CN102542090B - Average model applicable to charge pump circuit and method for constructing average model - Google Patents
Average model applicable to charge pump circuit and method for constructing average model Download PDFInfo
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- CN102542090B CN102542090B CN201010612437.2A CN201010612437A CN102542090B CN 102542090 B CN102542090 B CN 102542090B CN 201010612437 A CN201010612437 A CN 201010612437A CN 102542090 B CN102542090 B CN 102542090B
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Abstract
The invention discloses an average model applicable to a charge pump circuit and a method for constructing the average model. The method comprises the following steps of: deducing expressions of input and output state variables through an application state space analysis method in the process of constructing a model; and constructing an average equivalent model of the charge pump circuit according to a general linear ideal element in an application simulation environment, namely obtaining the average model. The average model constructed by the method is a general model in a time domain and a frequency domain, simulation and analysis in the frequency domain or the time domain can be finished through the average model in an actual circuit, time domain behaviors and frequency domain characteristics have higher consistency, namely generality, and the complexity of analyzing and modeling processes is reduced.
Description
Technical field
The present invention relates to circuit analysis and emulation field, in particular, relate to one and be applicable to averaging model and the method for building up thereof of Charge Pump (charge pump) circuit.
Background technology
Charge Pump (charge pump) is also referred to as switched capacitor voltage changer, is that one is utilized so-called " fast " (flying) or " pumping " electric capacity (but not inductance or transformer) carrys out the DC-DC (transducer) of energy storage.In Charge Pump circuit, charge pump can make input voltage raise or reduce, also can be for generation of negative voltage, and, because its inner FET switch arrays are controlled the charging and discharging of flying capacitor in a certain way, thereby make input voltage with certain factor multiplication or reduce, thereby obtaining needed output voltage.This special modulated process can ensure the efficiency up to 80%, and only needs external ceramic condenser.Because circuit is switch, charge pump construction also can produce certain output ripple and EMI (electromagnetic interference (EMI)).
In prior art; for stability analysis and the simulation of the Digital Analog Hybrid Circuits intermediate ring road relevant to Charge Pump circuit; mostly current emulation and analysis means are to adopt higher level lanquage that can simulated Environmental Support to realize, such as MATLAB or VERILOG-A etc.But, adopt said method to have following limitation:
One, the mode that stability analysis need to be described by higher level lanquage is conventionally set up behavioral scaling or frequency-domain model, and the compiling of higher level lanquage or explanation must be supported by software environment, can not support higher level lanquage compiling or the traditional simulation environment of explaining mostly can only carry out the simulation analysis of behavioral scaling, can not carry out frequency-domain analysis, so the application of this kind of technology has the dependence of environment.
Its two, the behavior emulation in time domain and simulation need be set up different models from the analysis in frequency domain and be solved, and the analysis result that two different models of application produce lacks consistance, the design result in frequency domain can not well be reflected in the behavior in time domain.
Its three, adopt the method for prior art to build model more complicated, and efficiency is low.
As from the foregoing, adopt method of the prior art, Digital Analog Hybrid Circuits intermediate ring road stability analysis and the simulation relevant to Charge Pump circuit lack versatility and validity, and also quite complicated problem of the process of analysis and modeling.
Summary of the invention
In view of this; the invention provides a kind of averaging model and method for building up thereof of the Charge of being applicable to Pump circuit; lack versatility and validity to overcome Digital Analog Hybrid Circuits intermediate ring road stability analysis relevant to Charge Pump circuit in prior art and simulation, and the more complicated problem of analysis and modeling process.
For achieving the above object, the invention provides following technical scheme:
An averaging model method for building up that is applicable to Charge Pump charge pump circuit, comprising:
Obtain the input and output state variable of Charge Pump circuit within the scope of the schedule time;
Obtain the output voltage of described Charge Pump circuit and the ratio of average input voltage, described ratio is the step-up ratio of described Charge Pump circuit;
Analyze and set up the relation between average input voltage and the output voltage of described Charge Pump circuit;
Analyze and set up the relation between average current input and the output load current of described Charge Pump circuit;
According to the above-mentioned described relation of obtaining, utilize desirable controlled member, direct voltage source and dead resistance to set up the averaging model corresponding with described Charge Pump circuit.
Preferably, before the described input and output state variable of setting described circuit within the schedule time, comprising:
Determine structure and circuit unit relevant to Charge Pump circuit in circuit.
Preferably, after the described foundation averaging model corresponding with described Charge Pump circuit, comprising: utilize described averaging model to replace the described Charge Pump circuit in described circuit.
Preferably, the pass between average input voltage and the output voltage of described Charge Pump circuit is:
Described output voltage is that the average input voltage of described Charge Pump circuit is multiplied by step-up ratio, then the value obtained of voltage while deducting described output load current by dead resistance;
Described dead resistance is relevant with oscillator frequency to power switch in described circuit.
Preferably, the pass between described average current input and described output load current is:
The value of described average current input is the product of described output load current and described step-up ratio.
Preferably, described desirable controlled member is controlled voltage source and controlled current source.
Preferably, the step-up ratio of described Charge Pump circuit gets 2.
Preferably, the step-up ratio of described Charge Pump circuit gets 4.
An averaging model that is applicable to Charge Pump charge pump circuit, comprising:
The first controlled current source, the first controlled voltage source that two ends are connected with described the first controlled current source two ends respectively;
One end is connected with described the first controlled voltage source is anodal, the dead resistance that the other end is connected with the second controlled current source;
The one end that does not connect described second controlled current source of described dead resistance is connected with described the first controlled voltage source negative pole;
The anodal direct voltage source connected with the described second controlled current source one end that is connected described dead resistance;
The resistive load that one end is connected with the negative pole of described direct voltage source, the other end of described resistive load is not connected dead resistance and direct voltage source one end with described the second controlled current source connects.
Preferably, the output voltage on described the first controlled voltage source and the pass between input voltage are:
Output voltage is the input voltage of twice.
Known via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of averaging model and method for building up thereof of the Charge of being applicable to Pump circuit, by the expression formula of application state spatial analytical method derivation input and output state variable, and set up the average equivalent model of Charge Pump circuit, i.e. averaging model by the general linear ideal element of application simulation environment.This averaging model of setting up is in the present invention a time domain and the general model of frequency domain, in side circuit, can utilize this averaging model to complete the simulation analysis work in frequency domain or time domain, and make time domain behavior and frequency domain characteristic there is higher consistance, be versatility, and reduce the complexity of analysis and modeling process simultaneously.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is a booster circuit being made up of Charge Pump circuit;
Fig. 2 is the method flow diagram that the disclosed a kind of averaging model that is applicable to Charge Pump circuit of the embodiment of the present invention is set up;
Fig. 3 is the structural representation of the disclosed a kind of averaging model that is applicable to Charge Pump circuit of the embodiment of the present invention;
Fig. 4 is that the disclosed averaging model of the embodiment of the present invention is used for the final circuit model structural representation of the behavior of emulation time domain and frequency domain characteristic in side circuit.
Embodiment
For quote and know for the purpose of, the explanation of the technical term hereinafter using, write a Chinese character in simplified form or abridge and be summarized as follows:
Charge Pump: charge pump;
C: electric capacity, unit: coulomb (electric weight);
R: resistance, unit: ohm;
Error AMP: error amplifier or error voltage amplifier;
Oscillatory: oscillator unit.
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, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
A kind of averaging model and method for building up thereof of the Charge of being applicable to Pump circuit are disclosed in embodiments of the present invention, wherein, in the time carrying out modeling, its core concept of setting up model is by the expression formula of application state spatial analytical method derivation input and output state variable, set up again the average equivalent model of Charge Pump circuit by the general linear ideal element of application simulation environment, i.e. averaging model.This averaging model of setting up is a time domain and the general model of frequency domain, in side circuit, can utilize this averaging model to complete the simulation analysis work in frequency domain or time domain, and make time domain behavior and frequency domain characteristic there is higher consistance, be versatility, and reduce the complexity of analysis and modeling process simultaneously.Concrete technical scheme is described in detail by embodiment disclosed by the invention below.
Refer to accompanying drawing 1 and accompanying drawing 2, for the averaging model of a kind of Charge of being applicable to Pump circuit disclosed by the invention is set up relevant content and concrete process of establishing.
It in Fig. 1, is a booster circuit mainly being formed by Charge Pump circuit unit (part in Fig. 1 in dotted line frame).
Wherein, C
iNand C
oUTrepresent respectively input and output decoupling capacitor; C
pUMPfor realizing the electric capacity of the use of boosting.
Q1, Q2, Q3 and Q4 are power switch, for controlling C
pUMPimpulse electricity process.
R1, R2 and Rload represent respectively resistor voltage divider network and resistive output load.
Operational amplifier Error AMP, for relatively and amplify this booster circuit output voltage V
oUTfeedback signal and reference voltage V
refdifference, and utilize its amplify output come control inputs voltage V
iNand the variable resistor R being connected in series between Charge Pump circuit unit
oN.
Oscillator unit Oscillator produce control the required timing control signal of Q1～Q4 power switch conducting (
with
), and the frequency of timing control signal is F
oSC.
Description from above-mentioned Fig. 1: mainly comprise in the structure relevant to Charge Pump circuit and circuit unit: the capacitor C of the use of boosting
pUMP, control and boost and use capacitor C
pUMPq1～Q4 power switch of charge and discharge process and output decoupling capacitor C
oUT.On the basis of above-mentioned lifted circuit theory, refer to accompanying drawing 2, be the method flow diagram that the present invention discloses a kind of averaging model foundation of the Charge of being applicable to Pump circuit, mainly comprise the following steps:
Step S101, determines structure and circuit unit relevant to Charge Pump circuit in circuit.
In execution step when S101, be mainly to determine the boost use electric capacity relevant to Charge Pump circuit (for example, the capacitor C of Fig. 1 in giving an example
pUMP), and control and for example boost, with the power switch of capacitor charge and discharge (, the power switch Q1～Q4 of Fig. 1 in giving an example).
Step S102, obtains the input and output state variable that represents the Charge Pump circuit of average meaning within the scope of the schedule time.
In the time of execution step S102, adopt and set the circuit input and output state variable that represents average meaning, the average meaning here refers to the mean value of circuit physical quantity in predetermined (a fixing) time range.For example, in the clock period, flow into the arithmetic mean of described circuital current, or this predefined time range can be also to include one or more C
pUMPcompletely discharge and recharge the cycle.
It should be noted that, the input and output state variable mean value of the described Charge Pump circuit in above-mentioned steps S102 comprises: input/output voltage: V
iN/ V
oUT, I/O electric current: I
iN/ I
oUTwith the electric current I load that flows through resistive load Rload.
Step S 103, determines that the step-up ratio of described Charge Pump circuit, described step-up ratio are the output voltage of described Charge Pump circuit and the ratio of average input voltage.
When S 103, determine the step-up ratio of described Charge Pump circuit in execution step, obtain output voltage (for example, the output voltage V of Fig. 1 in giving an example of Charge Pump circuit
oUT) with Charge Pump circuit the ratio of average input voltage.For example, in Fig. 1 gives an example, be to obtain output voltage V
oUTwith variable resistor R
oNthe average input voltage V of right-hand member
1ratio.In disclosed embodiment of this invention, this ratio D is 2, is preferably choosing value.But the present invention is not limited in this about the concrete numerical value of this ratio, according to the difference of Charge Pump circuit, this step-up ratio may be the N such as 3,4 or 5 boost values doubly.
Step S104, analyze and set up the relational expression between average input voltage and the output voltage of described Charge Pump circuit, be that described output voltage is: described output voltage is that the average input voltage of described ChargePump circuit is multiplied by step-up ratio, then the value obtained of voltage while deducting described output load current by dead resistance.
In the process of execution step S104, adopt giving an example in Fig. 1, and get the preferably ratio that boosts of described Charge Pump circuit (being 2), the relational expression (1) that can obtain in step S104 is:
V
OUT＝2V
1-2I
LOADR
P； (1)
R in formula
pthe dead resistance that expression is relevant to power switch and oscillator frequency.
Step S105, analyze and set up the relation between average current input and the output load current of described Charge Pump circuit, the value of the average current input of described Charge Pump circuit is the product of the step-up ratio of described output load current and described Charge Pump circuit.
Equally, in the process of execution step S105, adopt giving an example in Fig. 1, the step-up ratio of Charge Pump circuit gets 2 in this embodiment, and the mathematic(al) representation for relation (2) between described average current input and described output load current is:
I
IN＝2I
LOAD； (2)
Step S106, according to above-mentioned steps S103 to the kinds of relationships formula of obtaining in step S105, utilize desirable controlled member, direct voltage source and dead resistance to set up the averaging model corresponding with described Charge Pump circuit, described averaging model can replace actual Charge Pump circuit to carry out emulation.
The desirable controlled member utilizing in step S106 is controlled voltage source and controlled current source, and the concrete averaging model of setting up, refers to accompanying drawing 3.
As shown in Figure 3, the pass between desirable controlled member is:
E
1for controlled current source, reference quantity is for flowing through direct voltage source V
selectric current, size is 2I
s.
E
2for controlled voltage source, reference quantity is input voltage V
1, and output voltage V
2with V
1pass be formula 3:
V
2＝2V
1。(3)
E
3for controlled current source, reference quantity is for flowing through direct voltage source V
selectric current, size is I
s, and in this averaging model direct voltage source V
sfor detection of the electric current I load that flows into load.
As shown in Figure 3, the disclosed modeling of the embodiment of the present invention, the concrete structure of the averaging model of setting up is:
Controlled current source E
1the two ends of (the first controlled current source) respectively with controlled voltage source E
2the two ends of (the first controlled voltage source) connect; Described controlled voltage source E
2anodal one end and the resistance R of (the first controlled voltage source)
pthe one end of (dead resistance) is connected, described resistance R
pthe other end of (dead resistance) and controlled current source E
3(the second controlled current source) is connected; Described controlled voltage source E
2the negative pole one end of (the first controlled voltage source) and described controlled current source E
3(the second controlled current source) not contact resistance R
pthe one end of (dead resistance) connects; Described controlled current source E
3(the second controlled current source) and described resistance R
pone end while and direct voltage source V that (dead resistance) is connected
sanodal one end be connected; Described direct voltage source V
snegative pole one end be connected with one end of resistive load Rload, the other end of described resistive load Rload and described controlled current source E
3(the second controlled current source) not contact resistance R
p(dead resistance) and direct voltage source V
sone end connect.
It should be noted that, the effect of the concrete structure of above-mentioned averaging model based on relation between desirable controlled member, can realize the general model of time domain and frequency domain, completes the simulation analysis work in frequency domain or time domain.
On the basis of the disclosed embodiment of the invention described above, when in the invention described above embodiment, disclosed averaging model is arranged in side circuit, can complete on the basis of the simulation analysis work to frequency domain or time domain, making time domain behavior and frequency domain characteristic have higher consistance is versatility, and according to circuit input, the output state variable of average meaning, and adopt desirable controlled member to set up this averaging model, reduced the complexity of carrying out analysis and modeling process simultaneously.
Refer to accompanying drawing 4, on the basis of giving an example at Fig. 1, by in this actual circuit of the averaging model substitution of above-mentioned foundation, and remove clock generation circuit simultaneously, utilize the averaging model of setting up to replace the circuit of actual Charge Pump, can obtain the final circuit model for the behavior of emulation time domain and frequency domain characteristic.
The concrete structure of this final circuit model is: on the basis of the circuit diagram described in Fig. 1, make the averaging model shown in Fig. 3 replace the circuit in dotted line frame in Fig. 1.Wherein, the resistive load Rload in resistive load Rload and Fig. 1 in Fig. 3 is same, the controlled current source E in Fig. 3
1(the first controlled current source) and controlled voltage source E
2the connected one end ground connection of (the first controlled voltage source) negative pole, the other end with Fig. 1 in variable resistor R
oNright-hand member be connected.
In sum:
While carrying out modeling in embodiments of the present invention, its core concept of setting up model is by the expression formula of application state spatial analytical method derivation input and output state variable, set up again the average equivalent model of Charge Pump circuit by the general linear ideal element of application simulation environment, i.e. averaging model.This averaging model of setting up is a time domain and the general model of frequency domain, in side circuit, can utilize this averaging model to complete the simulation analysis work in frequency domain or time domain, and making time domain behavior and frequency domain characteristic have higher consistance is versatility, and reduces the complexity of analysis and modeling process simultaneously.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an averaging model method for building up that is applicable to Charge Pump charge pump circuit, is characterized in that, comprising:
Obtain the input and output state variable that represents the Charge Pump circuit of average meaning within the scope of the schedule time, the mean value of described input and output state variable comprises: input and output voltage, input and output electric current, and output load current;
Obtain the output voltage of described Charge Pump circuit and the ratio of average input voltage, described ratio is the step-up ratio of described Charge Pump circuit;
Analyze and set up the relation between average input voltage and the output voltage of described Charge Pump circuit;
Analyze and set up the relation between average current input and the output load current of described Charge Pump circuit;
According to the above-mentioned described relation of obtaining, utilize desirable controlled member, direct voltage source and dead resistance to set up the averaging model corresponding with described Charge Pump circuit;
Utilize described averaging model to replace the described Charge Pump circuit in described circuit, and remove the clock generation circuit in described circuit, to obtain the circuit model for the behavior of emulation time domain and frequency domain characteristic;
Wherein, the pass between average input voltage and the output voltage of described Charge Pump circuit is:
Described output voltage is that the average input voltage of described Charge Pump circuit is multiplied by step-up ratio, then the value obtained of voltage while deducting described output load current by dead resistance;
Described dead resistance is relevant with oscillator frequency to power switch in described circuit.
2. method according to claim 1, is characterized in that, described before obtaining the input and output state variable of Charge Pump circuit that represents average meaning within the scope of the schedule time, comprising:
Determine structure and circuit unit relevant to Charge Pump circuit in circuit.
3. method according to claim 1, is characterized in that, the pass between described average current input and described output load current is:
The value of described average current input is the product of described output load current and described step-up ratio.
4. method according to claim 1, is characterized in that, described desirable controlled member is controlled voltage source and controlled current source.
5. method according to claim 1, is characterized in that, the step-up ratio of described Charge Pump circuit gets 2.
6. method according to claim 1, is characterized in that, the step-up ratio of described Charge Pump circuit gets 4.
7. an averaging model that is applicable to Charge Pump charge pump circuit, is characterized in that, comprising:
The first controlled current source, the first controlled voltage source that two ends are connected with described the first controlled current source two ends respectively;
One end is connected with described the first controlled voltage source is anodal, the dead resistance that the other end is connected with the second controlled current source;
The one end that does not connect described second controlled current source of described dead resistance is connected with described the first controlled voltage source negative pole;
The anodal direct voltage source connected with the described second controlled current source one end that is connected described dead resistance;
The resistive load that one end is connected with the negative pole of described direct voltage source, the other end of described resistive load is not connected dead resistance and direct voltage source one end with described the second controlled current source connects.
8. averaging model according to claim 7, is characterized in that, the output voltage on described the first controlled voltage source and the pass between input voltage are:
Output voltage is the input voltage of twice.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127524A (en) * | 2007-07-10 | 2008-02-20 | 中国人民解放军国防科学技术大学 | Charge pump circuit for eliminating current over pulse in PLL |
| CN101753011A (en) * | 2008-12-16 | 2010-06-23 | 上海华虹Nec电子有限公司 | Behavioral scaling model of charge pump circuit suitable for spice scaling emulation |
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| US20020114417A1 (en) * | 2000-10-10 | 2002-08-22 | Mcdonagh Stephen J. | Model for charge pump phase-locked loop |
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2010
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127524A (en) * | 2007-07-10 | 2008-02-20 | 中国人民解放军国防科学技术大学 | Charge pump circuit for eliminating current over pulse in PLL |
| CN101753011A (en) * | 2008-12-16 | 2010-06-23 | 上海华虹Nec电子有限公司 | Behavioral scaling model of charge pump circuit suitable for spice scaling emulation |
Non-Patent Citations (4)
| Title |
|---|
| 《一种低电压、高增益电荷泵》;杨盛光等;《电子与信息学报》;20070831;第29卷(第8期);第1-5页 * |
| 《一种线性电荷泵稳压电路的设计》;孙天威;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20070515(第5期);第9-12页 * |
| 孙天威.《一种线性电荷泵稳压电路的设计》.《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》.2007,(第5期),第9-11页. |
| 杨盛光等.《一种低电压、高增益电荷泵》.《电子与信息学报》.2007,第29卷(第8期),第1-5页. |
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