Lipo battery breaker (Summer, 2011)


Top view

 

 

Patter side view

patternview

PCBE file

Circuit diagram

circuit

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.

 

Mobile Sensor for Volcanic Observation "HOMURA"
火山観測用自走式センサー「ほむら」

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