CN109347342A - A kind of AC wide voltage input DC negative voltage output power supply voltage regulator chip - Google Patents
A kind of AC wide voltage input DC negative voltage output power supply voltage regulator chip Download PDFInfo
- Publication number
- CN109347342A CN109347342A CN201811400379.XA CN201811400379A CN109347342A CN 109347342 A CN109347342 A CN 109347342A CN 201811400379 A CN201811400379 A CN 201811400379A CN 109347342 A CN109347342 A CN 109347342A
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- CN
- China
- Prior art keywords
- sofe switch
- current
- chip
- power supply
- storage capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses one kind can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, utilize external halfwave rectifier diode, by the pulse current of AC rectification Cheng Tongxiang, in each same phase pulse wave, only implement powered operation in very short time and low-pressure area, and alternating current synchronous zero testing clamper is implemented and alternating current low frequency synchronisation oscillation of power supply at low pressure using chip interior, low frequency noncontinuity pulse in chip is recycled dynamically to carry out dynamic charging to external storage capacitor, to keep constant voltage and current power supply capacity, negative voltage output is changed into via pumping source again, this chip can also fully meet the demand of high-power silicon controlled rectifier negative voltage driving other than it can provide the power supply of home wiring control plate, it can be used as the dedicated decompression driving chip of household electrical appliances, with small in size, no EMI/EMC interference, no Fever, advantage at low cost.
Description
Technical field
The present invention relates to one kind can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip.
Background technique
In home wiring control plate field, TRIAC silicon-controlled is indispensable driving component, especially in high-power silicon controlled rectifier
To make silicon-controlled accurate driving under component, it is necessary to allow silicon-controlled work in II, III quadrant, just can ensure that with the smallest
Trigger current is obtained to silicon-controlled complete triggering.
It is often as follows by the way of when AC power source is changed into DC power supply by conventional circuit design:
A. transformer pressure-reducing mode:
Advantage: it is big to take out electric current at high cost, no EMI/EMC problem.
Disadvantage: weight weight, volume is big, low efficiency, and silicon steel sheet fever does not meet European Union's ERP standard.
B. switch mode power is depressured mode:
Advantage: small in volume, it is high-efficient, it is big to take out electric current.
Disadvantage: having EMI/EMC problem, and moderate cost, periphery component is more, and metal-oxide-semiconductor fever is big.
C. resistance-type is depressured mode:
Advantage: small in volume, no EMI/EMC problem are at low cost.
Disadvantage: low efficiency, taking-up electric current is small, and resistance is hot serious, does not meet European Union's ERP standard.
D. resistance-capacitance type is depressured mode:
Advantage: light-weight, no EMI/EMC problem, moderate cost.
Disadvantage: volume is big, low efficiency, and the capacitor service life is easy to aging and is affected by temperature, and does not meet European Union's ERP standard, current limliting
Resistance easily punctures burn.
And it is above-mentioned AC power source is changed into the mode of DC power supply, and be commonly used at present in a manner of resistance-capacitance type decompression
Mode, please refer to shown in the 1st figure, as with resistance-capacitance type be depressured as thyristor supply circuit diagram, the input terminal of the circuit
Include an AC power source, the AC power source and a resistance and a capacitor are formed in series and parallel, make AC power source by the capacitor and
Resistance and limit its maximum current, in addition reconnect the rectification circuit that constitutes of two diodes, alternating current be rectified into directly
Galvanic electricity stream, then by Zener diode and an electrolytic capacitor, the DC power supply of a pressure stabilizing is exported, it is silicon-controlled as most
The electric current of gate DC trigger signal, due to capacitor volume puzzlement that is big, therefore causing group to load onto, in addition capacitor is easy aging,
Therefore have the limitation of service life, then there is breakdown burn as resistance.
Summary of the invention
In view of the defect of the above-mentioned prior art, it is an object of the invention to: Width funtion input direct-current can be exchanged by providing one kind
Negative voltage output power supply voltage stabilizing chip in summary the shortcomings that various decompression modes, designs a small in size, taking-up electric current and fits
In, interfere without EMI/EMC, do not generate heat, chip at low cost is that primary design solves target, then changes into negative voltage via pumping source
Output, this chip is in addition to can also fully meet high-power silicon controlled rectifier negative voltage driving other than can provide the power supply of home wiring control plate
Demand, make the present invention can provide various small household electrical appliances it is all exchange turn direct current supply use.
The technical solution of the invention is as follows: one kind can exchange Width funtion input direct-current negative voltage output power supply pressure stabilizing core
Piece, at least provided with two halves alternating current wave source input pin, an operating voltage output connecting pin, two pumping source storage capacitor pins,
One DC voltage output connecting pin, a negative DC voltage output connecting pin, the chip include:
One in-line power circuit unit, is connected with half-wave ac power input end, and it includes have one first Sofe Switch, one
Constant-current source and a starting differentiate circuit, and when a chip is powering up, electric current is through first Sofe Switch and the constant-current source, to chip exterior
Storage capacitor charges, and when reaching starting differentiation circuit upper limit reference voltage, which closes and store up to outside
The charge path of energy capacitor, and the operating voltage of chip interior is provided；
The starting of one second Sofe Switch differentiates circuit unit, is connected with ac power input end, and it includes have exchange inspection
Clamp circuit and one second Sofe Switch are surveyed, when exchange detection clamp circuit detects operating on low voltage area current potential, that is, opening should
Second Sofe Switch continues to continue to charge with low frequency noncontinuity pulse to external storage capacitor；When the first storage capacitor fill it is full
The second Sofe Switch is closed when electric, while being opened third Sofe Switch and being converted the first storage capacitor electric energy to the second storage capacitor, this
When again by the second storage capacitor store positive voltage energy be stored on external third storage capacitor via pumping source circuit, simultaneously
The third storage capacitor electric energy having been stored on pumping source energy is carried out via external 4th storage capacitor again to convert just
Voltage is walked around into negative voltage and is exported.
Further, the half-wave alternating current which is inputted utilizes a diode, by all-wave
Alternating current change into the alternating current of half-wave.
Further, pumping source have the 4th Sofe Switch, the 5th Sofe Switch, the 6th Sofe Switch and the 7th Sofe Switch, first
Sofe Switch, the second Sofe Switch, third Sofe Switch, the 4th Sofe Switch, the 5th Sofe Switch, the 6th Sofe Switch, the 7th Sofe Switch are all
Metal oxide semiconductcor field effect transistor.
Further, which further includes an active leadage circuit unit, the active leadage circuit unit and AC power source
Input terminal is connected, and chip provides current source leakage path using active leadage circuit, to ensure that input energy can be in the charging phase
Between, it charges to external storage capacitor.
Further, second Sofe Switch starting differentiates that circuit unit is equipped with an overheating protection circuit at the second Sofe Switch
And one first under-voltage overvoltage crowbar.
Further, second Sofe Switch starting differentiates that circuit unit is then equipped with one second under-voltage mistake at third Sofe Switch
Voltage protection circuit and a current foldback circuit.
Width funtion input direct-current negative voltage output power supply voltage stabilizing chip can be exchanged using one kind provided by the present invention, is had
Beneficial effect is: due to without using inductance, and without EMI/EMC problem, therefore having high security, handling ease, saves cost, dimension
Repair it is easy, reduce the advantages that volume, and can work in superelevation Width funtion.
Detailed description of the invention
Fig. 1 is circuit diagram of the prior art using resistance-capacitance type decompression as thyristor supply；
Fig. 2 is integration module outside drawing of the invention；
Fig. 3 is that chip of the invention connects ghyristor circuit figure；
Fig. 4 is the circuit block diagram of chip interior of the invention；
Fig. 5 is Sofe Switch action step schematic diagram of the present invention；
Fig. 6 is the schematic diagram that the present invention shows its operating on low voltage area with voltage waveform；
Fig. 7 is silicon-controlled four-quadrant schematic diagram of the invention.
As shown in the figure: 100-chips, 1-half-wave AC power source input pin, 2-operating voltage output connecting pins, 3-pumps
Power supply storage capacitor pin, 4-direct voltage output pins, 5-negative DC voltage output connecting pins, 6-in-line power circuit lists
Member, the 7-the first Sofe Switch, 8-constant-current sources, 9-startings differentiate circuit, and the starting of the 10-the second Sofe Switch differentiates circuit unit,
11-exchange detection clamp circuits, the 12-the second Sofe Switch, the 13-the first storage capacitor, 14-third Sofe Switch, 15-the second
Storage capacitor, 16-pumping sources, 17-third storage capacitors, the 18-the four storage capacitor, 19-active leadage circuit units,
20-overheating protection circuits, the 21-the first under-voltage overvoltage crowbar, the 22-the second under-voltage overvoltage crowbar, 23-overcurrents are protected
Protection circuit, the 24-the four Sofe Switch, the 25-the five Sofe Switch, the 26-the six Sofe Switch, the 27-the Sofe Switch.
Specific embodiment
For it is relatively intuitive, be fully understood by technical solution of the present invention, now just combine attached drawing of the present invention to carry out non-limiting
Feature description it is as follows:
As shown in Fig. 2-Fig. 7, one kind can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, at least set
There is two halves alternating current wave source to input pin 1, an operating voltage output connecting pin 2, two pumping source storage capacitor pins 3, a direct currents
Voltage output pin 4, a negative DC voltage output connecting pin 5, the chip 100 include:
One in-line power circuit unit 6, is connected with half-wave ac power input end, it includes have one first Sofe Switch 7,
One constant-current source 8 and a starting differentiate circuit 9, and when chip 100 powers on, electric current is right through first Sofe Switch 7 and the constant-current source 8
Storage capacitor outside chip 100 charges, when reaching starting differentiation 9 upper limit reference voltage of circuit, first Sofe Switch 7
The charge path to external storage capacitor is closed, and the operating voltage inside chip 100 is provided；
The starting of one second Sofe Switch differentiates circuit unit 10, is connected with ac power input end, it includes have an exchange
Clamp circuit 11 and one second Sofe Switch 12 are detected, when exchange detection clamp circuit 11 detects operating on low voltage area current potential,
Second Sofe Switch 12 is opened, continues that external storage capacitor is continued to charge with low frequency noncontinuity pulse；When the first storage
The second Sofe Switch 12 can be closed when 13 full charging of capacitor, while open third Sofe Switch 14 and converting 13 electric energy of the first storage capacitor
To the second storage capacitor 15, the positive voltage energy that the second storage capacitor 15 stores is stored in via 16 circuit of pumping source again at this time
On external third storage capacitor 17, while again by 17 electric energy of third storage capacitor having been stored on pumping source 16 via external the
Four storage capacitors 18 carry out energy and convert positive voltage and walk around into negative voltage to export.
The half-wave alternating current that the half-wave ac power input end is inputted utilizes a diode, by the alternating current of all-wave
Change into the alternating current of half-wave.
Pumping source 16 have the 4th Sofe Switch 24, the 5th Sofe Switch 25, the 6th Sofe Switch 26 and the 7th Sofe Switch 27, first
Sofe Switch 7, the second Sofe Switch 12, third Sofe Switch 14, the 4th Sofe Switch 24, the 5th Sofe Switch 25, the 6th Sofe Switch the 26, the 7th
Sofe Switch 27 is all metal oxide semiconductcor field effect transistor.
The chip 100 further includes an active leadage circuit unit 19, and the active leadage circuit unit 19 is defeated with AC power source
Enter end to be connected, chip 100 provides current source leakage path using active leadage circuit, to ensure that input energy can be in the charging phase
Between, it charges to external storage capacitor.
Second Sofe Switch starting differentiate circuit unit 10 at the second Sofe Switch 12 be equipped with an overheating protection circuit 20 and
One first under-voltage overvoltage crowbar 21.
Second Sofe Switch starting differentiates that circuit unit 10 is then equipped with one second under-voltage over-voltage at third Sofe Switch 14 and protects
Protection circuit 22 and a current foldback circuit 23.
Certainly, the above is merely preferred embodiments of the present invention, therefore, it does not limit the scope of the patents of the invention, all fortune
With simply modification and the equivalent structure variation for it of description of the invention and schema content institute, should all similarly be contained in of the invention special
Within sharp protection scope.
Claims (6)
1. one kind can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, defeated at least provided with two halves alternating current wave source
It is negative to enter pin, an operating voltage output connecting pin, two pumping source storage capacitor pins, a DC voltage output connecting pin, a direct current
Voltage output pin, it is characterised in that: the chip includes:
One in-line power circuit unit, is connected with half-wave ac power input end, and it includes have one first Sofe Switch, a constant current
Source and a starting differentiate circuit, when a chip is powering up, energy storage of the electric current through first Sofe Switch and the constant-current source, to chip exterior
Capacitor charges, and when reaching starting differentiation circuit upper limit reference voltage, which is closed to external energy storage electricity
The charge path of appearance, and the operating voltage of chip interior is provided；
The starting of one second Sofe Switch differentiates circuit unit, is connected with ac power input end, and it includes have exchange detection pincers
Position circuit and one second Sofe Switch, when exchange detection clamp circuit detects operating on low voltage area current potential, that is, open this second
Sofe Switch continues to continue to charge with low frequency noncontinuity pulse to external storage capacitor；When the first storage capacitor full charging
The second Sofe Switch is closed, while opening third Sofe Switch and converting the first storage capacitor electric energy to the second storage capacitor, at this time again
The positive voltage energy that second storage capacitor stores is stored on external third storage capacitor via pumping source circuit, while again will
The third storage capacitor electric energy having been stored on pumping source carries out energy via external 4th storage capacitor and converts positive voltage
Negative voltage is walked around into export.
2. one kind according to claim 1 can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, special
Sign is: the half-wave alternating current that the half-wave ac power input end is inputted utilizes a diode, by the alternating current of all-wave
Change into the alternating current of half-wave.
3. one kind according to claim 2 can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, special
Sign is: pumping source has the 4th Sofe Switch, the 5th Sofe Switch, the 6th Sofe Switch and the 7th Sofe Switch, the first Sofe Switch, second
Sofe Switch, third Sofe Switch, the 4th Sofe Switch, the 5th Sofe Switch, the 6th Sofe Switch, the 7th Sofe Switch are all metal oxide half
Conductor field effect electric crystal.
4. one kind according to claim 1 can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, special
Sign is: the chip further includes an active leadage circuit unit, which is connected with ac power input end
It connects, chip provides current source leakage path using active leadage circuit, to ensure that input energy can store up outside during charging
Energy capacitor charges.
5. one kind according to claim 1 can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, special
Sign is: second Sofe Switch starting differentiates that circuit unit is owed at the second Sofe Switch equipped with an overheating protection circuit and one first
Press through voltage protection circuit.
6. one kind according to claim 1 can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip, special
Sign is: second Sofe Switch starting differentiates that circuit unit is then equipped with one second under-voltage overvoltage crowbar at third Sofe Switch
An and current foldback circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400379.XA CN109347342B (en) | 2018-11-22 | 2018-11-22 | A voltage stabilizing chip capable of AC wide voltage input and DC negative voltage output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400379.XA CN109347342B (en) | 2018-11-22 | 2018-11-22 | A voltage stabilizing chip capable of AC wide voltage input and DC negative voltage output |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109347342A true CN109347342A (en) | 2019-02-15 |
| CN109347342B CN109347342B (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811400379.XA Active CN109347342B (en) | 2018-11-22 | 2018-11-22 | A voltage stabilizing chip capable of AC wide voltage input and DC negative voltage output |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034695A (en) * | 2019-04-16 | 2019-07-19 | 浙江奥科半导体有限公司 | Exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip can be improved |
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| CN105024582A (en) * | 2015-07-27 | 2015-11-04 | 江苏大学 | Novel two-stage bidirectional energy storage converter control system and control method thereof |
| US20170163153A1 (en) * | 2015-12-08 | 2017-06-08 | Industrial Technology Research Institute | Soft-switching auxiliary circuit |
| CN108512421A (en) * | 2018-04-24 | 2018-09-07 | 上海推拓科技有限公司 | A kind of PFWM control methods |
| EP3393027A1 (en) * | 2017-04-18 | 2018-10-24 | EMD Technologies, Inc. | Soft-switching for high-frequency power conversion |
| CN209001857U (en) * | 2018-11-22 | 2019-06-18 | 浙江奥科半导体有限公司 | One kind can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip |
-
2018
- 2018-11-22 CN CN201811400379.XA patent/CN109347342B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684499A (en) * | 2011-03-08 | 2012-09-19 | 登丰微电子股份有限公司 | Full-bridge conversion circuit and full-bridge drive control circuit |
| CN203027163U (en) * | 2012-12-07 | 2013-06-26 | 浙江大学 | High-voltage pulse power supply |
| CN105024582A (en) * | 2015-07-27 | 2015-11-04 | 江苏大学 | Novel two-stage bidirectional energy storage converter control system and control method thereof |
| US20170163153A1 (en) * | 2015-12-08 | 2017-06-08 | Industrial Technology Research Institute | Soft-switching auxiliary circuit |
| EP3393027A1 (en) * | 2017-04-18 | 2018-10-24 | EMD Technologies, Inc. | Soft-switching for high-frequency power conversion |
| CN108512421A (en) * | 2018-04-24 | 2018-09-07 | 上海推拓科技有限公司 | A kind of PFWM control methods |
| CN209001857U (en) * | 2018-11-22 | 2019-06-18 | 浙江奥科半导体有限公司 | One kind can exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034695A (en) * | 2019-04-16 | 2019-07-19 | 浙江奥科半导体有限公司 | Exchange Width funtion input direct-current negative voltage output power supply voltage stabilizing chip can be improved |
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| Publication number | Publication date |
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| CN109347342B (en) | 2024-01-12 |
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Effective date of registration: 20250117 Address after: No. 762-774 Huancheng West Road, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province 315300 Patentee after: Ningbo Aoke Electronic Technology Co.,Ltd. Country or region after: China Address before: 315300 no.768, Huancheng West Road, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG AOKE SEMICONDUCTOR Co.,Ltd. Country or region before: China |