ZHCSIR6C September   2018  – February 2022 TCAN1046V-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 - IEC Ratings
    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
  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 Pin Description
        1. 8.3.1.1 TXD1 and TXD2
        2. 8.3.1.2 GND1 and GND2
        3. 8.3.1.3 VCC
        4. 8.3.1.4 RXD1 and RXD2
        5. 8.3.1.5 VIO
        6. 8.3.1.6 CANH and CANL
        7. 8.3.1.7 STB1 and STB2 (Standby)
      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 Driver and Receiver Function
  9. Application and Implementation
    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
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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Driver and Receiver Function

The digital logic input and output levels for the TCAN1046V-Q1 are CMOS levels with respect to VIO for compatibility with protocol controllers having 1.8 V, 2.5 V, 3.3 V, or 5 V I/O levels.

Table 8-4 Driver Function Table
Device Mode TXD Input(2) 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
X = irrelevant
For bus state and bias see Figure 8-2 and Figure 8-3
Table 8-5 Receiver Function Table Normal and Standby Mode
Device Mode CAN Differential Inputs
VID = VCANH – VCANL
Bus State RXD Pin
Normal VID ≥ 0.9 V Dominant Low
0.5 V < VID < 0.9 V Undefined Undefined
VID ≤ 0.5 V Recessive High
Standby VID ≥ 1.15 V Dominant High
Low if a remote wake event occurred
See Figure 8-5
0.4 V < VID < 1.15 V Undefined
VID ≤ 0.4 V Recessive
Any Open (VID ≈ 0 V) Open High