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TL431 based battery charge indicator

March 22, 2018 0

Today's circuit is very simple and quite useful. This circuit can be easily made using fewer easily available components. The work of this circuit is that as soon as our battery reaches its final voltage of 14.2 the red LED is turned on. Both R1 and R2 work as a voltage divider turns TL 431 ON at 14.4 volts.
And the R3 controls the brightness of the red LED.


Author:
Aniruddh Kumar Sharma
--Ani-Lab--
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