MAX17823 has three different status for current measurement.
1. Standby mode. In this mode, there is no data communication and no ADC action. The power consumption is IDCSTBY;
2. In communication mode, the power consumption is IDCSTBY+IDCCOMM;
3. In ADC scan, the power consumption is IDCMEAS+ IHVMEAS*3. This is because HV charge pump's efficiency is 38%. HV also need consume DCIN power.