Hi, I have a challenge regarding the measurement subsystem of the LTC4015.
I am using it in a battery powered application controlled by an MCU where the MCU spends most of it's time in a light sleep mode (~98%).
However, when I initiate a measurement (as per the datasheet pg. 21), the MCU will be awake, and so will give me far too high a value for IBAT.
I have tried to do steps a. and b. and then immediately set the MCU to sleep again for 50ms, however this doesn't help any - presumably the MCU is not able to go to sleep quick enough,
Do you have any ideas on better ways to handle this? Does the LTC4015 only do a single sample when triggered like this, or is the sampling continuous? If so I caould maybe trigger a sample, sleep for 2 samples, and wake up and fetch the last one?
(I do have a plan B, which is to use the coloumb counter for consumption measurement, however with our battery size this gives me a minimum data resolution of 1.5mAh which is less than ideal).
Quesiton about sample rate
[edited by: Preben at 12:58 PM (GMT -4) on 18 Oct 2020]