Overview
The TJA1049TK/3/1Z is a high-speed CAN (Controller Area Network) transceiver designed by NXP USA Inc. for high-speed CAN applications, particularly in the automotive industry. This transceiver serves as an interface between a CAN protocol controller and the physical two-wire CAN bus, ensuring reliable communication at data rates up to 5 Mbit/s in the CAN FD fast phase. It is part of the third generation of high-speed CAN transceivers, offering significant improvements in ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance compared to earlier generations.
Key Specifications
| Parameter | Description |
|---|---|
| Compliance | ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant |
| Data Rate | Up to 5 Mbit/s in the CAN FD fast phase |
| Supply Voltage | 3 V to 5 V (VIO input for I/O level adapter) |
| Operating Modes | Normal and Standby modes |
| Standby Mode Current | Approximately 5 μA |
| Package Options | SO8 and HVSON8 (3.0 mm × 3.0 mm) |
| EMC and ESD Performance | Improved ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI) |
| AEC-Q100 Qualification | AEC-Q100 qualified |
| Environmental Compliance | Halogen free and RoHS compliant |
Key Features
- Direct interfacing with microcontrollers having supply voltages from 3 V to 5 V through the VIO input.
- SPLIT voltage output for stabilizing the recessive bus level.
- Ideal passive behavior to the CAN bus when the supply voltage is off.
- Very low-current Standby mode with bus wake-up capability.
- Improved Automated Optical Inspection (AOI) capability due to the leadless HVSON8 package.
- High ElectroMagnetic Immunity (EMI) and low ElectroMagnetic Emission (EME).
Applications
The TJA1049TK/3/1Z is designed for use in high-speed CAN networks within the automotive industry. It is suitable for various automotive applications that require reliable and low-power communication, including:
- Vehicle control systems.
- Infotainment systems.
- Advanced driver-assistance systems (ADAS).
- Automotive diagnostics and monitoring systems.
Q & A
- What is the TJA1049TK/3/1Z used for?
The TJA1049TK/3/1Z is used as a high-speed CAN transceiver to interface between a CAN protocol controller and the physical two-wire CAN bus in automotive applications.
- What are the key compliance standards for the TJA1049TK/3/1Z?
The TJA1049TK/3/1Z is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What is the maximum data rate supported by the TJA1049TK/3/1Z?
The TJA1049TK/3/1Z supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating modes of the TJA1049TK/3/1Z?
The TJA1049TK/3/1Z operates in Normal and Standby modes, selectable via the STB pin.
- What is the current consumption in Standby mode?
The current consumption in Standby mode is approximately 5 μA.
- What package options are available for the TJA1049TK/3/1Z?
The TJA1049TK/3/1Z is available in SO8 and HVSON8 (3.0 mm × 3.0 mm) packages.
- Is the TJA1049TK/3/1Z AEC-Q100 qualified?
- Is the TJA1049TK/3/1Z environmentally compliant?
- What is the purpose of the VIO input on the TJA1049TK/3/1Z?
The VIO input allows for direct interfacing with microcontrollers having supply voltages from 3 V to 5 V.
- What is the function of the SPLIT voltage output on the TJA1049TK/3/1Z?
The SPLIT voltage output is used for stabilizing the recessive bus level.
