When the circuit is 'working', both the DO (discharge gate control) and CO (charge gate control) are high (actually they follow the battery voltage less a bit). As the battery voltage drops to the discharge trigger point (2.5V in my case), DO drops to 0V (relative to the battery earth) and CO drops to ~1.4V.
As the battery voltage increases, DO stays 0V and CO rises up until the battery voltage is 2.9V (just below the reset voltage) when it is ~1.75V. When th ebattery goes to 3.0V, CO drops slightly to ~1.6V and then continues to rise in step with the battery voltage (but about 1.4V below it).
If I then manually retrigger the chip (short the MOSFETS out) then both DO and CO jump up to the battery voltage and the current flows tot he device.
Does any of that make sense????
Susan