ZHCSQV1C March   2020  – December 2022 TCAN1463-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  ESD Ratings - IEC Specifications
    4. 7.4  Recommended Operating Conditions
    5. 7.5  Thermal Information
    6. 7.6  Power Dissipation Ratings
    7. 7.7  Power Supply Characteristics
    8. 7.8  Electrical Characteristics
    9. 7.9  Timing Requirements
    10. 7.10 Switching Characteristics
    11. 7.11 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
      1. 9.1.1 Signal Improvement
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Supply Pins
        1. 9.3.1.1 VSUP Pin
        2. 9.3.1.2 VCC Pin
        3. 9.3.1.3 VIO Pin
      2. 9.3.2 Digital Inputs and Outputs
        1. 9.3.2.1 TXD Pin
        2. 9.3.2.2 RXD Pin
        3. 9.3.2.3 nFAULT Pin
        4. 9.3.2.4 EN Pin
        5. 9.3.2.5 nSTB Pin
        6. 9.3.2.6 INH_MASK Pin
      3. 9.3.3 GND
      4. 9.3.4 INH Pin
      5. 9.3.5 WAKE Pin
      6. 9.3.6 CAN Bus Pins
      7. 9.3.7 Faults
        1. 9.3.7.1 Internal and External Fault Indicators
          1. 9.3.7.1.1 Power-Up (PWRON Flag)
          2. 9.3.7.1.2 Wake-Up Request (WAKERQ Flag)
          3. 9.3.7.1.3 Undervoltage Faults
            1. 9.3.7.1.3.1 Undervoltage on VSUP
            2. 9.3.7.1.3.2 Undervoltage on VCC
            3. 9.3.7.1.3.3 Undervoltage on VIO
          4. 9.3.7.1.4 CAN Bus Fault (CBF Flag)
          5. 9.3.7.1.5 TXD Clamped Low (TXDCLP Flag)
          6. 9.3.7.1.6 TXD Dominant State Timeout (TXDDTO Flag)
          7. 9.3.7.1.7 TXD Shorted to RXD Fault (TXDRXD Flag)
          8. 9.3.7.1.8 CAN Bus Dominant Fault (CANDOM Flag)
      8. 9.3.8 Local Faults
        1. 9.3.8.1 TXD Clamped Low (TXDCLP)
        2. 9.3.8.2 TXD Dominant Timeout (TXD DTO)
        3. 9.3.8.3 Thermal Shutdown (TSD)
        4. 9.3.8.4 Undervoltage Lockout (UVLO)
        5. 9.3.8.5 Unpowered Devices
        6. 9.3.8.6 Floating Terminals
        7. 9.3.8.7 CAN Bus Short-Circuit Current Limiting
    4. 9.4 Device Functional Modes
      1. 9.4.1 Operating Mode Description
        1. 9.4.1.1 Normal Mode
        2. 9.4.1.2 Silent Mode
        3. 9.4.1.3 Standby Mode
        4. 9.4.1.4 Go-To-Sleep Mode
        5. 9.4.1.5 Sleep Mode
          1. 9.4.1.5.1 Remote Wake Request via Wake-Up Pattern (WUP)
          2. 9.4.1.5.2 Local Wake-Up (LWU) via WAKE Input Terminal
      2. 9.4.2 CAN Transceiver
        1. 9.4.2.1 CAN Transceiver Operation
          1. 9.4.2.1.1 CAN Transceiver Modes
            1. 9.4.2.1.1.1 CAN Off Mode
            2. 9.4.2.1.1.2 CAN Autonomous: Inactive and Active
            3. 9.4.2.1.1.3 CAN Active
          2. 9.4.2.1.2 Driver and Receiver Function Tables
          3. 9.4.2.1.3 CAN Bus States
  10. 10Application Information Disclaimer
    1. 10.1 Application Information
      1. 10.1.1 Typical Application
      2. 10.1.2 Design Requirements
        1. 10.1.2.1 Bus Loading, Length and Number of Nodes
      3. 10.1.3 Detailed Design Procedure
        1. 10.1.3.1 CAN Termination
      4. 10.1.4 Application Curves
      5. 10.1.5 Power Supply Recommendations
      6. 10.1.6 Layout
        1. 10.1.6.1 Layout Guidelines
        2. 10.1.6.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 商标
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息
9.4.2.1.1.2 CAN Autonomous: Inactive and Active

When the CAN transceiver is in standby, go-to-sleep or sleep mode, the bias circuit can be in either the CAN autonomous inactive or CAN autonomous active state. In the autonomous inactive state, the CAN pins are biased to GND. When a remote wake-up (WUP) event occurs, the CAN bus is biased to 2.5 V and the CAN transceiver enters the CAN autonomous active state. If the controller does not transition the transceiver into normal mode before the tSILENCE timer expires, the CAN transceiver enters the CAN autonomous inactive state.

The CAN transceiver switches to the CAN autonomous mode if any of the following conditions are met:

  • The operating mode changes from CAN off mode to CAN autonomous inactive
  • The operating mode changes from normal or silent mode to standby, go-to-sleep, or sleep mode:
    • If the bus was inactive for t < tSILENCE before the mode change, the transceiver enters autonomous active state
    • If the bus was inactive for t > tSILENCE before the mode change, the transceiver enters autonomous inactive state
  • VCC < UVCC(F)
  • VIO < UVIO(F)

The CAN transceiver switches from the CAN autonomous inactive mode to the CAN autonomous active mode if:

  • A remote wake-up event occurs
  • The transceiver transitions to normal or silent mode and VCC < UVCC(F) or VIO < UVIO(F)

The CAN transceiver switches from the CAN autonomous active mode to the CAN autonomous inactive mode if:

  • The transceiver is in standby, go-to-sleep, or sleep mode and t > tSILENCE
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