Overview
The TJA1043ATK/0Z is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. It serves as an interface between a CAN protocol controller and the physical two-wire CAN bus, making it an essential component in high-speed CAN applications, particularly in the automotive industry. This transceiver belongs to the third generation of high-speed CAN transceivers from NXP, offering significant improvements over earlier generations, such as enhanced ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance, very low power consumption, and passive behavior when the supply voltage is turned off.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Supply Voltage | 4.5 - 5.5 | V |
| VIO Supply Voltage | 2.8 - 5.5 | V |
| Undervoltage Detection Voltage (VCC) | 3 - 4.3 | V |
| Undervoltage Detection Voltage (VIO) | 0.8 - 2.5 | V |
| Supply Current (Normal Mode, Bus Dominant) | 30 - 65 | mA |
| Supply Current (Normal or Listen-only Mode, Bus Recessive) | 3 - 9 | mA |
| Supply Current (Standby or Sleep Mode) | 0 - 2 | μA |
| Data Rate | Up to 5 Mbit/s | |
| Operating Temperature | -40°C to 150°C (TJ) | |
| Package | 14-HVSON (3x4.5 mm) |
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 low-power management with local and remote wake-up, and wake-up source recognition.
- High ESD handling capability on the bus pins and protection against transients in automotive environments.
- Thermal protection with diagnosis and undervoltage detection on pins VCC, VIO, and VBAT.
Applications
- Automotive systems, including high-speed CAN networks.
- Industrial control and automation systems.
- IoT devices and intelligent sensors.
- Aerospace and defense electronics.
- Medical devices requiring reliable and high-speed data transmission.
Q & A
- What is the primary function of the TJA1043ATK/0Z? The TJA1043ATK/0Z serves as an interface between a CAN protocol controller and the physical two-wire CAN bus, enabling high-speed CAN communication.
- What are the key improvements of the TJA1043ATK/0Z over earlier generations? The TJA1043ATK/0Z offers improved EMC and ESD performance, very low power consumption, and passive behavior when the supply voltage is turned off.
- What is the data rate capability of the TJA1043ATK/0Z? The TJA1043ATK/0Z 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 VCC supply voltage range is 4.5 - 5.5 V, and the VIO supply voltage range is 2.8 - 5.5 V.
- What is the operating temperature range of the TJA1043ATK/0Z? The operating temperature range is -40°C to 150°C (TJ).
- What types of protection and diagnostic features does the TJA1043ATK/0Z offer? It includes bus line short-circuit detection, battery connection detection, transmit data dominant time-out function, TXD-to-RXD short-circuit handler, thermal protection, and undervoltage detection on pins VCC, VIO, and VBAT.
- Is the TJA1043ATK/0Z compliant with automotive standards? Yes, it is AEC-Q100 qualified and compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What package types are available for the TJA1043ATK/0Z? It is available in 14-HVSON (3x4.5 mm) packages.
- Does the TJA1043ATK/0Z support low-power modes? Yes, it supports Standby, Sleep, and Listen-only modes with very low current consumption.
- What are some of the applications of the TJA1043ATK/0Z? It is used in automotive systems, industrial control and automation, IoT devices, aerospace and defense electronics, and medical devices.
