ZHCSPC3A May   2021  – November 2021 TCAN11623-Q1 , TCAN11625-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 Configurations and Functions (TCAN11625)
  7. 7 Pin Configurations and Functions (TCAN11623)
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 ESD Ratings IEC Specification
    4. 8.4 Recomended Operating Conditions
    5. 8.5 Thermal Information
    6. 8.6 Power Supply Characteristics
    7. 8.7 Electrical Characteristics
    8. 8.8 Switching Characteristics
    9. 8.9 Typical Characteristics
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1  VSUP Pin
      2. 10.3.2  VCCOUT Pin
      3. 10.3.3  VFLT Pin
      4. 10.3.4  VLDO3 Pin
      5. 10.3.5  Digital Inputs and Outputs
        1. 10.3.5.1 TXD Pin
        2. 10.3.5.2 RXD Pin
        3. 10.3.5.3 TS Pin
      6. 10.3.6  Digital Control and Timing
      7. 10.3.7  VIO Pin
      8. 10.3.8  GND
      9. 10.3.9  INH Pin
      10. 10.3.10 WAKE Pin
      11. 10.3.11 nRST Pin
      12. 10.3.12 CAN Bus Pins
      13. 10.3.13 Local Faults
        1. 10.3.13.1 TXD Dominant Timeout (TXD DTO)
        2. 10.3.13.2 Thermal Shutdown (TSD)
        3. 10.3.13.3 Under/Over Voltage Lockout
        4. 10.3.13.4 Unpowered Devices
        5. 10.3.13.5 Floating Terminals
        6. 10.3.13.6 CAN Bus Short Circuit Current Limiting
        7. 10.3.13.7 Sleep Wake Error Timer
    4. 10.4 Device Functional Modes
      1. 10.4.1 Operating Mode Description
        1. 10.4.1.1 Normal Mode
        2. 10.4.1.2 Standby Mode
        3. 10.4.1.3 Sleep Mode
          1. 10.4.1.3.1 Remote Wake Request via Wake-Up Pattern (WUP)
          2. 10.4.1.3.2 Local Wake-Up (LWU) via WAKE Input Terminal
        4. 10.4.1.4 Reset Mode
        5. 10.4.1.5 Fail-safe Mode
      2. 10.4.2 CAN Transceiver
        1. 10.4.2.1 CAN Transceiver Operation
        2. 10.4.2.2 CAN Transceiver Modes
          1. 10.4.2.2.1 CAN Off Mode
          2. 10.4.2.2.2 CAN Autonomous: Inactive and Active
          3. 10.4.2.2.3 CAN Active
        3. 10.4.2.3 Driver and Receiver Function Tables
        4. 10.4.2.4 CAN Bus States
  11. 11Application Information
    1. 11.1 Application Information Disclaimer
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
        1. 11.2.1.1 Bus Loading, Length and Number of Nodes
      2. 11.2.2 Detailed Design Procedures
        1. 11.2.2.1 CAN Termination
    3. 11.3 Application Curves
  12. 12Power Supply Requirements
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Documentation Support
      1. 14.1.1 Related Documentation
    2. 14.2 接收文档更新通知
    3. 14.3 支持资源
    4. 14.4 Trademarks
    5. 14.5 Electrostatic Discharge Caution
    6. 14.6 术语表
  15. 15Mechanical, Packaging, and Orderable Information

12 Power Supply Requirements

The TCAN1162x-Q1 is designed to operate from a VSUP input supply voltage range between 5.5 V and 28 V. The TCAN1162x-Q1 also has an output level shifting supply input, VIO, designed for a range between 1.7 V and 5.5 V. Input supplies must be well regulated. A bypass capacitance, typically 100 nF, should be placed close to the device VSUP and VIO supply pins. This helps to reduce supply voltage ripple present on the outputs of the switched-mode power supplies and also helps to compensate for the resistance and inductance of the PCB power planes and traces.

The TCAN11625 integrates a 5-V LDO to supply the CAN transceiver as well as additional external loads. The VCCOUT pin requires a 10 µF capacitance.

The TCAN11623 integrates a 5-V LDO to supply the CAN transceiver and a 3.3-V LDO for additional external loads. The VFLT pin requires a 10 µF capacitance and the VLDO3 pin typically uses a capacitance value of 4.7uF.
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