CN106072778B - Voltage-dropping type integrated circuit and electronic cigarette - Google Patents
Voltage-dropping type integrated circuit and electronic cigarette Download PDFInfo
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- CN106072778B CN106072778B CN201610662919.6A CN201610662919A CN106072778B CN 106072778 B CN106072778 B CN 106072778B CN 201610662919 A CN201610662919 A CN 201610662919A CN 106072778 B CN106072778 B CN 106072778B
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Abstract
The present invention discloses a kind of voltage-dropping type integrated circuit and electronic cigarette, wherein the voltage-dropping type integrated circuit includes power module, booster type charging module, controller module, drive module and feedback amplifier module, and an integrated chip is all integrated in upper module；Booster type charging module boosts to the voltage of external power input, charges the battery；Power module is powered controller module, drive module；Amplifier module acquires the sampled voltage of peripheral power circuit output end, and sampled voltage is fed back to controller module；Controller module controls the sampled voltage for opening or closing, and inputting according to amplifier module of booster type charging module and power module, drive module output pwm signal is controlled, to drive the on and off of external switch pipe.Technical solution of the present invention realizes a kind of voltage-dropping type integrated circuit applied to electronic cigarette, occupies little space, strong antijamming capability.
Description
Technical field
The present invention relates to electronic cigarette technical field, in particular to a kind of voltage-dropping type integrated circuit and electronic cigarette.
Background technique
Electronic cigarette is a kind of electronic product for imitating cigarette, the solution with tobacco flavor by heating atomization at smog
Shape is used for smoker.As people are to product portability requirements, in electronic cigarette, highly integrated application circuit is due to volume
The advantages such as small, at low cost, are increasingly approved by market.Voltage conversion circuit, power tube drive circuit and the output of electronic cigarette
Sample circuit is its important component part, and step-down circuit occupancy PCB space is larger in existing electronic cigarette, anti-interference ability
Difference is unfavorable for the lightweight design of electronics smoke product.
Summary of the invention
The main object of the present invention is to provide a kind of voltage-dropping type integrated circuit, it is desirable to provide a kind of integrated electricity of high integration
Road apply IC, designed by collection IC occupy little space, the step-down circuit of strong antijamming capability.
To achieve the above object, the invention proposes a kind of voltage-dropping type integrated circuits, including power module, booster type to charge
Module, controller module, drive module and amplifier module；First output end of the power module and the electricity of the drive module
Source connection, the second output terminal of the power module are connect with the power end of the controller module, the power module
Controlled end is connect with the power control terminal of the controller module；The output end of the booster type charging module and the power supply mould
The input terminal of block connects, and the controlled end of the booster type charging module is connect with the charge control end of the controller module；Institute
The controlled end for stating drive module is connect with the PWM control terminal of the controller module；The amplifier module output end and the control
The connection of device module feedback processed end；The power module, the booster type charging module, the controller module, the driving mould
Block and the amplifier module are all integrated in one piece of integrated chip；Wherein,
The booster type charging module boosts to the voltage of external power input, and charges the battery；
The amplifier module acquires the sampled voltage of peripheral power circuit output end, and sampled voltage is fed back to described
Controller module is converted into power circuit output electric current by the controller module, realizes that output power is adjustable；
The drive module, receives the control signal of the controller module, and output pwm signal drives external switch pipe
On and off；
The power module, voltage or battery input voltage to booster type charging module output carry out transformation, right
The controller module, the drive module are powered；
The controller module controls the open and close of the booster type charging module and the power module, and root
According to the sampled voltage that the amplifier module inputs, the drive module output pwm signal is controlled, to drive leading for external switch pipe
Logical or closing.
Preferably, the voltage-dropping type integrated circuit further includes peripheral charging module；The periphery charging module includes first
Capacitor, the first inductance and battery；First ground terminal of the voltage-dropping type integrated circuit is grounded, the electricity of the voltage-dropping type integrated circuit
Source connects to power supply, and the first end of the first capacitor is connect with the first ground terminal of the buck-boost type integrated circuit, institute
The second end for stating first capacitor is connect with the power end of the buck-boost type integrated circuit；The input of the voltage-dropping type integrated circuit
Inductance end is connect with the first end of first inductance, the electricity of the second end of first inductance and the voltage-dropping type integrated circuit
Source connection；The negative charging end of the voltage-dropping type integrated circuit is grounded, the negative charging end of the voltage-dropping type integrated circuit also with institute
State battery cathode connection；The anode is connect with the positive charging end of the voltage-dropping type integrated circuit.
Preferably, the voltage-dropping type integrated circuit further includes peripheral boost module；The periphery boost module includes second
Capacitor, third capacitor and the second inductance；The first end of the negative input end of the voltage-dropping type integrated circuit and second capacitor connects
It connects, the second end ground connection of second capacitor；The first of the positive input terminal of the voltage-dropping type integrated circuit and second inductance
End connection, the second end of second inductance are connect with anode；The first end of the third capacitor and second capacitor
Second end connection, the third capacitor second end connect with the second end of second inductance.
Preferably, the voltage-dropping type integrated circuit further includes peripheral buck module；The periphery buck module includes the 4th
Capacitor, the 5th capacitor, the 6th capacitor, first switch tube, second switch and third inductance；The anode and the described 4th
The first end of capacitor connects, the second end ground connection of the 4th capacitor；The input of the anode and the first switch tube
End connection, the controlled end of the first switch tube are connect with the first driving end of the voltage-dropping type integrated circuit, and described first opens
The output end for closing pipe is connect with the input terminal of the second switch；The controlled end of the second switch and the voltage-dropping type collection
At the second driving end connection of circuit, the output end ground connection of the second switch；The output end of the first switch tube and institute
State the switching tube feeder ear connection of voltage-dropping type integrated circuit, the output end of the first switch tube also with the 5th capacitor the
One end connection, the second end of the 5th capacitor are connect with the bootstrapping feeder ear of the voltage-dropping type integrated circuit；The voltage-dropping type
Second ground terminal of integrated circuit is grounded；The output end of the first switch tube is connect with the first end of the third inductance, institute
The second end for stating third inductance also passes through the 6th capacity earth.
Preferably, the voltage-dropping type integrated circuit further includes resistance, the first end of the resistance and the third inductance
Second end connection；First sampling end of the voltage-dropping type integrated circuit is connect with the first end of the resistance, the voltage-dropping type collection
It is connect at the second sampling end of circuit with the second end of the resistance.
Preferably, the power module includes DCDC boost module and LDO module；The controlled end of the DCDC boost module
It is connect with the power control terminal of the controller module, the first output end and the drive module of the DCDC boost module
Power end connection；The second output terminal of the DCDC boost module is connect with the input terminal of the LDO module, the LDO module
Output end connect with the power end of the controller module.
Preferably, the booster type charging module includes control unit, output protection unit, power supply output unit, feedback
Logic unit and logic control element；The input terminal of described control unit is connect with external power supply, the output of described control unit
End is connect with the input terminal of the output protection unit；First output end of the output protection unit and described for electricity output list
The input terminal connection of member, the second output terminal of the output protection unit are connect with the anode；It is described for electricity output list
The output end of member is connect with the input terminal of the LDO module；The feedback end of the output protection unit and the feedback logic list
The input terminal connection of member；The output end of the feedback logic unit is connect with the input terminal of the logic control element, described to patrol
The controlled end of the output end and described control unit of collecting control unit connects, the controlled end of the logic control element and the control
The charge control end of device module processed connects.
Preferably, the DCDC boost module includes feedback unit, driving logic unit, drive control unit, power supply list
First and enabled control unit；The input terminal of said supply unit is connect with the second capacitor first end；The feedback unit
Sampling end is also connect with the second capacitor first end, and the power end of the output end of said supply unit and the drive module connects
It connects；The output end of the feedback unit is connect with the input terminal of the driving logic unit；The output of the driving logic unit
End is connect with the controlled end of the drive control unit, and the drive control unit input terminal and the second inductance first end connect
It connects, the drive control unit output end ground connection；The controlled end of the enabled control unit and the power supply of the controller module
Control terminal connection, the output end of the enabled control unit are connect with the controlled end of the driving logic unit.
Preferably, the drive module includes driving logic unit and dead band control logic unit；The driving logic list
The power end of member and the power end of the dead band control logic unit are all connect with the output end of the DCDC boost module；It is described
The output end of dead band control logic unit is connect with the input terminal of the driving logic unit；It is described to drive the controlled of logic unit
End is connect with the PWM control terminal of the controller module.
The present invention also proposes that a kind of electronic cigarette, the electronic cigarette include power module, booster type charging module, controller mould
Block, drive module and amplifier module；First output end of the power module is connect with the power end of the drive module, described
The second output terminal of power module is connect with the power end of the controller module, the controlled end of the power module and the control
The power control terminal of device module processed connects；The output end of the booster type charging module and the input terminal of the power module connect
It connects, the controlled end of the booster type charging module is connect with the charge control end of the controller module；The drive module
Controlled end is connect with the PWM control terminal of the controller module；The amplifier module output end and the controller module are fed back
End connection；The power module, the booster type charging module, the controller module, the drive module and the amplifier
Module is all integrated in one piece of integrated chip；Wherein, the booster type charging module carries out the voltage of external power input
Boosting, and charge the battery；The amplifier module acquires the sampled voltage of peripheral power circuit output end, and will sampling
Voltage Feedback is converted into power circuit output electric current to the controller module, by the controller module, realizes output
Power adjustable；The drive module, receives the control signal of the controller module, and output pwm signal drives external switch pipe
On and off；The power module carries out transformation to the voltage of booster type charging module output, to the controller
Module, the drive module are powered；The controller module controls the booster type charging module and the power module
Open and close, and according to the amplifier module input sampled voltage, control the drive module output pwm signal, with
Drive the on and off of external switch pipe.
Technical solution of the present invention by using by power module, booster type charging module, controller module, drive module and
Amplifier module is all integrated in one piece of integrated chip, proposes a kind of voltage-dropping type integrated circuit；It is external by booster type charging module
Portion's power input is boosted；Power delivery to power module is subjected to transformation, is supplied for controller module and drive module
Electricity；By amplifier module, output voltage is acquired, and feeds back and arrives controller module；The booster type is controlled by controller module to fill
Electric module and power module open or close, and receive feedback signal, control the drive module output pwm signal, to drive
The on and off of dynamic external switch pipe；Technical solution of the present invention keeps the internal circuit occupied space of electronic cigarette smaller, meets
People are to product portability requirements.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of voltage-dropping type integrated circuit of the present invention；
Fig. 2 is the functional block diagram of booster type charging module of the invention；
Fig. 3 is the functional block diagram of DCDC boost module of the invention；
Fig. 4 is the functional block diagram of drive module of the invention.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
The present invention proposes a kind of voltage-dropping type integrated circuit.
With reference to Fig. 1, in the embodiment of the present invention, the voltage-dropping type integrated circuit includes booster type charging module 100, power supply mould
Block 200, controller module 300, drive module 400 and amplifier module 500；First output end of the power module 200 and institute
State the power end connection of drive module 400, the electricity of the second output terminal of the power module 200 and the controller module 300
Source connection, the controlled end of the power module 200 are connect with the power control terminal of the controller module 300；The boosting
The output end of type charging module 100 is connect with the input terminal of the power module 200, the booster type charging module 100 by
Control end is connect with the charge control end of the controller module 300；The controlled end of the drive module 400 and the controller mould
The PWM control terminal of block 300 connects；The output end of the amplifier module 500 is connect with the feedback end of the controller module 300；
The booster type charging module 100, the power module 200, the controller module 300, the drive module 400 and described
Amplifier module 500 is all integrated in one piece of integrated chip.
The booster type charging module 100 boosts to the voltage of external power input, and fills to battery
Electricity；The amplifier module 500 acquires the sampled voltage of peripheral power circuit output end, and sampled voltage is fed back to the control
Device module 300 processed is converted into power circuit output electric current by 300 module of controller, realizes that output power is adjustable；Institute
Drive module 400 is stated, the control signal of the controller module 300, output pwm signal are received, driving external switch pipe is led
Logical or closing；The power module 200 carries out transformation to the voltage of the booster type charging module 100 output, to the control
Device module 300, the drive module 400 are powered；The controller module 300 controls the booster type charging module 100
And the open and close of the power module 200, and the sampled voltage inputted according to the amplifier module 500, control the drive
400 output pwm signal of dynamic model block, to drive the on and off of external switch pipe.
It should be noted that amplifier module 500 obtains sampled voltage by external sample circuit, and to the voltage of sampling
It amplifies, is transmitted to controller module 300, the sampled voltage that controller module 300 judges that amplifier module 500 transmits is
It is no to exceed preset range, it such as goes beyond the scope, then the control of controller module 300 drive module 400 adjusts the pwm signal of its output
Duty ratio is adjusted output within the required range to control the work of external reduction voltage circuit, in the embodiment of the present invention, control
Device module processed also controls peripheral OLED screen curtain and shows and the control centre by key control, as entire circuit.
In the embodiment of the present invention, the booster type charging module 100 is electric using the booster type Charge Management that 5V is inputted
Road is suitable for 2 batteries Charge Managements.External power supply is charged the battery by the transformation of the voltage-dropping type integrated circuit, simultaneously
Voltage-dropping type integrated circuit also drives the metal-oxide-semiconductor of external depressurization circuit to control the decompression of the BUCK reduction voltage circuit to periphery, to mention
For the atomizer electrical component in power supply electron cigarette appropriate.
Technical solution of the present invention by using by booster type charging module 100, power module 200, controller module 300,
Drive module 400 and amplifier module 500 are all integrated in one piece of integrated chip, propose a kind of voltage-dropping type integrated circuit；By rising
100 pairs of die mould charging module external power inputs are boosted；Power delivery to power module 200 is subjected to transformation, for control
Device module 300 and drive module 400 are powered；By amplifier module 500, output voltage is acquired, and feeds back and arrives controller module
300；Opening or closing for the booster type charging module 100 and power module 200 is controlled by controller module 300, and is connect
By feedback signal, 400 output pwm signal of drive module is controlled, to drive the on and off of external switch pipe；The present invention
Technical solution keeps the internal circuit occupied space of electronic cigarette smaller, meets people to product portability requirements.
Specifically, the voltage-dropping type integrated circuit further includes peripheral charging module 600；The periphery charging module 600 wraps
Include first capacitor C1, the first inductance L1 and battery BAR；First ground terminal A of the voltage-dropping type integrated circuit is grounded, the decompression
The power end B of type integrated circuit is connect with power supply VCC+, the first end of the first capacitor C1 and the integrated electricity of the buck-boost type
The power end B of the first ground terminal A connection on road, the second end of the first capacitor C1 and the buck-boost type integrated circuit connects
It connects；The input inductance end C of the voltage-dropping type integrated circuit is connect with the first end of the first inductance L1, the first inductance L1
Second end connect with the power end B of the voltage-dropping type integrated circuit；The negative charging end E of the voltage-dropping type integrated circuit is grounded,
The negative charging end E of the voltage-dropping type integrated circuit is also connect with the battery BAR cathode；The anode BAR and the drop
The positive charging end F connection of die mould integrated circuit.
It should be noted that the first capacitor C1 is charging input capacitance, the first inductance L1 is input energy storage electricity
Sense is used as external input power storage.
Specifically, the voltage-dropping type integrated circuit further includes peripheral boost module 700；The periphery boost module 700 wraps
Include the second capacitor C2, third capacitor C3 and the second inductance L2；The negative input end H of the voltage-dropping type integrated circuit and second electricity
Hold the first end connection of C2, the second end ground connection of the second capacitor C2；The positive input terminal G of the voltage-dropping type integrated circuit and institute
The first end connection of the second inductance L2 is stated, the second end of the second inductance L2 is connect with battery BAR anode；The third capacitor
The first end of C3 is connect with the second end of the second capacitor C2, and the third capacitor C3 second end is with the second inductance L2's
Second end connection.
It should be noted that the second capacitor C2 is as input capacitance；Second inductance L2 is external circuit energy storage inductor；Third
Capacitor C3 be then used as output capacitance come using.
Specifically, the voltage-dropping type integrated circuit further includes peripheral buck module 800；The periphery buck module 800 is wrapped
Include the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor C6, first switch tube Q1, second switch Q2 and third inductance L3；It is described
Battery BAR anode is connect with the first end of the 4th capacitor C4, the second end ground connection of the 4th capacitor C4；The battery
BAR anode is connect with the input terminal of the first switch tube Q1, the controlled end of the first switch tube Q1 and the voltage-dropping type collection
End K connection, the input terminal company of the output end of the first switch tube Q1 and the second switch Q2 are driven at the first of circuit
It connects；The controlled end of the second switch Q2 is connect with the second driving end L of the voltage-dropping type integrated circuit, the second switch
The output end of pipe Q2 is grounded；The switching tube feeder ear J of the first switch tube Q1 output end and the voltage-dropping type integrated circuit connects
It connecing, the output end of the first switch tube Q1 is also connect with the first end of the 5th capacitor C5, and the of the 5th capacitor C5
Two ends are connect with the bootstrapping feeder ear I of the voltage-dropping type integrated circuit；Second ground terminal M of the voltage-dropping type integrated circuit connects
Ground；The output end of the first switch tube Q1 is connect with the first end of the third inductance L3, and the second of the third inductance L3
End is also grounded by the 6th capacitor C6.
It should be noted that the first switch tube Q1 and second switch Q2 are realized using metal-oxide-semiconductor, the 5th capacitor
C5 is bootstrap capacitor；4th capacitor C4 is input capacitance；First switch tube Q1, second switch Q2, the 6th capacitor C6 and third
Inductance L3 forms buck reduction voltage circuit together；First switch tube Q1 is upper arm metal-oxide-semiconductor, and second switch Q2 is lower arm metal-oxide-semiconductor, the
Three inductance L3 are energy storage inductor；6th capacitor C6 is output capacitance.
Further, when work, control the first switch tube Q1's and second switch Q2 by buck
Turn-on time controls the decompression of BUCK, and third inductance L3 gets up a part of power storage, the 6th capacitor C6 of cooperation is dropped
Pressure.
It specifically, further include resistance R, the first end of the resistance R is connect with the L3 second end of the third inductance；It is described
First sampling end N of voltage-dropping type integrated circuit is connect with the first end of the resistance R, and the second of the voltage-dropping type integrated circuit takes
Sample end O is connect with the second end of the resistance R.
It should be noted that two sampling ends of the amplifier module are by checking the pressure drop at the both ends resistance R come detector
Size of current, and the signal being sampled to is amplified, it is transferred to controller module 300.The second end of the resistance R is the decompression
The cathode output end of type integrated circuit, the output end of the second switch Q2 are that the cathode of the voltage-dropping type integrated circuit exports
End.
Specifically, the power module 200 includes DCDC boost module 210 and LDO module 220；The DCDC boosting mould
The controlled end of block 210 is connect with the power control terminal of the controller module 300, and the first of the DCDC boost module 210 is defeated
Outlet is connect with the power end of the drive module 400；The second output terminal of the DCDC boost module 210 and the LDO mould
The input terminal of block 220 connects, and the output end of the LDO module 220 is connect with the power end of the controller module 300.
It should be noted that LDO (low dropout regulator, low pressure difference linear voltage regulator) is relative to traditional
For linear voltage regulator, the difference between required input voltage and out-put supply is smaller.LDO module 220 is used for control
Device module 300 is powered；DCDC boost module 210 is used for the power supply of drive module 400.
In the embodiment of the present invention, the first end of the LDO output end D of the voltage-dropping type integrated circuit and the 7th capacitor connects
It connects, the 7th capacitor second end ground connection.
With reference to Fig. 2, specifically, the booster type charging module 100 include control unit 110, output protection unit 120,
Power supply output unit 130, feedback logic unit 140 and logic control element 150；The input terminal of described control unit 110 and outer
Power supply VCC+ connection is connect, the output end of described control unit 110 is connect with the input terminal of the output protection unit 120；It is described
First output end of output protection unit 120 is connect with the input terminal of the power supply output unit 130, the output protection unit
120 second output terminal is connect with the battery BAR anode；The output end of the power supply output unit 130 and the LDO module
220 input terminal connection；The feedback end of the output protection unit 120 is connect with the input terminal of the feedback logic unit 140；
The output end of the feedback logic unit 140 is connect with the input terminal of the logic control element 150, the logic control element
150 output end is connect with the controlled end of described control unit 110, the controlled end of the logic control element 150 and the control
The charge control end of device module 300 processed connects.
It should be noted that control unit 110 is arranged in pairs or groups, peripheral first capacitor C1 and the first inductance L1 forms booster circuit, right
Power supply boosts；Then pass through output protection unit 120, carry out overvoltage and overcurrent protection and export, while by anti-
Feedback logic unit 140 and logic control element 150 are sampled and are fed back, and carry out dynamic equilibrium adjustment to control unit 110；For
The effect of electricity output unit 130 is mainly powered processing to internal LDO module 220.
Further, when battery BAR is full of, logic control element 150 transmits a signal to controller module 300, by controlling
Device module 300 processed is stopped charging the battery by the control of controller module 300.
With reference to Fig. 3, specifically, 210 modules of the DCDC boosting include power supply unit 211, the enabled feedback of control unit 212
Unit 213, driving logic unit 214 and drive control unit 215；The input terminal of said supply unit 211 and second electricity
Hold the connection of C2 first end；The sampling end of the feedback unit 213 is also connect with the second capacitor C2 first end, and the power supply is single
The output end of member 211 is connect with the power end of the drive module 400；The output end of the feedback unit 213 and the driving
The input terminal of logic unit 214 connects；It is described driving logic unit 214 output end and the drive control unit 215 by
End connection is controlled, 215 input terminal of drive control unit is connect with the second inductance L2 first end, the drive control unit
215 output ends ground connection；The controlled end of the enabled control unit 212 is connect with the power control terminal of the controller module 300,
The output end of the enabled control unit 212 is connect with the controlled end of the driving logic unit 214.
It should be noted that enabled control unit 212 is used to control the open and close of entire DCDC boost module 210；
Feedback unit 213 compares conversion for being sampled to output voltage, by sampling value progress logic level；Drive logic unit
214 generate the PWM drive signal of fixed frequency, provide the value to come according to feedback unit 213 and are compared control PWM driving letter
Number duty ratio, realize pressure stabilizing closed-loop control.
With reference to Fig. 4, specifically, the drive module 400 includes driving logic unit 410 and dead band control logic unit
420；It is described driving logic unit 410 power end and the dead band control logic unit 420 power end all with the DCDC
The output end of boost module 210 connects；The output end of the dead band control logic unit 420 and the driving logic unit 410
Input terminal connection；The controlled end of the driving logic unit 410 is connect with the PWM control terminal of the controller module 300.
It should be noted that the drive module 400 is used to receive the pwm signal of controller module 300, the drive of PWM is exported
Dynamic signal, to drive the switching tube of BUCK circuit.
Technical solution of the present invention by using by booster type charging module 100, power module 200, controller module 300,
Drive module 400 and amplifier module 500 are all integrated in one piece of integrated chip, propose a kind of voltage-dropping type collection to occupy little space
At circuit；It is boosted by the booster type charging module 100 and its peripheral circuit to external power input；Power delivery is arrived
Power module 200 and its peripheral circuit carry out transformation to power supply, are powered for controller module 300, drive module 400；It is logical
It crosses 300 module of controller and controls the open and close of the booster type charging module 100 and power module 200, and receive feedback
Signal controls 400 output pwm signal of drive module, to drive the on and off of external switch pipe, finally by outside
BUCK reduction voltage circuit carries out power output.Technical solution of the present invention occupies little space, is at low cost, strong antijamming capability, meets
People are to product portability requirements.
The present invention also proposes a kind of electronic cigarette, which includes voltage-dropping type integrated circuit as described above, the voltage-dropping type
The specific structure of integrated circuit is referring to above-described embodiment, since this electronic cigarette uses whole technical sides of above-mentioned all embodiments
Case, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of voltage-dropping type integrated circuit, which is characterized in that including power module, booster type charging module, controller module, drive
Dynamic model block and amplifier module；First output end of the power module is connect with the power end of the drive module, the power supply
The second output terminal of module is connect with the power end of the controller module, the controlled end of the power module and the controller
The power control terminal of module connects；The output end of the booster type charging module is connect with the input terminal of the power module, institute
The controlled end for stating booster type charging module is connect with the charge control end of the controller module；The controlled end of the drive module
It is connect with the PWM control terminal of the controller module；The output end of the amplifier module and the feedback end of the controller module
Connection；The power module, the booster type charging module, the controller module, the drive module and the amplifier mould
Block is all integrated in an IC chip；Wherein,
The booster type charging module boosts to the voltage of external power input, and charges the battery；
The amplifier module acquires the sampled voltage of peripheral power circuit output end, and sampled voltage is fed back to the control
Device module is converted into power circuit output electric current by the controller module, realizes that output power is adjustable；
The drive module, receives the control signal of the controller module, output pwm signal, and driving external switch pipe is led
Logical or closing；
The power module carries out transformation to the voltage of booster type charging module output, to the controller module, described
Drive module is powered；
The controller module controls opening or closing for the booster type charging module and the power module, and according to institute
State amplifier module input sampled voltage, control the drive module output pwm signal, with drive external switch pipe conducting or
It closes.
2. voltage-dropping type integrated circuit as described in claim 1, which is characterized in that further include peripheral charging module；The periphery
Charging module includes first capacitor, the first inductance and battery；First ground terminal of the voltage-dropping type integrated circuit is grounded, the drop
The power end of die mould integrated circuit connects to power supply, and the first of the first end of the first capacitor and the voltage-dropping type integrated circuit
Ground terminal connection, the second end of the first capacitor are connect with the power end of the voltage-dropping type integrated circuit；The voltage-dropping type collection
It is connect at the input inductance end of circuit with the first end of first inductance, the second end of first inductance and the voltage-dropping type
The power end of integrated circuit connects；The negative charging end of the voltage-dropping type integrated circuit is grounded, and the voltage-dropping type integrated circuit is born
Charging end is also connect with the battery cathode；The anode is connect with the positive charging end of the voltage-dropping type integrated circuit.
3. voltage-dropping type integrated circuit as claimed in claim 2, which is characterized in that further include peripheral boost module；The periphery
Boost module includes the second capacitor, third capacitor and the second inductance；The negative input end of the voltage-dropping type integrated circuit and described the
The first end of two capacitors connects, the second end ground connection of second capacitor；The positive input terminal of the voltage-dropping type integrated circuit and institute
The first end connection of the second inductance is stated, the second end of second inductance is connect with the anode；The third capacitor
First end is connect with the second end of second capacitor, and the second end of the third capacitor second end and second inductance connects
It connects.
4. voltage-dropping type integrated circuit as claimed in claim 3, which is characterized in that further include peripheral buck module；The periphery
Buck module includes the 4th capacitor, the 5th capacitor, the 6th capacitor, first switch tube, second switch and third inductance；The electricity
Pond anode is connect with the first end of the 4th capacitor, the second end ground connection of the 4th capacitor；The first switch tube it is defeated
Enter end to connect with the anode, the first driving end of the controlled end of the first switch tube and the voltage-dropping type integrated circuit
Connection, the output end of the first switch tube are connect with the input terminal of the second switch；The second switch it is controlled
It holds and is connect with the second driving end of the voltage-dropping type integrated circuit, the output end ground connection of the second switch；Described first opens
Close pipe output end connect with the switching tube feeder ear of the voltage-dropping type integrated circuit, the output end of the first switch tube also with
The first end of 5th capacitor connects, the second end of the 5th capacitor and the bootstrapping feeder ear of the voltage-dropping type integrated circuit
Connection；Second ground terminal of the voltage-dropping type integrated circuit is grounded；The output end of the first switch tube is also electric with the third
The first end of sense connects, and the second end of the third inductance passes through the 6th capacity earth.
5. voltage-dropping type integrated circuit as claimed in claim 4, which is characterized in that it further include resistance, the first end of the resistance
It is connect with the second end of the third inductance；First sampling end of the voltage-dropping type integrated circuit and the first end of the resistance connect
It connects, the second sampling end of the voltage-dropping type integrated circuit is connect with the second end of the resistance.
6. voltage-dropping type integrated circuit as claimed in claim 5, which is characterized in that the power module includes DCDC boost module
And LDO module；The controlled end of the DCDC boost module is connect with the power control terminal of the controller module, the DCDC liter
First output end of die block is connect with the power end of the drive module；The second output terminal of the DCDC boost module and institute
The input terminal connection of LDO module is stated, the output end of the LDO module is connect with the power end of the controller module.
7. voltage-dropping type integrated circuit as claimed in claim 6, which is characterized in that the booster type charging module includes that control is single
Member, output protection unit, power supply output unit, feedback logic unit and logic control element；The input terminal of described control unit
It is connect with external power supply, the output end of described control unit is connect with the input terminal of the output protection unit；The output is protected
The first output end for protecting unit is connect with the input terminal of the power supply output unit, the second output terminal of the output protection unit
It is connect with the anode；The output end of the power supply output unit is connect with the input terminal of the LDO module；The output
The feedback end of protection location is connect with the input terminal of the feedback logic unit；The output end of the feedback logic unit with it is described
The input terminal of logic control element connects, and the output end of the logic control element and the controlled end of described control unit connect,
The controlled end of the logic control element is connect with the charge control end of the controller module.
8. voltage-dropping type integrated circuit as claimed in claim 7, which is characterized in that the DCDC boost module includes feedback
Member, the first driving logic unit, drive control unit, power supply unit and enabled control unit；The input terminal of said supply unit
It is connect with the second capacitor first end；The sampling end of the feedback unit is also connect with the second capacitor first end, described
The output end of power supply unit is connect with the power end of the drive module；The output end of the feedback unit and first driving
The input terminal of logic unit connects；The output end of the first driving logic unit and the controlled end of the drive control unit connect
It connects, the drive control unit input terminal is connect with the second inductance first end, the drive control unit output end ground connection；
The controlled end of the enabled control unit is connect with the power control terminal of the controller module, the enabled control unit it is defeated
Outlet is connect with the controlled end of the first driving logic unit.
9. voltage-dropping type integrated circuit as claimed in claim 8, which is characterized in that the drive module includes the second driving logic
Unit and dead band control logic unit；The power end of the second driving logic unit and the electricity of the dead band control logic unit
Source is all connect with the output end of the DCDC boost module；The output end of the dead band control logic unit and described second drives
The input terminal connection of dynamic logic unit；The controlled end of the second driving logic unit and the PWM of the controller module are controlled
End connection.
10. a kind of electronic cigarette, which is characterized in that the electronic cigarette includes voltage-dropping type as described in any one of claims 1-9
Integrated circuit.
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| CN201610662919.6A CN106072778B (en) | 2016-08-12 | 2016-08-12 | Voltage-dropping type integrated circuit and electronic cigarette |
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| CN201610662919.6A CN106072778B (en) | 2016-08-12 | 2016-08-12 | Voltage-dropping type integrated circuit and electronic cigarette |
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| CN106072778B true CN106072778B (en) | 2019-05-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404107B (en) * | 2017-08-15 | 2020-02-14 | 惠州市新泓威科技有限公司 | Dry burning prevention device of electronic cigarette and control method thereof |
| CN209060228U (en) * | 2018-04-17 | 2019-07-05 | 华健 | A kind of Portable atomizer of adjustable gear control atomization quantity |
| CN108563152A (en) * | 2018-06-04 | 2018-09-21 | 深圳市海派特光伏科技有限公司 | The control circuit and its control method of ASIC integrated circuits, electronic cigarette |
| JP6633788B1 (en) * | 2019-01-17 | 2020-01-22 | 日本たばこ産業株式会社 | Power supply unit for aerosol inhaler |
| CN110547516A (en) * | 2019-09-25 | 2019-12-10 | 深圳市康泓威科技有限公司 | Electronic cigarette with automatic closed-loop control output power supply chip |
| CN110547515B (en) * | 2019-09-25 | 2023-08-01 | 惠州市新泓威科技有限公司 | Electronic cigarette chip with automatic closed-loop control output voltage and working method thereof |
| CN113992044A (en) * | 2021-11-11 | 2022-01-28 | 深圳市壹华欣科技有限公司 | Digital-analog hybrid universal integrated circuit of inverter power supply and power supply circuit applying same |
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| CN202819631U (en) * | 2012-09-29 | 2013-03-27 | 吴昌明 | Electronic smoking device |
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| CN206294889U (en) * | 2016-08-12 | 2017-07-04 | 深圳市海派特光伏科技有限公司 | Voltage-dropping type integrated circuit and electronic cigarette |
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| JP5272200B2 (en) * | 2011-08-25 | 2013-08-28 | 和彦 清水 | Smokeless smoking jig |
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| CN202819631U (en) * | 2012-09-29 | 2013-03-27 | 吴昌明 | Electronic smoking device |
| CN203632329U (en) * | 2014-01-24 | 2014-06-04 | 惠州市吉瑞科技有限公司 | Electronic cigarette USB charger and electronic cigarette |
| CN104055224A (en) * | 2014-06-09 | 2014-09-24 | 矽力杰半导体技术(杭州)有限公司 | Integrated circuit for electronic cigarette and electronic cigarette |
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