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I've seen a few different circuits (a) (b) (c) (d) described as "an O-ring circuit" or "an optimal O-ring circuit". What does the "O" and the "ring" refer to in such circuits? How do "O-ring circ...
#3: Post edited
by
Lorenzo Donati
·
2023-08-09T21:51:04Z (8 months ago)
Retagged.
#2: Question closed
by
Olin Lathrop
·
2022-02-25T13:01:29Z (about 2 years ago)
#1: Initial revision
by
DavidCary
·
2022-02-25T08:34:36Z (about 2 years ago)
How do "O-ring circuit" differ from an "ORing circuit" or "OR-ing circuit", or are they synonyms?
I've seen a few different circuits [(a)](https://www.monolithicpower.com/en/simplified-usb-type-c-power-management-design-for-portable-devices) [(b)](https://www.google.com/books/edition/Spacecraft_Power_Systems/H_HLBQAAQBAJ?hl=en&gbpv=1&dq=%22O-ring+circuit%22&pg=PA443&printsec=frontcover) [(c)](https://www.powersystemsdesign.com/articles/usb-type-c-power-management-design-for-portable-devices/29/17344) [(d)](https://electronics.stackexchange.com/a/176032/813) described as "an O-ring circuit" or "an optimal O-ring circuit". What does the "O" and the "ring" refer to in such circuits? How do "O-ring circuit" differ from an "ORing circuit" or "OR-ing circuit", or are they synonyms? [(m)](https://www.ti.com/lit/an/slva116/slva116.pdf) [(n)](https://www.electronicdesign.com/power-management/article/21800965/how-to-choose-power-fets-for-oring-mosfet-controllers) [(o)](https://www.eevblog.com/forum/beginners/30a-or-ing-circuit/) [(p)](http://www.irf.com/technical-info/refdesigns/irac5001-hs100a.pdf) [(q)](https://www.arrow.com/en/categories/power-management/power-controllers/or-controllers) [(r)](http://sw-em.com/OR-ing%20Circuit%20Notes.htm) [(s)](https://www.mouser.com/datasheet/2/405/lm5051-440694.pdf)