Hi everyone, I've been concerned about my 1-wire network getting toasted also.
I emailed Maxim, and here's was the engineer's response BELOW. This should protect your network from anything, except a direct lightning strike, which the engineer stated would be difficult to prevent. I hope this helps. Comments? Steve | |================================================================ | Staff Comment 2009-12-22 11:09:26 PST | By: Stewart M | | Hi XXXXXXXX, | | I will be the application engineer assisting you. There are a | few things you can do to protect your 1-Wire devices from a | surge, indirect lightning or ESD event. I recommend using a | DS9503 part and a PTC resettable fuse. Here is the data sheet | for the DS9503: | | http://datasheets.maxim-ic.com/en/ds/DS9503.pdf | | The PTC I most recommend is from Little Fuse part # 0603L010YR | found here: | | http://www.littelfuse.com/part/0603L010.html | | You would place the DS9503 first, followed by the PTC, and then | the 1-Wire Device. This will protect you against most surges, | ESD events, and indirect lightning strikes. Protecting against | direct lightning events would be much more difficult. | | Best Regards, | | Stewart Merkel | | Bes | |================================================================ | Submit Request 2009-12-21 13:12:23 PST | By: XXXXXXXXXX | | How do you protect a 1-wire network from a lightning strike. | | I don't want my temperature devices toasted, my hub, or anything | else on the network. | | Thanks. | |================================================================ | REFERENCES | | Referring Url: | http://www.maxim-ic.com/ | | Maxim Support Center: | https://support.maxim-ic.com/ | | Maxim Home Page: | http://www.maxim-ic.com/ | |================================================================ | | Would you like to be automatically notified when new application | notes are published in your areas of interest? Sign Up for Maxim | RSS feeds. http://www.maxim-ic.com/rss/feed.mvp | |================================================================
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