Overview
The TJA1044GTJ, produced by NXP USA Inc., is a high-speed CAN (Controller Area Network) transceiver designed for automotive and other high-speed CAN applications. This component is part of the Mantis family and is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards. It features a standby mode, which reduces power consumption, and is suitable for nodes that require low-power operation with wake-up capability via the CAN bus.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154, 3.90mm Width) |
| Data Rate | Up to 5 Mbps |
| Supply Voltage | 4.75V to 5.25V |
| Number of Drivers/Receivers | 1/1 |
| Operating Modes | Normal and Standby |
| Standby Mode Control | via STB pin |
| Compliance | ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 |
Key Features
- Excellent EMC performance at speeds up to 500 kbit/s, even without a common mode choke
- Supports data rates up to 5 Mbit/s in CAN FD fast phase
- Low-power standby mode with wake-up capability via the CAN bus
- Direct interface to microcontrollers with supply voltages from 3V to 5V
- Internal slope control for lowest possible EME
- Compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards
Applications
The TJA1044GTJ is primarily designed for high-speed CAN automotive applications. It is suitable for use in various automotive systems, including engine control units, transmission control units, and other nodes that require reliable and high-speed CAN communication. Additionally, it can be used in industrial automation and other applications where high-speed CAN communication is necessary.
Q & A
- What is the TJA1044GTJ used for? The TJA1044GTJ is used as a high-speed CAN transceiver in automotive and other high-speed CAN applications.
- What are the operating modes of the TJA1044GTJ? The TJA1044GTJ operates in Normal and Standby modes, controlled via the STB pin.
- What is the data rate supported by the TJA1044GTJ? The TJA1044GTJ supports data rates up to 5 Mbps.
- What is the supply voltage range for the TJA1044GTJ? The supply voltage range is 4.75V to 5.25V.
- Is the TJA1044GTJ compliant with any standards? Yes, it is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- How does the standby mode work? In Standby mode, the transmitter and Normal-mode receiver blocks are switched off to reduce supply current, and only a low-power differential receiver monitors the bus lines for activity.
- Can the TJA1044GTJ be interfaced directly to microcontrollers with different supply voltages? Yes, it can be interfaced directly to microcontrollers with supply voltages from 3V to 5V.
- What is the package type of the TJA1044GTJ? The package type is 8-SOIC (0.154, 3.90mm Width).
- What are the key features of the TJA1044GTJ in terms of EMC performance? It offers excellent EMC performance at speeds up to 500 kbit/s, even without a common mode choke.
- What are some typical applications of the TJA1044GTJ? Typical applications include engine control units, transmission control units, and other automotive systems requiring high-speed CAN communication.
