Overview
The TJA1043T/1U is a high-speed CAN (Controller Area Network) transceiver IC manufactured by NXP USA Inc. This component is designed to provide an interface between a CAN protocol controller and the physical two-wire CAN bus, making it suitable for high-speed CAN applications, particularly in the automotive industry.
It belongs to the third generation of high-speed CAN transceivers, offering significant improvements in ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance, as well as very low power consumption and passive behavior when the supply voltage is turned off.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | 5.5 | V | ||
| VIO Supply Voltage | 2.8 | 5.5 | V | ||
| Operating Temperature | -40 | 150 | °C | ||
| Data Rate | 5 Mbps | ||||
| Package Type | 14-SOIC | ||||
| Mounting Type | Surface Mount | ||||
| ICC Supply Current (Normal Mode) | Bus Dominant | 30 | 48 | 65 | mA |
| ICC Supply Current (Standby/Sleep Mode) | 0 | 0.75 | 2 | μA |
Key Features
- ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant.
- 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.
- Listen-only mode for node diagnosis and failure containment.
- Advanced signal processing algorithms and real-time data processing capabilities.
- High ESD handling capability on the bus pins and protection against transients in automotive environments.
- Low-power management with local and remote wake-up, and wake-up source recognition).
Applications
The TJA1043T/1U is designed for various demanding applications, including:
- Automotive systems, such as vehicle telematics and onboard diagnostics.
- Industrial automation, where reliable and high-speed communication is crucial).
- Smart energy grids, requiring robust and efficient communication networks).
- Other applications that require high-speed CAN communication, such as in aerospace and marine industries).
Q & A
- What is the TJA1043T/1U used for?
The TJA1043T/1U is a high-speed CAN transceiver used to provide an interface between a CAN protocol controller and the physical two-wire CAN bus, primarily in automotive and industrial applications).
- What are the key specifications of the TJA1043T/1U?
Key specifications include a supply voltage range of 4.5V to 5.5V, an operating temperature range of -40°C to 150°C, and a data rate of up to 5 Mbps. It is packaged in a 14-SOIC and is surface mountable).
- Is the TJA1043T/1U compliant with industry standards?
Yes, the TJA1043T/1U is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards, and it is also AEC-Q100 qualified).
- What are the power management features of the TJA1043T/1U?
The device features low-power management with very low current in Standby and Sleep modes, local and remote wake-up, and wake-up source recognition).
- Does the TJA1043T/1U have protection and diagnostic functions?
Yes, it includes high ESD handling capability, bus line short-circuit detection, battery connection detection, and thermal protection with diagnosis).
- Can the TJA1043T/1U be used in harsh environments?
Yes, it is designed to operate in harsh environments with low EME and high EMI, making it suitable for automotive and industrial applications).
- What is the package type of the TJA1043T/1U?
The TJA1043T/1U is available in a 14-SOIC package).
- Is the TJA1043T/1U RoHS compliant?
Yes, the TJA1043T/1U is RoHS compliant and also halogen-free).
- What are some typical applications of the TJA1043T/1U?
Typical applications include vehicle telematics, industrial automation, smart energy grids, and other high-speed CAN communication networks).
- How does the TJA1043T/1U handle wake-up scenarios?
The device supports local and remote wake-up with wake-up source recognition, allowing it to power down the entire node while still supporting wake-up functions).
