CN220674001U - Universal USB flash disk PCB - Google Patents
Universal USB flash disk PCB Download PDFInfo
- Publication number
- CN220674001U CN220674001U CN202322188380.3U CN202322188380U CN220674001U CN 220674001 U CN220674001 U CN 220674001U CN 202322188380 U CN202322188380 U CN 202322188380U CN 220674001 U CN220674001 U CN 220674001U
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- head
- usb
- pcb
- flash disk
- usb flash
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- 230000015654 memory Effects 0.000 claims abstract description 17
- 239000008187 granular material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model relates to a USB flash disk storage technical field, a USB flash disk PCB of general purpose, including the PCB base plate, USB flash disk master control and flash memory granule are installed to the one side of PCB base plate, and wherein USB flash disk master control is kept away from one side of flash memory granule and is connected with the USB head through the pin, and the USB head includes 2.0USB heads or 3.0USB heads, and wherein the pin on the 3.0USB head contains all pins on the 2.0USB head, and the position that both the same pin corresponds the USB flash disk master control is the same. The method solves the problems that the collocation management of various PCBs and various BOMs is difficult and error is very easy, and the 2.0USB or 3.0 master control can be directly replaced by the PCB, so that the flash memory of different brands can be directly replaced, the high expansibility is achieved, the master control and the flash memory can be randomly replaced along with the demands of customers, various PCB stock is saved, the time for confirming and checking various BOMs is also saved, and the defects caused by various production errors are further reduced.
Description
Technical Field
The application relates to the technical field of U disk storage, in particular to a universal U disk PCB.
Background
The USB flash disk is used as a storage device, and has the advantages of small size, portability, no damage by external force, plug and play of a standard interface and the like.
The U disk comprises a main control chip, a flash memory chip and other integrated circuit chips. Whereas USB has a respective 2.0 and 3.0. And the flash memory also has different brands and capacities, and as the specification of the client needs is different, the 2.0USB matched A brand flash memory is a PCB, the 3.0USB matched B brand flash memory is another PCB, and finally, the PCB has various types, the matched materials are also different, the management is difficult, and the error is very easy.
Disclosure of Invention
In order to overcome the technical problem existing in the prior art, the application provides a universal USB flash disk PCB.
The universal USB flash disk PCB provided by the application adopts the following technical scheme:
the utility model provides a universal USB flash disk PCB, includes the PCB base plate, USB flash disk master control and flash memory granule are installed to the one side of PCB base plate, and wherein USB flash disk master control is kept away from one side of flash memory granule and is connected with the USB head through the pin, and the USB head includes 2.0USB head or 3.0USB head, and wherein the pin on the 3.0USB head contains all pins on the 2.0USB head, and the position that both the same pin corresponds the USB flash disk master control is the same.
By adopting the technical scheme, the data and signal pins of the USB flash disk main control are identical in position and are placed at the same position when being defined, so that the conversion between the 3.0USB head and the 2.0USB head can be realized.
Preferably, the 2.0USB head is welded on one side of the USB flash disk main control.
Preferably, the pins of the 2.0USB head connected with the USB flash disk main control are four.
Preferably, the 3.0USB head is welded on the back surface of the USB flash disk main control.
Preferably, nine pins of the USB flash disk master control connected with the 3.0USB head are provided.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the same PCB can be freely matched with 2.0USB or 3.0 master control, and extra PCB stock is not needed;
2. the same PCB can be freely matched with flash memories of different brands;
3. the production is simplified, and components such as an additional resistor, a capacitor and the like are not needed.
Drawings
FIG. 1 is a diagram of a 2.0USBPCB board;
FIG. 2 is a top view of a 2.0USBPCB board;
FIG. 3 is a bottom view of a 2.0USBPCB plate;
FIG. 4 is a block diagram of a 3.0USBPCB board;
FIG. 5 is a top view of a 3.0USBPCB plate;
FIG. 6 is a bottom view of a 3.0USBPCB plate;
FIG. 7 is a block diagram of a 2.0 USB;
FIG. 8 is a block diagram of 3.0 USB;
FIG. 9 is a top view of a 3.0USB master pin definition location;
fig. 10 is a top view of a 2.0USB master pin definition location.
Reference numerals illustrate: 1. a PCB substrate; 2. a USB flash disk main control; 3. flash memory particles; 4. 2.0USB head; 5. 3.0USB head.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-10.
Example 1
The embodiment of the application discloses a universal USB flash disk PCB, and the PCB substrate of the embodiment is connected with a 2.0USB head 4.
Referring to fig. 1, fig. 2, fig. 3, fig. 7, fig. 9 and fig. 10, a universal USB disk PCB comprises a PCB substrate 1, a USB disk main control 2 and flash memory particles 3 are installed on one surface of the PCB substrate 1, wherein a USB head is connected to one side of the USB disk main control 2 far away from the flash memory particles 3 through pins, the USB head comprises a 2.0USB head 4 or a 3.0USB head 5, pins on the 3.0USB head 5 comprise all pins on the 2.0USB head 4, and the same pins correspond to the same positions of the USB disk main control 2. The data and signal pins of the USB flash disk main control 2 are positioned at the same position in the definition process, so that the conversion between the 3.0USB head 5 and the 2.0USB head 4 can be realized. 2.0USB head 4 welds in the one side of installing USB flash disk master control 2. 2.0USB head 4 connects USB flash disk master 2's pin has four.
Example 2
The embodiment of the application discloses a universal USB flash disk PCB, and the PCB substrate of the embodiment is connected with a 3.0USB head 5.
Referring to fig. 4, fig. 5, fig. 6, fig. 8, fig. 9 and fig. 10, a universal USB disk PCB comprises a PCB substrate 1, a USB disk main control 2 and flash memory particles 3 are installed on one surface of the PCB substrate 1, wherein a USB head is connected to one side of the USB disk main control 2 far away from the flash memory particles 3 through pins, the USB head comprises a 2.0USB head 4 or a 3.0USB head 5, pins on the 3.0USB head 5 comprise all pins on the 2.0USB head 4, and the same pins correspond to the same positions of the USB disk main control 2. The data and signal pins of the USB flash disk main control 2 are positioned at the same position in the definition process, so that the conversion between the 3.0USB head 5 and the 2.0USB head 4 can be realized. 3.0USB head 5 welds in the reverse side of installing USB flash disk master control 2. And nine pins of the USB flash disk main control 2 are connected with the USB flash head 5.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. The utility model provides a universal USB flash disk PCB which characterized in that: including PCB base plate (1), USB flash disk master control (2) and flash memory granule (3) are installed to one side of PCB base plate (1), and wherein USB flash disk master control (2) are kept away from one side of flash memory granule (3) and are connected with the USB head through the pin, the USB head includes 2.0USB head (4) or 3.0USB head (5), and wherein the pin on 3.0USB head (5) contains all pins on 2.0USB head (4), and the position that both the same pins correspond USB flash disk master control (2) is the same.
2. The universal usb-to-PCB of claim 1, wherein: the 2.0USB head (4) is welded on one side of the USB flash disk main control (2).
3. The universal usb-to-PCB of claim 2, wherein: the number of pins of the 2.0USB head (4) connected with the USB flash disk main control (2) is four.
4. The universal usb-to-PCB of claim 1, wherein: the 3.0USB head (5) is welded on the back surface of the USB flash disk main control (2).
5. The universal usb-to-PCB of claim 4, wherein: nine pins of the USB flash disk main control (2) connected with the 3.0USB head (5) are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322188380.3U CN220674001U (en) | 2023-08-15 | 2023-08-15 | Universal USB flash disk PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322188380.3U CN220674001U (en) | 2023-08-15 | 2023-08-15 | Universal USB flash disk PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220674001U true CN220674001U (en) | 2024-03-26 |
Family
ID=90342644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322188380.3U Active CN220674001U (en) | 2023-08-15 | 2023-08-15 | Universal USB flash disk PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220674001U (en) |
-
2023
- 2023-08-15 CN CN202322188380.3U patent/CN220674001U/en active Active
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