TIDUFE7 March   2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 MSPM0G5187 Mixed-Signal Microcontrollers With Edge AI NPU
      2. 2.3.2 CC2755R10 SimpleLink™ Bluetooth® LE wireless MCU
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 PIR Analog Signal Chain
    2. 3.2 Software Requirements
    3. 3.3 Test Setup
      1. 3.3.1 Data Collection
    4. 3.4 Test Results
      1. 3.4.1 Passive Infrared Sensor (PIR)
      2. 3.4.2 HDC3020 – Temperature and Humidity Sensor (I2C)
      3. 3.4.3 BMP384 – Barometric Pressure Sensor (I2C)
      4. 3.4.4 OPT4001 – Ambient Light Sensor (I2C)
      5. 3.4.5 BMI270 – 6-Axis IMU (SPI)
      6. 3.4.6 MAG5170 – 3D Hall-Effect Sensor (SPI)
      7. 3.4.7 ICS43434 – Digital Microphone (I2S)
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks
  11. 5About the Author

3.4.6 MAG5170 – 3D Hall-Effect Sensor (SPI)

  1. Default Configuration:
    1. Operating Mode: Active Measure (continuous)
    2. Magnetic Range: ±50mT
    3. Channels: X, Y, and Z enabled
    4. Conversion Averaging: 4 samples
    5. CRC: Disabled
  2. User Configurable:
    1. Operating mode (configuration, standby, active, trigger, sleep)
    2. Magnetic range (±25mT, 50mT, 100mT)
    3. Channel enable (X, Y, Z individually or combined)
    4. Conversion averaging (1 to 32 samples)
    5. CRC enable, CRC disable
  3. Not Enabled or Not Configurable:
    1. Per-axis range configuration (all axes use same range)
    2. Temperature measurement
    3. Angle calculation (CORDIC)
    4. Threshold alerts
    5. Magnetic gain, offset trim
    6. Data rate configuration
TIDA-010997 Hall Effect Data Capture Figure 3-15 Hall Effect Data Capture