Overview
The TJA1043TK/1Y, 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, offering differential transmit and receive capabilities. It belongs to the third generation of high-speed CAN transceivers from NXP, featuring significant improvements over earlier generations such as the TJA1041A. The TJA1043TK/1Y is known for its enhanced system reliability, advanced power management, and robust protection and diagnostic functions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCANH voltage on pin CANH | -58 | +58 | V | ||
| VCANL voltage on pin CANL | -58 | +58 | V | ||
| Tvj virtual junction temperature | -40 | +150 | °C | ||
| ESD voltage IEC 61000-4-2 at pins CANH and CANL | -8 | +8 | kV | ||
| Supply voltage VCC | 4.75 | 5 | 5.25 | V | |
| Supply voltage VIO | 3 | 5.5 | V | ||
| Data rate in CAN FD fast phase | 5 | Mbit/s |
Key Features
- Compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- Loop delay symmetry timing enables reliable communication at data rates up to 5 Mbit/s in the CAN FD fast phase.
- 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.
- Low-power management with Standby and Sleep modes, supporting local and remote wake-up.
- Protection and diagnostic functions including bus line short-circuit detection, battery connection detection, and thermal protection.
- Available in SO14 and HVSON14 packages.
- Leadless HVSON14 package with improved Automated Optical Inspection (AOI) capability.
- Dark green product (halogen free and RoHS compliant).
Applications
The TJA1043TK/1Y is primarily designed for high-speed CAN applications in the automotive industry. It is ideal for use in vehicles where reliable and continuous communication is crucial, even when the internal VIO and VCC supplies are switched off. This includes applications such as vehicle networking, engine control units, transmission control units, and other automotive systems that require robust and reliable CAN communication.
Q & A
- What is the TJA1043TK/1Y used for?
The TJA1043TK/1Y is a high-speed CAN transceiver used to interface between a CAN protocol controller and the physical two-wire CAN bus in automotive applications. - What are the key improvements of the TJA1043 over earlier generations?
The TJA1043 offers improved ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance, very low power consumption, and passive behavior when the supply voltage is turned off. - What are the supported data rates for the TJA1043 in CAN FD fast phase?
The TJA1043 supports data rates up to 5 Mbit/s in the CAN FD fast phase. - What are the supply voltage ranges for VCC and VIO?
The supply voltage range for VCC is 4.75 V to 5.25 V, and for VIO, it is 3 V to 5.5 V. - What protection and diagnostic functions does the TJA1043 offer?
The TJA1043 includes protection and diagnostic functions such as bus line short-circuit detection, battery connection detection, thermal protection, and undervoltage detection. - Is the TJA1043 compliant with any specific standards?
Yes, the TJA1043 is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards. - What are the available package types for the TJA1043?
The TJA1043 is available in SO14 and HVSON14 packages. - Is the TJA1043 suitable for use in 12 V and 24 V systems?
Yes, the TJA1043 is suitable for use in both 12 V and 24 V systems. - Does the TJA1043 support wake-up functions?
Yes, the TJA1043 supports local and remote wake-up with wake-up source recognition. - Is the TJA1043 RoHS compliant?
Yes, the TJA1043 is RoHS compliant and halogen free.
