CN105302218B - Instantaneous heavy current output circuit among low-power consumption circuit - Google Patents
Instantaneous heavy current output circuit among low-power consumption circuit Download PDFInfo
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- CN105302218B CN105302218B CN201510765827.6A CN201510765827A CN105302218B CN 105302218 B CN105302218 B CN 105302218B CN 201510765827 A CN201510765827 A CN 201510765827A CN 105302218 B CN105302218 B CN 105302218B
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- 238000004146 energy storage Methods 0.000 claims abstract description 77
- 230000036772 blood pressure Effects 0.000 claims description 94
- 230000000087 stabilizing effect Effects 0.000 claims description 44
- 230000005611 electricity Effects 0.000 claims description 20
- 230000001052 transient effect Effects 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Abstract
The invention discloses an instantaneous heavy current output circuit in a low power consumption circuit, which comprises: the device comprises a rectification output module, a voltage clamping energy storage module, a voltage reduction and stabilization output energy storage module and a threshold voltage output module; the input end of the rectification output module receives external alternating current, and the output end of the rectification output module is electrically connected with the input end of the voltage clamping energy storage module; the output end of the voltage clamping energy storage module is electrically connected with the input end of the voltage reduction and stabilization output energy storage module; the output end of the voltage reduction and stabilization output energy storage module is electrically connected with the input end of the threshold voltage output module. The instantaneous large current output circuit in the low-power-consumption circuit can meet the circuit working requirements of supplying large current and instantaneous high power consumption by the low-power-consumption circuit.
Description
Technical field
The present invention relates to transient high-current output electricity in low consumption circuit technical field, more particularly to a kind of low consumption circuit
Road.
Background technology
With the continuous development of electronic technology, low consumption circuit in circuit, is more and more adopted.This is due to low-power consumption
Circuit while reducing circuit energy consumption, economizing on resources can be reduced the heat that circuit is produced, holding circuit stable operation had
More important meaning.
But existing low consumption circuit there is also a certain degree of deficiency.First, low consumption circuit why operating circuit energy
Consume low (mostly milliampere rank), be that specific working environment is worked in due to which, it is impossible to high current is provided and is operated；In addition,
As the supply of energy is the non-standing energy, the needs that high current is provided cannot be also met.Therefore, based on both the above energy
In the state of supply is limited, low consumption circuit cannot meet the demand of instantaneous high power consumption.
Content of the invention
The present invention is completed to solve of the prior art above-mentioned not enough, it is an object of the invention to proposing a kind of
Transient high-current output circuit in low consumption circuit, the output circuit can be in specific work environments and the feelings of the non-continuous energy
Under condition, the demand that low consumption circuit realizes high power consumption is met.
It is that the present invention is employed the following technical solutions up to this purpose：
Transient high-current output circuit in a kind of low consumption circuit, including：
Rectification output module, voltage clamp energy-storage module, lowering and stabilizing blood pressure output energy-storage module and threshold voltage output module；
Wherein, the input of the rectification output module receives external communication electricity, for being unidirectional current by AC conversion,
The outfan of the rectification output module is electrically connected with the input of the voltage clamp energy-storage module；
The voltage clamp energy-storage module receives the unidirectional current, for being divided to unidirectional current according to threshold voltage,
DC power component of the output higher than the threshold voltage, DC power component of the storage less than threshold voltage, the voltage clamp storage
The input that the outfan of energy module exports energy-storage module with the lowering and stabilizing blood pressure is electrically connected；
The lowering and stabilizing blood pressure output energy-storage module receives the DC power component higher than the threshold voltage, for height
Carry out blood pressure lowering storage in the DC power component of the threshold voltage, the outfan of the lowering and stabilizing blood pressure output energy-storage module with described
The input electrical connection of threshold voltage output module；
The threshold voltage output module receives the unidirectional current after blood pressure lowering storage, for being stored to the blood pressure lowering according to threshold value
Unidirectional current afterwards is divided, unidirectional current of the output higher than the threshold value, and will be less than wink after the unidirectional current accumulation of the threshold value
When export.
Further, the rectification output module includes：Bridge circuit, the first electric capacity and the first inductance；
Wherein, the first end of the bridge circuit and the second end receive the external communication electricity, for handing over the outside
Stream electricity is converted into the unidirectional current；3rd end of the bridge circuit and the first end of first electric capacity, and described first
The first end electrical connection of inductance；4th end of the bridge circuit and the second end of the first electric capacity and it is electrically connected to ground.
Further, the bridge circuit is constituted by four diodes are end to end.
Further, the voltage clamp energy-storage module includes：Second electric capacity, voltage arrange chip, first resistor, second
Resistance, 3rd resistor, the 4th resistance and the 5th resistance；
Wherein, the voltage arrange the positive voltage input of chip respectively with the second end of first inductance and described the
The first end electrical connection of two electric capacity, for receiving the unidirectional current；
The voltage arranges second that the free end of chip, the voltage arrange the ground terminal and second electric capacity of chip
End be electrically connected to ground；
The reference voltage terminal of voltage setting chip first end and the second resistance respectively with the first resistor
First end electrical connection, for output reference voltage；
The voltage arranges the Enable Pin of chip respectively with the second end of the first resistor and the 3rd resistor the
One end electrically connects, and arranges chip minimum output voltage for arranging the voltage；
The voltage arranges the shut-off end of chip respectively with the second end of the second resistance and the 4th resistance the
One end electrically connects, and arranges chip maximum output voltage for arranging the voltage；
The voltage is arranged the negative voltage input of chip and is electrically connected with the first end of the 5th resistance；
The second end and the lowering and stabilizing blood pressure output respectively with the 5th resistance of the outfan of the voltage setting chip
The input electrical connection of energy-storage module；
Second end of the 3rd resistor is electrically connected with the second end of the 4th resistance.
Further, second electric capacity is electrochemical capacitor, and the first end of second electric capacity is positive terminal.
Further, the lowering and stabilizing blood pressure output energy-storage module includes：Blood pressure lowering chip, the 6th resistance, the 7th resistance and
Three electric capacity；
Wherein, the voltage input end of the blood pressure lowering chip the second end respectively with the 5th resistance, the 6th resistance
First end and the voltage arrange chip outfan electrical connection；
The Enable Pin of the blood pressure lowering chip the second end and the first end of the 7th resistance respectively with the 6th resistance
Electrical connection, for arranging the output voltage values of the blood pressure lowering chip；
The ground terminal of the blood pressure lowering chip is electrically connected with the second end of the 7th resistance, the first end of the 3rd electric capacity
Electrically connect with second end at the second end of the 3rd resistor and the 4th resistance respectively；
The feedback end of the blood pressure lowering chip is electrically connected with the threshold voltage output module, for receiving the threshold voltage
The feedback of output module；
The outfan of the blood pressure lowering chip is electrically connected with the second end of the 3rd electric capacity.
Further, the 3rd electric capacity is electrochemical capacitor, and the second end of the 3rd electric capacity is positive terminal.
Further, the threshold voltage output module includes：8th resistance, the 9th resistance and the first transistor；
Wherein, the first end of the 8th resistance outfan respectively with the blood pressure lowering chip, the of the 3rd electric capacity
The drain electrode electrical connection of two ends and the first transistor, for receiving the output voltage of blood pressure lowering chip；
Second end of the 8th resistance feedback end respectively with the blood pressure lowering chip, the grid of the first transistor and
The first end electrical connection of the 9th resistance；
Second end of the 9th resistance respectively with the first end of the 3rd electric capacity and be electrically connected to ground.
Further, the first transistor is enhancement mode NMOS tube.
Transient high-current output circuit in a kind of low consumption circuit of the present invention, by using voltage clamp energy storage mould
Block arranges threshold voltage, and storage exports energy storage higher than the energy of threshold voltage by lowering and stabilizing blood pressure less than the energy of threshold voltage
After module carries out blood pressure lowering energy storage, exported by threshold voltage output module.When threshold voltage output module constantly output and
When output current reduces lowering and stabilizing blood pressure output energy-storage module output voltage more greatly, lowering and stabilizing blood pressure output energy-storage module is using in which
Portion's energy storage can provide instantaneous supply to threshold voltage output module.Instantaneous in a kind of low consumption circuit provided in an embodiment of the present invention
High-current output circuit disclosure satisfy that low consumption circuit supply high current, the circuit operational requirements of instantaneous high power consumption.
Description of the drawings
In order to the technical scheme of exemplary embodiment of the present is clearly described, below to describing needed for embodiment
Accompanying drawing to be used does a simple introduction.Obviously, the accompanying drawing that is introduced is the present invention a part of embodiment to be described
Accompanying drawing, rather than whole accompanying drawings, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of transient high-current output circuit in a kind of low consumption circuit that the embodiment of the present invention one is provided
Figure.
Fig. 2 is the circuit diagram of transient high-current output circuit in a kind of low consumption circuit that the embodiment of the present invention two is provided.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below with reference to the embodiment of the present invention in attached
Figure, by specific embodiment, is fully described by technical scheme.Obviously, described embodiment is of the invention
A part of embodiment, rather than whole embodiments, based on embodiments of the invention, those of ordinary skill in the art are not doing
The every other embodiment obtained on the premise of going out creative work, each falls within protection scope of the present invention.
Embodiment one：
Fig. 1 gives the structural representation of transient high-current output circuit in a kind of low consumption circuit that the present embodiment one is provided
Figure.
As in a kind of low consumption circuit that Fig. 1, the present embodiment one are provided, transient high-current output circuit includes：
Rectification output module 100, voltage clamp energy-storage module 200, lowering and stabilizing blood pressure output energy-storage module 300 and threshold voltage
Output module 400；
Wherein, the input of rectification output module 100 receives external communication electricity, for being unidirectional current by AC conversion,
The outfan of institute rectification output module 100 is electrically connected with the input of voltage clamp energy-storage module 200.
General rectification output module 100 includes two parts of rectification and voltage stabilizing.Wherein, rectifying part is referred to alternating current
It is converted into unidirectional current.And voltage stabilization part is then referred to and filters out Alternating Component that may be present or clutter in unidirectional current, so that stream
The unidirectional current for going out does not contain other compositions.
Voltage clamp energy-storage module 200 receives unidirectional current, and for being divided to unidirectional current according to threshold voltage, output is high
In the DC power component of threshold voltage, DC power component of the storage less than threshold voltage, the voltage clamp energy-storage module defeated
The input for going out end with lowering and stabilizing blood pressure output energy-storage module is electrically connected.
Voltage clamp energy-storage module 200 is a comparator.Unidirectional current of the front end storage of comparator less than threshold voltage
Component, and be higher than the DC power component of threshold voltage part can by comparator be input to lowering and stabilizing blood pressure export energy-storage module
300.It should be noted that with regard to threshold voltage setting be according to lowering and stabilizing blood pressure export energy-storage module 300 input need into
Row sets.
Lowering and stabilizing blood pressure output energy-storage module 300 receives the DC power component higher than threshold voltage, for higher than threshold electricity
The DC power component of pressure carries out blood pressure lowering storage, and the outfan of the lowering and stabilizing blood pressure output energy-storage module 300 is exported with threshold voltage
The input electrical connection of module.
Lowering and stabilizing blood pressure output energy-storage module 300 is a low-dropout linear voltage-regulating circuit.The circuit has low-power consumption, low from
There is the function of noise and high PSRR.The unidirectional current higher than threshold voltage is received when lowering and stabilizing blood pressure exports energy-storage module 300
Component, and blood pressure lowering is carried out to which, and then reduce power consumption.Afterwards can to blood pressure lowering after DC power component store.And then drop
Pressure voltage stabilizing output energy-storage module 300 by storage after DC power component export to threshold voltage output module 400.
Threshold voltage output module 400 receives the unidirectional current after blood pressure lowering storage, for being stored to the blood pressure lowering according to threshold value
Unidirectional current afterwards is divided, and is exported the unidirectional current higher than threshold value and is instantaneously exported after will be less than the unidirectional current accumulation of threshold value.
Threshold voltage output module 400 is mainly by the use of its conduct internal transistors voltage as threshold voltage.After storage
Unidirectional current reach threshold value, the conduct internal transistors of threshold voltage output module 400, DC power component can pass through threshold voltage
Output module 400 is exported；When the energy that lowering and stabilizing blood pressure exports the storage of energy-storage module 300 will exhaust, lowering and stabilizing blood pressure can be caused
The DC power component voltage of the output output of energy-storage module 300 reduces.In the case of this, lowering and stabilizing blood pressure output energy-storage module 300 can be by
Remaining DC power component is stored and is instantaneously exported by threshold voltage output module 400.
The embodiment of the present invention one proposes transient high-current output circuit in a kind of low consumption circuit, is stored up using voltage clamp
Energy module storage is less than the DC power component of threshold voltage so as to realize the effectively utilizes of energy, exports energy storage using lowering and stabilizing blood pressure
Module carries out exporting by threshold voltage output module after blood pressure lowering storage to DC voltage electric component, and when blood pressure lowering is stored
When DC power component voltage afterwards reduces, lowering and stabilizing blood pressure output energy-storage module realizes the instantaneous output of energy, it is achieved thereby that low
The supply high current work of power consumption electric energy, overcomes shortcoming of the energy supply for the non-standing energy, meets instantaneous high power consumption electricity
The demand on road.
Embodiment two：
Fig. 2 gives the circuit of transient high-current output circuit in a kind of low consumption circuit that the embodiment of the present invention two is provided
Figure.
Transient high-current output circuit in a kind of low consumption circuit that the present embodiment two is provided.Wherein, rectification output module
100 include：Bridge circuit 101, the first electric capacity 102 and the first inductance 103；
Wherein, the first end of bridge circuit 101 and the second end receive external communication electricity, for being translated into unidirectional current,
3rd end of bridge circuit 101 is electrically connected with the first end of the first end of the first electric capacity 102 and the first inductance 103；Bridge-type electricity
4th end on road 101 and the second end of the first electric capacity 102 and it is electrically connected to ground.
Bridge circuit 101 is constituted by four diodes are end to end, its role is to the external communication electricity conversion for receiving
For unidirectional current.But may also include Alternating Component or clutter in the unidirectional current after converting, therefore may require that the first electric capacity 102
And first inductance 103 be filtered.Filtered unidirectional current then can be input to voltage clamp by the second end of the first inductance 103
In energy-storage module 200.
Voltage clamp energy-storage module 200 includes：Second electric capacity 201, voltage arranges chip 202, first resistor 203, second
Resistance 204,3rd resistor 205, the 4th resistance 206 and the 5th resistance 207.
Wherein, the positive voltage input of voltage setting chip 202 the second end and the second electric capacity respectively with the first inductance 103
201 first end electrical connection, for receiving unidirectional current.
Voltage arranges the positive voltage input of chip 202 and receives the unidirectional current after rectifying and wave-filtering, and sets in this, as voltage
Put the voltage source of chip 202.
Voltage arranges the free end of chip 202, and voltage arranges the second of the ground terminal and the second electric capacity 202 of chip 202
End be electrically connected to ground.
Voltage arrange chip 202 free end could be arranged to vacantly, it is also possible to together with ground terminal be electrically connected to ground.
Voltage arranges the reference voltage terminal of chip 202 respectively with the first end and second resistance 204 of first resistor 203 the
One end electrically connects, for output reference voltage.
Voltage arranges the reference voltage terminal of chip 202 and can export a reference voltage.The reference voltage value is as described before
Rectifying and wave-filtering after DC voltage half, as back-end circuit a reference.
The Enable Pin of voltage setting chip 202 the second end and the first end of 3rd resistor 205 respectively with first resistor 203
Electrical connection, arranges 202 minimum output voltage of chip for arranging voltage.
Chip 202 is in running order for arranging voltage for the Enable Pin, and high level is effective.
Voltage arranges shut-off end the second end and the first end of the 4th resistance 206 respectively with second resistance 204 of chip 202
Electrical connection, arranges 202 maximum output voltage of chip for arranging voltage.
Voltage is arranged the negative voltage input of chip 202 and is electrically connected with the first end of the 5th resistance 207, and voltage arranges chip
202 receive negative voltage input.
The outfan of voltage setting chip 202 the second end and lowering and stabilizing blood pressure output energy storage mould respectively with the 5th resistance 207
The input electrical connection of block 300.
Voltage arranges the outfan output unidirectional current of chip 202 by flowing into negative voltage input after the 5th resistance 207, from
And make which obtain a negative voltage.And outfan then will be above voltage clamp energy storage output module 200 and set the straight of threshold voltage
Flow component is exported to lowering and stabilizing blood pressure and exports energy-storage module 300.
With regard to the setting of threshold voltage, its course of work is as follows：
After unidirectional current after rectifying and voltage-stabilizing is loaded into the positive voltage input that voltage arranges chip 202, reference voltage terminal
The unidirectional current of its magnitude of voltage half can be exported, and ground wire is flowed into after passing sequentially through first resistor 203 and 3rd resistor 205.First
The magnitude of voltage of the partial pressure between resistance 203 and 3rd resistor 205 can flow into the chip Enable Pin that voltage arranges chip 202.If this
When partial pressure magnitude of voltage disclosure satisfy that chip enable needed for high level, then voltage arrange chip 202 turn on, after rectifying and voltage-stabilizing
Unidirectional current can flow into lowering and stabilizing blood pressure output energy-storage module 300 through outfan；If now the magnitude of voltage of partial pressure can not meet chip and make
High level needed for energy, then voltage arrange chip 202 be not turned on, the unidirectional current after rectifying and voltage-stabilizing is carried out by the second electric capacity 201
Energy storage.
It is noted that the second electric capacity 201 is electrochemical capacitor, the first end of the second electric capacity 201 is positive terminal.Why
It is because that electrochemical capacitor can store more energy using electrochemical capacitor.
Second end of 3rd resistor 205 is electrically connected with the second end of the 4th resistance 206.
In addition, the galvanic voltage after rectifying and voltage-stabilizing can not be unrestrictedly high, chip can be so damaged.Therefore, benchmark
Voltage end can export the unidirectional current of its magnitude of voltage half, and flow into ground after passing sequentially through second resistance 204 and the 4th resistance 206
Line.The magnitude of voltage of the partial pressure between second resistance 204 and the 4th resistance 206 can flow into the chip shut-off that voltage arranges chip 202
End.If now the magnitude of voltage of partial pressure meets the high level needed for chip shut-off, even if voltage arranges the work of 202 Enable Pin of chip,
Voltage arranges chip 202 also due to shut-off end effectively disconnects.
Further, lowering and stabilizing blood pressure output energy-storage module 300 includes：Blood pressure lowering chip 301, the 6th resistance 302, the 7th resistance
303 and the 3rd electric capacity 304；
Wherein, the voltage input end of blood pressure lowering chip 301 the second end respectively with the 5th resistance 207, the of the 6th resistance 302
One end and voltage arrange the outfan electrical connection of chip 202.
The unidirectional current of the output of input receiving voltage clamper energy-storage module 200 of blood pressure lowering chip 301, and as blood pressure lowering
The voltage source of chip.
The Enable Pin of blood pressure lowering chip 301 is electrically connected with the second end of the 6th resistance 302 and the first end of the 7th resistance 303 respectively
Connect, for arranging the output voltage values of blood pressure lowering chip 301.
The output voltage values of blood pressure lowering chip 301 are related to the partial pressure of the 6th resistance 302 and the 7th resistance 303.6th resistance
302 and the 7th the partial pressure of resistance 303 access the Enable Pin of blood pressure lowering chip 301.
The ground terminal of blood pressure lowering chip 301 is electrically connected with the second end of the 7th resistance 303, the first end point of the 3rd electric capacity 304
Do not electrically connect with the second end of 3rd resistor 205 and the second end of the 4th resistance 206.
The feedback end of blood pressure lowering chip 301 is electrically connected with threshold voltage output module 400, for receiving threshold voltage output mould
The feedback of block 400.
Wherein, 301 feedback end of blood pressure lowering chip receives the DC voltage of 400 feedback of threshold voltage output module, for true
Protect the stability of the lowering and stabilizing blood pressure output output of energy-storage module 300.
The outfan of blood pressure lowering chip 301 is electrically connected with the second end of the 3rd electric capacity 304.
Further, the 3rd electric capacity 304 is electrochemical capacitor, and the second end of the 3rd electric capacity 304 is positive terminal.
The operation principle of lowering and stabilizing blood pressure output energy-storage module 300 is as follows：The voltage of lowering and stabilizing blood pressure output energy-storage module 300 is defeated
Enter the unidirectional current exported after end receives 200 energy storage of voltage clamp energy-storage module, afterwards by the 6th resistance 302 and the 7th resistance 303
Carry out partial pressure, and the first end electricity at second end and seventh resistance 303 of the Enable Pin of blood pressure lowering chip 301 with the 6th resistance 302
Connection, receives the unidirectional current after partial pressure, to arrange the output voltage values of blood pressure lowering chip 301, so as to realize the purpose of blood pressure lowering.Blood pressure lowering
Unidirectional current afterwards can be stored by the 3rd electric capacity 304, why be can be stored due to electrochemical capacitor using electrochemical capacitor
More energy.Afterwards, the 3rd electric capacity 304 by store direct current electricity output to threshold voltage output module 400.
It should be noted that in order that lowering and stabilizing blood pressure output energy-storage module 300 can reduce power consumption, therefore the 6th resistance
302 and 303 resistance sum of the 7th resistance be greater than 5M Ω.
Additionally, threshold voltage output module 400 includes：8th resistance 401, the 9th resistance 402 and the first transistor 403；
Wherein, the first end of the 8th resistance 401 outfan respectively with blood pressure lowering chip 301, the second end of the 3rd electric capacity 304
Drain electrode with the first transistor 403 is electrically connected, for receiving the unidirectional current exported after 304 energy storage of the 3rd electric capacity.
Second end of the 8th resistance 401 feedback end respectively with blood pressure lowering chip 301, the grid of the first transistor 403 and
The first end electrical connection of nine resistance 402；
Second end of the 9th resistance 402 respectively with the first end of the 3rd electric capacity 304 and be electrically connected to ground.
And then the operation principle of threshold voltage output module is as follows：The direct current of the lowering and stabilizing blood pressure output output of energy-storage module 300
Electricity exports the drain electrode of first end to the 8th resistance 401 and the first transistor 403 after the 3rd electric capacity 304 carries out energy storage.
On the one hand, the unidirectional current of output passes sequentially through the 8th resistance 401 and the 9th resistance 402 forms inflow ground after partial pressure
Line.Unidirectional current flows into the grid of the first transistor 403 after partial pressure, and with this switching voltage with the first transistor 403 is
The threshold voltage that threshold voltage output module 400 sets is compared.If the galvanic voltage after partial pressure is higher than threshold voltage,
Then the first transistor 403 is turned on, and is otherwise ended.
On the other hand, when the first transistor 403 is turned on, the unidirectional current of output can pass through the first transistor 403 drain electrode,
Exported after source electrode.
It should be noted that as threshold voltage output module 400 is constantly exported, the 3rd electric capacity 304 can be dragged down defeated
Go out galvanic voltage.Also, the mode exported after first energy storage is used as lowering and stabilizing blood pressure exports energy-storage module 300, because
This, when threshold voltage output module 400 is constantly exported and output current is larger, lowering and stabilizing blood pressure exports energy-storage module 300
The energy of remaining storage can be instantaneously exported to threshold voltage output module 400, instantaneous to meet threshold voltage output module 400
The demand exported by high current.
The present invention proposes transient high-current output circuit in a kind of power digital circuit, by rectification output module by alternating current
Unidirectional current is converted to, energy is stored using voltage clamp energy-storage module, using lowering and stabilizing blood pressure output energy-storage module to energy
Amount is stored after carrying out blood pressure lowering, is exported using threshold voltage output module, exports the electricity in energy-storage module by lowering and stabilizing blood pressure
The energy of storage, when lowering and stabilizing blood pressure output energy-storage module output voltage reduces, instantaneously can be exported by solution electric capacity, and then
Transient high-current output circuit in low consumption circuit is made to disclosure satisfy that low consumption circuit supply high current, the circuit of instantaneous high power consumption
Job requirement.
Above are only presently preferred embodiments of the present invention and the know-why that is used.The invention is not restricted to spy described here
Determine embodiment, the various significant changes that can carry out for a person skilled in the art, readjust and substitute all without departing from
Protection scope of the present invention.Therefore, although the present invention is described in further detail by above example, but this
Bright be not limited only to above example, without departing from the inventive concept, other equivalence enforcements more can also be included
Example, and the scope of the present invention is determined by the scope of claim.
Claims (9)
1. transient high-current output circuit in a kind of low consumption circuit, it is characterised in that include：
Rectification output module, voltage clamp energy-storage module, lowering and stabilizing blood pressure output energy-storage module and threshold voltage output module；
Wherein, the input of the rectification output module receives external communication electricity, for being unidirectional current by AC conversion, described
The outfan of rectification output module is electrically connected with the input of the voltage clamp energy-storage module；
The voltage clamp energy-storage module receives the unidirectional current, for being divided to unidirectional current according to threshold voltage, output
Higher than the DC power component of the threshold voltage, DC power component of the storage less than threshold voltage, the voltage clamp energy storage mould
The input that the outfan of block exports energy-storage module with the lowering and stabilizing blood pressure is electrically connected；
The lowering and stabilizing blood pressure output energy-storage module receives the DC power component higher than the threshold voltage, for being higher than institute
The DC power component for stating threshold voltage carries out blood pressure lowering storage, the outfan of the lowering and stabilizing blood pressure output energy-storage module and the threshold value
The input electrical connection of voltage output module；
The threshold voltage output module receives the unidirectional current after blood pressure lowering storage, after according to threshold value to blood pressure lowering storage
Unidirectional current is divided, unidirectional current of the output higher than the threshold value, and be will be less than instantaneously defeated after the unidirectional current of the threshold value is accumulated
Go out.
2. output circuit according to claim 1, it is characterised in that the rectification output module includes：Bridge circuit,
One electric capacity and the first inductance；
Wherein, the first end of the bridge circuit and the second end receive the external communication electricity, for the external communication is electric
It is converted into the unidirectional current；3rd end of the bridge circuit and the first end of first electric capacity, and first inductance
First end electrical connection；4th end of the bridge circuit and the second end of the first electric capacity and it is electrically connected to ground.
3. output circuit according to claim 2, it is characterised in that the bridge circuit is end to end by four diodes
Composition.
4. output circuit according to claim 2, it is characterised in that the voltage clamp energy-storage module includes：Second electricity
Hold, voltage arranges chip, first resistor, second resistance, 3rd resistor, the 4th resistance and the 5th resistance；
Wherein, the voltage arrange the positive voltage input of chip respectively with the second end of first inductance and second electricity
The first end electrical connection of appearance, for receiving the unidirectional current；
The second end that the voltage arranges ground terminal and second electric capacity that the free end of chip, the voltage arrange chip is equal
Be electrically connected to ground；
The voltage arranges the reference voltage terminal of chip respectively with the first end and the second resistance of the first resistor the
One end electrically connects, for output reference voltage；
The Enable Pin of the voltage setting chip the second end and the first end of the 3rd resistor respectively with the first resistor
Electrical connection, arranges chip minimum output voltage for arranging the voltage；
The voltage arrange the shut-off end of chip respectively with the second end of the second resistance and the first end of the 4th resistance
Electrical connection, arranges chip maximum output voltage for arranging the voltage；
The voltage is arranged the negative voltage input of chip and is electrically connected with the first end of the 5th resistance；
The second end and the lowering and stabilizing blood pressure output energy storage respectively with the 5th resistance of the outfan of the voltage setting chip
The input electrical connection of module；
Second end of the 3rd resistor is electrically connected with the second end of the 4th resistance.
5. output circuit according to claim 4, it is characterised in that second electric capacity is electrochemical capacitor, described second
The first end of electric capacity is positive terminal.
6. output circuit according to claim 4, it is characterised in that the lowering and stabilizing blood pressure output energy-storage module includes：Drop
Pressure chip, the 6th resistance, the 7th resistance and the 3rd electric capacity；
Wherein, the voltage input end of the blood pressure lowering chip the second end respectively with the 5th resistance, the of the 6th resistance
One end and the voltage arrange the outfan electrical connection of chip；
The Enable Pin of the blood pressure lowering chip is electrically connected with the second end of the 6th resistance and the first end of the 7th resistance respectively
Connect, for arranging the output voltage values of the blood pressure lowering chip；
The ground terminal of the blood pressure lowering chip is electrically connected with the second end of the 7th resistance, the first end difference of the 3rd electric capacity
Electrically connect with second end at the second end of the 3rd resistor and the 4th resistance；
The feedback end of the blood pressure lowering chip is electrically connected with the threshold voltage output module, for receiving the threshold voltage output
The feedback of module；
The outfan of the blood pressure lowering chip is electrically connected with the second end of the 3rd electric capacity.
7. output circuit according to claim 6, it is characterised in that the 3rd electric capacity is electrochemical capacitor, and the 3rd electricity
The second end for holding is positive terminal.
8. output circuit according to claim 6, it is characterised in that the threshold voltage output module includes：8th electricity
Resistance, the 9th resistance and the first transistor；
Wherein, the first end of the 8th resistance outfan respectively with the blood pressure lowering chip, the second end of the 3rd electric capacity
Drain electrode with the first transistor is electrically connected, for receiving the output voltage of blood pressure lowering chip；
Second end of the 8th resistance feedback end respectively with the blood pressure lowering chip, the grid of the first transistor and described
The first end electrical connection of the 9th resistance；
Second end of the 9th resistance respectively with the first end of the 3rd electric capacity and be electrically connected to ground.
9. output circuit according to claim 8, it is characterised in that the first transistor is enhancement mode NMOS tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765827.6A CN105302218B (en) | 2015-11-11 | 2015-11-11 | Instantaneous heavy current output circuit among low-power consumption circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510765827.6A CN105302218B (en) | 2015-11-11 | 2015-11-11 | Instantaneous heavy current output circuit among low-power consumption circuit |
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| CN105302218A CN105302218A (en) | 2016-02-03 |
| CN105302218B true CN105302218B (en) | 2017-03-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6169391B1 (en) * | 1999-07-12 | 2001-01-02 | Supertex, Inc. | Device for converting high voltage alternating current to low voltage direct current |
| JP2006018774A (en) * | 2004-07-05 | 2006-01-19 | Seiko Instruments Inc | Voltage regulator |
| JP5331508B2 (en) * | 2009-02-20 | 2013-10-30 | セイコーインスツル株式会社 | Voltage regulator |
| CN205193651U (en) * | 2015-11-11 | 2016-04-27 | 珠海格力电器股份有限公司 | Instantaneous heavy current output circuit among low-power consumption circuit |
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