CN105811762A - Power supply conversion system constituted by double BOOST circuits - Google Patents
Power supply conversion system constituted by double BOOST circuits Download PDFInfo
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- CN105811762A CN105811762A CN201410849037.1A CN201410849037A CN105811762A CN 105811762 A CN105811762 A CN 105811762A CN 201410849037 A CN201410849037 A CN 201410849037A CN 105811762 A CN105811762 A CN 105811762A
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Abstract
The invention discloses a power supply conversion system constituted by double BOOST circuits, to be specific, relates to a circuit system. A first boost conversion module comprises a first driving unit, which is used to generate a first group of switch driving signals under the action of a first modulating signal and a switching signal; a first working circuit, which can be switched between a charging mode and a discharging mode under the action of the first group of switch driving signals. <{EN2}>A second boost conversion module comprises a second driving unit, which is used to generate a second group of switch driving signals under the action of a second modulating signal and the switching signal; a second working circuit, which can be switched between the charging mode and the discharging mode under the action of the second group of switch driving signals. The signals, which are output by the first boost conversion module and the second boost conversion module in the preset time period, are provided with the same phase. The in-phase working of the two BOOST in the preset time period can be realized, and therefore the load capacitor can be fully charged, the drop of the output voltage can be reduced, and then the two phases can be recovered, and can work alternately, and therefore the transient response can be improved.
Description
Technical field
The present invention relates to electronic technology field, be specifically related to a kind of power conversion system.
Background technology
Switching mode dc-dc is owing to can obtain higher efficiency and relatively low heat consumption, electric supply system is used widely, wherein the power supply of high-performance microprocessor needs have the big electric current of fast transient response ability, low-voltage dc-dc, in prior art, by two BOOST transducer alternations, to meet Power convert demand, typical double; two BOOST circuit diagram is as shown in Figure 1, but, the Circuits System of Fig. 1 is when load increases suddenly, as in figure 2 it is shown, the transient response of circuit is poor, have impact on the normal operation of system.
Summary of the invention
It is an object of the invention to, it is provided that the power conversion system that a kind of pair of BOOST circuit is constituted, solve above technical problem；
Technical problem solved by the invention can realize by the following technical solutions:
The power conversion system that double; two BOOST circuit are constituted, wherein, including the first boost conversion module, the second boost conversion module, described first boost conversion module includes,
One first control unit, in order to generate the first modulation signal according at least to one first clock signal, one first control signal；
One first driver element, is connected with described first control unit, modulates in described first and produces first group of switching drive signal under signal and a switching signal function；
One the first operating circuit that first energy-storage travelling wave tube is set, alternately switching between charge mode and discharge mode under the effect of described first group of switching drive signal；
Described second boost conversion module includes,
One second control unit, in order to generate the second modulation signal according at least to a second clock signal, one second control signal；
One second driver element, modulates in described second and produces second group of switching drive signal under signal and described switching signal effect；
One the second operating circuit that second energy-storage travelling wave tube is set, alternately switching between charge mode and discharge mode under the effect of described second group of switching drive signal；
Described first boost conversion module and described second boost conversion module be same phase work in predetermined period of time.
The power conversion system that double; two BOOST circuit of the present invention are constituted, under described first control signal effect, described first control unit switches between PWM control mode and PFM control mode.
The power conversion system that double; two BOOST circuit of the present invention are constituted, under described second control signal effect, described second control unit switches between PWM control mode and PFM control mode.
The power conversion system that double; two BOOST circuit of the present invention are constituted, when described first boost conversion module and described second boost conversion module work in PWM control mode, described first boost conversion module and described second boost conversion module alternation.
The power conversion system that double; two BOOST circuit of the present invention are constituted, when described first boost conversion module and/or described second boost conversion module work in PFM control mode, same phase work in described first boost conversion module and described second boost conversion module front four time cycles when load increases suddenly.
The power conversion system that double; two BOOST circuit of the present invention are constituted, described first operating circuit includes,
First charging controlling brancher, is connected to one first and crosses between node and an earth terminal；
First discharge and recharge branch road, is connected to described first input end and described first and crosses between node；
First control of discharge branch road, is connected to described first and crosses between node and described first outfan；
Described first energy-storage travelling wave tube is series on described first discharge and recharge branch road；
Described first operating circuit is when charge mode, described first charging controlling brancher and described first discharge and recharge branch road conducting under the effect of described first group of switching drive signal, described first control of discharge branch road disconnects, and the electric current of described first input end input is to described first energy-storage travelling wave tube charging；
Described first operating circuit is when discharge mode, described first control of discharge branch road and described first discharge and recharge branch road conducting under the effect of described first group of switching drive signal, described first charging controlling brancher disconnects, and described first energy-storage travelling wave tube is to described first outfan electric discharge.
The power conversion system that double; two BOOST circuit of the present invention are constituted, described second operating circuit includes,
Second charging controlling brancher, is connected to one second and crosses between node and an earth terminal；
Second discharge and recharge branch road, is connected to described second input and described second and crosses between node；
Second control of discharge branch road, is connected to described second and crosses between node and described second outfan；
Described second energy-storage travelling wave tube is series on described second discharge and recharge branch road；
Described second operating circuit is when charge mode, described second charging controlling brancher and described second discharge and recharge branch road conducting under the effect of described second group of switching drive signal, described second control of discharge branch road disconnects, and the electric current of described second input input is to described second energy-storage travelling wave tube charging；
Described second operating circuit is when discharge mode, described second control of discharge branch road and described second discharge and recharge branch road conducting under the effect of described second group of switching drive signal, described second charging controlling brancher disconnects, and described second energy-storage travelling wave tube is to described second outfan electric discharge.
The power conversion system that double; two BOOST circuit of the present invention are constituted, the outfan of described first boost conversion module one first load capacitance in parallel；The outfan of described second boost conversion module one second load capacitance in parallel.
The power conversion system that double; two BOOST circuit of the present invention are constituted, described switching signal is produced by a logic control element, and described logic control element also produces described first control signal and described second control signal.
Beneficial effect: owing to adopting above technical scheme, the present invention can two BOOST same phases work in predetermined time cycle so that load capacitance is fully charged, reduce the decline of output voltage, return to two phase place, alternation later, transient response can be improved, it is ensured that the steady operation of system.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of prior art；
Fig. 2 is the output voltage Vout of prior art, first crosses node Lx, the second oscillogram crossing node Lx1；
Fig. 3 is the circuit diagram of the present invention；
Fig. 4 is the output voltage Vout of the present invention, first crosses node Lx, the second oscillogram crossing node Lx1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, broadly fall into the scope of protection of the invention.
It should be noted that when not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
With reference to Fig. 3, Fig. 4, the power conversion system that double; two BOOST circuit are constituted, wherein, including first boost conversion module the 1, second boost conversion module 2, the first boost conversion module 1 includes,
One first control unit 11, in order to generate the first modulation signal according at least to one first clock signal Clk1, one first control signal；
One first driver element 12, is connected with the first control unit 11, modulates signal and a switching signal OSC_on_delay effect first group of switching drive signal of lower generation in first；
One the first operating circuit that first energy-storage travelling wave tube L1 is set, alternately switching between charge mode and discharge mode under the effect of first group of switching drive signal；
Second boost conversion module 2 includes,
One second control unit 21, in order to generate the second modulation signal according at least to a second clock signal Clk2, one second control signal；
One second driver element 22, modulates signal and switching signal OSC_on_delay effect second group of switching drive signal of lower generation in second；
One the second operating circuit that second energy-storage travelling wave tube L2 is set, alternately switching between charge mode and discharge mode under the effect of second group of switching drive signal；
First boost conversion module 1 and the second boost conversion module 2 be same phase work in predetermined period of time.
The power conversion system that double; two BOOST circuit of the present invention are constituted, under the first control signal effect, the first control unit 11 switches between PWM control mode and PFM control mode.
The power conversion system that double; two BOOST circuit of the present invention are constituted, under the second control signal effect, the second control unit 21 switches between PWM control mode and PFM control mode.
The power conversion system that double; two BOOST circuit of the present invention are constituted, when the first boost conversion module 1 and the second boost conversion module 2 work in PWM control mode, the first boost conversion module 1 and the second boost conversion module 2 alternation.
The power conversion system that double; two BOOST circuit of the present invention are constituted, when first boost conversion module 1 and/or the second boost conversion module 2 work in PFM control mode, same phase work in the first boost conversion module 1 and the second boost conversion module 2 front four time cycles when load increases suddenly.
The power conversion system that double; two BOOST circuit of the present invention are constituted, the first operating circuit includes,
First charging controlling brancher, is connected to one first and crosses between node Lx and an earth terminal GND；
First discharge and recharge branch road, is connected to first input end VDD1 and the first and crosses between node Lx；First energy-storage travelling wave tube L1 is series on the first discharge and recharge branch road；
First control of discharge branch road, is connected to first and crosses between node Lx and the first output end vo ut1；
First operating circuit is when charge mode, and the first charging controlling brancher and the conducting of the first discharge and recharge branch road under the effect of first group of switching drive signal, the first control of discharge branch road disconnects, and the first energy-storage travelling wave tube L1 is charged by the electric current of first input end VDD1 input；
First operating circuit is when discharge mode, and the first control of discharge branch road and the conducting of the first discharge and recharge branch road under the effect of first group of switching drive signal, the first charging controlling brancher disconnects, and the first output end vo ut1 is discharged by the first energy-storage travelling wave tube L1.
The power conversion system that double; two BOOST circuit of the present invention are constituted, the second operating circuit includes,
Second charging controlling brancher, is connected to one second and crosses between node Lx1 and an earth terminal GND；
Second discharge and recharge branch road, is connected to the second input VDD2 and the second and crosses between node Lx1；
Second control of discharge branch road, is connected to second and crosses between node Lx1 and the second output end vo ut2；
Second energy-storage travelling wave tube L2 is series on the second discharge and recharge branch road；
Second operating circuit is when charge mode, and the second charging controlling brancher and the second discharge and recharge branch road turn on, and the second control of discharge branch road disconnects, and the second energy-storage travelling wave tube L2 is charged by the electric current of the second input VDD2 input；
Second operating circuit is when discharge mode, and the second control of discharge branch road and the second discharge and recharge branch road turn on, and the second charging controlling brancher disconnects, and the second output end vo ut2 is discharged by the second energy-storage travelling wave tube L2.
A kind of specific embodiment, series connection one first N-channel MOS pipe Mn1 on first charging controlling brancher, series connection one second N-channel MOS pipe Mn2 on second charging controlling brancher, connect on first control of discharge branch road one first P-channel metal-oxide-semiconductor Mp1, and the second control of discharge branch road is connected one second P-channel metal-oxide-semiconductor Mp2.The substrate of the first P-channel metal-oxide-semiconductor Mp1 connects the substrate of a control signal Mpn1 and the second P-channel metal-oxide-semiconductor Mp2 and connects a control signal Mpn2.
The power conversion system that double; two BOOST circuit of the present invention are constituted, the outfan of the first boost conversion module 1 one first load capacitance C1 in parallel；The outfan of the second boost conversion module 2 one second load capacitance C2 in parallel.
The power conversion system that double; two BOOST circuit of the present invention are constituted, switching signal OSC_on_delay is produced by a logic control element, and logic control element also produces the first control signal and the second control signal.
The present invention is when BOOST circuit enters PFM pattern, run into load when increasing suddenly, front four cycles are two BOOST same phase work, make load capacitance fully charged, reduce the decline of output voltage, return to two phase place alternation later, with reference to shown in Fig. 4, the present invention can improve transient response, is conducive to the steady operation of system.
The foregoing is only preferred embodiment of the present invention; not thereby restriction embodiments of the present invention and protection domain; to those skilled in the art; the equivalent replacement done by all utilizations description of the present invention and diagramatic content and the obtained scheme of apparent change should be can appreciate that, all should be included in protection scope of the present invention.
Claims (9)
1. the power conversion system that pair BOOST circuit is constituted, it is characterised in that including the first boost conversion module, the second boost conversion module, described first boost conversion module includes,
One first control unit, in order to generate the first modulation signal according at least to one first clock signal, one first control signal；
One first driver element, is connected with described first control unit, modulates in described first and produces first group of switching drive signal under signal and a switching signal function；
One the first operating circuit that first energy-storage travelling wave tube is set, alternately switching between charge mode and discharge mode under the effect of described first group of switching drive signal；
Described second boost conversion module includes,
One second control unit, in order to generate the second modulation signal according at least to a second clock signal, one second control signal；
One second driver element, modulates in described second and produces second group of switching drive signal under signal and described switching signal effect；
One the second operating circuit that second energy-storage travelling wave tube is set, alternately switching between charge mode and discharge mode under the effect of described second group of switching drive signal；
Described first boost conversion module and described second boost conversion module be same phase work in predetermined period of time.
2. the power conversion system that according to claim 1 pair of BOOST circuit is constituted, it is characterised in that under described first control signal effect, described first control unit switches between PWM control mode and PFM control mode.
3. the power conversion system that according to claim 2 pair of BOOST circuit is constituted, it is characterised in that under described second control signal effect, described second control unit switches between PWM control mode and PFM control mode.
4. the power conversion system that according to claim 3 pair of BOOST circuit is constituted, it is characterized in that, when described first boost conversion module and described second boost conversion module work in PWM control mode, described first boost conversion module and described second boost conversion module alternation.
5. the power conversion system that according to claim 3 pair of BOOST circuit is constituted, it is characterized in that, when described first boost conversion module and/or described second boost conversion module work in PFM control mode, same phase work in described first boost conversion module and described second boost conversion module front four time cycles when load increases suddenly.
6. the power conversion system that according to claim 1 pair of BOOST circuit is constituted, it is characterised in that described first operating circuit includes,
First charging controlling brancher, is connected to one first and crosses between node and an earth terminal；
First discharge and recharge branch road, is connected to described first input end and described first and crosses between node；
First control of discharge branch road, is connected to described first and crosses between node and described first outfan；
Described first energy-storage travelling wave tube is series on described first discharge and recharge branch road；
Described first operating circuit is when charge mode, described first charging controlling brancher and described first discharge and recharge branch road conducting under the effect of described first group of switching drive signal, described first control of discharge branch road disconnects, and the electric current of described first input end input is to described first energy-storage travelling wave tube charging；
Described first operating circuit is when discharge mode, described first control of discharge branch road and described first discharge and recharge branch road conducting under the effect of described first group of switching drive signal, described first charging controlling brancher disconnects, and described first energy-storage travelling wave tube is to described first outfan electric discharge.
7. the power conversion system that according to claim 1 pair of BOOST circuit is constituted, it is characterised in that described second operating circuit includes,
Second charging controlling brancher, is connected to one second and crosses between node and an earth terminal；
Second discharge and recharge branch road, is connected to described second input and described second and crosses between node；
Second control of discharge branch road, is connected to described second and crosses between node and described second outfan；
Described second energy-storage travelling wave tube is series on described second discharge and recharge branch road；
Described second operating circuit is when charge mode, described second charging controlling brancher and described second discharge and recharge branch road conducting under the effect of described second group of switching drive signal, described second control of discharge branch road disconnects, and the electric current of described second input input is to described second energy-storage travelling wave tube charging；
Described second operating circuit is when discharge mode, described second control of discharge branch road and described second discharge and recharge branch road conducting under the effect of described second group of switching drive signal, described second charging controlling brancher disconnects, and described second energy-storage travelling wave tube is to described second outfan electric discharge.
8. the power conversion system that according to claim 1 pair of BOOST circuit is constituted, it is characterised in that the outfan of described first boost conversion module one first load capacitance in parallel；The outfan of described second boost conversion module one second load capacitance in parallel.
9. the power conversion system that according to claim 1 pair of BOOST circuit is constituted, it is characterised in that described switching signal is produced by a logic control element, and described logic control element also produces described first control signal and described second control signal.
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| CN201410849037.1A CN105811762B (en) | 2014-12-30 | 2014-12-30 | The power conversion system that double BOOST circuits are constituted |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461052A (en) * | 2019-07-03 | 2019-11-15 | 宁波安百利印刷有限公司 | The control method and its aerosol delivery device of aerosol delivery device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050036337A1 (en) * | 2003-08-11 | 2005-02-17 | Delta Electronics Inc. | Current sharing method and apparatus for alternately controlling parallel connected boost PFC circuits |
| CN101075779A (en) * | 2006-05-17 | 2007-11-21 | 圆创科技股份有限公司 | Switching Voltage Regulators with Improved Input Voltage Range |
| CN102810984A (en) * | 2012-07-13 | 2012-12-05 | 电子科技大学 | A switching power supply circuit |
| KR20130008103A (en) * | 2011-06-27 | 2013-01-22 | 삼성전기주식회사 | Boost circuit with multiple structure using common inductor |
| CN103390999A (en) * | 2013-06-21 | 2013-11-13 | 燕山大学 | Bidirectional Double Input BUCKBOOST DC Converter and Its Power Distribution Method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050036337A1 (en) * | 2003-08-11 | 2005-02-17 | Delta Electronics Inc. | Current sharing method and apparatus for alternately controlling parallel connected boost PFC circuits |
| CN101075779A (en) * | 2006-05-17 | 2007-11-21 | 圆创科技股份有限公司 | Switching Voltage Regulators with Improved Input Voltage Range |
| KR20130008103A (en) * | 2011-06-27 | 2013-01-22 | 삼성전기주식회사 | Boost circuit with multiple structure using common inductor |
| CN102810984A (en) * | 2012-07-13 | 2012-12-05 | 电子科技大学 | A switching power supply circuit |
| CN103390999A (en) * | 2013-06-21 | 2013-11-13 | 燕山大学 | Bidirectional Double Input BUCKBOOST DC Converter and Its Power Distribution Method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461052A (en) * | 2019-07-03 | 2019-11-15 | 宁波安百利印刷有限公司 | The control method and its aerosol delivery device of aerosol delivery device |
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