Hi Sir,
Pls advise what are the values of VT1 and VT5? VT1= 5*0.25、VT5=5* 0.125 is right??
If temperature setting range is 0~50 °C, please check below resistor value is correct?
Note . There are two sources of NTC
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Vin |
5 |
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Vin |
5 |
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RTHhot |
4158 |
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RTHhot |
4160 |
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RTHcold |
27280 |
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RTHcold |
27218 |
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VT1 |
1.25 |
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VT1 |
1.25 |
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VT5 |
0.625 |
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VT5 |
0.625 |
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RT1 |
19623 |
OHM |
RT1 |
19642 |
OHM |
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RT2 |
8604 |
OHM |
RT2 |
8621 |
OHM |
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CHIP 19.63K OHM 100PPM +-1% 0402 KOA L (19.6k) |
CHIP 19.63K OHM 100PPM +-1% 0402 KOA L (19.6k) |
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CHIP 8.61K OHM 100PPM +-1% 0402 KOA L (8.66k) |
CHIP 8.61K OHM 100PPM +-1% 0402 KOA L (8.66k) |
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Thanks, Ian.
