SLVUDA7 September   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  6. 2Hardware
    1.     Jumper Information
  7. 3EVM Setup and Operation
    1. 3.1 Overview and Basic Operation Settings
      1. 3.1.1  Power Supply Inputs VBAT, VCC, VIO, VDD and 5VLED
      2. 3.1.2  Getting Started - An Example of A Quick EVM Setup
      3. 3.1.3  I/O Headers (J1, J3, J11, J16, J17)
      4. 3.1.4  Pin 14 of the 14-Pin Transceiver (Pin 8 of the 8-Pin Transceiver)
      5. 3.1.5  TXD Input
      6. 3.1.6  RXD Output
      7. 3.1.7  Pin 11 of the 14-Pin Transceiver (Pin 5 of the 8-Pin Transceiver)
      8. 3.1.8  Pin 6
      9. 3.1.9  Pin 8 of the 14-Pin Transceiver
      10. 3.1.10 Pin 7
      11. 3.1.11 WAKE Pin
      12. 3.1.12 Using CAN Bus Load, Termination, and Protection Configurations
        1. 3.1.12.1 CAN FDL Responder Configurations
  8. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  9. 5Additional Information
    1. 5.1 Trademarks

3.1.12 Using CAN Bus Load, Termination, and Protection Configurations

The TCAN5102-Q1 CAN FDL EVM is populated with one 120Ω resistor selectable via jumper, between CANH and CANL, and the 120Ω split termination (two 60Ω resistors in series) including the split capacitor. When using only split termination, the EVM is used as a terminated end of a bus. For electrical measurements to represent the total loading of the bus, use both the split termination and the 120Ω resistor in parallel to give the standard 60Ω load for parametric measurement. Table 3-4 summarizes how to use these termination options.

Table 3-4 Bus Termination Configuration
Termination

Configuration

Termination JumpersSplit Termination

Resistors

Split Termination Capacitor
JumperJ4J5J6R7R8C2
No terminationOpenOpenOpenNot availableNot availableNot available
120Ω standard terminationOpenShortedOpen
60Ω loadShortedShortedShorted
Split termination
(common mode stabilization)		ShortedOpenShorted60Ω60Ω4.7nF

The EVM also has footprints for various protection schemes to enhance robustness for extreme system-level EMC requirements. Table 3-5 summarizes these options.

Table 3-5 Protection and Filtering Configuration
ConfigurationFootprint ReferenceUse CasePopulation and Description
Series resistors or common mode choke (CMC)R5/R9Connects the CAN transceiver to the CAN busR5 and R9 populated with 0Ω (default population)
Series resistance protectionR5 and R9 populated with MELF resistor as necessary for harsh EMC environment.
L1 (common footprint)CMC (bus filter)L1 can be populated with CMC to filter noise (necessary for harsh EMC environment).

Remove R5 and R9 to populate L1.

Bus filtering caps transient protectionC1/C3Bus filterFilter noise as necessary (for harsh EMC environment). Use filter caps in combination with L1 CMC.
D1Transient and ESD protectionD1 populated with ESD2CAN24-Q1

(adding extra protection for system level transients and ESD)