes charge pump to realize the circuit of driving power, by simple circuit structure and little components and parts, well utilizes charge pump to achieve driving power, cost is low, dependable performance and drive effective.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory diagrams.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment
See Fig. 1, the circuit that the utility model utilizes charge pump to realize driving power comprises pump signal amplifying circuit 1, accumulator 2 and voltage lifting circuit 3.Pump signal amplifying circuit 1 comprises signal input part S, RC filter circuit, TC4420 chip and signal output part, from signal output part exports after amplifying to the pump signal of signal input part S.Pump signal first after the filtering of RC filter circuit, then inputs TC4420 chip.RC filter circuit comprises the first resistance R1 and the first electric capacity C1, one end of first resistance R1 connects the signal input part S of pump signal amplifying circuit, the other end is connected one end of the first electric capacity C1 and is connected with 2 pin of TC4420 chip by the second resistance R2, the other end ground connection of the first electric capacity C1.TC4420 chip has 8 pins, and 1 pin is connected power supply VCC with 8 pin, 3 pin and 6 pin unsettled, 4 pin and 5 pin ground connection, 2 pin are input, connect one end of the second resistance R2,7 pin are output, are also the signal output parts of whole pump signal amplifying circuit, export through amplifying signal from 7 pin.One end of output filter capacitor C2 connects 8 pin and the power supply VCC of TC4420 chip, other end ground connection.
Accumulator 2 comprises storage capacitor C3, counnter attack diode D3, charging resistor R4 and tank voltage source BAT+, the signal output part of one end connection pump signal amplifying circuit of storage capacitor C3 is also 7 pin of TC4420 chip, the other end connects the negative pole of counnter attack diode D3, and tank voltage source BAT+ connects the positive pole of counnter attack diode D3 by charging resistor R4.
Voltage lifting circuit 3 comprises lifting voltage source V CC, the first diode D1, storage capacitor C3, the second diode D2, discharge resistance R3 and driving power positive terminal V, storage capacitor C3 is also the part of accumulator 2 simultaneously, the power supply that 1 pin of lifting voltage source and TC4420 chip, 8 pin are connected is all the external power supply of circuit, all represent with VCC, in the present embodiment, be 15V power supply.The negative pole of the first diode D1 connects lifting voltage source V CC, the signal output part of positive pole connection storage capacitor C3 one end and pump signal amplifying circuit is also 7 pin of TC4420 chip, the positive pole of the second diode D2 connects one end of storage capacitor C3 connection counnter attack diode D3, and negative pole connects driving power positive terminal V by discharge resistance R3.Voltage lifting circuit 3 comprises Schottky diode D4, the 4th electric capacity C4 and the 5th resistance R5, positive pole, the 4th electric capacity C4 of Schottky diode D4 are connected tank voltage source BAT+ with one end of the 5th resistance R5, and negative pole, the 4th electric capacity C4 of Schottky diode D4 are connected driving power positive terminal V with the other end of the 5th resistance R5.
When 7 pin of TC4420 chip export as low level, tank voltage source BAT+ starts charging to storage capacitor C3; When 7 pin of TC4420 chip export as high level, the first diode D1 conducting, storage capacitor C3 both end voltage can not be suddenlyd change, and storage capacitor C3 right-hand member voltage is lifted to BAT+VCC volt, a lifting lifting voltage source.Under high-frequency signal, under Schottky diode D4, the voltage at upper two ends is respectively BAT+ and BAT+VCC volt, can be used as the driving power of metal-oxide-semiconductor.
What the utility model provided utilizes charge pump to realize the circuit of driving power, by simple circuit structure and little components and parts, well utilize charge pump by voltage lifting BAT voltage, realize driving to positive voltage terminal metal-oxide-semiconductor, have that cost is low, dependable performance and drive the advantages such as effective.
Claims (4)
1. the circuit utilizing charge pump to realize driving power, it is characterized in that, comprise pump signal amplifying circuit, accumulator and voltage lifting circuit, pump signal amplifying circuit comprises signal input part and signal output part, export from signal output part after the pump signal of signal input part is amplified, accumulator comprises storage capacitor, counnter attack diode and tank voltage source, one end of storage capacitor connects the signal output part of pump signal amplifying circuit, the other end connects the negative pole of counnter attack diode, tank voltage source connects the positive pole of counnter attack diode, voltage lifting circuit comprises lifting voltage source, first diode, storage capacitor, second diode and driving power positive terminal, the negative pole of the first diode connects lifting voltage source, positive pole connects the signal output part of storage capacitor one end and pump signal amplifying circuit, the positive pole of the second diode connects one end of storage capacitor connection counnter attack diode, negative pole connects driving power positive terminal.
2. the circuit utilizing charge pump to realize driving power according to claim 1, it is characterized in that, described voltage lifting circuit also comprises Schottky diode, the 4th electric capacity and the 5th resistance, positive pole, the 4th electric capacity of Schottky diode are connected tank voltage source with one end of the 5th resistance, and negative pole, the 4th electric capacity of Schottky diode are connected driving power positive terminal with the other end of the 5th resistance.
3. the circuit utilizing charge pump to realize driving power according to claim 2, it is characterized in that, described pump signal amplifying circuit comprises TC4420 chip, 1 pin of TC4420 chip is connected power supply with 8 pin, 4 pin, 5 pin ground connection, 2 pin connect the signal input part of described pump signal amplifying circuit, and 7 pin are the signal output part of described pump signal amplifying circuit.
4. the circuit utilizing charge pump to realize driving power according to claim 3, it is characterized in that, described pump signal amplifying circuit also comprises RC filter circuit, RC filter circuit comprises the first resistance and the first electric capacity, one end of first resistance connects the signal input part of described pump signal amplifying circuit, the other end connects one end of the first electric capacity and 2 pins of described TC4420 chip, the other end ground connection of the first electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661840.2U CN204928577U (en) | 2015-08-28 | 2015-08-28 | Utilize charge pump to realize drive power supply's circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661840.2U CN204928577U (en) | 2015-08-28 | 2015-08-28 | Utilize charge pump to realize drive power supply's circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928577U true CN204928577U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520661840.2U Expired - Fee Related CN204928577U (en) | 2015-08-28 | 2015-08-28 | Utilize charge pump to realize drive power supply's circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099176A (en) * | 2015-08-28 | 2015-11-25 | 浙江嘉科新能源科技有限公司 | Circuit capable of implementing driving power by utilizing charge pump |
| CN107612535A (en) * | 2017-10-31 | 2018-01-19 | 东莞博力威电池有限公司 | Improve the exciting circuit of power field effect pipe driving voltage |
-
2015
- 2015-08-28 CN CN201520661840.2U patent/CN204928577U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099176A (en) * | 2015-08-28 | 2015-11-25 | 浙江嘉科新能源科技有限公司 | Circuit capable of implementing driving power by utilizing charge pump |
| CN107612535A (en) * | 2017-10-31 | 2018-01-19 | 东莞博力威电池有限公司 | Improve the exciting circuit of power field effect pipe driving voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |