SLLSFQ6A December   2022  – June 2024 TCAN3403-Q1 , TCAN3404-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings, IEC Transients
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Characteristics
    6. 6.6  Supply Characteristics
    7. 6.7  Dissipation Ratings
    8. 6.8  Electrical Characteristics
    9. 6.9  Switching Characteristics
    10. 6.10 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Pin Description
        1. 8.3.1.1 TXD
        2. 8.3.1.2 GND
        3. 8.3.1.3 VCC
        4. 8.3.1.4 RXD
        5. 8.3.1.5 VIO (TCAN3403-Q1 only)
        6. 8.3.1.6 CANH and CANL
        7. 8.3.1.7 STB (Standby)
        8. 8.3.1.8 SHDN (Shutdown)
      2. 8.3.2 CAN Bus States
      3. 8.3.3 TXD Dominant Timeout (DTO)
      4. 8.3.4 CAN Bus short-circuit current limiting
      5. 8.3.5 Thermal Shutdown (TSD)
      6. 8.3.6 Undervoltage Lockout
      7. 8.3.7 Unpowered Device
      8. 8.3.8 Floating pins
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operating Modes
      2. 8.4.2 Normal Mode
      3. 8.4.3 Standby Mode
        1. 8.4.3.1 Remote Wake Request via Wake-Up Pattern (WUP) in Standby Mode
      4. 8.4.4 Shutdown Mode
      5. 8.4.5 Driver and Receiver Function
  10. 9 Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 CAN Termination
      2. 9.2.2 Detailed Design Procedures
        1. 9.2.2.1 Bus Loading, Length and Number of Nodes
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 ISO 11898-2 Compatibility of TCAN340x-Q1 Family of 3.3V CAN Transceivers
        1. 9.3.1.1 Introduction
        2. 9.3.1.2 Differential Signal
        3. 9.3.1.3 Common-Mode Signal
        4. 9.3.1.4 Interoperability of 3.3V CAN in 5V CAN Systems
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)

8.4.5 Driver and Receiver Function

The TCAN340x-Q1 logic I/Os support CMOS levels with respect to either VCC for 3.3V systems (TCAN3404-Q1) or VIO (TCAN3403-Q1) for compatibility with MCUs that support 1.8V, 2.5V, or 3.3V systems.

Table 8-5 Driver Function Table
Device Mode TXD Input(1) Bus Outputs Driven Bus State(2)
CANH CANL
Normal Low High Low Dominant
High or open High impedance High impedance Biased recessive
Standby X High impedance High impedance Biased to ground
Shutdown X High impedance High impedance Biased to ground
(1) X = irrelevant
(2) For bus state and bias see Figure 8-2 and Figure 8-3
Table 8-6 Receiver Function Table Normal and Standby Mode
Device Mode CAN Differential Inputs VID = VCANH – VCANL Bus State RXD Pin
Normal VID ≥ 0.9V Dominant Low
0.5V < VID < 0.9V Undefined Undefined

VID ≤ 0.5V

 Recessive High
Standby VID ≥ 1.15V Dominant High
Low if a remote wake event occurred
See Figure 8-5
0.4V < VID < 1.15V Undefined
VID ≤ 0.4V Recessive
Any Open (VID ≈ 0V) Open High