Timeline for Protecting external power lines from short circuit
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 23, 2017 at 21:57 | comment | added | MAM | If you have any MCU I/O going off to exposed connectors you should protect each pin by having the above circuitry on the PCB | |
| Jan 23, 2017 at 21:22 | comment | added | perotom | Sorry i did't know that the data lines are also crucial. The devices is battery driven. There is a lot more going on than i thought. Maybe it is easier to ask the following question: Whats the common way manufactures of electronic devices with external connectors protect their devices from bad usage? | |
| Jan 23, 2017 at 20:18 | comment | added | dim | I suspect he's supplying his MCU directly with his 3.3V input (no regulator). But protection against short circuit wouldn't make sense, as I explained in my comment above. This is confused, yes. | |
| Jan 23, 2017 at 20:14 | comment | added | MAM | Ok quite confusing indeed. Although he says he wants to protect the MCU. The MCU is probably not supplying power to the "supply lines", rather a seperate regulator is most likely. Comment added to ask for clarification. | |
| Jan 23, 2017 at 20:11 | history | edited | MAM | CC BY-SA 3.0 |
added 142 characters in body
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| Jan 23, 2017 at 20:09 | comment | added | dim | Maybe the question is wrongly formulated but he wants to "protect the external supply lines". I found it strange too, but he's not talking about protecting the data lines. | |
| Jan 23, 2017 at 20:01 | history | answered | MAM | CC BY-SA 3.0 |