CN208337433U - A kind of full wave bridge rectifier design circuit - Google Patents
A kind of full wave bridge rectifier design circuit Download PDFInfo
- Publication number
- CN208337433U CN208337433U CN201820803943.1U CN201820803943U CN208337433U CN 208337433 U CN208337433 U CN 208337433U CN 201820803943 U CN201820803943 U CN 201820803943U CN 208337433 U CN208337433 U CN 208337433U
- Authority
- CN
- China
- Prior art keywords
- semiconductor
- oxide
- metal
- commutation controller
- drain electrode
- 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 - Fee Related
Links
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses a kind of full wave bridge rectifiers to design circuit, including metal-oxide-semiconductor M1 to M4 and commutation controller L1 to L4, the driving pin of the commutation controller L1 to L4 is connected respectively the grid of the metal-oxide-semiconductor M1 to M4, the source electrode of the negative electrode pin connection metal-oxide-semiconductor M1 to M4 of the commutation controller L1 to L4, the negative electrode pin of the commutation controller L1 to L4 are correspondingly connected with the drain electrode of metal-oxide-semiconductor M1 to M4;First ac input end is connected to the drain electrode of the metal-oxide-semiconductor M4 and the source electrode of metal-oxide-semiconductor M1 simultaneously, second ac input end is connected to the drain electrode of the metal-oxide-semiconductor M3 and the source electrode of metal-oxide-semiconductor M2 simultaneously, first DC output end is connected to the source electrode of the metal-oxide-semiconductor M4 and the source electrode of metal-oxide-semiconductor M3 simultaneously, and the second DC output end is connected to the drain electrode of the metal-oxide-semiconductor M1 and the drain electrode of metal-oxide-semiconductor M24 simultaneously.The rectification circuit of the utility model reduces system cost, and reduce the space on printed circuit board without any heat management for high current application.
Description
Technical field
The utility model relates to rectifier technical fields, design circuit more particularly to a kind of full wave bridge rectifier.
Background technique
Four diodes in conventional bridge rectifier configurations are the most conventional methods rectified to AC voltage, one
Run in a bridge rectifier diode can be provided for full-bridge rectifier and motorcar alternator one it is simple, stroke
It calculates and the solution of zero quiescent current, although diode usually has most fast response speed to negative voltage, they can be by
In the reason of positive and negative knot forward voltage pressure drop (Vf~0.7V) and lead to higher power loss.These power losses can cause to send out
Heat needs designer to execute radiating management, to increase system cost and solution size, another of diode is lacked
Point is exactly that higher reverse leakage current-highest can reach about 1mA.
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of full wave bridge rectifier design
Circuit, to solve the problems, such as above-mentioned background technique.
The utility model is solved by following technical proposals:
A kind of full wave bridge rectifier design circuit, including metal-oxide-semiconductor M1, metal-oxide-semiconductor M2, metal-oxide-semiconductor M3, MOS pipe M4 and rectification
Controller L1, commutation controller L2, commutation controller L3, commutation controller L4, the commutation controller L1 to L4 include driving
Pin, negative electrode pin, negative electrode pin, the driving pin of the commutation controller L1 to L4 are connected respectively the metal-oxide-semiconductor M1
To the grid of M4, the source electrode of the negative electrode pin connection metal-oxide-semiconductor M1 to M4 of the commutation controller L1 to L4, the rectification control
The drain electrode of the negative electrode pin connection metal-oxide-semiconductor M1 to M4 of device L1 to L4;
First connecting pin of ac input end is connected to the drain electrode of the metal-oxide-semiconductor M4 and the source electrode of metal-oxide-semiconductor M1 simultaneously, exchanges
The second connection end of input terminal is connected to the drain electrode of the metal-oxide-semiconductor M3 and the source electrode of metal-oxide-semiconductor M2 simultaneously, and the of DC output end
One connecting pin is connected to the source electrode of the metal-oxide-semiconductor M4 and the source electrode of metal-oxide-semiconductor M3 simultaneously, and the second connection end of DC output end is same
When be connected to the drain electrode of the metal-oxide-semiconductor M1 and the drain electrode of metal-oxide-semiconductor M24.
Preferably, the metal-oxide-semiconductor M1 to M4 is N-channel MOS pipe.
Preferably, parasitic diode is connected between the source electrode and drain electrode of the metal-oxide-semiconductor M1 to M4.
Preferably, one end of the first connecting pin connection capacitor C of the DC output end, the second of the DC output end
The other end of connecting pin connection capacitor C.
Preferably, the commutation controller is the intelligent diode rectification controller of model LM74670-Q1.
Preferably, the model of the N-channel MOS pipe is CSD18532KCS.
The utility model have the following advantages that compared with prior art and the utility model has the advantages that
1, the utility model is integrally disposed by metal-oxide-semiconductor and commutation controller, substitutes the diode in conventional rectifier circuit, greatly
Width improves rectification efficiency, and rectification efficiency improves 10 times big compared to conventional rectifier circuit.
2, the rectification circuit of the utility model reduces system cost without any heat management for high current application,
And reduce the space on printed circuit board.
3, the utility model supports the higher frequency for being up to 400Hz, and the AC voltage level of up to 45V, this make its at
For the suitable alternative device of motorcar alternator application.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the circuit diagram that a kind of full wave bridge rectifier designs circuit.
Fig. 2 and Fig. 3 is the rectification schematic illustration that a kind of full wave bridge rectifier designs circuit.
Fig. 4 is the power consumption comparison diagram that a kind of full wave bridge rectifier designs circuit and traditional circuit.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
The specific implementation process of the utility model is as follows:
As shown in Figure 1, a kind of full wave bridge rectifier designs circuit, including metal-oxide-semiconductor M1, metal-oxide-semiconductor M2, MOS pipe M3, MOS
Pipe M4 and commutation controller L1, commutation controller L2, commutation controller L3, commutation controller L4, the commutation controller L1 is extremely
L4 includes driving pin 1, negative electrode pin 2, negative electrode pin 3,1 company of respectively corresponding of driving pin of the commutation controller L1 to L4
The grid of the metal-oxide-semiconductor M1 to M4 is connect, the negative electrode pin 2 of the commutation controller L1 to L4 connects the source electrode of metal-oxide-semiconductor M1 to M4,
The negative electrode pin 3 of the commutation controller L1 to L4 is correspondingly connected with the drain electrode of metal-oxide-semiconductor M1 to M4;
The first connecting pin A1 of ac input end ACinput is connected to drain electrode and the metal-oxide-semiconductor M1 of the metal-oxide-semiconductor M4 simultaneously
Source electrode, the second connection end A2 of ac input end ACinput is simultaneously connected to drain electrode and the metal-oxide-semiconductor M2 of the metal-oxide-semiconductor M3
Source electrode, the first connecting pin D1 of DC output end DC Output are connected to the source electrode of the metal-oxide-semiconductor M4 with metal-oxide-semiconductor M3's simultaneously
Source electrode, the second connection end D2 of DC output end DC Output are connected to the drain electrode of the metal-oxide-semiconductor M1 with metal-oxide-semiconductor M24's simultaneously
Drain electrode.
The metal-oxide-semiconductor M1 to M4 is N-channel MOS pipe.
Parasitic diode, two poles between source electrode and drain electrode are connected between the source electrode and drain electrode of the metal-oxide-semiconductor M1 to M4
The effect of pipe is in the case where preventing VDD over-voltage, to burn out metal-oxide-semiconductor, because before over-voltage damages MOS pipe, diode
High current is directly arrived ground, so that metal-oxide-semiconductor be avoided to be burned by first reverse breakdown.
One end of the first DC output end connection capacitor C, the second DC output end connection capacitor C's is another
End.
The commutation controller is the intelligent diode rectification controller of model LM74670-Q1.
The model of the N-channel MOS pipe is CSD18532KCS.
The working principle of the utility model are as follows: please refer to Fig. 2 to Fig. 4, in the present embodiment, N-channel MOS pipe M1 to M4 is logical
Source conduction of the corresponding commutation controller L1 to L4 by electric current from metal-oxide-semiconductor M1 to M4 is crossed to drain electrode, and in AC sine wave
Negative cycle in quick closedown metal-oxide-semiconductor M1 to M4 grid.Metal-oxide-semiconductor in circuit and charge pump capacitor is integrally disposed, rectification
Controller L1 to L4 suspends topology and charge pump with one to realize the rectification purpose of the present embodiment circuit.Metal-oxide-semiconductor and rectification are controlled
The integrated each unit independent operating of device processed, and AC input waveform is responded respectively, commutation controller L1 to L4 sun
Pole pin and negative electrode pin persistently sense the voltage on metal-oxide-semiconductor M1 to M2, and corresponding come on or off according to polarity of voltage
The grid of metal-oxide-semiconductor M1 to M2.Within the positive period of AC waveform, metal-oxide-semiconductor M1 and M3 conducting, and the grid of MOS pipe M2 and M4 are right
Commutation controller L2 and the L4 shutdown answered, as shown in Fig. 2, when AC waveform becomes negative value, rectification control corresponding with M1 and M3
Device L1 and L3 processed responds negative voltage within the time of 2 μ s, and turns off the grid of corresponding metal-oxide-semiconductor M1 and M3, while MOS
Pipe M2 and M4 are switched on.Metal-oxide-semiconductor M1 to M4 in the present embodiment have gate source voltage (VGS) threshold values less than or equal to 3V with
And low grid capacitance, another important electric parameter are the voltage on metal-oxide-semiconductor M1 to M4 diode, this value must be low
It is 0.48V or so when exporting electric current.
Compare the rectification circuit and conventional low forward voltage drop diode (Vf=0.5V) rectification circuit of the present embodiment
Between hot property, two designs all operate under high current (10A), and do not have heat management and air mass flow condition.Diode
The temperature of single diode reaches about 71 DEG C in rectification circuit, and the metal-oxide-semiconductor in the present embodiment rectification circuit is equally being run
Under the conditions of temperature be about 31 DEG C, temperature is greatly reduced, and utilizes rectifier no setting is required radiating element, the energy of the utility model
Production cost is enough reduced, life of product is improved.The utility model is using 4 N-channel MOS pipe M1 to M2 instead of conventional rectifier electricity
The diode of Lu Zhonggao loss, it is whole to be greatly reduced can to eliminate the forward voltage drop of diode rectifier in conventional rectifier circuit
The power loss of current circuit.N-channel MOS pipe has small RDSON, and their relevant pressure drops are also the smallest, the table of Fig. 4
In be in traditional circuit using between 5A (Irms=3.5A) diode rectifier circuit and the rectification circuit of the present embodiment
Power consumption compares, it is evident that after the present embodiment is using metal-oxide-semiconductor and commutation controller, power consumption is greatly reduced.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (6)
1. a kind of full wave bridge rectifier designs circuit, it is characterised in that: including metal-oxide-semiconductor M1, metal-oxide-semiconductor M2, metal-oxide-semiconductor M3, metal-oxide-semiconductor
M4 and commutation controller L1, commutation controller L2, commutation controller L3, commutation controller L4, the commutation controller L1 to L4
Including driving pin, negative electrode pin, negative electrode pin, the driving pin of the commutation controller L1 to L4 is connected respectively described
The grid of metal-oxide-semiconductor M1 to M4, the source electrode of the negative electrode pin connection metal-oxide-semiconductor M1 to M4 of the commutation controller L1 to L4 are described whole
The negative electrode pin of stream controller L1 to L4 is correspondingly connected with the drain electrode of metal-oxide-semiconductor M1 to M4;
First connecting pin of ac input end is connected to the drain electrode of the metal-oxide-semiconductor M4 and the source electrode of metal-oxide-semiconductor M1, exchange input simultaneously
The second connection end at end is connected to the drain electrode of the metal-oxide-semiconductor M3 and the source electrode of metal-oxide-semiconductor M2, the first connection of DC output end simultaneously
It holds while being connected to the source electrode of the metal-oxide-semiconductor M4 and the source electrode of metal-oxide-semiconductor M3, the second connection end of DC output end is connected to simultaneously
The drain electrode of the metal-oxide-semiconductor M1 and the drain electrode of metal-oxide-semiconductor M2.
2. a kind of full wave bridge rectifier according to claim 1 designs circuit, it is characterised in that: the metal-oxide-semiconductor M1 is extremely
M4 is N-channel MOS pipe.
3. a kind of full wave bridge rectifier according to claim 1 designs circuit, it is characterised in that: the metal-oxide-semiconductor M1 is extremely
Parasitic diode is connected between the source electrode and drain electrode of M4.
4. a kind of full wave bridge rectifier according to claim 1 designs circuit, it is characterised in that: the DC output end
The first connecting pin connection capacitor C one end, the DC output end second connection end connection capacitor C the other end.
5. a kind of full wave bridge rectifier according to claim 1 designs circuit, it is characterised in that: the commutation controller
For the intelligent diode rectification controller of model LM74670-Q1.
6. a kind of full wave bridge rectifier according to claim 2 designs circuit, it is characterised in that: the N-channel MOS pipe
Model be CSD18532KCS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820803943.1U CN208337433U (en) | 2018-05-28 | 2018-05-28 | A kind of full wave bridge rectifier design circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820803943.1U CN208337433U (en) | 2018-05-28 | 2018-05-28 | A kind of full wave bridge rectifier design circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208337433U true CN208337433U (en) | 2019-01-04 |
Family
ID=64775435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820803943.1U Expired - Fee Related CN208337433U (en) | 2018-05-28 | 2018-05-28 | A kind of full wave bridge rectifier design circuit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208337433U (en) |
-
2018
- 2018-05-28 CN CN201820803943.1U patent/CN208337433U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103841725B (en) | To release control module, controllable silicon light modulation LED drive circuit and system | |
CN103841702A (en) | LED drive circuit and LED drive method | |
CN208656639U (en) | Control circuit and switch converters for switch converters | |
CN203761633U (en) | Energy-saving LED traffic light with long service life | |
CN102843049B (en) | Rectifier voltage regulator for motorcycles | |
CN101646280A (en) | LED high-voltage energy-saving power supply | |
CN103220868A (en) | High-power light emitting diode (LED) switching power supply | |
CN102291887A (en) | High-power light emitting diode (LED) driving circuit | |
CN208337433U (en) | A kind of full wave bridge rectifier design circuit | |
CN101394135B (en) | Control system and controller power source for electric appliance | |
CN203788514U (en) | Discharge control module, silicon controlled rectifier light dimming LED drive circuit and system | |
CN203734880U (en) | High voltage integration AC LED multistage linear drive device | |
CN103475074B (en) | Unloaded low-loss battery charger | |
CN102791063A (en) | Intelligent LED module with function of automatic voltage regulation | |
CN203481901U (en) | Zero-load low-loss battery charging circuit | |
CN201177299Y (en) | Electromagnetic oven power-on protective circuit and electromagnetic furnace | |
CN202713734U (en) | High power factor fully isolated constant current drive LED illuminating lamp | |
CN101188158A (en) | A power module for DC electromagnetic arrester | |
CN202310211U (en) | Series LED (light-emitting diode) constant current driving circuit of voltage-multiplying rectification high-voltage power supply | |
CN202679708U (en) | LED (light emitting diode) driving circuit | |
CN105376892A (en) | Intelligent LED lamp control system based on adjustable constant-current drive circuit | |
CN207664874U (en) | Appliances power source control device | |
CN207854227U (en) | Low-voltage LED linear drive circuit | |
CN105450053B (en) | Gasoline engine parallel connection rectifying and pressure-regulating control circuit | |
CN110311547A (en) | Pfc circuit and air conditioner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200528 |
|
CF01 | Termination of patent right due to non-payment of annual fee |