CN110134172A - A kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability - Google Patents
A kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability Download PDFInfo
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- CN110134172A CN110134172A CN201910383102.9A CN201910383102A CN110134172A CN 110134172 A CN110134172 A CN 110134172A CN 201910383102 A CN201910383102 A CN 201910383102A CN 110134172 A CN110134172 A CN 110134172A
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- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
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Abstract
The invention discloses a kind of complementary bipolar reference current sources with power consumption step-by-step adjustment ability, including reference voltage source generating circuit structure and the reference current source connecting with reference voltage source generating circuit structure control and generation circuit structure.The invention has the benefit that full bias current, 50% full bias current and 25% full bias current can be obtained by the way that different bias voltages is arranged, increase the flexibility of reference current source to adapt to the circuit to become increasingly complex.In the case where ensure that this reference current source precision, increase the flexibility of this structure, the reference current of 25% full deflection current, 50% full deflection current and 100% full deflection current these three sizes can be provided, and, the superperformance that the present invention still has traditional benchmark current source not to be affected by temperature, and structure and uncomplicated, it is easy to accomplish, requirement of some complicated circuits for different size reference current source can be met.
Description
Technical field
The present invention relates to analogue layout fields, it particularly relates to which a kind of have power consumption step-by-step adjustment ability
Complementary bipolar reference current source.
Background technique
Reference current source is a critically important modular circuit in integrated circuit, it is provided for entire circuit is not become by temperature
Change influence electric current, that is, provide a stable quiescent point, reference current source be widely used in ADC/DAC, amplifier,
In the circuits such as phaselocked loop, LDO.
In traditional reference current source, usually used some structures be Widlar current source and Oguey current source etc.,
These current sources can provide a stable quiescent point.Traditional structure is multitube bias current sources, by symmetrical
Resistance is added in multipipe structure on one side wherein, and the reference current not influenced by circuit voltage is obtained by the symmetry of current mirror,
The complex structural designs degree is lower, and chip occupied area is small, and structure is simple, but precision is lower, and flexibility is poor, is not adjustable
Reference current.Another traditional structure is band-gap reference bias current sources, the band-gap reference unlike multitube bias current sources
Bias current sources are the reference voltages for first generating a high-precision in band-gap circuit and not influenced substantially by flow-route and temperature, are led to
It crosses after the buffering of operational amplifier and is converted into reference current through overvoltage-current converter circuit, then is by current mirror that electric current is defeated
Out to the other function module of system.The structure precision is higher, but same flexibility is poor, is not adjustable reference current.Current
In common traditional benchmark voltage source, can seldom there be the reference current source structure for adjusting size of current.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
Current of the same race, which can only be provided, for traditional reference current source to adjust difference greatly by change biasing
Low current and being difficult to meets the problem of current portions circuit is to different size bias current requirement, and the present invention proposes a kind of there is function
The complementary bipolar reference current source of step-by-step adjustment ability is consumed, the present invention adjusts two by two different bias voltages of setting
The opening and closing of a bias voltage achieve the effect that control reference current size, can be obtained by the bias voltage for being arranged different
Full bias current, 50% full bias current and 25% full bias current, increase the flexibility of reference current source to adapt to increasingly
Complicated circuit.
For this purpose, the specific technical solution that the present invention uses is as follows:
A kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability, including reference voltage source generating circuit
Structure and the reference current source being connect with reference voltage source generating circuit structure control and generation circuit structure.
Further, the reference voltage source generating circuit structure includes triode Q1, triode Q2, triode Q3, three
Pole pipe Q4, triode Q5, triode Q6, triode Q7, triode Q8, triode Q9, triode Q10, triode Q11, three poles
Pipe Q12, triode Q13, triode Q14, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electricity
Source anode VDD, power cathode GND, output end OUT1, output end OUT2 and output end OUT3.
Further, the positive pole VDD successively transmitting with the emitter of the triode Q1, the triode Q2
Pole, the emitter of the triode Q3, the emitter of the triode Q4, the emitter of the triode Q5, the triode
The emitter of the emitter of Q6, the emitter of the triode Q7 and the triode Q9 connects, the current collection of the triode Q1
Pole is connect with the emitter of the triode Q8, the base stage of the triode Q1 successively with the base stage of the triode Q2 and described
The emitter of triode Q8 connects, the base stage of the triode Q8 successively with the collector and the triode of the triode Q8
The collector of Q12 connects, the base stage of the triode Q12 successively with the base stage of the triode Q14 and the triode Q14
Collector connection, the emitter of the triode Q12 successively one end, described with one end of the resistance R1, the resistance R2
One end of resistance R4, one end of the resistance R5, one end of the resistance R6, one end of the resistance R7, the triode Q13
Emitter, the triode Q14 emitter and the power cathode GND connection, the other end of the resistance R1 successively with
The connection of the base stage of the collector of the triode Q2 and the triode Q9, the collector of the triode Q9 is successively with described three
The collector of pole pipe Q4, the base stage of the triode Q10, the base stage of the collector of the triode Q11 and the triode Q11
Connection, the emitter of the triode Q10 is successively connect with one end of the other end of the resistance R2 and the resistance R3, described
The other end of resistance R3 is successively connect with the collector of the base stage of the triode Q13 and the triode Q13, the triode
The emitter of Q11 is successively connect with the collector of the other end of the resistance R4 and the triode Q14, the triode Q10
Collector successively with the collector of the triode Q3, base stage of the triode Q3, the base stage of the triode Q4, described
The base stage of the base stage of triode Q5, the base stage of the triode Q6 and the triode Q7 connects, the current collection of the triode Q5
Pole is successively connect with the other end of the output end OUT1 and the resistance R5, the collector of the triode Q6 successively with it is described
The other end of output end OUT2 and the resistance R6 connection, the collector of the triode Q7 successively with the output end OUT3 and
The other end of the resistance R7 connects.
Further, the reference current source control and generation circuit structure include Wire-to-wire connector EP1, Line To Line company
Connect device EP2, DC current source DC1, DC current source DC2, resistance R1 ', resistance R2 ', resistance R3 ', resistance R4 ', resistance R5 ',
Resistance R6 ', resistance R7 ', resistance R8 ', resistance R9 ', triode Q1 ', triode Q2 ', triode Q3 ', triode Q4 ', three poles
Pipe Q5 ', triode Q6 ', triode Q7 ', triode Q8 ', triode Q9 ', triode Q10 ', triode Q11 ', triode
Q12 ', triode Q13 ', triode Q14 ', triode Q15 ', triode Q16 ', triode Q17 ', diode D1, diode
D2, input terminal IN1, input terminal IN2, input terminal IN3.
Further, the Wire-to-wire connector EP1 passes through one end of the DC current source DC1 and the resistance R4 '
Connection, the other end of the resistance R4 ' connect with the cathode of the diode D1, the diode D1 it is positive successively with it is described
The collector of triode Q1 ', the base stage of the triode Q3 ', the base stage of the triode Q4 ' and the triode Q7 ' hair
Emitter-base bandgap grading connection, the base stage of the triode Q1 ' are connect with the input terminal IN1, the input terminal IN1 and the output end OUT1
Connection, the collector of the triode Q1 ' connect with one end of the resistance R1 ', the emitter of the triode Q3 ' successively with
The connection of the emitter of the collector of the triode Q16 ' and the triode Q14 ', the emitter of the triode Q16 ' and institute
State resistance R7 ' one end connection, the base stage of the triode Q16 ' successively with the base stage of the triode Q17 ' and three pole
The base stage of pipe Q2 ' connects, and the emitter of the triode Q17 ' is successively another with the resistance R7 ' by the resistance R8 '
End and the connection of one end of the resistance R9 ', the other end of the resistance R9 ' is connect with the emitter of the triode Q2 ', described
The collector of triode Q2 ' is connect with the emitter of the emitter of the triode Q4 ' and the triode Q12 ', three pole
The base stage of pipe Q12 ' is connect with the input terminal IN3, and the input terminal IN3 is connect with the output end OUT3, the triode
The base stage of the collector of Q12 ' and the triode Q13 ', the base stage of the triode Q14 ', the base stage of the triode Q8 ' and
The collector of the triode Q6 ' connects, and the emitter of the triode Q6 ' is connect with the resistance R3 ', the triode
The base stage of Q6 ' is connect with the base stage of the triode Q5 ', and the emitter of the triode Q5 ' is connect with the resistance R2 ', institute
The collector for stating triode Q5 ' is connect with the emitter of the triode Q8 ', the collector of the triode Q17 ' successively with institute
State triode Q11 ' emitter and the triode Q13 ' emitter connection, the base stage of the triode Q11 ' and it is described according to
It is secondary with the emitter of the triode Q15 ', the collector and described two of the base stage of the triode Q10 ', the triode Q9 '
The anode connection of pole pipe D2, the collector of the triode Q9 ' connect with the input terminal IN2, the input terminal IN2 with it is described
Output end OUT2 connection, the emitter of the triode Q9 ' are connect with the resistance R5 ', and the cathode of the diode D2 passes through
Resistance R6 ' is connect with the DC current source DC2, and the DC current source DC2 is connect with the Wire-to-wire connector EP2.
Further, the diode D1 and diode D2 is zener diode.
Further, the specification of the triode Q5 and the triode Q6 and the triode Q7 are all the same.
Further, the resistance value of the resistance R5 and the resistance value of the resistance value of the resistance R6 and the resistance R7 are different.
The invention has the benefit that
(1), can only provide current of the same race for traditional reference current source cannot be adjusted not by change biasing
It is difficult to meet the problem of current portions circuit is to different size bias current requirement with current, propose a kind of with power consumption
The complementary bipolar reference current source of step-by-step adjustment ability adjusts two biased electricals by the way that two different bias voltages are arranged
The opening and closing of pressure achieve the effect that control reference current size.
(2), full bias current, 50% full bias current and 25% full biasing can be obtained by the way that different bias voltages is arranged
Electric current increases the flexibility of reference current source to adapt to the circuit to become increasingly complex.
(3), in the case where ensure that this reference current source precision, the flexibility of this structure is increased, can be provided
The reference current of 25% full deflection current, 50% full deflection current and 100% full deflection current these three sizes, also, the present invention remains unchanged
The superperformance for thering is traditional benchmark current source not to be affected by temperature, and structure and uncomplicated, it is easy to accomplish, it can meet some multiple
Requirement of the strays road for different size reference current source.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to an embodiment of the present invention
Reference voltage source generating circuit structure chart；
Fig. 2 is a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to an embodiment of the present invention
Reference current source control and generation circuit structure chart.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing a kind of complementary bipolar reference current with power consumption step-by-step adjustment ability
Source.
Now in conjunction with the drawings and specific embodiments, the present invention is further described, as shown in Figs. 1-2, implements according to the present invention
Example the complementary bipolar reference current source with power consumption step-by-step adjustment ability, including reference voltage source generating circuit structure and with
The reference current source control and generation circuit structure of the reference voltage source generating circuit structure connection.
In one embodiment, the reference voltage source generating circuit structure includes triode Q1, triode Q2, triode
Q3, triode Q4, triode Q5, triode Q6, triode Q7, triode Q8, triode Q9, triode Q10, triode Q11,
Triode Q12, triode Q13, triode Q14, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance
R7, positive pole VDD, power cathode GND, output end OUT1, output end OUT2 and output end OUT3.
In one embodiment, the positive pole VDD successively with the emitter of the triode Q1, the triode Q2
Emitter, the emitter of the triode Q3, the emitter of the triode Q4, the triode Q5 emitter, described
The emitter of the emitter of triode Q6, the emitter of the triode Q7 and the triode Q9 connects, the triode Q1
Collector connect with the emitter of the triode Q8, the base stage of the triode Q1 successively base stage with the triode Q2
And the emitter connection of the triode Q8, the base stage of the triode Q8 successively with the collector of the triode Q8 and described
The collector of triode Q12 connects, the base stage of the triode Q12 successively with the base stage of the triode Q14 and three pole
The collector of pipe Q14 connects, the emitter of the triode Q12 successively with one end of the resistance R1, the resistance R2 one
End, one end of the resistance R4, one end of the resistance R5, one end of the resistance R6, one end of the resistance R7, described three
The emitter of pole pipe Q13, the emitter of the triode Q14 and the power cathode GND connection, the other end of the resistance R1
Successively connect with the base stage of the collector of the triode Q2 and the triode Q9, the collector of the triode Q9 successively with
The collector of the triode Q4, the base stage of the triode Q10, the triode Q11 collector and the triode Q11
Base stage connection, the emitter of the triode Q10 successively with one end of the other end of the resistance R2 and the resistance R3 connect
It connects, the other end of the resistance R3 is successively connect with the collector of the base stage of the triode Q13 and the triode Q13, institute
The emitter for stating triode Q11 is successively connect with the collector of the other end of the resistance R4 and the triode Q14, and described three
The collector of pole pipe Q10 successively with the collector of the triode Q3, the base stage of the triode Q3, the triode Q4 base
Pole, the base stage of the triode Q5, the connection of the base stage of the base stage of the triode Q6 and the triode Q7, the triode Q5
Collector successively connect with the other end of the output end OUT1 and the resistance R5, the collector of the triode Q6 is successively
Connect with the other end of the output end OUT2 and the resistance R6, the collector of the triode Q7 successively with the output end
The connection of the other end of OUT3 and the resistance R7.
In one embodiment, the reference current source control and generation circuit structure include Wire-to-wire connector EP1, line
To wiring connector EP2, DC current source DC1, DC current source DC2, resistance R1 ', resistance R2 ', resistance R3 ', resistance R4 ', electricity
Hinder R5 ', resistance R6 ', resistance R7 ', resistance R8 ', resistance R9 ', triode Q1 ', triode Q2 ', triode Q3 ', triode
Q4 ', triode Q5 ', triode Q6 ', triode Q7 ', triode Q8 ', triode Q9 ', triode Q10 ', triode Q11 ',
Triode Q12 ', triode Q13 ', triode Q14 ', triode Q15 ', triode Q16 ', triode Q17 ', diode D1, two
Pole pipe D2, input terminal IN1, input terminal IN2, input terminal IN3.
In one embodiment, the Wire-to-wire connector EP1 passes through the DC current source DC1 and resistance R4 '
One end connection, the other end of the resistance R4 ' connect with the cathode of the diode D1, the diode D1 it is positive successively
With the collector of the triode Q1 ', the base stage of the triode Q3 ', the base stage of the triode Q4 ' and the triode
The emitter of Q7 ' connects, and the base stage of the triode Q1 ' is connect with the input terminal IN1, the input terminal IN1 with it is described defeated
Outlet OUT1 connection, the collector of the triode Q1 ' are connect with one end of the resistance R1 ', the transmitting of the triode Q3 '
Pole is successively connect with the emitter of the collector of the triode Q16 ' and the triode Q14 ', the hair of the triode Q16 '
Emitter-base bandgap grading is connect with one end of the resistance R7 ', the base stage of the triode Q16 ' successively with the base stage of the triode Q17 ' and
The base stage of the triode Q2 ' connects, the emitter of the triode Q17 ' by the resistance R8 ' successively with the resistance
The connection of one end of the other end of R7 ' and the resistance R9 ', the other end of the resistance R9 ' and the emitter of the triode Q2 '
The emitter of connection, the collector of the triode Q2 ' and the triode Q4 ' and the emitter of the triode Q12 ' connect
It connecing, the base stage of the triode Q12 ' is connect with the input terminal IN3, and the input terminal IN3 is connect with the output end OUT3,
The collector of the triode Q12 ' and the base stage of the triode Q13 ', the base stage of the triode Q14 ', the triode
The connection of the collector of the base stage of Q8 ' and the triode Q6 ', the emitter of the triode Q6 ' are connect with the resistance R3 ',
The base stage of the triode Q6 ' is connect with the base stage of the triode Q5 ', the emitter and the resistance of the triode Q5 '
R2 ' connection, the collector of the triode Q5 ' are connect with the emitter of the triode Q8 ', the current collection of the triode Q17 '
Pole is successively connect with the emitter of the emitter of the triode Q11 ' and the triode Q13 ', the base of the triode Q11 '
Pole and it is described successively with the emitter of the triode Q15 ', the base stage of the triode Q10 ', the triode Q9 ' current collection
The anode connection of pole and the diode D2, the collector of the triode Q9 ' are connect with the input terminal IN2, the input
End IN2 is connect with the output end OUT2, and the emitter of the triode Q9 ' is connect with the resistance R5 ', the diode D2
Cathode connect with the DC current source DC2 by resistance R6 ', the DC current source DC2 and the Wire-to-wire connector
EP2 connection.
In one embodiment, the diode D1 and diode D2 is zener diode.
In one embodiment, the specification of the triode Q5 and the triode Q6 and the triode Q7 are all the same.
In one embodiment, the resistance value of the resistance R5 and the resistance value of the resistance R6 and the resistance value of the resistance R7 are equal
It is different.
Working principle: this has the complementary bipolar reference current source of power consumption step-by-step adjustment ability in specific application, should
The reference voltage source of complementary bipolar reference current source with power consumption step-by-step adjustment ability generates structure such as Fig. 1 institute of three parts
Show.From figure 1 it appears that triode Q5, triode Q6, triode Q7 are three identical triodes, three are corresponded to not
With the resistance R5, resistance R6, resistance R7 of resistance value, a suitable voltage is generated by the structure of the left-half of circuit and is added in three
The base terminal of pole pipe Q5, triode Q6, triode Q7, in the base terminal and ground terminal of triode Q5, triode Q6, triode Q7
Identical pressure drop is formed, and the resistance value of the resistance R5 due to setting, resistance R6, resistance R7 are different, can send out in resistance and triode
Route between emitter-base bandgap grading has obtained the master that three different size of reference voltages are generated and controlled for subsequent reference current source
Body portion.
The value that we have proposed a kind of by adjusting two bias voltages thus is zero or standard pressure value is electric to control benchmark
The reference current source structure of size is flowed, the flexibility of Lai Zengqiang reference current source circuit removes to meet circuit to different numerical value electric currents
The demand in source.As shown in Fig. 2, the reference voltage source of Fig. 1, which generates three reference voltages that structure generates, is used for reference current source knot
The base voltage of part triode (Q1 ', Q9 ', Q12 ') in structure.Pass through two Schottky diodes and resistance in the left side of circuit
Carry out two bias voltages set in access infrastructure, electric current is controlled by the numerical value of bias voltage and flows into next stage benchmark electricity
Flow source structure numerical values recited, input current by right side structure in Q6 ' pipe to a required electric current, then pass through one
The collector that a wilson current mirror makes this reference current pass through Q8 ' pipe exports.It is available by the way that different circuit parameters is arranged
Obtain full biased reference electric current in different reference currents, such as this circuit when two bias voltages are standard value, one
Respectively obtain 25% and 50% full biased reference electric current when for standard value one being zero, two obtained when being zero be
Zero reference current.
In conclusion can only be provided for traditional reference current source of the same race by means of above-mentioned technical proposal of the invention
Current cannot be adjusted by change biasing different size electric current be difficult to meet current portions circuit it is inclined to different size
The problem of setting current requirements proposes a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability, passes through setting
Two different bias voltages, the opening and closing for adjusting two bias voltages achieve the effect that control reference current size.It is logical
It crosses and different bias voltages is set can obtain full bias current, 50% full bias current and 25% full bias current, increase benchmark
The flexibility of current source adapts to the circuit to become increasingly complex.In the case where ensure that this reference current source precision, increase
The flexibility of this structure can provide 25% full deflection current, 50% full deflection current and 100% full deflection current these three sizes
Reference current, also, the superperformance that the present invention still has traditional benchmark current source not to be affected by temperature, and structure is not multiple
It is miscellaneous, it is easy to accomplish, requirement of some complicated circuits for different size reference current source can be met.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability, which is characterized in that including reference voltage
Source generating circuit structure and the reference current source being connect with reference voltage source generating circuit structure control and generation circuit knot
Structure.
2. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 1, special
Sign is that the reference voltage source generating circuit structure includes triode Q1, triode Q2, triode Q3, triode Q4, three poles
Pipe Q5, triode Q6, triode Q7, triode Q8, triode Q9, triode Q10, triode Q11, triode Q12, triode
Q13, triode Q14, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, positive pole VDD, electricity
Source cathode GND, output end OUT1, output end OUT2 and output end OUT3.
3. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 2, special
Sign is, the positive pole VDD successively with the emitter of the triode Q1, the emitter of the triode Q2, described three
The emitter of pole pipe Q3, the emitter of the triode Q4, the triode Q5 emitter, the triode Q6 transmitting
The emitter of pole, the emitter of the triode Q7 and the triode Q9 connects, the collector of the triode Q1 with it is described
The emitter of triode Q8 connects, the base stage of the triode Q1 successively with the base stage of the triode Q2 and the triode Q8
Emitter connection, the base stage of the triode Q8 successively collection with the collector of the triode Q8 and the triode Q12
Electrode connection, the base stage of the triode Q12 successively collector with the base stage of the triode Q14 and the triode Q14
Connection, the emitter of the triode Q12 successively with one end of the resistance R1, one end of the resistance R2, the resistance R4
One end, one end of the resistance R5, one end of the resistance R6, the resistance R7 one end, the triode Q13 transmitting
Pole, the emitter of the triode Q14 and the power cathode GND connection, the other end of the resistance R1 is successively with described three
The base stage of the collector of pole pipe Q2 and the triode Q9 connection, the collector of the triode Q9 successively with the triode Q4
Collector, the base stage of the triode Q10, the connection of the base stage of the collector of the triode Q11 and the triode Q11,
The emitter of the triode Q10 is successively connect with one end of the other end of the resistance R2 and the resistance R3, the resistance
The other end of R3 is successively connect with the collector of the base stage of the triode Q13 and the triode Q13, the triode Q11
Emitter successively connect with the collector of the other end of the resistance R4 and the triode Q14, the collection of the triode Q10
Electrode successively with the collector of the triode Q3, the base stage of the triode Q3, the base stage of the triode Q4, three pole
The base stage of the base stage of pipe Q5, the base stage of the triode Q6 and the triode Q7 connects, the collector of the triode Q5 according to
The secondary other end with the output end OUT1 and the resistance R5 is connect, the collector of the triode Q6 successively with the output
Hold the other end connection of the OUT2 and resistance R6, the collector of the triode Q7 successively with the output end OUT3 and described
The other end of resistance R7 connects.
4. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 3, special
Sign is, the reference current source control and generation circuit structure include Wire-to-wire connector EP1, Wire-to-wire connector EP2, straight
Flow current source DC1, DC current source DC2, resistance R1 ', resistance R2 ', resistance R3 ', resistance R4 ', resistance R5 ', resistance R6 ', electricity
Hinder R7 ', resistance R8 ', resistance R9 ', triode Q1 ', triode Q2 ', triode Q3 ', triode Q4 ', triode Q5 ', three poles
Pipe Q6 ', triode Q7 ', triode Q8 ', triode Q9 ', triode Q10 ', triode Q11 ', triode Q12 ', triode
Q13 ', triode Q14 ', triode Q15 ', triode Q16 ', triode Q17 ', diode D1, diode D2, input terminal IN1,
Input terminal IN2, input terminal IN3.
5. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 4, special
Sign is that the Wire-to-wire connector EP1 is connect by the DC current source DC1 with one end of the resistance R4 ', the electricity
The other end of resistance R4 ' is connect with the cathode of the diode D1, and the anode of the diode D1 is successively with the triode Q1's '
The emitter connection of collector, the base stage of the triode Q3 ', the base stage of the triode Q4 ' and the triode Q7 ', institute
The base stage for stating triode Q1 ' is connect with the input terminal IN1, and the input terminal IN1 is connect with the output end OUT1, and described three
The collector of pole pipe Q1 ' is connect with one end of the resistance R1 ', the emitter of the triode Q3 ' successively with the triode
The connection of the emitter of the collector of Q16 ' and the triode Q14 ', the emitter and the resistance R7 ' of the triode Q16 '
One end connection, the base stage of the triode Q16 ' the successively base with the base stage of the triode Q17 ' and the triode Q2 '
Pole connection, the emitter of the triode Q17 ' by the resistance R8 ' successively with the other end and the electricity of the resistance R7 '
One end connection of R9 ' is hindered, the other end of the resistance R9 ' is connect with the emitter of the triode Q2 ', the triode Q2 '
Collector connect with the emitter of the emitter of the triode Q4 ' and the triode Q12 ', the triode Q12's '
Base stage is connect with the input terminal IN3, and the input terminal IN3 is connect with the output end OUT3, the collection of the triode Q12 '
Base stage, the base stage of the triode Q14 ', the base stage of the triode Q8 ' and three pole of electrode and the triode Q13 '
The collector of pipe Q6 ' connects, and the emitter of the triode Q6 ' is connect with the resistance R3 ', the base stage of the triode Q6 '
It is connect with the base stage of the triode Q5 ', the emitter of the triode Q5 ' is connect with the resistance R2 ', the triode
The collector of Q5 ' is connect with the emitter of the triode Q8 ', the collector of the triode Q17 ' successively with the triode
The emitter of the emitter of Q11 ' and the triode Q13 ' connection, the base stage of the triode Q11 ' with it is described successively with it is described
The emitter of triode Q15 ', the base stage of the triode Q10 ', the collector of the triode Q9 ' and the diode D2
Anode connection, the collector of the triode Q9 ' are connect with the input terminal IN2, the input terminal IN2 and the output end
OUT2 connection, the emitter of the triode Q9 ' are connect with the resistance R5 ', and the cathode of the diode D2 passes through resistance R6 '
It is connect with the DC current source DC2, the DC current source DC2 is connect with the Wire-to-wire connector EP2.
6. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 5, special
Sign is that the diode D1 and the diode D2 are zener diode.
7. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 6, special
Sign is that the specification of the triode Q5 and the triode Q6 and the triode Q7 are all the same.
8. a kind of complementary bipolar reference current source with power consumption step-by-step adjustment ability according to claim 7, special
Sign is that the resistance value of the resistance R5 and the resistance value of the resistance value of the resistance R6 and the resistance R7 are different.
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| CN201910383102.9A CN110134172B (en) | 2019-05-09 | 2019-05-09 | Complementary bipolar reference current source with power consumption stepping regulation capacity |
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| CN201910383102.9A CN110134172B (en) | 2019-05-09 | 2019-05-09 | Complementary bipolar reference current source with power consumption stepping regulation capacity |
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| CN110134172B CN110134172B (en) | 2020-06-30 |
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| WO1997050026A1 (en) * | 1996-06-25 | 1997-12-31 | Lsi Logic Corporation | Apparatus and method for generating a current with a positive temperature coefficient |
| US6859092B2 (en) * | 2003-04-17 | 2005-02-22 | International Business Machines Corporation | Method and low voltage CMOS circuit for generating voltage and current references |
| CN102385407A (en) * | 2011-09-21 | 2012-03-21 | 电子科技大学 | Bandgap reference voltage source |
| CN102681587A (en) * | 2012-05-23 | 2012-09-19 | 天津大学 | Low-temperature drifting reference voltage and reference current generating circuit |
| CN105094200A (en) * | 2015-08-14 | 2015-11-25 | 灿芯半导体(上海)有限公司 | Current source circuit |
| CN109009156A (en) * | 2018-06-27 | 2018-12-18 | 重庆湃芯入微科技有限公司 | A kind of amplifier bias current generation circuit |
-
2019
- 2019-05-09 CN CN201910383102.9A patent/CN110134172B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997050026A1 (en) * | 1996-06-25 | 1997-12-31 | Lsi Logic Corporation | Apparatus and method for generating a current with a positive temperature coefficient |
| US6859092B2 (en) * | 2003-04-17 | 2005-02-22 | International Business Machines Corporation | Method and low voltage CMOS circuit for generating voltage and current references |
| CN102385407A (en) * | 2011-09-21 | 2012-03-21 | 电子科技大学 | Bandgap reference voltage source |
| CN102681587A (en) * | 2012-05-23 | 2012-09-19 | 天津大学 | Low-temperature drifting reference voltage and reference current generating circuit |
| CN105094200A (en) * | 2015-08-14 | 2015-11-25 | 灿芯半导体(上海)有限公司 | Current source circuit |
| CN109009156A (en) * | 2018-06-27 | 2018-12-18 | 重庆湃芯入微科技有限公司 | A kind of amplifier bias current generation circuit |
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| CN110134172B (en) | 2020-06-30 |
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