For security on TJA1042, TJA1044, TJA1049, go to Secure CAN TJA1152, for higher data rates on these devices, go to CAN SIC TJA1462.
The TJA1042 high-speed CAN transceiver provides an interface between a controller area network (CAN) protocol controller and the physical two-wire CAN bus. The transceiver is designed for high-speed CAN applications in the automotive industry, providing the differential transmit and receive capability to (a microcontroller with) a CAN protocol controller.
The TJA1042 belongs to the third generation of high-speed CAN transceivers from NXP Semiconductors, offering significant improvements over first- and second-generation devices such as the TJA1040.
The TJA1042 offers improved electromagnetic compatibility (EMC) and electrostatic discharge (ESD) performance, it features ideal passive behavior to the CAN bus when the supply voltage is off, a very low-current Standby mode with bus wake-up capability, and variants with a VIO pin can be interfaced directly with microcontrollers with supply voltages from 3.3 V to 5 V.
The TJA1042 implements the CAN physical layer as defined in ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5. This implementation enables reliable communication in the CAN FD fast phase at data rates up to 5 Mbit/s. The TJA1042B and TJA1042C feature shorter propagation delay, supporting larger network topologies.
Participating products are available for a minimum of 10 years. Designated participating products developed for the automotive, telecom and medical segments are available for a minimum of 15 years.
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Part | Order | CAD Model | Status | Recommended Orderable Part Number | MCU I/O Interface (V) | Low Power Modes | Data Rate [max] kbps | Package Type | CAN Channels | Product Category | Supply Voltage [Min to Max] (V) | Data Rate [min] kbps | Voltage on bus pins [Min-Max] (V) | VESD IEC on bus pins (+/- kV) | VESD HBM on bus pins (+/- kV) | VIO Option Available | Junction Temperature (Max) (℃) | Protection | Wake-Up Pin | Min High Input Levels (V) [Vio] | GPIO | Supported standards | SPLIT Pin | Thermal Resistance (Spec) (℃/W) | Product Application |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Active | TJA1042BT | 3.3, 5.0 | Standby Mode | 5000.0 | SO8 | 1 | CAN FD / High-Speed CAN | 4.5 to 5.5 | 40.0 | -58 to 58 | -8 to 8 | -8 to 8 | Y | 150 | TXD dominant timeout, overtemperature detection, undervoltage detection | N | 0.7 | — | ISO-11898-2:2016, SAE J2284-1, SAE J2284-2, SAE J2284-3, SAE J2284-4, SAE J2284-5 | N | 145 | Automotive, Industrial | |||
Active | — | — | Standby Mode | 5000.0 | SO8 | 1 | CAN FD / High-Speed CAN | 4.5 to 5.5 | 40.0 | -58 to 58 | -8 to 8 | -8 to 8 | Y | 150 | TXD dominant timeout, overtemperature detection, undervoltage detection | N | 0.7 | — | ISO-11898-2:2016, SAE J2284-1, SAE J2284-2, SAE J2284-3, SAE J2284-4, SAE J2284-5 | Y | 145 | Automotive, Industrial | |||
Active | TJA1042TK/3/2Z | 3.3, 5.0 | Standby Mode | 5000.0 | HVSON8 | 1 | CAN FD / High-Speed CAN | 4.5 to 5.5 | 40.0 | -58 to 58 | -8 to 8 | -8 to 8 | Y | 150 | TXD dominant timeout, overtemperature detection, undervoltage detection | N | 0.7 | 8 | ISO-11898-2:2016, SAE J1939-14, SAE J2284-1, SAE J2284-2, SAE J2284-3, SAE J2284-4, SAE J2284-5 | N | 50 | Automotive, Industrial |
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