How to design high-accuracy CT-based split-phase electricity meters using standalone metrology ADCs

How to design electricity meters using the ADS131M04 standalone delta-sigma metrology ADCs and the use of TIDA-010037 reference design.

As processing requirements for electricity meters gradually increase, it becomes increasingly difficult to find one device that meets both the processing requirements for adding advanced metrology features to smart meters while also accurately sensing metrology parameters, such as RMS voltage, RMS current, and active power.  To deal with this design challenge, one option is to use a separate metrology microcontroller and a standalone ADC. This session will focus on how to design electricity meters using the ADS131M04 standalone delta-sigma metrology ADCs.  The TIDA-010037 reference design with its onboard MSP432 ARM Cortex M4F metrology microcontroller will be used to illustrate how to use the ADS131M04 standalone ADC to implement a high-accuracy Class 0.1 split-phase meter with current transformer current sensors.

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