TJA1145AT/FD/0Z datasheet by NXP Semiconductors

TJA1145AT/FD/0Z Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the TJA1145AT/FD/0Z?
  A good PCB layout for the TJA1145AT/FD/0Z involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces connected to the high-frequency pins. A 4-layer PCB with a dedicated ground plane is recommended.
• How do I ensure electromagnetic compatibility (EMC) with the TJA1145AT/FD/0Z?
  To ensure EMC, use a shielded enclosure, keep the PCB away from other components that may interfere with the CAN bus, and use a common-mode choke to filter out electromagnetic interference (EMI).
• What is the maximum cable length supported by the TJA1145AT/FD/0Z?
  The maximum cable length supported by the TJA1145AT/FD/0Z is 40 meters, assuming a transmission rate of 1 Mbps and a cable with a characteristic impedance of 120 ohms.
• How do I troubleshoot CAN bus issues with the TJA1145AT/FD/0Z?
  To troubleshoot CAN bus issues, use a CAN bus analyzer to monitor the bus traffic, check the termination resistors, and verify that the bit rate and node addresses are correctly configured.
• Can I use the TJA1145AT/FD/0Z in a fault-tolerant CAN bus system?
  Yes, the TJA1145AT/FD/0Z can be used in a fault-tolerant CAN bus system by implementing a redundant CAN bus architecture and using the transceiver's built-in fault detection and reporting capabilities.