SLLSFW8A June   2024  – December 2024 TCAN1472-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 Transients
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Thermal Characteristics
    6. 5.6  Supply Characteristics
    7. 5.7  Dissipation Ratings
    8. 5.8  Electrical Characteristics
    9. 5.9  Switching Characteristics
    10. 5.10 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Signal Improvement
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Pin Description
        1. 7.3.1.1 TXD
        2. 7.3.1.2 GND
        3. 7.3.1.3 VCC
        4. 7.3.1.4 RXD
        5. 7.3.1.5 VIO (TCAN1472V-Q1 only)
        6. 7.3.1.6 CANH and CANL
        7. 7.3.1.7 STB (Standby)
      2. 7.3.2 CAN Bus States
      3. 7.3.3 TXD Dominant Timeout (DTO)
      4. 7.3.4 CAN Bus Short-circuit Current Limiting
      5. 7.3.5 Thermal Shutdown (TSD)
      6. 7.3.6 Undervoltage Lockout
      7. 7.3.7 Unpowered Device
      8. 7.3.8 Floating pins
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operating Modes
      2. 7.4.2 Normal Mode
      3. 7.4.3 Standby Mode
        1. 7.4.3.1 Remote Wake Request via Wake-Up Pattern (WUP) in Standby Mode
      4. 7.4.4 Driver and Receiver Function
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 CAN Termination
      2. 8.2.2 Detailed Design Procedures
        1. 8.2.2.1 Bus Loading, Length and Number of Nodes
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
    4. 8.4 Power Supply Recommendations
    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

Package Options

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

7.4.4 Driver and Receiver Function

The digital logic input and output levels for the TCAN1472-Q1 are CMOS levels with respect to VCC. For TCAN1472V-Q1, these are referred to VIO for compatibility with MCUs having 1.8V, 2.5V, 3.3V, or 5V supply.

Table 7-5 Driver Function Table
Device ModeTXD Input(1)Bus OutputsDriven Bus State(2)
CANHCANL
NormalLowHighLowDominant
High or openHigh impedanceHigh impedanceBiased recessive
StandbyXHigh impedanceHigh impedanceBiased to ground
(1) X = irrelevant
(2) For bus state and bias see Figure 7-4 and Figure 7-5.
Table 7-6 Receiver Function Table Normal and Standby Mode
Device ModeCAN Differential Inputs
VID = VCANH – VCANL		Bus StateRXD Pin
NormalVID ≥ 0.9VDominantLow
0.5V < VID < 0.9VUndefinedUndefined
VID ≤ 0.5VRecessiveHigh
StandbyVID ≥ 1.15VDominantHigh
Low if a remote wake event occurred. See Figure 7-7
0.4V < VID < 1.15VUndefined
VID ≤ 0.4VRecessive
AnyOpen (VID ≈ 0V)OpenHigh