Lipo battery breaker (Summer, 2011)

Top view



Patter side view


PCBE file

Circuit diagram


The output current is turned off when the electric potential at the point A is below 2.5 V. 47k and 33k for R1 and R2 are appropriate for a 2-cell Lipo battery (turning-off voltage of the battery is about 6V).

Select R3 for 5mA through LED.

CAUTION! About 1mA current flows even in turning-off.


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