SLLSF31B June   2025  – July 2025 TCAN1162-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configurations and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 ESD Ratings IEC Specification
    4. 5.4 Recomended Operating Conditions
    5. 5.5 Thermal Information
    6. 5.6 Power Supply Characteristics
    7. 5.7 Electrical Characteristics
    8. 5.8 Switching Characteristics
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  VSUP Pin
      2. 7.3.2  VFLT Pin
      3. 7.3.3  Digital Inputs and Outputs
      4. 7.3.4  Digital Control and Timing
      5. 7.3.5  VIO Pin
      6. 7.3.6  GND
      7. 7.3.7  INH Pin
      8. 7.3.8  WAKE Pin
      9. 7.3.9  CAN Bus Pins
      10. 7.3.10 Local Faults
        1. 7.3.10.1 TXD Dominant Timeout (TXD DTO)
        2. 7.3.10.2 Thermal Shutdown (TSD)
        3. 7.3.10.3 Under/Over Voltage Lockout
        4. 7.3.10.4 Unpowered Devices
        5. 7.3.10.5 Floating Terminals
        6. 7.3.10.6 CAN Bus Short Circuit Current Limiting
        7. 7.3.10.7 Sleep Wake Error Timer
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operating Mode Description
        1. 7.4.1.1 Normal Mode
        2. 7.4.1.2 Standby Mode
        3. 7.4.1.3 Sleep Mode
          1. 7.4.1.3.1 Remote Wake Request via Wake-Up Pattern (WUP)
          2. 7.4.1.3.2 Local Wake-Up (LWU) via WAKE Input Terminal
        4. 7.4.1.4 Fail-safe Mode
      2. 7.4.2 CAN Transceiver
        1. 7.4.2.1 CAN Transceiver Operation
        2. 7.4.2.2 CAN Transceiver Modes
          1. 7.4.2.2.1 CAN Off Mode
          2. 7.4.2.2.2 CAN Autonomous: Inactive and Active
          3. 7.4.2.2.3 CAN Active
        3. 7.4.2.3 Driver and Receiver Function Tables
        4. 7.4.2.4 CAN Bus States
  9. 8 Application Information
    1. 8.1 Application Information Disclaimer
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Bus Loading, Length and Number of Nodes
      2. 8.2.2 Detailed Design Procedures
        1. 8.2.2.1 CAN Termination
    3. 8.3 Application Curves
    4. 8.4 Power Supply Requirements
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

7.4.1.4 Fail-safe Mode

Fail-safe mode is a low power mode in which the TCAN1162-Q1 is in a protected state. While in fail-safe mode the internal regulator (VFLT) is off, the INH pin is off, and the CAN transmitter and receiver are off.

Fail-safe mode is entered if:

  • TJ > TSDR
  • VVFLT > OVFLTR

Fail-safe mode is exited if all of the following criteria are met:

  • TJ < TSDF
  • VVFLT < OVFLTF
  • A valid wake-up event exists

If the fault condition is not cleared within tINACTIVE, then the device transitions into the lowest power mode, sleep mode.