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TJA1145A

NXP
Part Number TJA1145A
Manufacturer NXP
Description High-speed CAN transceiver
Published Aug 13, 2023
Detailed Description TJA1145A High-speed CAN transceiver for partial networking Rev. 2 — 23 September 2020 Product data sheet 1. General ...
Datasheet PDF File TJA1145A PDF File

TJA1145A
TJA1145A

Overview
TJA1145A High-speed CAN transceiver for partial networking Rev.
2 — 23 September 2020 Product data sheet 1.
General description The TJA1145A is a high-speed CAN transceiver that provides an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus.
The transceiver is designed for high-speed CAN applications in the automotive industry, providing differential transmit and receive capability to (a microcontroller with) a CAN protocol controller.
The TJA1145A features very low power consumption in Standby and Sleep modes and supports ISO 11898-2:2016 compliant CAN Partial Networking by means of a selective wake-up function.
A dedicated implementation of the partial networking function has been embedded into the FD variants TJA1145AT/FD and TJA1145ATK/FD (see Section 7.
3.
2 for further details on CAN FD).
This function is called ‘FD-passive’ and is the ability to ignore CAN FD frames while waiting for a valid wake-up frame in Sleep/Standby mode.
This additional feature of partial networking is the perfect fit for networks that support both CAN FD and standard CAN 2.
0 communications.
It allows normal CAN controllers that do not need to communicate CAN FD messages to remain in partial networking Sleep/Standby mode during CAN FD communication without generating bus errors.
Advanced power management regulates the supply throughout the node and supports local and remote wake-up functionality.
I/O levels are automatically adjusted to the I/O levels of the controller, allowing the TJA1145A to interface directly with 3.
3 V to 5 V microcontrollers.
An SPI interface is provided for transceiver control and for retrieving status information.
Bus connections are truly floating when power is off.
The TJA1145A implements the CAN physical layer as defined in ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5.
This implementation enables reliable communication in the CAN FD fast phase at data rates up to 5 Mbit/s.
These features make the TJA1...


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