Battery voltage monitoring for use on 16F1825

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  1. - 14th April 2013, 02:51 #1
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    longpole001
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    Default Re: Battery voltage monitoring for use on 16F1825

    yes choosing the Pch mosfet - looking at the gate to source voltage spec (Vgs) has to be at least rated above +/- 5v, the gate threshold voltage would be be a bit higher than say - 2v to -4 , but the pic i/o pin (low) would need to sink less than 20ma ( no problem with the values proposed) ???
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