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Adm696 supervisory circuit

Question asked by totot on Apr 23, 2012
Latest reply on May 2, 2012 by totot

Hi,

I'm using the ADM696 to switch from Vcc 3,3V to a recheargable battery (ML2032) when the power supply is switched off.

The problem is that the battery's voltatge from factory is almost 3,3 and the ADM696 oscillates switching from Vcc to Battery when

the power is on because the voltages are nearly the same.

When I Charge my battery with an external R,I have the same problem it reaches 3,3V and the ADM696 comparator starts to oscillate between

Vcc and Battery.

How I can avoid this problem?  I would like my battery never to reach 3,3V.

Thanks

Jaume

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