ZHCSGC4D March   2016  – April 2021 TCAN1051-Q1 , TCAN1051G-Q1 , TCAN1051GV-Q1 , TCAN1051H-Q1 , TCAN1051HG-Q1 , TCAN1051HGV-Q1 , TCAN1051HV-Q1 , TCAN1051V-Q1

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 ESD Ratings, Specifications
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Thermal Information
    6. 6.6 Power Rating
    7. 6.7 Electrical Characteristics
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 TXD Dominant Timeout (DTO)
      2. 8.3.2 Thermal Shutdown (TSD)
      3. 8.3.3 Undervoltage Lockout
      4. 8.3.4 Unpowered Device
      5. 8.3.5 Floating Terminals
      6. 8.3.6 CAN Bus Short Circuit Current Limiting
      7. 8.3.7 Digital Inputs and Outputs
        1. 8.3.7.1 5-V VCC Only Devices (Devices without the "V" Suffix):
        2. 8.3.7.2 5 V VCC with VIO I/O Level Shifting (Devices with the "V" Suffix):
    4. 8.4 Device Functional Modes
      1. 8.4.1 CAN Bus States
      2. 8.4.2 Normal Mode
      3. 8.4.3 Silent Mode
      4. 8.4.4 Driver and Receiver Function Tables
  9. Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Bus Loading, Length and Number of Nodes
      2. 9.2.2 Detailed Design Procedures
        1. 9.2.2.1 CAN Termination
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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Undervoltage Lockout

The supply terminals have undervoltage detection that places the device in protected mode. This protects the bus during an undervoltage event on either the VCC or VIO supply terminals.

Table 8-1 Undervoltage Lockout 5 V Only Devices (Devices without the "V" Suffix)
VCCDEVICE STATE(1)BUS OUTPUTRXD
> UVVCCNormalPer TXDMirrors Bus(2)
< UVVCCProtectedHigh ImpedanceHigh Impedance
See the VIT section of the Electrical Characteristics.
Mirrors bus state: low if CAN bus is dominant, high if CAN bus is recessive.
Table 8-2 Undervoltage Lockout I/O Level Shifting Devices (Devices with the "V" Suffix)
VCCVIODEVICE STATEBUS OUTPUTRXD
> UVVCC> UVVIONormalPer TXDMirrors Bus(1)
< UVVCC> UVVIOProtectedHigh ImpedanceHigh (Recessive)
> UVVCC< UVVIOProtectedHigh ImpedanceHigh Impedance
< UVVCC< UVVIOProtectedHigh ImpedanceHigh Impedance
Mirrors bus state: low if CAN bus is dominant, high if CAN bus is recessive.
Note:

After an undervoltage condition is cleared and the supplies have returned to valid levels, the device typically resumes normal operation within 50 µs.