CN116865530A - Module power supply based on PD gallium nitride charger - Google Patents
Module power supply based on PD gallium nitride charger Download PDFInfo
- Publication number
- CN116865530A CN116865530A CN202310867153.5A CN202310867153A CN116865530A CN 116865530 A CN116865530 A CN 116865530A CN 202310867153 A CN202310867153 A CN 202310867153A CN 116865530 A CN116865530 A CN 116865530A
- Authority
- CN
- China
- Prior art keywords
- power supply
- module power
- output
- gallium nitride
- main body
- 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.)
- Pending
Links
- 229910002601 GaN Inorganic materials 0.000 title claims abstract description 21
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000010030 laminating Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a module power supply based on a PD gallium nitride charger, which belongs to the technical field of power supply modules and comprises a shell and a module power supply main body arranged in the shell, wherein the module power supply main body is formed by laminating a plurality of layers of PCB boards, a magnetic component is sleeved on the PCB boards, secondary coils of the magnetic component are wound on the surface and the bottom surface of the PCB boards, a plurality of input ends and a plurality of output ends are arranged on the module power supply main body, the input ends comprise an input positive electrode and an input negative electrode, and the output ends comprise an output positive electrode and an output negative electrode. According to the module power supply, the shell, the module power supply main body and the magnetic components are arranged, so that the whole production and the assembly are convenient, a transformer is not required, and the volume and the weight of the module power supply are further reduced; the module power supply is designed into a universal power supply, can be reused, and prolongs the service life of the module power supply; the modularized assembly mode is adopted, so that the assembly mode can be combined arbitrarily, and the use requirements of most electronic products are met.
Description
Technical Field
The invention relates to the technical field of power supply modules, in particular to a module power supply based on a PD gallium nitride charger.
Background
The function of the module power supply is voltage conversion, which can convert alternating current or direct current into the required alternating current or direct current. Such as: the Alternating Current (AC) 220V of the mains supply is converted into Direct Current (DC) 5V, because the alternating current 220V is high voltage and the electronic products are low voltage powered, which requires a conversion device to convert the alternating current 220V voltage into low voltage, and thus the module power supply is generated accordingly. The module power supply is usually arranged on a main board of the electronic product and is used for providing power for the product and converting high-voltage power into low-voltage power.
The development of the power supply mainly takes small volume and high efficiency as main, but the transformer becomes the biggest obstacle of the development, so that the existing module power supply has large volume and heavy weight; in addition, the existing power supply is troublesome to produce and process, so that the production reject ratio is increased, and the cost is increased; therefore, a new module power supply is needed to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a module power supply based on a PD gallium nitride charger, and aims to solve the technical problems of large volume, inconvenient production and assembly, troublesome processing and increased reject ratio of the existing module power supply.
In order to achieve the above purpose, the invention provides a module power supply based on a PD gallium nitride charger, wherein the module power supply comprises a shell and a module power supply main body arranged in the shell, the module power supply main body is formed by laminating a plurality of layers of PCB boards, a magnetic component is sleeved on the PCB boards, secondary coils of the magnetic component are wound on the surface and the bottom surface of the PCB boards, a plurality of input ends and a plurality of output ends are arranged on the module power supply main body, the input ends comprise an input positive electrode and an input negative electrode, and the output ends comprise an output positive electrode and an output negative electrode.
Preferably, the module power supply main body is provided with one or more groups, and when the module power supply main body is provided with the plurality of groups, the module power supply main body is used in parallel.
Preferably, the module power supply main body is encapsulated in the shell through heat conducting glue.
Preferably, the input DC of the input end of the module power supply is 100-380V, and the output DC of the output end of the module power supply is 3.3-48V.
Preferably, the output power of the single module power supply main body is 65W.
Preferably, the module power supply main body can set a fixed voltage, or an external protocol chip hangs an internal optocoupler to perform voltage feedback output.
Preferably, the module power supply body has overvoltage protection, overcurrent protection, overtemperature protection, and over-power protection.
The technical scheme of the invention has the beneficial effects that:
the module power supply based on the PD gallium nitride charger mainly comprises a shell, a module power supply main body and magnetic components, is convenient to integrally produce and assemble, does not need to be provided with a transformer, and further reduces the volume and the weight of the module power supply; the number of components to be purchased is small, and only a single module is purchased, a small number of components such as an electrolytic bridge, a fuse and the like are additionally arranged, so that the power supply can be manufactured, and the factory stock pressure and the manufacturing cost are reduced; the module power supply is designed into a universal power supply, can be reused, and prolongs the service life of the module power supply; the modularized assembly mode is adopted, so that the assembly mode can be combined arbitrarily, and the use requirements of most electronic products are met; the PCB adopts copper foil wiring to replace the traditional copper wires, and the production technology of gallium nitride is utilized to achieve the effect of high-frequency miniaturization.
Drawings
FIG. 1 is a schematic diagram of a module power supply based on a PD gallium nitride charger according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a module power supply body according to an embodiment of a module power supply based on a PD gallium nitride charger of the present invention;
fig. 3 is a circuit diagram of an embodiment of a module power supply based on a PD gallium nitride charger according to the invention.
In the figure: 1. a housing; 2. a module power supply main body; 21. a PCB board; 22. an input end; 23. an output end; 3. magnetic components.
Detailed Description
The following description of the embodiments of the present invention will be made more clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a module power supply based on a PD gallium nitride charger, referring to figures 1-3, the module power supply comprises a shell 1 and a module power supply main body 2 arranged in the shell, the module power supply main body 2 is formed by laminating a plurality of layers of PCB boards 21, a magnetic component 3 is sleeved on the PCB boards 21, secondary coils of the magnetic component 3 are wound on the surface and the bottom surface of the PCB boards, a plurality of input ends 22 and a plurality of output ends 23 are arranged on the module power supply main body 2, the input ends comprise an input positive electrode and an input negative electrode, the output ends comprise an output positive electrode and an output negative electrode, the input ends comprise two pins, the output ends comprise three pins, and one pin is a control signal pin.
The invention relates to a module power supply based on a PD gallium nitride charger, which mainly comprises a shell 1 and a module power supply main body 2, wherein the shell 1 of the module power supply is made of a three-watt heat-conducting material and has an insulating effect, and radiating fins can be directly arranged outside the module power supply to radiate heat; the module power supply main body 2 is formed by laminating a plurality of layers of PCB boards 21, preferably, the PCB boards are six layers, the PCB boards 21 are sleeved with magnetic components 3, the magnetic components 3 comprise coils, magnetic cores and other parts, the coils comprise secondary coils and primary coils, the secondary coils of the magnetic components 3 are wound on the surface and the bottom surface of the PCB boards 21, namely, the magnetic components 3 are placed on the secondary side of the power supply and serve as output ends of the power supply, and the design of safety certification EMI and magnetic core heat dissipation treatment are facilitated.
In addition, the module power supply main body 2 is provided with a plurality of input ends 22 and a plurality of output ends 23, the input ends comprise an input positive electrode and an input negative electrode, the output ends comprise an output positive electrode and an output negative electrode, the input ends input high voltage, and the output ends output low voltage, so that the module power supply is suitable for charging and using electronic products.
The module power supply is simple in structure, convenient to produce and assemble, and free of a transformer, and the size and weight of the module power supply are further reduced; the number of components to be purchased is small, and only a single module is purchased, a small number of components such as an electrolytic bridge, a fuse and the like are additionally arranged, so that the power supply can be manufactured, and the factory stock pressure and the manufacturing cost are reduced; the module power supply is designed into a universal power supply, can be reused, and prolongs the service life of the module power supply; the modularized assembly mode is adopted, so that the assembly mode can be combined arbitrarily, and the use requirements of most electronic products are met; the PCB adopts copper foil wiring to replace the traditional copper wires, and the production technology of gallium nitride is utilized to achieve the effect of high-frequency miniaturization.
In a preferred embodiment, referring to fig. 1 and 2, the module power supply body 2 of the module power supply is provided with one or more groups, and when the module power supply bodies are provided with the groups, the module power supply bodies are used in parallel. The module power supply main body 2 is encapsulated in the shell 1 through heat-conducting glue. The module power supply is a universal module, a group of module power supplies or a plurality of groups of module power supplies can be arranged according to the product requirement, and when the plurality of groups of module power supply main bodies 2 are arranged, the plurality of power supplies are arranged in parallel, so that the development period is shortened, the market competitiveness is improved, and the production and the assembly are convenient. The module power supply main body 2 can be arranged in a naked mode, and can be encapsulated in the shell 1 through environment-friendly water heat-conducting glue, so that the module power supply has the characteristics of dampproofing, vibration prevention, water resistance and dust resistance.
In a preferred embodiment, referring to fig. 3, the input DC of the input of the module power supply is 100-380V and the output DC of the output of the module power supply is 3.3-48V. Further, the input DC of the input end of the module power supply is 100-240V, and the output DC of the output end is 5-20V.
In a preferred embodiment, referring to fig. 2, the output power of the single module power supply body 2 of the module power supply is 65W. When the module power supplies are arranged in two groups, the output power of the module power supply main body 2 is 130W, the output voltage is 20V, and the output current is 3250mA.
In a preferred embodiment, referring to fig. 2 and 3, the module power main body 2 of the module power can set a fixed voltage, or an external protocol chip hangs an internal optocoupler for voltage feedback output. The module power supply body 2 has overvoltage protection, overcurrent protection, overtemperature protection, and overvoltage protection. If the module power supply needs to be constant voltage and constant current, the constant voltage and constant current control is additionally added in the circuit.
It should be noted that, the input electric heat of the module power supply of the invention needs to meet 2uF/1W, the output fixed capacitor 680uF/25V or higher, in order to prevent common mode interference, LN can be added to the output negative electrode Y1 capacitor 330pF/470pF, which can well solve the problem of touch failure for touch screen application; in addition, the power supply is not used beyond the input-output voltage range, so that the power supply of the module is not damaged.
The module power supply of the invention also has the following characteristics: 1. ultra-thin and ultra-small appearance, conciseness and beautiful appearance; 2. low power consumption, environmental protection and small no-load loss; 3. high efficiency and high power density; 4. the module power supply can be combined at will, so that the production is convenient; 5. has high reliability and long service life.
The above description of the preferred embodiments of the present invention should not be taken as limiting the scope of the invention, but rather should be understood to cover all modifications, variations and adaptations of the present invention using its general principles and the following detailed description and the accompanying drawings, or the direct/indirect application of the present invention to other relevant arts and technologies.
Claims (7)
1. The utility model provides a module power based on PD gallium nitride charger which characterized in that: the module power supply comprises a shell and a module power supply main body arranged in the shell, wherein the module power supply main body is formed by laminating a plurality of layers of PCB boards, a magnetic component is sleeved on the PCB boards, a secondary coil of the magnetic component is wound on the surface and the bottom surface of the PCB boards, a plurality of input ends and a plurality of output ends are arranged on the module power supply main body, the input ends comprise an input positive electrode and an input negative electrode, and the output ends comprise an output positive electrode and an output negative electrode.
2. The PD-based gallium nitride charger module power supply according to claim 1, wherein the module power supply body is provided with one or more groups, and when the module power supply body is provided with the plurality of groups, the module power supply body is used in parallel.
3. The PD-based gallium nitride charger module power supply of claim 1, wherein the module power supply body is potted inside the housing with a thermally conductive paste.
4. The PD-based gallium nitride charger module power supply of claim 1, wherein the input DC of the input of the module power supply is 100-380V and the output DC of the output of the module power supply is 3.3-48V.
5. The PD-based gallium nitride charger module power supply according to claim 1, wherein the output power of the individual module power supply body is 65W.
6. The module power supply based on the PD gallium nitride charger according to claim 1, wherein the module power supply main body can set a fixed voltage, or an external protocol chip hangs an internal optocoupler as a voltage feedback output.
7. The PD-based gallium nitride charger module power supply of claim 1, wherein the module power supply body has overvoltage protection, overcurrent protection, overtemperature protection, and overpower protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310867153.5A CN116865530A (en) | 2023-07-14 | 2023-07-14 | Module power supply based on PD gallium nitride charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310867153.5A CN116865530A (en) | 2023-07-14 | 2023-07-14 | Module power supply based on PD gallium nitride charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116865530A true CN116865530A (en) | 2023-10-10 |
Family
ID=88218770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310867153.5A Pending CN116865530A (en) | 2023-07-14 | 2023-07-14 | Module power supply based on PD gallium nitride charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116865530A (en) |
-
2023
- 2023-07-14 CN CN202310867153.5A patent/CN116865530A/en active Pending
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