Interface and connectivity

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Add value to your networks with CAN solutions that set the standard

As the leading supplier of CAN solutions, NXP continues to raise the performance level of this popular in-vehicle networking standard. Our HS-CAN transceiver portfolio addresses a variety of application and network topologies. With advanced functionality such as failure management and power saving, our drop-in upgrades and innovative new products deliver the performance needed by all high-speed CAN applications.

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Key features and benefits

  • Fully ISO 11898-2/ISO 11898-5 and ISO 11898-3 compliant
  • Lower operating/standby currents
  • Suitable for 12 V and 24 V systems
  • Smart power-up/down behavior
  • Low Electromagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)
  • No external ESD protection diode needed (±8kV IEC61000-4-2)
  • VIO input allows for direct interfacing with 3 V to 5 V microcontrollers
  • One component can be used in 12V and 24V systems
  • Ideal passive behavior to the CAN bus when the supply voltage is off
  • Drop-in replacement (pin-to-pin)

Key applications

  • Fuel injection
  • Gearbox and backbone bus
  • Engine diagnostics and exhaust emissions
  • Regulation
  • Sensors and positioning motors

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Descriptive summary

The Controller Area Network (CAN) bus is the primary automotive networking protocol for power train, backbone bus and body electronics. NXP has been recognized as the leading CAN innovator ever since our first industry-standard PCA82C250 transceiver set the benchmark for high-speed CAN. We now offer designers a comprehensive portfolio comprising automotive-grade transceivers for all CAN physical layer options (high-speed and fault-tolerant),stand-alone protocol controllers, System Basis Chips and the latest in IVN gateway ICs, delivering the performance and functionality needed for today’s wide variety of in-vehicle networking applications.

HS-CAN transceivers

At first only used for engine management networks, High-speed CAN is now commonly used throughout the car, including body and comfort and backbone applications. Addressing the specific requirements of larger and more complicated automotive CAN networks through continuous innovation, functionality such as failure management and low-power modes are now a key component of our HS-CAN transceiver family.

Fault-Tolerant CAN transceivers

Fault-Tolerant (FT) CAN physical layer maintains functionality in the case of a broken or shorted bus wire. This is of great importance in areas were such failures can occur, particularly seat, door, and roof nodes which are especially vulnerable. If such a fault condition occurs the FT-CAN node simply switches to single-wire operation. Automatic detection of bus system recovery then automatically returns the transceiver to differential mode when the failure has been cleared. In fact, during the definition of the ISO 11898-3 FT-CAN standard, the TJA1054 was used as the ‘golden device’ and became the de-facto FT-CAN transceiver standard due to its excellent performance on the road.

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