JAJSO83B May   2024  – October 2024 THVD2410V-EP , THVD2450V-EP , THVD2452V-EP

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  ESD Ratings [IEC]
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Thermal Information
    6. 5.6  Power Dissipation
    7. 5.7  Electrical Characteristics
    8. 5.8  Switching Characteristics - 250 kbps
    9. 5.9  Switching Characteristics - 1 Mbps
    10. 5.10 Switching Characteristics - 20 Mbps
    11. 5.11 Switching Characteristics - 50 Mbps
    12. 5.12 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 ±70-V Fault Protection
      2. 7.3.2 Integrated IEC ESD and EFT Protection
      3. 7.3.3 Driver Overvoltage and Overcurrent Protection
      4. 7.3.4 Enhanced Receiver Noise Immunity
      5. 7.3.5 Receiver Fail-Safe Operation
      6. 7.3.6 Low-Power Shutdown Mode
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Data Rate and Bus Length
        2. 8.2.1.2 Stub Length
        3. 8.2.1.3 Bus Loading
        4. 8.2.1.4 Transient Protection
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 サード・パーティ製品に関する免責事項
    2. 9.2 ドキュメントの更新通知を受け取る方法
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

8.2.2 Detailed Design Procedure

Figure 8-6 suggests a protection circuit against 1kV surge (IEC 61000-4-5) transients. Table 8-1 shows the associated bill of materials. SMAJ30CA TVS diodes are rated to operate up to 30V. This makes sure the protection diodes do not conduct if a direct RS-485 bus shorts to 24V DC industrial power rail.

THVD2410V-EP THVD2450V-EP THVD2452V-EP Transient Protection Against Surge Transients for Half-Duplex DevicesFigure 8-6 Transient Protection Against Surge Transients for Half-Duplex Devices
Table 8-1 Components List
DEVICEFUNCTIONORDER NUMBERMANUFACTURER(1)
XCVRRS-485 transceiverTHVD2410V-EP

Or THVD2450V-EP

TI
TVSBidirectional 400-W transient suppressorSMAJ30CALittelfuse