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硬件开发笔记(九): 硬件开发基本流程,制作一个USB转RS232的模块(八):创建asm1117-3.3V封装库并关联原理图元器件
2022-07-01 15:33:00 【长沙红胖子Qt】
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本文章博客地址:https://hpzwl.blog.csdn.net/article/details/125370349
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上一篇:《硬件开发笔记(八): 硬件开发基本流程,制作一个USB转RS232的模块(七):创建基础DIP元器件(晶振)封装并关联原理图元器件》
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前言
有了原理图,可以设计硬件PCB,在设计PCB之间还有一个协同优先动作,就是映射封装,原理图库的元器件我们是自己设计的。为了更好的表述封装设计过程,本文描述了一个创建asm1117-3.3V封装,将原理图的元器件关联引脚封装。
原理图封装剖析

- 序号1:USB口封装,查看datasheet创建
- 序号2:COM封装,使用dip2.54,2dip
- 序号3:ASM1117-3.3V封装,查看datasheet创建
- 序号4:COM封装,使用dip2.54,3dip
- 序号5:电容封装,选用0603创建
- 序号6:CH340G封装,查看datashee创建
- 序号7:晶振封装,查看datasheet创建
- 序号8:MAX232元器件封装,查看datasheet创建
- 序号9:CON封装,使用dip2.54,5dip
以上,其实com有通用的,0603这些也都是通用标准的封装。
创建ASM1117-3.3V封装
ASM1117-3.3V的封装尺寸图

创建Pad焊盘(长方形,SMT贴片焊盘,123引脚)




创建Pad焊盘(长方形,SMT贴片焊盘,4引脚)



创建SOT-223封装







原理图关联封装
步骤一:打开原理图项目


步骤二:双击需要添加封装的元器件


上一篇:《硬件开发笔记(八): 硬件开发基本流程,制作一个USB转RS232的模块(七):创建基础DIP元器件(晶振)封装并关联原理图元器件》
下一篇:敬请期待…
若该文为原创文章,转载请注明原文出处
本文章博客地址:https://hpzwl.blog.csdn.net/article/details/125370349
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