Overview
The TJA1145ATK/0Z is a high-speed CAN (Controller Area Network) transceiver produced 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 ideal for high-speed CAN applications, particularly in the automotive industry. It supports data rates up to 5 Mbps and complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards. The transceiver features advanced power management, including low power consumption in Standby and Sleep modes, and supports CAN Partial Networking with selective wake-up functionality.
Key Specifications
| Attribute | Value |
|---|---|
| Data Rate | 5 Mbps |
| Interface Type | CAN |
| Supply Voltage | 4.5V to 5.5V |
| Operating Temperature Range | -40°C to +150°C |
| Storage Temperature Range | -55°C to +150°C |
| Package Style | 14-HVSON (3x4.5) |
| Mounting Method | Surface Mount |
| ESD Voltage-Max | ±6V |
| Receiver Hysteresis | 800 mV |
| Duplex | Full |
| Number of Drivers/Receivers | 1/1 |
Key Features
- Compliance with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards for reliable CAN communication.
- Supports CAN FD fast phase at data rates up to 5 Mbit/s.
- Advanced power management with low power consumption in Standby and Sleep modes.
- Selective wake-up function for CAN Partial Networking.
- Automatic adjustment of I/O levels to match the microcontroller (3.3 V to 5 V).
- SPI interface for transceiver control and status information retrieval.
- Fail-safe and diagnostic features for enhanced system reliability.
- Autonomous bus biasing and overtemperature protection.
Applications
The TJA1145ATK/0Z is primarily used in high-speed CAN networks within the automotive industry. It is suitable for applications where nodes are always connected to the battery supply line but need to minimize current consumption by being active only when required. This includes various automotive systems such as engine control units, transmission control units, and other vehicle network components.
Q & A
- What is the primary function of the TJA1145ATK/0Z? The TJA1145ATK/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 supported data rates for the TJA1145ATK/0Z? The TJA1145ATK/0Z supports data rates up to 5 Mbps.
- What standards does the TJA1145ATK/0Z comply with? The TJA1145ATK/0Z complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What is the operating temperature range of the TJA1145ATK/0Z? The operating temperature range is -40°C to +150°C.
- What is the package style of the TJA1145ATK/0Z? The package style is 14-HVSON (3x4.5).
- Does the TJA1145ATK/0Z support low power modes? Yes, it supports low power consumption in Standby and Sleep modes.
- What is the purpose of the selective wake-up function in the TJA1145ATK/0Z? The selective wake-up function supports CAN Partial Networking, allowing the transceiver to wake up only when required by the application.
- How does the TJA1145ATK/0Z adjust its I/O levels? The TJA1145ATK/0Z automatically adjusts its I/O levels to match the microcontroller (3.3 V to 5 V).
- What interface is provided for transceiver control and status information retrieval? An SPI interface is provided for transceiver control and status information retrieval.
- What kind of protection does the TJA1145ATK/0Z offer against overheating? The TJA1145ATK/0Z offers overtemperature protection, issuing a warning and disabling the CAN transmitter and receiver when the IC temperature rises above the overtemperature warning threshold.
