TIDUF25 june 2023 ADS131M08 , MSPM0G1507
The test software of the design has support for storing the raw voltage and current ADC values for phase A, B, and C. These raw ADS131M08 samples are signed integers and any stray DC or offset value on these converters are removed using a DC tracking filter. A separate DC estimate for all voltages and currents is obtained using the filter, voltage, and current samples, respectively. This estimate is then subtracted from each voltage and current raw ADC sample.
The resulting instantaneous voltage and current samples are used to generate the following intermediate results:
The foreground process processes these accumulated values.