Overview
The TJA1044GT/1Z is a high-speed CAN (Controller Area Network) transceiver designed by NXP USA Inc. for use in the automotive industry. It is part of the Mantis family of high-speed CAN transceivers and provides an interface between a CAN protocol controller and the physical two-wire CAN bus. This transceiver is optimized for 12 V automotive applications and offers significant improvements over earlier generations, including excellent ElectroMagnetic Compatibility (EMC) performance and low power consumption in Standby mode.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5.5 | V | ||
| Standby Undervoltage Detection Voltage (Vuvd(stb)) | 3.5 | 4.3 | V | ||
| Switch-off Undervoltage Detection Voltage (Vuvd(swoff)) | 1.3 | 2.4 | V | ||
| Supply Current in Normal Mode | Recessive; VTXD = VIO | 25 | 10 | mA | |
| Supply Current in Standby Mode | VTXD = VCC | 10 | 15 | μA | |
| Data Rate | Up to 5 Mbit/s | ||||
| Package Type | SOT96-1 (SO-8) | ||||
| Operating Temperature | -40 | 150 | °C |
Key Features
- Compliant with ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5, and SAE J1939-14 standards.
- Very low-current Standby mode with local and bus wake-up capability.
- Optimized for use in 12 V automotive systems.
- Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI) according to proposed EMC Standards IEC 62228-3 and SAE J2962-2.
- AEC-Q100 qualified and RoHS compliant.
- Variants with a VIO pin allow for direct interfacing with 3.3 V to 5 V microcontrollers.
- Functional behavior predictable under all supply conditions.
- Transceiver disengages from bus when not powered (zero load).
- Internal biasing of TXD and STB input pins.
- High ESD handling capability on the bus pins (8 kV IEC and HBM).
- Bus pins protected against transients in automotive environments.
- Undervoltage detection on pin VCC.
- Thermally protected.
- Improved TXD to RXD propagation delay of 210 ns.
Applications
- Engine control modules.
- Gateways.
- Other automotive ECUs.
- Transmission control units.
- Backplane communication.
- Construction and farm equipment.
- Drones.
- Elevators.
- Industrial automation.
- Networked sensors and actuators.
Q & A
- Q: What is the TJA1044GT/1Z used for?
A: The TJA1044GT/1Z is a high-speed CAN transceiver used to provide an interface between a CAN protocol controller and the physical two-wire CAN bus in automotive applications.
- Q: What are the key features of the TJA1044GT/1Z?
A: Key features include low-current Standby mode, compatibility with ISO 11898-2:2016 and SAE standards, low EME and high EMI, AEC-Q100 qualification, and RoHS compliance.
- Q: What is the data rate of the TJA1044GT/1Z?
A: The TJA1044GT/1Z supports data rates up to 5 Mbit/s.
- Q: What is the operating temperature range of the TJA1044GT/1Z?
A: The operating temperature range is -40°C to 150°C.
- Q: Is the TJA1044GT/1Z compatible with 3.3V and 5V microcontrollers?
A: Yes, variants with a VIO pin can be interfaced directly with microcontrollers with supply voltages between 3.3V and 5V.
- Q: What is the warranty period for the TJA1044GT/1Z?
A: Ovaga offers a 1-year warranty on the TJA1044GT/1Z.
- Q: How does the TJA1044GT/1Z handle standby mode?
A: The TJA1044GT/1Z features a very low-current Standby mode with local and bus wake-up capability.
- Q: Is the TJA1044GT/1Z thermally protected?
A: Yes, the TJA1044GT/1Z is thermally protected.
- Q: What is the ESD handling capability of the TJA1044GT/1Z?
A: The TJA1044GT/1Z has high ESD handling capability on the bus pins (8 kV IEC and HBM).
- Q: How can I ensure the authenticity of the TJA1044GT/1Z?
A: Ensure you purchase from authorized distributors or suppliers that rigorously test and verify the credentials of original NXP Semiconductors manufacturers and agents.
