Overview
The TJA1043ATK/0Y, produced by NXP USA Inc., is a high-speed CAN (Controller Area Network) transceiver designed for high-speed CAN applications, particularly in the automotive industry. This transceiver provides an interface between a CAN protocol controller and the physical two-wire CAN bus, ensuring reliable communication in accordance with the ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards. It belongs to the third generation of high-speed CAN transceivers from NXP Semiconductors, offering significant improvements in ElectroMagnetic Compatibility (EMC), ElectroStatic Discharge (ESD) performance, and power management compared to earlier generations like the TJA1041A.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.5 | V | ||
| VIO supply voltage on pin VIO | 2.8 | 5.5 | V | ||
| Undervoltage detection voltage on pin VCC (Vuvd(VCC)) | 3 | 3.5 | 4.3 | V | |
| Undervoltage detection voltage on pin VIO (Vuvd(VIO)) | VBAT or VCC > 4.5 V | 0.8 | 1.8 | 2.5 | V |
| ICC supply current (Normal mode; bus dominant) | 30 | 48 | 65 | mA | |
| ICC supply current (Normal or Listen-only mode; bus recessive) | 3 | 6 | 9 | mA | |
| ICC supply current (Standby or Sleep mode) | 0 | 0.75 | 2 | μA | |
| IIO supply current on pin VIO (Normal mode; VTXD = 0 V (dominant)) | - | 150 | 500 | μA | |
| IIO supply current on pin VIO (Normal or Listen-only mode; VTXD = VIO (recessive)) | 0 | 1 | 4 | μA | |
| IIO supply current on pin VIO (Standby or Sleep mode) | 0 | 1 | 4 | μA | |
| Data Rate | 5 Mbps | ||||
| Operating Temperature | -40°C | 150°C (TJ) |
Key Features
- Compliance with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards, enabling reliable communication at data rates up to 5 Mbit/s in the CAN FD fast phase.
- Improved ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance.
- Very low power consumption with advanced power management features, including low-current Standby and Sleep modes, and local and remote wake-up capabilities.
- Suitable for 12 V and 24 V systems.
- Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI).
- VIO input allows for direct interfacing with 3 V and 5 V microcontrollers.
- SPLIT voltage output for stabilizing the recessive bus level.
- Listen-only mode for node diagnosis and failure containment.
- Available in SO14 and HVSON14 packages, with the HVSON14 package offering improved Automated Optical Inspection (AOI) capability.
- AEC-Q100 qualified and compliant with RoHS and halogen-free standards.
- Advanced protection and diagnostic functions, including bus line short-circuit detection, battery connection detection, and thermal protection with diagnosis.
Applications
The TJA1043ATK/0Y is primarily designed for high-speed CAN applications in the automotive industry. It is ideal for use in various automotive systems that require reliable and efficient communication, such as:
- Vehicle network systems.
- Driver assistance systems.
- Engine control units.
- Transmission control units.
- Infotainment systems.
- Advanced safety features like airbag systems and anti-lock braking systems (ABS).
Q & A
- What is the primary function of the TJA1043ATK/0Y?
The TJA1043ATK/0Y is a high-speed CAN transceiver that provides an interface between a CAN protocol controller and the physical two-wire CAN bus.
- What standards does the TJA1043ATK/0Y comply with?
The TJA1043ATK/0Y complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What are the key improvements of the TJA1043ATK/0Y over earlier generations?
The TJA1043ATK/0Y offers improved EMC and ESD performance, very low power consumption, and advanced power management features compared to earlier generations like the TJA1041A.
- What is the data rate supported by the TJA1043ATK/0Y?
The TJA1043ATK/0Y supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating temperature ranges for the TJA1043ATK/0Y?
The operating temperature range for the TJA1043ATK/0Y is from -40°C to 150°C (TJ).
- What power management features does the TJA1043ATK/0Y offer?
The TJA1043ATK/0Y offers low-current Standby and Sleep modes, local and remote wake-up capabilities, and wake-up source recognition.
- What protection and diagnostic functions are available in the TJA1043ATK/0Y?
The TJA1043ATK/0Y includes several protection and diagnostic functions such as bus line short-circuit detection, battery connection detection, and thermal protection with diagnosis.
- Is the TJA1043ATK/0Y suitable for use in 12 V and 24 V systems?
Yes, the TJA1043ATK/0Y is suitable for use in both 12 V and 24 V systems.
- What package options are available for the TJA1043ATK/0Y?
The TJA1043ATK/0Y is available in SO14 and HVSON14 packages.
- Is the TJA1043ATK/0Y AEC-Q100 qualified?
Yes, the TJA1043ATK/0Y is AEC-Q100 qualified.
