Overview
The TJA1055T/3/2Z is an enhanced fault-tolerant CAN (Controller Area Network) transceiver manufactured by NXP USA Inc. This device is primarily designed for low-speed CAN applications up to 125 kBd, particularly in passenger cars. It serves as the interface between the protocol controller and the physical bus wires, providing differential receive and transmit capabilities. The TJA1055T/3/2Z also features automatic switching to single-wire transmitter and/or receiver in error conditions, ensuring robust and reliable communication in various operational scenarios.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | SOT108 (SO14) |
| Operating Speed | Up to 125 kBd |
| Bus Pins Protection | Short-circuit safe to battery and ground, protected against transients |
| Power Modes | Low current sleep mode and standby mode with wake-up via bus lines |
| Compliance | EU RoHS Compliant, Lead Free (Pb), Halogen Free (Cl+Br) |
| Interface | Differential receive and transmit capability |
| Failure Mode Handling | Automatic reset to differential mode if bus failure is removed |
| Wake-up Capability | Full wake-up capability during failure modes |
Key Features
- Enhanced fault tolerance with automatic switching to single-wire transmitter and/or receiver in error conditions
- Thermally protected and bus lines protected against transients in an automotive environment
- Low current sleep mode and standby mode with wake-up via the bus lines
- Software accessible power-on reset flag
- Microcontroller interface without reverse current paths if unpowered
- Unpowered node does not disturb the bus lines
Applications
The TJA1055T/3/2Z is designed for use in automotive systems, particularly in passenger cars. It is suitable for low-speed CAN applications such as vehicle networking, driver assistance systems, and other in-vehicle communication networks. Its robust fault-tolerant design makes it ideal for harsh automotive environments.
Q & A
- What is the primary application of the TJA1055T/3/2Z? The TJA1055T/3/2Z is primarily intended for low-speed CAN applications in passenger cars.
- What is the maximum operating speed of the TJA1055T/3/2Z? The maximum operating speed is up to 125 kBd.
- How does the TJA1055T/3/2Z handle bus failures? It automatically switches to single-wire transmitter and/or receiver in error conditions and resets to differential mode if the bus failure is removed.
- What power modes does the TJA1055T/3/2Z support? It supports low current sleep mode and standby mode with wake-up via the bus lines.
- Is the TJA1055T/3/2Z compliant with EU RoHS directives? Yes, it is EU RoHS Compliant, Lead Free (Pb), and Halogen Free (Cl+Br).
- What kind of protection does the TJA1055T/3/2Z offer for bus pins? The bus pins are short-circuit safe to battery and ground, and protected against transients.
- Does the TJA1055T/3/2Z support wake-up capability during failure modes? Yes, it has full wake-up capability during failure modes.
- How does the TJA1055T/3/2Z interact with an unpowered microcontroller? The microcontroller interface does not have reverse current paths if the microcontroller is unpowered.
- Can an unpowered node using the TJA1055T/3/2Z disturb the bus lines? No, an unpowered node does not disturb the bus lines.
- What is the package type of the TJA1055T/3/2Z? The package type is SOT108 (SO14).
