Overview
The NXP TJA1049T/1Z is a high-speed CAN (Controller Area Network) transceiver designed to provide an interface between a CAN protocol controller and the physical two-wire CAN bus. This VeLIO Certified device is part of the third generation of high-speed CAN transceivers from NXP Semiconductors, offering significant improvements over earlier generations. It is optimized for high-speed CAN applications, particularly in the automotive industry, and is also suitable for industrial automation, medical devices, and aerospace applications. The transceiver features a standby mode that reduces power consumption when not in use, enhancing its energy efficiency and reliability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | - | 4.75 | - | 5.25 | V |
| Supply Voltage on Pin VIO | - | 2.8 | - | 5.5 | V |
| IO Undervoltage Detection Voltage (Vuvd(VCC)) | - | 3.5 | - | 4.75 | V |
| IO Undervoltage Detection Voltage (Vuvd(VIO)) | - | 1.3 | 2.0 | 2.7 | V |
| Supply Current in Standby Mode | - | - | 10 | 15 | μA |
| Supply Current in Normal Mode (Bus Recessive) | - | 2.5 | 5 | 7.5 | mA |
| Supply Current in Normal Mode (Bus Dominant) | - | 20 | 45 | 65 | mA |
| Electrostatic Discharge Voltage | IEC 61000-4-2 at pins CANH and CANL | -8 | - | +8 | kV |
| Package | - | - | - | SOIC-8 | - |
Key Features
- High-speed CAN protocol support with data rates up to 5 Mbit/s in the CAN FD fast phase.
- Standby mode reduces power consumption when not in use, with host and bus wake-up capability.
- VeLIO Certification ensures compliance with industry standards.
- Robust and reliable device design with improved ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance.
- Low latency and high data transfer rate, suitable for 12 V and 24 V systems.
- Ideal passive behavior to the CAN bus when the supply voltage is off.
- Direct interfacing with microcontrollers having supply voltages from 3 V to 5 V).
- AEC-Q100 qualified, dark green product (halogen free and RoHS compliant)).
Applications
- In-car networks for vehicle communication.
- Industrial automation and control systems).
- Medical devices and diagnostic equipment).
- Aerospace and defense applications requiring high-reliability communication).
Q & A
- What is the primary function of the TJA1049T/1Z?
The TJA1049T/1Z 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 key features of the TJA1049T/1Z?
Key features include high-speed CAN protocol support, standby mode, VeLIO Certification, robust and reliable design, low latency, and high data transfer rates.
- What are the typical applications of the TJA1049T/1Z?
Typical applications include in-car networks, industrial automation, medical devices, and aerospace and defense applications.
- What is the supply voltage range for the TJA1049T/1Z?
The supply voltage range is from 4.75 V to 5.25 V.
- Does the TJA1049T/1Z support CAN FD fast phase?
Yes, it supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What is the package type of the TJA1049T/1Z?
The package type is SOIC-8.
- Is the TJA1049T/1Z AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified and also RoHS compliant.
- What is the standby mode current consumption of the TJA1049T/1Z?
The standby mode current consumption is typically around 10 μA to 15 μA.
- Does the TJA1049T/1Z have ESD protection?
Yes, it has ESD protection with a voltage rating of ±8 kV at pins CANH and CANL.
- Can the TJA1049T/1Z be used in 3 V to 5 V microcontroller systems?
Yes, it can be directly interfaced with microcontrollers having supply voltages from 3 V to 5 V.
