Do I need diodes for my circuit? If yes, please suggest! (tolerating different power sources)
hi everyone!
i'm building circuit allow user select power source (5v regulated or 7-18v unregulated).
please take @ attached image!
the questions simple:
1) need use diodes (marked green) in circuit?
2) if yes, can suggest diodes (1x dual or 2x single) [need handle 2a, , has tiny possible]
+1) if use diodes, voltage drop affect fuctioning of "module"? (i mean if [standard silicone] diode has 0.7v voltage drop, "module" 4.3v instead of 5v, , doesn't sound good)
example diodes i've found:
1x mbrd650ctg or
2x sk24a or
2x byw96
i'm building circuit allow user select power source (5v regulated or 7-18v unregulated).
please take @ attached image!
the questions simple:
1) need use diodes (marked green) in circuit?
2) if yes, can suggest diodes (1x dual or 2x single) [need handle 2a, , has tiny possible]
+1) if use diodes, voltage drop affect fuctioning of "module"? (i mean if [standard silicone] diode has 0.7v voltage drop, "module" 4.3v instead of 5v, , doesn't sound good)
example diodes i've found:
1x mbrd650ctg or
2x sk24a or
2x byw96
no if actual circuit , physically switching between 2 power sources shouldn't need diodes. diodes typically used when both power sources kept on. instance if have device plugged mains , have battery backup.
Arduino Forum > Using Arduino > Project Guidance > Do I need diodes for my circuit? If yes, please suggest! (tolerating different power sources)
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