CN105896972B - A kind of Adaptive Second slope compensation circuit for BUCK converters - Google Patents
A kind of Adaptive Second slope compensation circuit for BUCK converters Download PDFInfo
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- CN105896972B CN105896972B CN201610258076.3A CN201610258076A CN105896972B CN 105896972 B CN105896972 B CN 105896972B CN 201610258076 A CN201610258076 A CN 201610258076A CN 105896972 B CN105896972 B CN 105896972B
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- transmission gate
- pmos tube
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/1563—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators without using an external clock
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/1566—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with means for compensating against rapid load changes, e.g. with auxiliary current source, with dual mode control or with inductance variation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention belongs to electronic technology field, and in particular to a kind of Adaptive Second slope compensation circuit for peak-current mode BUCK converters.The circuit of the present invention, including self-adaptive current generation circuit and secondary voltage signal generating circuit；The first input end of the self-adaptive current generation circuit connects the duty cycle signals of BUCK converters, second input termination reference voltage of self-adaptive current generation circuit, the first input end of the output termination secondary voltage signal generating circuit of self-adaptive current generation circuit；Second input termination pulse switch signal of the secondary voltage signal generating circuit, its output terminal output adaptive secondary voltage signal.Beneficial effects of the present invention are not only to have the advantages that secondary slope compensation, while suitable for the variable current-mode Buck converters of switching frequency.
Description
Technical field
The invention belongs to electronic technology field, and in particular to a kind of for the adaptive of peak-current mode BUCK converters
Secondary slope compensation circuit.
Background technology
The electronic system that function is become stronger day by day is powered using POL power supply mostly, and the requirement to such power supply is highly reliable
Property, high efficiency and high power density, or even some battery powered equipment requirement POL power supplies can be in very low input
In the case of work normally.These high requests undoubtedly bring new challenge to the design of electric pressure converter.The switch electricity of current-mode
Source chip is widely used for doing POL power supply because of the advantages that its compensation loop is simple, dynamic property is good.However, current-mode
Control is easily affected by factors, for example inappropriate slope compensation can cause subharmonic oscillation or loop response to be deteriorated
Deng.
Traditional slope compensation scheme has fixed ramp compensation, Piecewise Linear Slope Compensation, secondary slope compensation etc., they
Each own advantage and disadvantage.
Fixed ramp compensation circuit is simple in structure, but compensates that slope is constant causes benefit occurred under certain operating conditions
Repay or undercompensation, influence load capacity, response speed and the stability of system；The compensation slope of Piecewise Linear Slope Compensation exists
Several different values can be taken in whole duty cycle range, avoid fixed ramp compensation to a certain extent in small duty cycle
In the case of overcompensation, but slope compensation is all optimal value in the case of its unreal currently all duty cycle；Mend on secondary slope
The correspondence just solved well between optimal compensation slope and duty cycle is repaid, the system under all duty cycles that realizes has very
Good stability and response speed.But present current-mode Buck converters is adapt to the application of more occasions, using can be outer
The switching frequency of synchronous adjustment, because the inductance value that different switching frequency corresponding selections is different, and the slope and electricity compensated
Inductance value is related, thus brings problem to slope compensation, and above-mentioned three kinds of schemes are all no longer applicable in.
The content of the invention
The purpose of the present invention is to solve the above problem, proposes a kind of Adaptive Second slope for BUCK converters
Compensation circuit.
The technical scheme is that：A kind of Adaptive Second slope compensation circuit for BUCK converters, its feature
It is, including self-adaptive current generation circuit and secondary voltage signal generating circuit；The self-adaptive current generation circuit is used for
Produce the current signal changed with BUCK converters change in duty cycle；The first input end of the self-adaptive current generation circuit
Connect the duty cycle signals of BUCK converters, the second input termination reference voltage of self-adaptive current generation circuit, self-adaptive current
The first input end of the output termination secondary voltage signal generating circuit of generation circuit；The secondary voltage signal generating circuit is used
In the electric current that self-adaptive current generation circuit exports is converted into secondary slope compensation signal by capacitance integral；The secondary electricity
Press the second input termination pulse switch signal of signal generating circuit, its output terminal output adaptive secondary voltage signal.
Further, the self-adaptive current generation circuit includes the first NMOS tube M1, the second NMOS tube M7, the first PMOS
Pipe M2, the second PMOS tube M3, the 3rd PMOS tube M4, the 4th PMOS tube M5, the 5th PMOS tube M6, the first transmission gate TG1, second pass
Defeated door TG2, the 3rd transmission gate TG3, the 4th transmission gate TG4, the 5th transmission gate TG5, the first capacitance C1, the second capacitance C2, the 3rd
Capacitance C3, the 4th capacitance C4, resistance Rs and operational amplifier；
The source electrode of the first PMOS tube M2 connects power supply, its grid and drain interconnection；
The source electrode of the second PMOS tube M3 connects power supply, its grid meets the drain electrode of the first PMOS tube M2, the second PMOS tube M3
Drain electrode by being grounded after the second capacitance C2；
The source electrode of the 3rd PMOS tube M4 connects power supply, its grid meets the drain electrode of the first PMOS tube M2, the 3rd PMOS tube M4
Drain electrode for self-adaptive current generation circuit output terminal；
The source electrode of the 4th PMOS tube M5 connects power supply, its grid and drain interconnection；
The source electrode of the 5th PMOS tube M6 connects power supply, its grid meets the drain electrode of the 4th PMOS tube M5, the 5th PMOS tube M6
Drain electrode by being grounded after the first capacitance C1；
The first transmission gate TG1 is controlled by duty cycle signals, and one terminates the drain electrode of the 5th PMOS tube M6, another termination
Ground；
The second transmission gate TG2 is controlled by reverse duty cycle signals, and one terminates the drain electrode of the 5th PMOS tube M6, another
Terminate one end of the 3rd transmission gate TG3；
The 3rd transmission gate TG3 is controlled by duty cycle signals, the negative input end of its another termination operational amplifier；
The tie point of the second transmission gate TG2 and the 3rd transmission gate TG3 after the 3rd capacitance C3 by being grounded；
The positive input of the operational amplifier connects reference voltage, it exports the grid of the first NMOS tube M1 of termination；
The drain electrode of the first NMOS tube M1 connects the drain electrode of the first PMOS tube M2, the source electrode ground connection of the first NMOS tube M1；
The 4th transmission gate TG4 is controlled by reverse duty cycle signals, and one terminates the drain electrode and the of the second PMOS tube M3
One end of five transmission gate TG5, other end ground connection；
The 4th transmission gate TG4 is with the tie point that the second PMOS tube M3 drains by being grounded after the second capacitance C2；
The 5th transmission gate TG5 is controlled by duty cycle signals, the grid of the second NMOS tube M7 of its another termination, and the 5th passes
The tie point of defeated door TG5 and the second NMOS tube M7 grids after the 4th capacitance C4 by being grounded；
The drain electrode of the second NMOS tube M7 connects the drain electrode of the 4th PMOS tube M5, and the source electrode of the second NMOS tube M7 passes through resistance
It is grounded after Rs；
The secondary voltage signal generating circuit includes the 6th transmission gate TG6, the 7th transmission gate TG7, the 5th capacitance C5, the
Six capacitance C6 and trsanscondutance amplifier；
The 6th transmission gate TG6 is controlled by pulse switch signal, and one terminates the input terminal of trsanscondutance amplifier, the other end
Ground connection；
The tie point of the 6th transmission gate TG6 and trsanscondutance amplifier input terminal after the 5th capacitance C5 by being grounded；
The tie point of the 6th transmission gate TG6, trsanscondutance amplifier input terminal and the 5th capacitance C5 meet the 3rd PMOS tube M4
Drain electrode；
The output terminal of the trsanscondutance amplifier after the 6th capacitance C6 by being grounded；
The tie point of the trsanscondutance amplifier output terminal and the 6th capacitance C6 connects one end of the 7th transmission gate TG7；
The 7th transmission gate TG7 is controlled by pulse switch signal, its other end ground connection；
The trsanscondutance amplifier output terminal, the 6th capacitance C6 and the tie point of the 7th transmission gate TG7 one end are secondary voltage
The output terminal of signal generating circuit.
Beneficial effects of the present invention are not only to have the advantages that secondary slope compensation, while variable suitable for switching frequency
Current-mode Buck converters, that is, compensate hill slope not only adaptive input output voltage can also be according to switching frequency and electricity
Inductance value and change so that can all have most suitable compensation slope under different application conditions.
Brief description of the drawings
Fig. 1 Adaptive Second slope compensation circuit structure diagrams；
Fig. 2 self-adaptive current generation circuit structure charts；
Fig. 3 secondary voltage signal generating circuit structure charts；
Fig. 4 is that self-adaptive current generation circuit output current emulates schematic diagram under different switching frequencies；
Fig. 5 is that Adaptive Second ramp signal emulates schematic diagram under different duty.
Embodiment
Below in conjunction with the accompanying drawings, detailed description of the present invention technical solution：
The present invention proposes a kind of Adaptive Second slope compensation circuit, including self-adaptive current generation circuit and secondary electricity
Press two modules of signal generating circuit.As shown in Figure 1, two submodular circuits are used in series, it can be applied to Peak Current Mode
In the Buck converters of formula.First principles analysis：Shown in required secondary ramp signal such as formula (1), wherein Vin is power source
Input voltage, Zcf use resistance for electric current, and fs is the switching signal of burst pulse；According to inductance L in formula (2) and maximum load electricity
The relation between ILOAD, ripple factor a, output voltage and duty cycle is flowed, arrangement is available from adapting to needed for secondary slope compensation
With duty cycle and the relevant voltage signal expression formula (3) of switching frequency, therefore it can achieve the purpose that adaptive change.
In the solution of the present invention：
The duty cycle signals of the input termination converter of self-adaptive current generation module, export and connect secondary singal production for electric current
Raw module.The size of the electric current has relation with duty cycle and switching frequency, can be adaptively with input/output voltage, switch
The change of frequency and inductance value and change.Self-adaptive current is passed sequentially through capacitance integral and obtained by secondary voltage signal generator module
Linear voltage, then linear voltage is converted into by trsanscondutance amplifier, finally obtained further through capacitance integral required
Secondary slope compensation signal.
When selecting different output voltages and inductance according to application conditions, corresponding duty cycle and switching frequency will become
Change, therefore the self-adaptive current value produced can also change, and finally obtain the most suitable secondary slope compensation letter under the application conditions
Number.
Wherein self-adaptive current generation circuit by two NMOS tubes (M1 and M7), five PMOS tube (M2, M3, M4, M5 and
M6), five transmission gates (TG1, TG2, TG3, TG4 and TG5), four capacitances (C1, C2, C3 and C4), resistance Rs and amplifier Av groups
Into as shown in Figure 2.Basic structure and principle are：The source termination power of M6, leaks termination capacitor C1 and transmission gate TG1, TG2, grid end
Connect the grid end of M5；The other end ground connection of C1, TG1 is controlled by duty cycle signals D and the other end is grounded, and TG2 is believed by inverse duty cycle
Number D ' control and another termination TG3 and capacitance C3；The capacitance C3 other ends are grounded, and TG3 is controlled by duty cycle signals and another termination
The negative input end of capacitance CINT and voltage amplifier Av, another termination Av of positive input termination the reference voltage VREF, CINT of Av
Output and M1 grid end, TG2 and TG3 are alternately opened herein, and form switching capacity integration with amplifier Av, capacitance CINT
Device；M1 is the input pipe of a common source amplifying stage, its source ground connection, and drain terminal connects grid and the leakage of M2, and to be further connected with source inclined for the drain terminal of M1
Electric current Ib1 is put to stablize mutual conductance；The source termination power of M2, grid end connect the grid end of M3 and M4, and M2 forms current mirror knot with M3, M4
Structure；The source termination power of M3, the drain terminal of M3 meet C2 and TG4；C2 the other end ground connection, TG4 controlled by inverse duty cycle signal and
Another termination TG5, TG5 are controlled by duty cycle signals and the grid end of another termination C4 and M7；The C4 other ends are grounded, and the source of M7 connects
The other end ground connection of resistance Rs, Rs；The drain terminal of M7 connects M5 drain terminals and active biased electric current Ib2；The grid end and drain terminal of M5 is connected on one
Rise, source termination power；Herein, the electric current of M3 mirror images gives C2 chargings, the voltage signal obtained on C2 pass sequentially through again switch TG4,
TG5 and C4, forms a basic sampling and keep module；Again by the voltage signal obtained on C4 by being connected to source degeneration resistance
The M7 of Rs and bias current Ib2 are converted to current signal, and the M5 mirror images then connected by diode feed back to M6.Total is
Data sampling reponse system, after loop stability, the drain terminal of M4 obtains and duty cycle and the relevant electric current Icharge of switching frequency.
The effect of the secondary voltage signal generating circuit is that the adaptive current signal Icharge that will be obtained is changed
Into periodic secondary voltage signal, it is made of capacitance C5, capacitance C6, transmission gate TG6 and TG7 and trsanscondutance amplifier gm,
As shown in Figure 3.Basic structure and principle are：One end of capacitance C5 meets self-adaptive current Icharge, TG6 and trsanscondutance amplifier gm；
Icharge charges to obtain voltage signal with the time into once relation to C5 herein, then this voltage signal is put by mutual conductance
Big device gm is converted to primary current signal；TG6 is grounded by the switching signal fs controls of burst pulse and the other end, trsanscondutance amplifier gm
Output meets capacitance C6 and TG7, and capacitance C6 other ends ground connection, TG7 is controlled by burst pulse switching signal fs and the other end is grounded；Herein
Primary current signal integrates to obtain required secondary singal by capacitance C6, and the output end voltage of gm is just to be periodically adaptive
Secondary slope compensation signal Vramp_quad (t).
When input and output voltage, switching frequency and inductance value change, the size of Icharge will accordingly change, output
Most suitable slope compensation signal Vramp_quad (t).
Fig. 4 be different switching frequencies under Icharge simulation result, it can be seen that current value and switching frequency into square close
System, meets theory calls, illustrates that compensation slope being capable of frequency of adaptive switch change；Fig. 5 is adaptive two under different duty
Secondary ramp signal simulation result, needs the compensation slope of very little, as shown in the figure, i.e. slope is very slow, works as D=when corresponding to D=0.1
The compensation slope needed when 0.9 is very big, and the change of adaptive duty cycle is capable of on comparative illustration compensation slope.
Claims (1)
1. a kind of Adaptive Second slope compensation circuit for BUCK converters, it is characterised in that produced including self-adaptive current
Raw circuit and secondary voltage signal generating circuit；The self-adaptive current generation circuit is used to produce with BUCK converter duty cycles
The current signal for changing and changing；The first input end of the self-adaptive current generation circuit connects the duty cycle letter of BUCK converters
Number, the second input of self-adaptive current generation circuit terminates reference voltage, and the output termination of self-adaptive current generation circuit is secondary
The first input end of voltage signal generation circuit；The secondary voltage signal generating circuit is used for self-adaptive current generation circuit
The electric current of output is converted into secondary slope compensation signal by capacitance integral；The second of the secondary voltage signal generating circuit is defeated
Enter to terminate pulse switch signal, its output terminal output adaptive secondary voltage signal；
The self-adaptive current generation circuit includes the first NMOS tube (M1), the second NMOS tube (M7), the first PMOS tube (M2), the
Two PMOS tube (M3), the 3rd PMOS tube (M4), the 4th PMOS tube (M5), the 5th PMOS tube (M6), the first transmission gate (TG1),
Two transmission gates (TG2), the 3rd transmission gate (TG3), the 4th transmission gate (TG4), the 5th transmission gate (TG5), the first capacitance (C1),
Two capacitances (C2), the 3rd capacitance (C3), the 4th capacitance (C4), resistance (Rs) and operational amplifier；
The source electrode of first PMOS tube (M2) connects power supply, its grid and drain interconnection；
The source electrode of second PMOS tube (M3) connects power supply, its grid connects the drain electrode of the first PMOS tube (M2), the second PMOS tube
(M3) drain electrode is grounded afterwards by the second capacitance (C2)；
The source electrode of 3rd PMOS tube (M4) connects power supply, its grid connects the drain electrode of the first PMOS tube (M2), the 3rd PMOS tube
(M4) drain electrode is the output terminal of self-adaptive current generation circuit；
The source electrode of 4th PMOS tube (M5) connects power supply, its grid and drain interconnection；
The source electrode of 5th PMOS tube (M6) connects power supply, its grid connects the drain electrode of the 4th PMOS tube (M5), the 5th PMOS tube
(M6) drain electrode is grounded afterwards by the first capacitance (C1)；
First transmission gate (TG1) is controlled by duty cycle signals, and one terminates the drain electrode of the 5th PMOS tube (M6), another termination
Ground；
Second transmission gate (TG2) is controlled by reverse duty cycle signals, and one terminates the drain electrode of the 5th PMOS tube (M6), another
Terminate one end of the 3rd transmission gate (TG3)；
3rd transmission gate (TG3) is controlled by duty cycle signals, the negative input end of its another termination operational amplifier；
Second transmission gate (TG2) and the tie point of the 3rd transmission gate (TG3) are grounded afterwards by the 3rd capacitance (C3)；
The positive input of the operational amplifier connects reference voltage, it exports the grid of the first NMOS tube of termination (M1)；
The drain electrode of first NMOS tube (M1) connects the drain electrode of the first PMOS tube (M2), the source electrode ground connection of the first NMOS tube (M1)；
4th transmission gate (TG4) is controlled by reverse duty cycle signals, and one terminates the drain electrode and the of the second PMOS tube (M3)
One end of five transmission gates (TG5), other end ground connection；
4th transmission gate (TG4) is grounded afterwards with the tie point that the second PMOS tube (M3) drains by the second capacitance (C2)；
5th transmission gate (TG5) is controlled by duty cycle signals, the grid of its second NMOS tube of another termination (M7), and the 5th passes
Defeated door (TG5) and the tie point of the second NMOS tube (M7) grid are grounded afterwards by the 4th capacitance (C4)；
The drain electrode of second NMOS tube (M7) connects the drain electrode of the 4th PMOS tube (M5), and the source electrode of the second NMOS tube (M7) passes through electricity
Resistance (Rs) is grounded afterwards；
The secondary voltage signal generating circuit include the 6th transmission gate (TG6), the 7th transmission gate (TG7), the 5th capacitance (C5),
6th capacitance (C6) and trsanscondutance amplifier；
6th transmission gate (TG6) is controlled by pulse switch signal, and one terminates the input terminal of trsanscondutance amplifier, another termination
Ground；
6th transmission gate (TG6) and the tie point of trsanscondutance amplifier input terminal are grounded afterwards by the 5th capacitance (C5)；
The tie point of 6th transmission gate (TG6), trsanscondutance amplifier input terminal and the 5th capacitance (C5) connects the 3rd PMOS tube
(M4) drain electrode；
The output terminal of the trsanscondutance amplifier is grounded afterwards by the 6th capacitance (C6)；
The tie point of the trsanscondutance amplifier output terminal and the 6th capacitance (C6) connects one end of the 7th transmission gate (TG7)；
7th transmission gate (TG7) is controlled by pulse switch signal, its other end ground connection；
The tie point of the trsanscondutance amplifier output terminal, the 6th capacitance (C6) and the 7th transmission gate (TG7) one end is secondary voltage
The output terminal of signal generating circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610258076.3A CN105896972B (en) | 2016-04-22 | 2016-04-22 | A kind of Adaptive Second slope compensation circuit for BUCK converters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258076.3A CN105896972B (en) | 2016-04-22 | 2016-04-22 | A kind of Adaptive Second slope compensation circuit for BUCK converters |
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| CN105896972B true CN105896972B (en) | 2018-05-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667293A (en) * | 2018-07-09 | 2018-10-16 | 成都信息工程大学 | A kind of secondary slope compensation circuit suitable for current-mode BUCK converters |
| CN109149931B (en) * | 2018-08-29 | 2019-10-11 | 北京机械设备研究所 | Slope-error compensation circuit for peak value comparison method BUCK converter |
| CN113922636B (en) * | 2021-07-27 | 2023-12-22 | 西安理工大学 | Large-load capacity slope compensation circuit and compensation method of DC-DC converter |
| CN114938139B (en) * | 2022-06-20 | 2023-05-26 | 电子科技大学 | Ripple control Buck converter based on dual-path switching current integrator |
| CN117691824A (en) * | 2023-10-20 | 2024-03-12 | 晟芯腾跃(北京)科技有限公司 | Current mode quadratic term slope compensation circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938611A (en) * | 2011-08-15 | 2013-02-20 | 美国亚德诺半导体公司 | Slope compensation voltage generation circuit and method, switch regulator and power source |
| CN103762842A (en) * | 2013-11-25 | 2014-04-30 | 苏州贝克微电子有限公司 | Adaptive compensation ramp generator |
| CN104506035A (en) * | 2014-12-10 | 2015-04-08 | 中山大学 | Self-adaptive slope compensation circuit |
-
2016
- 2016-04-22 CN CN201610258076.3A patent/CN105896972B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938611A (en) * | 2011-08-15 | 2013-02-20 | 美国亚德诺半导体公司 | Slope compensation voltage generation circuit and method, switch regulator and power source |
| CN103762842A (en) * | 2013-11-25 | 2014-04-30 | 苏州贝克微电子有限公司 | Adaptive compensation ramp generator |
| CN104506035A (en) * | 2014-12-10 | 2015-04-08 | 中山大学 | Self-adaptive slope compensation circuit |
Non-Patent Citations (2)
| Title |
|---|
| Research and Design of a Self-adaptable Slope Compensation Circuit with Simple Structure;Yi-zhong Yang et al.;《2010 IEEE International Conference on Intelligent Computing and Intelligent Systems (ICIS)》;20101031;第333-335页 * |
| 一种用于Buck DC-DC转换器的自适应斜坡补偿电路;李帅等;《电子技术应用》;第51-53，57页;20100228(第2期);第51-53,57页 * |
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| CN105896972A (en) | 2016-08-24 |
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