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PCB新聞

PCB新聞 - PCB設計項目檢查表

PCB新聞

PCB新聞 - PCB設計項目檢查表

PCB設計項目檢查表

2021-11-03
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Author:Kavie

1、檢查原理圖的合理性和正確性;

印刷電路板

2、檢查原理圖組件包的正確性;


3. 强弱電流之間的距離, the distance between isolated areas;


4. 檢查示意圖和 PCB圖 correspondingly to prevent the loss of the network table;


5. Whether the package of the component is consistent with the actual product;


6. Whether the placement of the components is appropriate:


A. Whether the components are easy to install and remove;


B. Whether the temperature-sensitive element is too close to the heating element;


C. Whether the distance and direction of the components that can generate mutual inductance are appropriate;


D. Whether the placement between the connectors is smooth;


E. Easy to plug and unplug;


F. Input and output;


G. Strong current and weak current;


H. Whether digital and analog are interlaced;


I. Arrangement of elements on the upwind side and downwind side;


7. Whether the directional component has been wrongly flipped instead of rotated;


8. Whether the mounting holes of the component pins are suitable and whether it is easy to insert;


9. Check whether the empty pin of each component is normal and whether it is a missing wire;


10. 檢查同一網臺上下層是否有通孔, and the pads are connected through the holes to prevent disconnection and ensure the integrity of the circuit;


11. 檢查上下字元放置是否正確合理. 不要放置組件來覆蓋角色, so as to facilitate the operation of welding or maintenance personnel;


12. 上層和下層的非常重要的連接不應僅與串聯組件的焊盤連接, it is best to use vias;


13. The arrangement of power and signal wires in the socket should ensure signal integrity and anti-interference;


14. Pay attention to the proper ratio of pad and solder hole;


15. 插頭應放在 PCB板 as much as possible and easy to operate;


16. 檢查組件標籤是否與組件匹配, and the components should be placed in the same direction as possible and placed neatly;


17. 在不違反設計規則的情况下, the power and ground wires should be as thick as possible;


18. 在正常情况下, 上層應水准,下層應垂直, and the chamfer shall not be less than 90 degrees;


19. PCB上安裝孔的尺寸和分佈是否合適, and minimize the PCB bending stress;


20. Pay attention to the height distribution of the components on the PCB and the shape and size of the PCB to ensure easy assembly;

The above is the introduction of the PCB設計 項目檢查表. Ipcb還提供PCB製造商和PCB製造技術.