How about move the MOSFET above the junction of ADC_IN. Voltage drop across the MOSFET?
George
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Re: Battery monitoring - ever tried AN1072?
How about move the MOSFET above the junction of ADC_IN. Voltage drop across the MOSFET?
George
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Re: Battery monitoring - ever tried AN1072?
George's idea maybe feasible but FET's specs should be examined in detail.
A P-channel I thing is best with the aid of second NPN transistor that will be driven from the PIC enable output.
If you need more help with the circuit, please ask.
Ioannis
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