ZHCSQ22C July   2009  – June 2022 SN65HVDA195-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
  7. 7 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 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Local Interconnect Network (LIN) Bus
        1. 9.3.1.1 Transmitter Characteristics
        2. 9.3.1.2 Receiver Characteristics
      2. 9.3.2 Transmit Input (TXD)
      3. 9.3.3 Receive Output (RXD)
        1. 9.3.3.1 RXD Wake-Up Request
      4. 9.3.4 Supply Voltage (VSUP)
      5. 9.3.5 Ground (GND)
      6. 9.3.6 Enable Input (EN)
      7. 9.3.7 NWake Input (NWake)
      8. 9.3.8 Inhibit Output (INH)
    4. 9.4 Device Functional Modes
      1. 9.4.1 Operating Modes
      2. 9.4.2 Normal Mode
      3. 9.4.3 Sleep Mode
      4. 9.4.4 Wake-Up Events
      5. 9.4.5 Standby Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Typical Application
        1. 10.1.1.1 Design Requirements
        2. 10.1.1.2 Detailed Design Procedure
        3. 10.1.1.3 Application Curves
      2.      Power Supply Recommendations
      3. 10.1.2 Layout
        1. 10.1.2.1 Layout Guidelines
        2. 10.1.2.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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9.3.1.1 Transmitter Characteristics

The driver is a low-side transistor with internal current limitation and thermal shutdown. There is an internal 30-kΩ pullup resistor with a serial diode structure to VSUP, so no external pullup components are required for LIN responder mode applications. An external pullup resistor of 1 kΩ, plus a series diode to VSUP must be added when the device is used for commander node applications.

Voltage on LIN can go from –40-V to 40-V DC without any currents other than through the pullup resistance. There are no reverse currents from the LIN bus to supply (VSUP), even in the event of a ground shift or loss of supply (VSUP).

The LIN thresholds and AC parameters are LIN Protocol Specification Revision 2.0 compliant.

During a thermal shut down condition, the driver is disabled.