Replace ADM2687EBRIZ - Githubissues

TimGremalm / LightBoxNano

a generic PCB for controlling LED's both LED strip and WS2812

GNU General Public License v3.0

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Replace ADM2687EBRIZ #10

Open TimGremalm opened 3 years ago

TimGremalm commented 3 years ago

ADM2687EBRIZ is not manufactured anymore, replace with a common RS485 transceiver and isolate it.

Possible replacements:

RS485 transceiver MAX485EESA+ https://se.farnell.com/maxim-integrated-products/max485eesa/transceiver-rs485-422-2-5mbps/dp/2518832
Optocoupler FOD817BSD https://se.farnell.com/on-semiconductor/fod817bsd/optocoupler-transistor-5kv-smdip/dp/2985527
Digital Isolator SI8431AB-D-IS https://se.farnell.com/silicon-labs/si8431ab-d-is/digital-isolator-3ch-40-to-125deg/dp/2930608
Isolated DC to DC IL0505S https://se.farnell.com/xp-power/il0505s/converter-dc-dc-2w-5v/dp/8728097
Isolated DC to DC TBA 2-0511 https://se.farnell.com/tracopower/tba-2-0511/dc-dc-converter-5v-0-4a/dp/3260014

Reference design https://www.electroschematics.com/an-introduction-to-the-digital-multiplex-protocol/

goran-mahovlic commented 3 years ago

This one could be option - but it would require additional isolated power circuit...

https://hr.mouser.com/ProductDetail/Texas-Instruments/ISO3086TDWR/?qs=wqKrPCMdR%252BYjX1VTdF3GRQ%3D%3D