Overview
The TJA1145AT/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. It is particularly suited for automotive and industrial applications where reliable and efficient communication is crucial.
The TJA1145AT/0Z is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards, ensuring compatibility with a wide range of systems. It features advanced power management, low power consumption in Standby and Sleep modes, and supports CAN Partial Networking, making it an ideal choice for high-speed CAN networks.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Series | Automotive, AEC-Q100 |
| Package | Tape & Reel (TR), Cut Tape (CT), Digi-Reel® |
| Product Status | Active |
| Type | Transceiver |
| Protocol | CAN |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 800 mV |
| Data Rate | 5 Mbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 14-VDFN Exposed Pad, 14-HVSON (3x4.5) |
Key Features
- Compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards for reliable CAN communication.
- Supports CAN Partial Networking, allowing nodes to remain in Sleep/Standby mode during CAN FD communication without generating bus errors.
- Advanced power management with low power consumption in Standby and Sleep modes.
- Local and remote wake-up functionality to minimize current consumption.
- Automatic adjustment of I/O levels to match 3.3 V to 5 V microcontrollers.
- SPI interface for transceiver control and status information retrieval.
- Transmitter dominant time-out function with diagnosis and overtemperature warning and shut-down.
- Undervoltage detection and recovery on VCC, VIO, and BAT pins.
- Cold start diagnosis and advanced system and transceiver interrupt handling.
Applications
- Automotive systems: The TJA1145AT/0Z is AEC-Q100 qualified, making it suitable for various automotive applications, including vehicle networks and control systems.
- Industrial automation: It is used in industrial environments where high-speed and reliable CAN communication is necessary.
- Embedded systems: Ideal for embedded systems that require efficient and low-power CAN communication interfaces.
- IoT devices: Can be used in IoT devices that need to communicate over CAN networks.
Q & A
- What is the TJA1145AT/0Z used for?
The TJA1145AT/0Z is a high-speed CAN transceiver used to provide an interface between a CAN protocol controller and the physical two-wire CAN bus.
- What standards does the TJA1145AT/0Z comply with?
It complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What is the operating voltage range of the TJA1145AT/0Z?
The operating voltage range is 4.5V to 5.5V.
- What is the maximum data rate supported by the TJA1145AT/0Z?
The maximum data rate supported is 5 Mbps.
- What are the key power management features of the TJA1145AT/0Z?
It features low power consumption in Standby and Sleep modes, local and remote wake-up functionality, and advanced power management to regulate the supply throughout the node.
- How does the TJA1145AT/0Z handle wake-up events?
The TJA1145AT/0Z supports local and remote wake-up functionality to minimize current consumption and can wake up from Sleep/Standby mode without generating bus errors.
- What type of interface does the TJA1145AT/0Z use for control and status information?
The TJA1145AT/0Z uses an SPI interface for transceiver control and for retrieving status information.
- What are the protection and diagnosis features of the TJA1145AT/0Z?
It includes features such as transmitter dominant time-out function with diagnosis, overtemperature warning and shut-down, undervoltage detection and recovery, and cold start diagnosis.
- What is the operating temperature range of the TJA1145AT/0Z?
The operating temperature range is -40°C to 150°C (TJ).
- What package types are available for the TJA1145AT/0Z?
The TJA1145AT/0Z is available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packages, with a 14-VDFN Exposed Pad or 14-HVSON (3x4.5) case.
