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[Schematic review] Temperature sensor - to high voltage at O.S. output #9

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mkiepiela opened this issue Jul 1, 2021 · 3 comments
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[Schematic review] Temperature sensor - to high voltage at O.S. output #9

mkiepiela opened this issue Jul 1, 2021 · 3 comments
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mkiepiela commented Jul 1, 2021 •
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Voltage at O.S. pin of LM75 (IC14) must be less than 6.5V.
It is exceeded. Except R57/R98 voltage divider, this net is also pulled up by R64, LD1D (and open T28).
@mkiepiela mkiepiela added the bug Something isn't working label Jul 1, 2021
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gkasprow commented Jul 1, 2021

that's the role of T28 to make sure the rail won't exceed 3V3

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Doesn't seem to work. Details:
#8

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that should work
obraz

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