SLVUDF6 September   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 System Description
      1. 1.3.1 Key System Specifications
      2. 1.3.2 End Equipment
      3. 1.3.3 Electricity Meter
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 System Overview
      1. 2.1.1 Block Diagram
      2. 2.1.2 Design Considerations
        1. 2.1.2.1 Voltage Measurement - Analog Front End
        2. 2.1.2.2 Current Measurement - Analog Front End
        3. 2.1.2.3 Input Voltage
  9. 3Software
    1. 3.1 Metrology Overview
      1. 3.1.1 Metrology Formulas
      2. 3.1.2 UART for PC GUI Communication
      3. 3.1.3 Direct Memory Access (DMA)
      4. 3.1.4 ADC Setup
      5. 3.1.5 Foreground Process
      6. 3.1.6 Background Process
      7. 3.1.7 Software Function per_sample_dsp ()
      8. 3.1.8 Frequency Measurement and Cycle Tracking
      9. 3.1.9 LED Pulse Generation
  10. 4Implementation Results
    1. 4.1 Evaluation Procedure
      1. 4.1.1 Equipment Setup
      2. 4.1.2 Test Procedure
        1. 4.1.2.1 Working with the Metrology GUI
        2. 4.1.2.2 Calibration
          1. 4.1.2.2.1 Voltage and Current Offset Calibration
          2. 4.1.2.2.2 Voltage and Current Gain Calibration
          3. 4.1.2.2.3 Active Power Gain Calibration
          4. 4.1.2.2.4 Offset Calibration
          5. 4.1.2.2.5 Phase Calibration
    2. 4.2 Performance Data and Results
      1. 4.2.1 Electricity Meter Metrology Accuracy Results
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layouts
    3. 5.3 Bill of Materials (BOM)
  12. 6Additional Information
    1. 6.1 Trademarks
  13. 7Compliance Information
    1. 7.1 Compliance and Certifications
  14. 8Related Documentation

Features

  • Single-phase class 0.5% accuracy across the input range (50mA–15A) with 4kHz sampling rate
  • Calculated parameters include active and reactive energy and power, root mean square (RMS) current, RMS voltage, power factor, and line frequency
  • Energy metrology software with pulsed outputs to a reference test system including results displaying on a Microsoft® Windows® PC GUI
  • Flexibility in combining metrology MCU and ADC for various performance points