SLYS037A March   2023  – March 2024 TMAG6180-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Magnetic Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Magnetic Flux Direction
      2. 6.3.2 Sensors Location and Placement Tolerances
      3. 6.3.3 Magnetic Response
      4. 6.3.4 Parameters Definition
        1. 6.3.4.1 AMR Output Parameters
        2. 6.3.4.2 Transient Parameters
          1. 6.3.4.2.1 Power-On Time
        3. 6.3.4.3 Angle Accuracy Parameters
        4. 6.3.4.4 Hall Sensor Parameters
      5. 6.3.5 Automatic Gain Control (AGC)
      6. 6.3.6 Safety and Diagnostics
        1. 6.3.6.1 Device Level Checks
        2. 6.3.6.2 System Level Checks
    4. 6.4 Device Functional Modes
      1. 6.4.1 Operating Modes
        1. 6.4.1.1 Active Mode
        2. 6.4.1.2 Fault Mode
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Power Supply as the Reference for External ADC
      2. 7.1.2 AMR Output Dependence on Airgap Distance
      3. 7.1.3 Calibration of Sensor Errors
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Extending the Angle Range to 360 Degrees
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.2.2.1 Extending the Angle Range to 360 Degrees

GUID-20220705-SS0I-XTT3-ZRZL-RGKJPW3PKSMB-low.svg Figure 7-5 Magnetic Response for a 360° Input Field

Figure 7-5 shows the response of the differential-ended AMR output signals and the Hall outputs (Q1, Q0) for a 360° input magnetic field (BIN).

An example code for extending the angle range from 180 degrees to 360 degrees using the Q0, Q1 outputs is given below ;

MeasuredAngle = arctan2(SIN, COS)/2 ; //0-180° angle range , Multiply by 180/Pi if the angle is returned in radians

MeasuredAngle = 90 - MeasuredAngle // If arctan2 function returns from -90deg to 90deg angle range, then use this to convert to 0-180° angle range

if (MeasuredAngle is between 45°–135°) then

(

if (Q1_Q0 is 00b or 10b) then //around 90°

   AbsAngle = MeasuredAngle ;

else //Q1_Q0 is 11b or 01b, around 270°

   AbsAngle = MeasuredAngle + 180°;

)

else //MeasuredAngle is 0°–45° or 135°-180°

(

if (Q1_Q0 is 00b or 01b) then //around 0°

(

if (MeasuredAngle ≥ 135°) then

AbsAngle = MeasuredAngle + 180°;

      else  
        //MeasuredAngle is 0-45°

AbsAngle = MeasuredAngle;

)

   else   
        //2Digital is 10b or 11b, around 180°

(

if (MeasuredAngle ≥ 135°) then

AbsAngle = MeasuredAngle;

      else  
        //MeasuredAngle is 0-45°)

AbsAngle = MeasuredAngle + 180°;

)

)