Overview
The TJA1044T/1Z is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. It is part of the Mantis family of CAN transceivers, designed specifically for high-speed CAN applications in the automotive industry. This transceiver provides an interface between a CAN protocol controller and the physical two-wire CAN bus, ensuring reliable communication in accordance with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SO8: plastic, small outline package; 8 leads; 1.27 mm pitch; 4.9 mm x 3.9 mm x 1.75 mm body |
| Data Rate | Up to 1 Mbit/s (TJA1044T), up to 5 Mbit/s for CAN FD (other variants) |
| Supply Voltage | 4.75 V to 5.25 V (VCC), 3.3 V to 5 V (VIO for variants with VIO pin) |
| Standby Mode Current | Very low-current Standby mode, typically 0.11 μA for variants with VIO pin |
| ESD Protection | High ESD handling capability on the bus pins (8 kV IEC and HBM) |
| Compliance | AEC-Q100 qualified, RoHS compliant, halogen free, and REACH SVHC compliant |
| Operating Temperature | -40°C to 150°C |
Key Features
- Fully 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
- Variants with a VIO pin allow for direct interfacing with 3.3 V to 5 V microcontrollers
- Predictable and fail-safe behavior under all supply conditions
- High ESD handling capability and protection against transients in automotive environments
- Thermally protected and undervoltage detection on VCC and VIO pins
Applications
The TJA1044T/1Z is designed for high-speed CAN applications in the automotive industry, including but not limited to:
- Automotive network nodes requiring low-power mode with wake-up capability via the CAN bus
- High-speed CAN (HS-CAN) networks
- Classical CAN and CAN FD applications
Q & A
- What is the TJA1044T/1Z used for? The TJA1044T/1Z is used as a high-speed CAN transceiver in automotive applications, providing an interface between a CAN protocol controller and the physical CAN bus.
- What are the key standards it complies with? It complies with ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5, and SAE J1939-14 standards.
- What is the data rate capability of the TJA1044T/1Z? The TJA1044T/1Z supports data rates up to 1 Mbit/s, while other variants support up to 5 Mbit/s for CAN FD.
- What is the supply voltage range for the TJA1044T/1Z? The supply voltage range is 4.75 V to 5.25 V (VCC), and 3.3 V to 5 V for variants with a VIO pin.
- Does the TJA1044T/1Z have low-power mode capabilities? Yes, it features a very low-current Standby mode with local and bus wake-up capability.
- Is the TJA1044T/1Z environmentally compliant? Yes, it is AEC-Q100 qualified, RoHS compliant, halogen free, and REACH SVHC compliant.
- What kind of protection does the TJA1044T/1Z offer? It offers high ESD handling capability, protection against transients, and thermal protection.
- Can the TJA1044T/1Z interface with different voltage microcontrollers? Yes, variants with a VIO pin can interface directly with 3.3 V to 5 V microcontrollers.
- What is the operating temperature range of the TJA1044T/1Z? The operating temperature range is -40°C to 150°C.
- Is the TJA1044T/1Z suitable for CAN FD applications? Yes, it supports CAN FD data rates up to 5 Mbit/s for other variants.
