ZHCSP76 November   2021 TMAG5124-Q1

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Device Comparison
  7. Pin Configuration and Functions
  8. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Magnetic Characteristics
    7. 7.7 Typical Characteristics
      1. 7.7.1 TMAG5124A and TMAG5124E
      2. 7.7.2 TMAG5124B and TMAG5124F
      3. 7.7.3 TMAG5124C and TMAG5124G
      4. 7.7.4 TMAG5124D and TMAG5124H
      5. 7.7.5 Current Output Level
        1. 7.7.5.1 Low-Level Current Output for TMAG5124A/B/C/D
        2. 7.7.5.2 Low-Level Current Output for TMAG5124E/F/G/H
        3. 7.7.5.3 High-Level Current Output for Every Version
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Field Direction Definition
      2. 8.3.2 Device Output
      3. 8.3.3 Protection Circuits
        1. 8.3.3.1 Load Dump Protection
        2. 8.3.3.2 Reverse Polarity Protection
      4. 8.3.4 Power-On Time
      5. 8.3.5 Hall Element Location
      6. 8.3.6 Propagation Delay
      7. 8.3.7 Chopper Stabilization
    4. 8.4 Device Functional Modes
  10. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 High-Side and Low-Side Typical Application Diagrams
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
  11. 10Power Supply Recommendations
    1. 10.1 Power Derating
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Documentation Support
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  14. 13Mechanical, Packaging, and Orderable Information

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Application Information

The TMAG5124 is typically used in magnetic-field sensing applications to detect the proximity of a magnet. The magnet is often attached to a movable component in the system.

The TMAG5124 is a Hall sensor that uses current as the signal of interest. Unlike voltage signals, current signals are much more robust for common problems voltages face in electrical systems, such as voltage source fluctuations and source impedance. A major factor that often leads to the choice of a current signal device is immunity to loop impedance, meaning the signal is capable of being transmitted long distances with ease. To accomplish this, the device requires a termination resistor at the end of the path for interfacing the reconstructed voltage to an input, such as a comparator. Also, diagnostic tools are easily implemented, as disconnects in the loop are easily detected due to a lack of signal.