CN109600048A - Crisscross parallel LLC circuit - Google Patents
Crisscross parallel LLC circuit Download PDFInfo
- Publication number
- CN109600048A CN109600048A CN201910052465.4A CN201910052465A CN109600048A CN 109600048 A CN109600048 A CN 109600048A CN 201910052465 A CN201910052465 A CN 201910052465A CN 109600048 A CN109600048 A CN 109600048A
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- Prior art keywords
- llc
- circuit
- control signal
- capacitor
- resonant converter
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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)
- Dc-Dc Converters (AREA)
Abstract
The invention proposes a kind of paralleling and interleaving LLC circuits.Wherein, paralleling and interleaving LLC circuit includes: the first balanced capacitor and the second balanced capacitor, and one end of the first balanced capacitor is connected with the anode of power supply, and the first balanced capacitor capacitor balanced with second is connected in series, and the other end of the second balanced capacitor is connected with the cathode of power supply；First LLC resonant converter and the second LLC resonant converter, the output end of first LLC resonant converter and the output end of the second LLC resonant converter are connected in parallel, the input terminal of first LLC resonant converter capacitor balanced with first is connected in parallel, and the input terminal of the second LLC resonant converter capacitor balanced with second is connected in parallel；Control circuit, control circuit are connected with two LLC resonant converters respectively, carry out crisscross parallel work for controlling two LLC resonant converters.Crisscross parallel LLC circuit is controlled the crisscross parallel, it can be achieved that two LLC resonant converters to two LLC resonant converters by control circuit.
Description
Technical field
The present invention relates to field of power supplies more particularly to a kind of crisscross parallel LLC circuits.
Background technique
With the development of communication power supply, LLC route can realize that the no-voltage of primary side switch pipe is opened in entire loading range
Logical (Zero Voltage Switching, abbreviation ZVS), realizes higher efficiency, is applied more and more widely.But
Compared with the routes such as traditional phase-shifting full-bridge, forward converter, LLC is not due to having output inductor, and output electric current is in sine
Wave, output current peak value will be the pi/2s times for exporting current average, the 20%- with traditional circuits such as full-bridge that transplant
40% peak-to-peak value is compared, and the output current peak value of LLC is too big, is faced under low-voltage, high-current application and is greatly chosen
War.
To solve the above problems, LLC interleaving technique comes into being.By LLC crisscross parallel, LLC exports electric current line
48% when the root-mean-square value of wave can be from single channel drops to 12% when crisscross parallel, so that the LLC of crisscross parallel exports electric current
Ripple is similar with traditional circuital current ripple with output inductor.So as to which the design difficulty of LLC can be greatly reduced,
Especially facilitate the selection of output filter capacitor.However, currently LLC crisscross parallel can only be realized by digital control, and
There is no ready-made control chip alternative.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, it is an object of the invention to propose a kind of crisscross parallel LLC circuit, it is humorous to two-way LLC by hardware circuit
Vibration converter is controlled, to realize the crisscross parallel of LLC.
In order to arrive above-mentioned purpose, the embodiment of the present invention proposes a kind of crisscross parallel LLC circuit.The circuit includes: first
Balanced capacitor and the second balanced capacitor, one end of the described first balanced capacitor are connected with the anode of power supply, the described first balanced electricity
One end of the other end of appearance capacitor balanced with described second is connected, described second other end of balanced capacitor and bearing for the power supply
Extremely it is connected；First LLC resonant converter and the second LLC resonant converter, the output end of first LLC resonant converter and institute
The output end for stating the second LLC resonant converter is connected in parallel, and the input terminal of first LLC resonant converter is equal with described first
Weighing apparatus capacitor is connected in parallel, and the input terminal of second LLC resonant converter capacitor balanced with described second is connected in parallel；Control electricity
Road, the control circuit control terminal phase with first LLC resonant converter and second LLC resonant converter respectively
Even, the control circuit is for controlling first LLC resonant converter and the second LLC resonant converter crisscross parallel work
Make.
The crisscross parallel LLC circuit that the embodiment of the present invention proposes, the first of series connection the balanced capacitor and second is balanced
Capacitance connection is between the two poles of the earth of power supply, and by the defeated of the output end of the first LLC resonant converter and the second LLC resonant converter
Outlet is connected in parallel, and the input terminal of the first LLC resonant converter capacitor balanced with first is connected in parallel, the 2nd LLC resonant transformation
The input terminal of device capacitor balanced with second is connected in parallel, and then is controlled by control circuit two LLC resonant converters, i.e.,
Two LLC resonant converters can be made to carry out crisscross parallel work.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the crisscross parallel LLC circuit of the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram for control circuit that the embodiment of the present invention proposes；
Fig. 3 is the waveform diagram of the first-the four control signal of the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of two-divider；
Fig. 5 (a) is the circuit diagram for the first LLC resonant converter of one kind that the embodiment of the present invention proposes；
Fig. 5 (b) is the circuit diagram for the first LLC resonant converter of another kind that the embodiment of the present invention proposes.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The crisscross parallel LLC circuit of the embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is a kind of crisscross parallel LLC circuit that the embodiment of the present invention proposes.As shown in Figure 1, crisscross parallel LLC circuit
It include: the balanced capacitor C2 of the first equilibrium capacitor C1 and second, the first LLC resonant converter 11 and the second LLC resonant converter 12
And control circuit 20.
Wherein, with reference to Fig. 1, one end of the first balanced capacitor C1 is connected with the positive Vin+ of power supply, the first balanced capacitor C1
One end of other end capacitor C2 balanced with second be connected, the cathode Vin- phase of the other end and power supply of the second balanced capacitor C2
Even.Wherein, the setting of the balanced capacitor C2 of the first equilibrium capacitor C1 and second is, it can be achieved that automatic current equalizing in two-way LLC circuit.
The output end of first LLC resonant converter 11 and the output end of the second LLC resonant converter 12 are connected in parallel, and first
The input terminal of LLC resonant converter 11 capacitor C1 balanced with first is connected in parallel, the input terminal of the second LLC resonant converter 12 with
Second equilibrium capacitor C2 is connected in parallel.
Control circuit 20 is connected with the control terminal of the first LLC resonant converter 11 and the second LLC resonant converter 12 respectively,
Control circuit 20 is for controlling the first LLC resonant converter 11 and the work of 12 crisscross parallel of the second LLC resonant converter.
Further, as shown in Figure 1, the crisscross parallel LLC circuit that the embodiment of the present invention proposes may also include filter capacitor
30.Referring to Fig.1, the output of the output end and the second LLC resonant converter 12 of filter capacitor 30 and the first LLC resonant converter 11
End is in parallel.The setting of the filter capacitor 30 is, it can be achieved that defeated to the first LLC resonant converter 11 and the second LLC resonant converter 12
Shaping, the filtering processing of voltage out, improve voltage output efficiency.
Fig. 2 is a kind of structural schematic diagram for control circuit that the embodiment of the present invention proposes.As shown in Fig. 2, control circuit 20
It include: that LLC controller 21, the first two-divider 22, the second two-divider 23, the first dead zone generative circuit 24 and the second dead zone are raw
At circuit 25.
Wherein, referring to Fig. 2, LLC controller 21 has the first output end and a second output terminal, and LLC controller 21 passes through the
One output end exports the first driving signal, passes through second output terminal and exports the second driving signal, wherein the first driving signal and the
Two driving signal is complementary, and the duty ratio of the first driving signal and the second driving signal is 50%.
The input terminal of first two-divider 22 is connected with the first output end of LLC controller 21, the second two-divider 23
Input terminal is connected with the second output terminal of LLC controller 21, wherein the first driving signal exports after passing through the first two-divider 22
First control signal and second control signal, the second driving signal pass through the second two-divider 23 after output third control signal and
4th control signal.
Wherein, first control signal and second control signal are complementary, and third controls signal and the 4th control signal is complementary, and
The frequency of first control signal and second control signal is the half of the frequency of the first driving signal, and third controls signal and the
The frequency of four control signals is the half of the frequency of the second driving signal, phase between first control signal and third control signal
Poor 1/4 period, as shown in Figure 3.Thus, it is possible to meet the condition that the work of LLC crisscross parallel is realized.
Optionally, DQ trigger can be used in the first two-divider 22 and the second two-divider 23.As shown in figure 4, DQ is touched
The end CP of hair device is used to receive the driving signal of the output of LLC controller 21, and the non-end output Q and Q of DQ trigger exports two respectively
The control signal of a complementation.
The input terminal of first dead zone generative circuit 24 is connected with the output end of the first two-divider 22, and the second dead zone generates electricity
The input terminal on road 25 is connected with the output end of the second two-divider 23, wherein first control signal and second control signal pass through
Output has the first control signal and second control signal of dead time after first dead zone generative circuit 24, and third controls signal
Signal and the 4th control are controlled by third of the output with dead time after the second dead zone generative circuit 25 with the 4th control signal
Signal processed.
Wherein, RC circuit can be used in the first dead zone generative circuit 24 and the second dead zone generative circuit 25.
Fig. 5 is the structural schematic diagram for the first LLC resonant converter of one kind that the embodiment of the present invention proposes.As shown in figure 5, the
One LLC resonant converter 11 includes: the first square-wave generator 111, the first LLC resonance circuit 112 and the first rectification circuit 113.
Wherein, it is connected in parallel referring to Fig. 5, the input terminal of the first square-wave generator 111 capacitor C1 balanced with first, first party
The control terminal of wave producer 111 is connected with the output end of the first dead zone generative circuit 24.Wherein, the first square-wave generator 111 can
For full-bridge circuit (shown in such as Fig. 5 (a)) or half-bridge circuit (shown in such as Fig. 5 (b)), wherein full-bridge circuit, half-bridge circuit
It is made of metal-oxide-semiconductor.
By taking half-bridge circuit as an example, by the setting of the first dead zone generative circuit 24, the first square-wave generator 111 can be prevented
In two metal-oxide-semiconductors in one another be first connected be not turned off caused power supply short circuit so that the work of LLC crisscross parallel is more
Reliably.
The input terminal of first LLC resonance circuit 112 is connected with the output end of the first square-wave generator 111.Wherein, first
LLC resonance circuit 112 includes series resonance inductor Lr, series resonant capacitance Cr, parallel resonant inductor Lm and isolating transformer T.
The input terminal of first rectification circuit 113 is connected with the output end of the first LLC resonance circuit 112.First rectification circuit
113 for adjusting ac output current, to export DC voltage, can be designed to full-bridge (such as Fig. 5 (a), 5 (b) shown in)
Or centre cap structure.
It should be noted that the second LLC resonant converter 12 is identical as the structure of above-mentioned first LLC resonant converter 11,
It just repeats no more herein.
In one example, by taking the square-wave generator of half-bridge circuit as an example, referring to Fig. 5 (b), the first LLC resonant converter
11 control terminal is the grid of metal-oxide-semiconductor M1 and metal-oxide-semiconductor M2, receives above-mentioned first control signal and second control signal respectively；Together
Reason, the control terminal of the second controlled resonant converter 12 is also the grid of two metal-oxide-semiconductors, receives above-mentioned third control signal and the 4th respectively
Control signal.
In conclusion the paralleling and interleaving LLC circuit of the embodiment of the present invention, by the inclusion of the hardware of traditional LLC controller
The control to two LLC resonant converters can be realized in circuit, so that two LLC resonant converters carry out crisscross parallel work.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of crisscross parallel LLC circuit characterized by comprising
First balanced capacitor and the second balanced capacitor, one end of the described first balanced capacitor are connected with the anode of power supply, and described the
One end of the other end capacitor balanced with described second of one balanced capacitor is connected, the other end of the second equilibrium capacitor with it is described
The cathode of power supply is connected；
First LLC resonant converter and the second LLC resonant converter, the output end of first LLC resonant converter with it is described
The output end of second LLC resonant converter is connected in parallel, and the input terminal of first LLC resonant converter is balanced with described first
Capacitor is connected in parallel, and the input terminal of second LLC resonant converter capacitor balanced with described second is connected in parallel；
Control circuit, the control circuit respectively with first LLC resonant converter and second LLC resonant converter
Control terminal is connected, and the control circuit is handed over for controlling first LLC resonant converter and second LLC resonant converter
Wrong parallel operation.
2. crisscross parallel LLC circuit according to claim 1, which is characterized in that the control circuit includes:
LLC controller, the LLC controller have the first output end and second output terminal, and the LLC controller passes through described the
One output end exports the first driving signal, exports the second driving signal by the second output terminal, wherein first driving
Signal and second driving signal are complementary, and the duty ratio of first driving signal and second driving signal is
50%；
First two-divider and the second two-divider, the input terminal of first two-divider are connected with first output end,
The input terminal of second two-divider is connected with the second output terminal, wherein first driving signal passes through described the
First control signal and second control signal are exported after one two-divider, second driving signal passes through second two divided-frequency
Third control signal and the 4th control signal are exported after device；
First dead zone generative circuit and the second dead zone generative circuit, the input terminal of first dead zone generative circuit and described first
The output end of two-divider is connected, the output end phase of the input terminal of second dead zone generative circuit and second two-divider
Even, wherein the first control signal and the second control signal are had by exporting after the generative circuit of first dead zone
The first control signal and second control signal of dead time, the third control signal and the 4th control signal pass through institute
Third control signal and fourth of the output with the dead time controls signal after stating the second dead zone generative circuit.
3. crisscross parallel LLC circuit according to claim 2, which is characterized in that first two-divider and described
Two two-dividers are all made of DQ trigger.
4. crisscross parallel LLC circuit according to claim 2, which is characterized in that the first control signal and described
Two control signals are complementary, and the third control signal and the 4th control signal are complementary, and a control signal and described
The frequency of second control signal is the half of the frequency of first driving signal, and the third controls signal and the described 4th
The frequency of control signal is the half of the frequency of second driving signal.
5. crisscross parallel LLC circuit according to claim 2, which is characterized in that the first control signal and described the
Differed for 1/4 period between three control signals.
6. crisscross parallel LLC circuit according to claim 2, which is characterized in that first dead zone generative circuit and institute
It states the second dead zone generative circuit and is all made of RC circuit.
7. crisscross parallel LLC circuit according to claim 2, which is characterized in that further include:
The output end of filter capacitor, the filter capacitor and first LLC resonant converter and the 2nd LLC resonant transformation
The output end of device is in parallel.
8. the crisscross parallel LLC circuit according to any one of claim 2-7, which is characterized in that the first LLC resonance
Converter includes:
First square-wave generator, the input terminal of first square-wave generator capacitor balanced with described first is connected in parallel, described
The control terminal of first square-wave generator is connected with the output end of first dead zone generative circuit；
First LLC resonance circuit, the output end phase of the input terminal and first square-wave generator of the first LLC resonance circuit
Even；
First rectification circuit, the input terminal of first rectification circuit are connected with the output end of the first LLC resonance circuit.
9. crisscross parallel LLC circuit according to claim 8, which is characterized in that the square-wave generator is full-bridge circuit
Or half-bridge circuit, wherein the full-bridge circuit, the half-bridge circuit are made of MOS.
10. crisscross parallel LLC circuit according to claim 8, which is characterized in that the LLC resonance circuit includes series connection
Resonant inductance, series resonant capacitance, parallel resonant inductor and isolating transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052465.4A CN109600048A (en) | 2019-01-21 | 2019-01-21 | Crisscross parallel LLC circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052465.4A CN109600048A (en) | 2019-01-21 | 2019-01-21 | Crisscross parallel LLC circuit |
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| Publication Number | Publication Date |
|---|---|
| CN109600048A true CN109600048A (en) | 2019-04-09 |
Family
ID=65966315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910052465.4A Withdrawn CN109600048A (en) | 2019-01-21 | 2019-01-21 | Crisscross parallel LLC circuit |
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| CN (1) | CN109600048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572040A (en) * | 2019-09-24 | 2019-12-13 | 西北工业大学 | Half-bridge LLC resonant converter interleaved parallel circuit and current-sharing control method thereof |
| US11146175B2 (en) | 2020-02-25 | 2021-10-12 | Ferric Inc. | One-sided parallel LLC power converter |
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| CN102497092A (en) * | 2011-12-09 | 2012-06-13 | 顾选祥 | Zero current turning-on and zero current cutoff synchronous rectification control circuit |
| CN103731143A (en) * | 2012-10-15 | 2014-04-16 | 成一电子股份有限公司 | Frequency divider and frequency synthesis circuit with same |
| CN106230268A (en) * | 2016-08-31 | 2016-12-14 | 中天昱品科技有限公司 | A kind of crisscross parallel LLC resonance DC/DC power inverter |
| CN206294138U (en) * | 2016-12-20 | 2017-06-30 | 吴瑞良 | A kind of 50Hz symmetrical complements time base circuit chip |
| CN108988650A (en) * | 2018-08-10 | 2018-12-11 | 深圳市金威源科技股份有限公司 | A kind of full-bridge power adapter of ZVS control strategy |
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2019
- 2019-01-21 CN CN201910052465.4A patent/CN109600048A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497092A (en) * | 2011-12-09 | 2012-06-13 | 顾选祥 | Zero current turning-on and zero current cutoff synchronous rectification control circuit |
| CN103731143A (en) * | 2012-10-15 | 2014-04-16 | 成一电子股份有限公司 | Frequency divider and frequency synthesis circuit with same |
| CN106230268A (en) * | 2016-08-31 | 2016-12-14 | 中天昱品科技有限公司 | A kind of crisscross parallel LLC resonance DC/DC power inverter |
| CN206294138U (en) * | 2016-12-20 | 2017-06-30 | 吴瑞良 | A kind of 50Hz symmetrical complements time base circuit chip |
| CN108988650A (en) * | 2018-08-10 | 2018-12-11 | 深圳市金威源科技股份有限公司 | A kind of full-bridge power adapter of ZVS control strategy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572040A (en) * | 2019-09-24 | 2019-12-13 | 西北工业大学 | Half-bridge LLC resonant converter interleaved parallel circuit and current-sharing control method thereof |
| CN110572040B (en) * | 2019-09-24 | 2021-04-02 | 西北工业大学 | Half-bridge LLC resonant converter interleaved parallel circuit and current-sharing control method thereof |
| US11146175B2 (en) | 2020-02-25 | 2021-10-12 | Ferric Inc. | One-sided parallel LLC power converter |
| TWI767271B (en) * | 2020-02-25 | 2022-06-11 | 美商菲力克有限公司 | One-sided parallel llc power converter and method of converting power |
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Application publication date: 20190409 |