Histeresis

Hi Bezerra

I have tried to contact you regarding this circuit but unfortunately there isnt a DM service on this site that I can see.

I wondered could you confirm how you got the values you have used in the circuit for resistors and why have you used a 13v unit for the battery but it states a 12v battery. It looks good and I want to adapt it if possible but need to understand how the values were obtained first.

Thank you :)

Lyndon

Hello Lindon

The voltage divider R1 and R5 fluctuate around the 2.49V reference voltage of the TL431C.
The positive feedback R3 and R4 is calculated according to the circuit hysteresis.
View Comparator using inverting input:
http://www.analog.com/en/analog-dialogue/articles/curing-comparator-instability-with-hysteresis.html
In practice, the maximum and minimum values of the output voltage of the comparator AMPOP must be considered.
The rated voltage of the lead-acid battery voltage is approximately 12.8V

Best regard

BezerraBrasileiro

Learn electronics using multisim and mathcad software.
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