TJA1042T/CM,118 Integrated Circuits (ICs)

Introduction

The TJA1042T/CM transceiver module is a reliable solution for automotive automotive networking. It is optimized for CAN (Controller Area Network) physical layers, as well as LIN (Local Interconnect Network) and other control applications. It uses DC-balanced Manchester coding to differentiate between realistic and random signals on the interface. In addition, it contains advanced protection against short circuits, high temperatures, and electromagnetic interference (EMI). This article will discuss the 118 application field and working principle of this transceiver module.

118 application field of the TJA1042T/CM transceiver module

The TJA1042T/CM transceiver module is versatile and can be used for a wide variety of applications. It is an ideal solution for automotive ECUs, CAN-to-USB converters, and automotive diagnostic systems. It is IO-Link capable, and provides for immunity to EMI, ESD, EFT and surge events. Additionally, it can be used for vehicle diagnostic and communication applications, including CAN bus and LIN bus communications, active braking control, and airbag control systems. It also provides robust signal integrity, performance and signal robustness in low speed and harsh environment applications.

Working principle of the TJA1042T/CM transceiver module

The TJA1042T/CM transceiver module is an integrated physical layer device that contains several advanced features. It provides a two-wire interface, which is used to transmit and receive digital data on an automotive bus or other control networks. The module is capable of operating at speeds up to 1 Mbit/s, and is compliant with IS0 11898-3 and IS0 11898-1. It uses a dual differential transceiver design to provide robust signal transmission, compatible with CAN-FD as well as single wire CAN/LIN/MOST networks. The module automatically switches between different power modes, relying on its integrated regulator for operation.

In addition, the module features diagnostic capability, which can detect bus events such as bus errors, bit errors, packet errors, and message loss. The module contains several filters to reduce its susceptibility to EMI and other types of interference. It also features potential-protected pins for increased stability, as well as thermal protection to prevent overheating. Finally, the module can be stimulated by external power supplies, such as vehicle batteries.

Conclusion

The TJA1042T/CM transceiver module is a reliable solution for automotive networking and control applications. It is optimized for CAN (Controller Area Network) and LIN (Local Interconnect Network) physical layers, and provides advanced protection against short circuits, high temperatures, and electromagnetic interference (EMI). This article discussed the 118 application field and working principle of this transceiver module.