DA14531 SmartBond TINY Module
6 months agoPosted by tsgowtham 80 points 23 replies
I'm working on designing a custom PCB which uses a LiPo battery and a LDO. I would like to use one ADC channel to sample the voltage of the battery. Can you please suggest the best/recommended method/design for this?
I previously had a custom board on which the positive terminal of the battery was connected to P0.7. This board had used a coin cell. This had an issue where there was an increase in power consumption even after configuring this pin as inactive. I verified that the increased current draw was due to this connection by checking the current draw after cutting the trace between P0.7 and the battery.
I would like to avoid this issue in this design, so please suggest a method I should use for sampling the battery voltage.