Overview
The TJA1042ATK/3/0Z is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. This component provides an interface between a CAN protocol controller and the physical two-wire CAN bus, making it essential for various automotive and industrial applications. It is designed to meet the requirements of high-speed CAN communication, ensuring reliable data transmission in demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | - | 5.5 | V |
| VIO Supply Voltage | 2.8 | - | 5.5 | V |
| Undervoltage Detection Voltage (VCC) | 3.5 | - | 4.5 | V |
| Undervoltage Detection Voltage (VIO) | 1.3 | - | 2.7 | V |
| Standby Mode Current (VTXD = VCC - 10) | - | 15 | - | μA |
| Normal Mode Current (Recessive) | 2.5 | 5 | 10 | mA |
| Normal Mode Current (Dominant) | 20 | 45 | 70 | mA |
| Operating Temperature Range | -40 | - | 150 | °C |
| Package Type | - | - | HVSON8 (3x3 mm) | - |
Key Features
- Compliance with SAE J2284-1 to SAE J2284-5 and SAE J1939-14 standards.
- Timing guaranteed for 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) according to proposed EMC Standards IEC 62228-3 and SAE J2962-2.
- Variants with a VIO pin allow for direct interfacing with 3.3 V to 5 V microcontrollers.
- Shorter propagation delay on TJA1042B and TJA1042C variants supports larger network topologies.
- SPLIT voltage output on TJA1042T and TJA1042CT for stabilizing the recessive bus level.
- Available in SO8 and leadless HVSON8 (3.0 mm × 3.0 mm) packages.
Applications
- Automotive systems, including vehicle networks and diagnostic interfaces.
- Industrial control systems and automation.
- Medical devices requiring reliable and high-speed data communication.
- Aerospace and defense applications where robust communication is critical.
- Any system requiring high-speed CAN communication in harsh environments.
Q & A
- What is the primary function of the TJA1042ATK/3/0Z?
The TJA1042ATK/3/0Z is a high-speed CAN transceiver that provides an interface between a CAN protocol controller and the physical two-wire CAN bus.
- What are the operating voltage ranges for VCC and VIO?
VCC operates from 4.5 V to 5.5 V, and VIO operates from 2.8 V to 5.5 V.
- What is the maximum data rate supported by the TJA1042ATK/3/0Z?
The component supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- Is the TJA1042ATK/3/0Z compliant with any specific standards?
Yes, it is compliant with SAE J2284-1 to SAE J2284-5 and SAE J1939-14 standards.
- What types of packages are available for the TJA1042ATK/3/0Z?
The component is available in SO8 and leadless HVSON8 (3.0 mm × 3.0 mm) packages.
- What is the purpose of the VIO pin in some variants?
The VIO pin allows for direct interfacing with 3.3 V to 5 V microcontrollers.
- How does the TJA1042ATK/3/0Z handle electromagnetic interference?
The component has low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI) according to proposed EMC Standards IEC 62228-3 and SAE J2962-2.
- What is the standby mode current for the TJA1042ATK/3/0Z?
The standby mode current is typically 15 μA when VTXD = VCC - 10.
- What are some common applications of the TJA1042ATK/3/0Z?
Common applications include automotive systems, industrial control systems, medical devices, and aerospace and defense applications.
- What is the operating temperature range of the TJA1042ATK/3/0Z?
The operating temperature range is from -40°C to 150°C.
