Isolated USB-TTL Converter

1 year ago 261
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

A FTDI breakout (based around a CH340) with galvanic isolation between the MCU and computer sides with an ADuM1401. It features:

  • Galvanic isolation (2.5kV RMS for 1 minute)
  • Cheap CH340 chip
  • USB C for computer connection
  • Stranded FTDI breakout pinout (can be used as programmer)
  • Can be made on single sided board at home (with 2 jumpers)
  • USB input protection (polyfuse)
  • Small 43.6x15.2mm
  • Bypass caps to help keep power lines stable

Documents

V1

V1_PCB

V2

V2_PCB

BOM

ID Name Designator Footprint Quantity Mounted
1 1206L075THYR F2 1206 1 Yes C99563
2 100n C7,C8,C6,C9,C10 0402 5 Yes
3 CH340C U1 SOP-16_150MIL 1 Yes C84681
4 1k R8 0603 1 Yes
5 ADUM1401BRWZ U4 SOIC-16_300MIL 1 Yes C91762
6 USB-C USB2 MICRO-USB-9 1 Yes C21377
7 POW POW 0603-LED 1 Yes C99772
8 220R R9 0603 1 Yes C163392
9 PROG P1 1X6 SMT PKG 1 Yes C37208

Attachments

None

Members

Success
The owner does not allow comments in this project now

Comments (0)

goToTop
你现在访问的是EasyEDA海外版,使用建立访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程,下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
svg-battery svg-battery-wifi svg-books svg-more svg-paste svg-pencil svg-plant svg-ruler svg-share svg-user svg-logo-cn svg-double-arrow
We use cookies to offer you a better experience. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this site, you consent to the use of our cookies.