TIDUF72
August
2024
1
Description
Resources
Features
Applications
6
1 System Description
1.1
Key System Specifications
1.2
End Equipment
1.3
Electricity Meter
1.4
Power Quality Meter, Power Quality
Analyzer
2 System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Magnetic Tamper Detection With TMAG5273 Linear
3D Hall-Effect Sensor
2.2.2
Analog Inputs of Standalone ADCs
2.2.3
Voltage Measurement Analog Front
End
2.2.4
Analog Front End for Current
Measurement
2.3
Highlighted Products
2.3.1
AMC131M03
2.3.2
ADS131M02
2.3.3
MSPM0G1106
2.3.4
TMAG5273
2.3.5
ISO6731
2.3.6
TRS3232E
2.3.7
TPS709
3 Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.1.1
Software Requirements
3.1.2
UART for PC GUI Communication
3.1.3
Direct Memory Access (DMA)
3.1.4
ADC Setup
3.1.5
Foreground Process
3.1.6
Formulas
3.1.6.1
Standard Metrology
Parameters
3.1.6.2
Power Quality Formulas
3.1.7
Background Process
3.1.8
Software Function
per_sample_dsp()
3.1.9
Voltage and Current Signals
3.1.10
Pure Waveform Samples
3.1.11
Frequency Measurement and Cycle
Tracking
3.1.12
LED Pulse Generation
3.1.13
Phase Compensation
3.2
Test Setup
3.2.1
Power Supply Options and
Jumper Setting
3.2.2
Electricity Meter Metrology Accuracy Testing
3.2.3
Viewing Metrology Readings and
Calibration
3.2.3.1
Calibrating and Viewing Results From PC
3.2.4
Calibration and FLASH Settings for MSPM0+
MCU
3.2.5
Gain Calibration
3.2.6
Voltage and Current Gain Calibration
3.2.7
Active Power Gain Calibration
3.2.8
Offset Calibration
3.2.9
Phase Calibration
3.3
Test Results
3.3.1
Energy Metrology Accuracy Results
4 Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.1.3
PCB Layout Recommendations
4.1.4
Layout Prints
4.1.5
Altium Project
4.1.6
Gerber Files
4.1.7
Assembly Drawings
4.2
Tools and Software
4.3
Documentation Support
4.4
Support Resources
4.5
Trademarks
5 About the Authors
4.2 Tools and SoftwareTools CCSTUDIO Code Composer Studio™ integrated development environment (IDE) SYSCONFIG System configuration tool with an intuitive graphical user interface for configuring pins, peripherals, radios, software stacks, RTOS, clock tree, and other components. Software TIDA-010944 Firmware Source code of Energy Library for TIDA-010944 in latest MSPM0 SDK with default install path: C:\ti\mspm0_sdk_2_01_00_03\examples\nortos\LP_MSPM0G3507\energy_metrology\split-phase\TIDA_010944_SW