CN203313052U - Power factor correction drive circuit - Google Patents
Power factor correction drive circuit Download PDFInfo
- Publication number
- CN203313052U CN203313052U CN2013203758040U CN201320375804U CN203313052U CN 203313052 U CN203313052 U CN 203313052U CN 2013203758040 U CN2013203758040 U CN 2013203758040U CN 201320375804 U CN201320375804 U CN 201320375804U CN 203313052 U CN203313052 U CN 203313052U
- Authority
- CN
- China
- Prior art keywords
- module
- power
- output
- pfc
- diode
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Rectifiers (AREA)
Abstract
A power factor correction drive circuit comprises a switch power supply module, a PFC module, an electronic switch module and at least one power output module. The switch power supply module is for converting a DC input voltage into a DC output voltage which is output through the output terminal of the switch power supply module, wherein the DC input voltage is larger than the DC output voltage. The input terminal of the electronic switch module is connected with the output terminal of the switch power supply module. The output terminal of the electronic switch module is connected with each power output module. Each power output module is for connecting peripheral load circuits. The PFC module is for enabling the input terminal and the output terminal of the electronic switch module to be on and off alternatively through the drive output terminal of the PFC module outputting a high-level signal and low-level signal alternatively to the control terminal of the electronic switch module. The power factor correction drive circuit is capable of extending power 10 times larger, providing power to the plurality of peripheral load circuits at the same time, so that cost can be reduced favorably and circuit board-occupied area is reduced.
Description
Technical field
The utility model relates to a kind of power factor correction driver circuit.
Background technology
The English full name of PFC is " power factor correction ", and the meaning is " power factor correction ", and wherein power factor refers to the relation between effective power and total power consumption, and namely effective power is divided by the ratio of total power consumption.Because computer switching power supply is a kind of condenser input type circuit, the phase difference between its electric current and voltage can cause the loss of exchange power, now just needs pfc circuit to improve power factor.At present, in industry, directly use PFC chip correcting power factors, the power that its drive end of this type of chip is exported is less, for example the power output of the PFC chip of ICE2PCS01 model is only 300W, inapplicable driving high power load, during application, reality also can only drive a road low-power load, applies very limited.In addition, the Switching Power Supply type that this type of chip connects is very limited, inconvenient production and application.
The utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of power factor correction driver circuit, and it can expand the power of existing PFC chip.
For achieving the above object, the utility model adopts following technical scheme:
A kind of power factor correction driver circuit, it comprises switch power module, PFC module, electronic switch module and at least one power output module;
This switch power module is used for DC input voitage is converted to VD, and exports this VD by its output, and wherein this DC input voitage is greater than this VD;
The input of electronic switch module connects the output of this switch power module, and the output of this electronic switch module connects each power output module, and each power output module is for connecting peripheral load circuit;
This PFC module is for by its drive output, alternately exporting high level signal and the low level signal control end to electronic switch module, so that the input of electronic switch module and output alternate conduction and cut-off.
This switch power module comprises Switching Power Supply managing chip, the first diode, the second diode, voltage-stabiliser tube, the first electric capacity, the second electric capacity, the 3rd electric capacity and inductance; The drain electrode end of this Switching Power Supply managing chip connects this alternating voltage, and the feeder ear of this Switching Power Supply managing chip connects the negative electrode of the second diode, and the anode of the second diode is by the input of one first resistance connecting electronic switch module; The sampling voltage input of this Switching Power Supply managing chip connects the anode of voltage-stabiliser tube, also by the source terminal of the first electric capacity connecting valve power management chip; The negative electrode of this voltage-stabiliser tube connects the negative electrode of this second diode, also by the source terminal of the second electric capacity connecting valve power management chip; The source terminal of this Switching Power Supply managing chip, successively by inductance and the 3rd capacity earth, also connects the negative electrode of the first diode, the plus earth of this first diode.
This Switching Power Supply managing chip adopts the chip of VIPER22A model.
This electronic switch module comprises the first triode of NPN type and the second triode of positive-negative-positive, the collector electrode of this first triode is by the anode of the second diode of this first resistance connecting valve power management chip, this first triode and the base stage of this second triode all are connected the drive output of this PFC module, the emitter of this first triode connects the emitter of this second triode, the grounded collector of this second triode.
Each power output module comprises the 3rd diode, the second resistance and the 3rd resistance; The emitter of the first triode of the negative electrode connecting electronic switch module of the 3rd diode, the anode of the 3rd diode connects the output of this power output module by the second resistance, and the negative electrode of the 3rd diode also connects this output by the 3rd resistance.
This PFC module comprises PFC chip, the 4th resistance to the eight resistance, the 4th electric capacity to the seven electric capacity, the base stage of the first triode of the drive output connecting electronic switch module of this PFC chip, the earth terminal ground connection of this PFC module, the current compensation end of this PFC module is by the 4th capacity earth, the detecting voltage end of this PFC module connects peripheral circuit by the 8th resistance, also by the 7th capacity earth, also by the 7th grounding through resistance, the voltage compensation end of this PFC module is by the 5th resistance and the 6th capacity earth, also by the 5th capacity earth, the voltage input end of this PFC module is by the 6th grounding through resistance, the power end of this PFC module is by the anode of the second diode of the first resistance connecting valve power module.
This PFC chip is the chip of ICE2PCS01 model.
The beneficial effects of the utility model are as follows:
The drive output of above-mentioned utility model by the PFC module controlled conducting or the cut-off of electronic switch module, thereby by phased manner the VD of switch power module supplied with to peripheral load circuit by each power output module with the same frequency of the drive output institute output signal of PFC module.Relative prior art, the utility model can be expanded the power more than 10 times, can power simultaneously to a plurality of peripheral load circuits, is conducive to reduce costs, and reduces to take board area, thereby makes the integrated level of circuit board higher.In addition, the alternating voltage of inputting this switch power module can be between 60V to 450V, selecting, and range of choice is freer more greatly, and the VD that this switch power module is exported is more stable.
The accompanying drawing explanation
Fig. 1 is the circuit diagram of the preferred embodiments of the utility model power factor correction driver circuit.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Refer to Fig. 1, the utility model relates to a kind of power factor correction driver circuit, and its preferred embodiments comprises switch power module 10, PFC module 20, electronic switch module 30 and some power output modules 40.
This switch power module 10 is for DC input voitage VCC such as 300V are converted to VD such as 16V, and exports this VD by its output, and wherein this DC input voitage is greater than this VD.
The input of electronic switch module 30 connects the output of this switch power module 10, and the output of this electronic switch module 30 connects each power output module 40, and each power output module 40 is be used to connecting peripheral load circuit.
This PFC module 20 is for alternately exporting high level signal and the low level signal control end to electronic switch module 30, so that the input of electronic switch module 30 and output alternate conduction and cut-off by its drive output.
This switch power module 10 comprises Switching Power Supply managing chip U2, diode D1, diode D2, voltage-stabiliser tube W1, capacitor C 1, capacitor C 4, capacitor C 2 and inductance L 1.The drain electrode end D of this Switching Power Supply managing chip U2 connects this alternating voltage such as 300V, and the feeder ear VDD of this Switching Power Supply managing chip U2 connects the negative electrode of diode D2, and the anode of diode D2 is by the input of resistance R 6 connecting electronic switch modules 30.The sampling voltage input FB of this Switching Power Supply managing chip U2 connects the anode of voltage-stabiliser tube W1, also by the source terminal S of capacitor C 1 connecting valve power management chip U2.The negative electrode of this voltage-stabiliser tube W1 connects the negative electrode of this diode D2, also by the source terminal S of capacitor C 4 connecting valve power management chip U2.The source terminal S of this Switching Power Supply managing chip U2, successively by inductance L 1 and capacitor C 2 ground connection, also connects the negative electrode of diode D1, the plus earth of this diode D1.
The utility model also comprises capacitor C 7 and C3, and the collector electrode of triode Q1 is by capacitor C 7 ground connection, also by capacitor C 3 ground connection.
In the present embodiment, this Switching Power Supply managing chip U2 adopts the chip of VIPER22A model, below as the operation principle of example to this switch power module 10, describes:
When Switching Power Supply managing chip U2 is in conducting state, the source terminal S of Switching Power Supply managing chip U2 and the equal output dc voltage of feeder ear VDD, inductance L 1 and capacitor C 4 are carried out energy storage due to voltage cataclysm moment, the direct voltage that voltage-stabiliser tube W1 is exported by Switching Power Supply managing chip U2 punctures generation one regulated output voltage such as 15V, after inductance L 1 energy storage, its two ends form a burning voltage, now, the voltage of the output of this switch power module 10 is the superpose summation of burning voltage of this inductance L 1 of regulated output voltage that voltage-stabiliser tube W1 produces.
When Switching Power Supply managing chip U2 is in closed condition, the source terminal S of Switching Power Supply managing chip stops output dc voltage, this capacitor C 4 and inductance L 1 are discharged, now, the inductance L 1 of flowing through, the direction of the loop current of capacitor C 2 and diode D1 is clockwise direction, thereby a burning voltage is continued to form in the two ends that make inductance L 1, so, the voltage of the output of this switch power module 10 still remains the superpose summation of burning voltage of this inductance L 1 of regulated output voltage that voltage-stabiliser tube W1 produces, thereby make the sustainable galvanic current that provides of above-mentioned switch power module 10 press, not affected by the state of Switching Power Supply managing chip U2.
This electronic switch module 30 comprises the triode Q1 of NPN type and the triode Q2 of positive-negative-positive, the collector electrode of this triode Q1 is by the anode of the diode D2 of this resistance R 6 connecting valve power management chip U2, this triode Q1 and the base stage of this triode Q2 all are connected the drive output of this PFC module 20, the emitter of this triode Q1 connects the emitter of this triode Q2, the grounded collector of this triode Q2.
Each power output module 40 comprises diode D3, resistance R 10 and resistance R 9.The emitter of the triode Q1 of the negative electrode connecting electronic switch module 30 of diode D3, the anode of diode D3 connect the output OUT1 of this power output module 40 by resistance R 10, the negative electrode of this diode D3 also connects this output OUT1 by resistance R 9.
This PFC module 20 comprises PFC chip U1, resistance R 1 to R5, capacitor C 6, capacitor C 5, capacitor C 10 and capacitor C 9.The base stage of the triode Q1 of the drive output GATE connecting electronic switch module 30 of this PFC chip U1, the earth terminal GND ground connection of this PFC module 20, the current compensation end ICOMP of this PFC module 20 is by capacitor C 6 ground connection, the current sense input ISENS of this PFC module 20 connects peripheral circuit by resistance R 1, and (this is prior art, repeat no more), the detecting voltage end VSENS of this PFC module 20 connects peripheral circuit by resistance R 5, also by capacitor C 9 ground connection, also by resistance R 4 ground connection, the voltage compensation end VCOMP of this PFC module 20 is by resistance R 2 and capacitor C 10 ground connection, also by capacitor C 5 ground connection, the voltage input end VINS of this PFC module 20 is by resistance R 3 ground connection, the power end VCC of this PFC module 20 is by the anode of the diode D2 of resistance R 6 connecting valve power modules 10.
In the present embodiment, this PFC chip U1 adopts the chip of ICE2PCS01 model, below with this, goes on to say operation principle of the present utility model:
The drive output GATE of this PFC chip U1 alternately exports high level signal and low level signal.When the drive output GATE of this PFC chip U1 exports high level signal to this triode Q1 and Q2, this triode Q1 conducting, this triode Q2 cut-off, thereby the VD that the output that makes this switch power module 10 is exported can flow into each power output module 40 by this triode Q1, in order to power simultaneously to the peripheral load circuit of multichannel.
When the drive output GATE output low level signal of this PFC chip U1 during to this triode Q1 and Q2, this triode Q1 cut-off, this triode Q2 conducting, the input of each power output module 40 is by this triode Q2 ground connection.
The drive output of above-mentioned utility model by PFC module 20 controlled conducting or the cut-off of electronic switch module 30, thereby by phased manner the VD of switch power module 10 supplied with to peripheral load circuit by each power output module 40 with the same frequency of the drive output institute output signal of PFC module 20.Relative prior art, the utility model can be expanded the power more than 10 times, can power simultaneously to a plurality of peripheral load circuits, is conducive to reduce costs, and reduces to take board area, thereby makes the volume of circuit board less.In addition, the alternating voltage of inputting this switch power module 10 can be between 60V to 450V, selecting, and range of choice is freer more greatly, and the VD that this switch power module 10 is exported is more stable.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and the distortion all should belong to the protection range of the utility model claim within.
Claims (7)
1. power factor correction driver circuit, it is characterized in that: it comprises switch power module, PFC module, electronic switch module and at least one power output module;
This switch power module is used for DC input voitage is converted to VD, and exports this VD by its output, and wherein DC input voitage is greater than VD;
The input of electronic switch module connects the output of this switch power module, and the output of this electronic switch module connects each power output module, and each power output module is for connecting peripheral load circuit;
This PFC module is for by its drive output, alternately exporting high level signal and the low level signal control end to electronic switch module, so that the input of electronic switch module and output alternate conduction and cut-off.
2. power factor correction driver circuit as claimed in claim 1, it is characterized in that: this switch power module comprises Switching Power Supply managing chip, the first diode, the second diode, voltage-stabiliser tube, the first electric capacity, the second electric capacity, the 3rd electric capacity and inductance; The drain electrode end of this Switching Power Supply managing chip connects this alternating voltage, and the feeder ear of this Switching Power Supply managing chip connects the negative electrode of the second diode, and the anode of the second diode is by the input of one first resistance connecting electronic switch module; The sampling voltage input of this Switching Power Supply managing chip connects the anode of voltage-stabiliser tube, also by the source terminal of the first electric capacity connecting valve power management chip; The negative electrode of this voltage-stabiliser tube connects the negative electrode of this second diode, also by the source terminal of the second electric capacity connecting valve power management chip; The source terminal of this Switching Power Supply managing chip, successively by inductance and the 3rd capacity earth, also connects the negative electrode of the first diode, the plus earth of this first diode.
3. power factor correction driver circuit as claimed in claim 2, is characterized in that: the chip of this Switching Power Supply managing chip employing VIPER22A model.
4. power factor correction driver circuit as claimed in claim 2, it is characterized in that: this electronic switch module comprises the first triode of NPN type and the second triode of positive-negative-positive, the collector electrode of this first triode is by the anode of the second diode of this first resistance connecting valve power management chip, this first triode and the base stage of this second triode all are connected the drive output of this PFC module, the emitter of this first triode connects the emitter of this second triode, the grounded collector of this second triode.
5. power factor correction driver circuit as claimed in claim 4, it is characterized in that: each power output module comprises the 3rd diode, the second resistance and the 3rd resistance; The emitter of the first triode of the negative electrode connecting electronic switch module of the 3rd diode, the anode of the 3rd diode connects the output of this power output module by the second resistance, and the negative electrode of the 3rd diode also connects this output by the 3rd resistance.
6. power factor correction driver circuit as claimed in claim 5, it is characterized in that: this PFC module comprises PFC chip, the 4th resistance to the eight resistance, the 4th electric capacity to the seven electric capacity, the base stage of the first triode of the drive output connecting electronic switch module of this PFC chip, the earth terminal ground connection of this PFC module, the current compensation end of this PFC module is by the 4th capacity earth, the detecting voltage end of this PFC module connects peripheral circuit by the 8th resistance, also by the 7th capacity earth, also by the 7th grounding through resistance, the voltage compensation end of this PFC module is by the 5th resistance and the 6th capacity earth, also by the 5th capacity earth, the voltage input end of this PFC module is by the 6th grounding through resistance, the power end of this PFC module is by the anode of the second diode of the first resistance connecting valve power module.
7. power factor correction driver circuit as claimed in claim 6, it is characterized in that: this PFC chip is the chip of ICE2PCS01 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203758040U CN203313052U (en) | 2013-06-26 | 2013-06-26 | Power factor correction drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203758040U CN203313052U (en) | 2013-06-26 | 2013-06-26 | Power factor correction drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203313052U true CN203313052U (en) | 2013-11-27 |
Family
ID=49619224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203758040U Expired - Lifetime CN203313052U (en) | 2013-06-26 | 2013-06-26 | Power factor correction drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203313052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366465A (en) * | 2018-04-24 | 2018-08-03 | 华域视觉科技(上海)有限公司 | A kind of control circuit for light source and lighting device |
-
2013
- 2013-06-26 CN CN2013203758040U patent/CN203313052U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366465A (en) * | 2018-04-24 | 2018-08-03 | 华域视觉科技(上海)有限公司 | A kind of control circuit for light source and lighting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101572485B (en) | Intelligent driving control method and device for secondary synchronous rectifier | |
| CN103401428B (en) | Switch power supply control chip and switch power supply control system | |
| CN203104280U (en) | Interleaving PFC circuit and air conditioner | |
| CN203761633U (en) | Energy-saving LED traffic light with long service life | |
| CN203883673U (en) | Improved Z-source boost DC-DC converter | |
| CN202906843U (en) | One-cycle-control double-voltage-reduction type half-bridge and full-bridge switch power amplifier | |
| CN204103759U (en) | Be applicable to power supply circuits and the bridge circuit of upper switching tube driving in bridge circuit | |
| CN203326865U (en) | Synchronous rectifier tube drive unit | |
| CN206442297U (en) | Boost resonant type soft-switch converters | |
| CN207368879U (en) | A kind of quasi- boost switching DC/DC converters of the high-gain of low voltage stress | |
| CN203313052U (en) | Power factor correction drive circuit | |
| CN202150795U (en) | Simulation screen and voltage conversion circuit thereof | |
| CN105101572A (en) | LED (Light Emitting Diode) drive integrated circuit having high power factor | |
| CN201797625U (en) | LED driving power circuit | |
| CN203151827U (en) | Ultra-long-life large-current light emitting diode (LED) drive power circuit | |
| CN206595900U (en) | A kind of electric machine controller IGBT driving voltage mu balanced circuits | |
| CN203233312U (en) | Switch power supply controller and switch power supply device | |
| CN201893974U (en) | Voltage-limiting protection circuit in LED driver | |
| CN201392483Y (en) | Voltage reducing type voltage stabilizing circuit | |
| CN203261521U (en) | LED switch power supply circuit | |
| CN203883675U (en) | Buck circuit | |
| CN203289401U (en) | Level shift circuit of tablet personal computer | |
| CN209250497U (en) | Vehicle-carried auxiliary power power supply | |
| CN203827173U (en) | Single-tube Boost-Buck-Boost converter | |
| CN208623551U (en) | A kind of DC low-voltage DC-DC voltage up converting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |