Datasheet > TJA1145AT

TJA1145AT

更新时间： 2024-09-16 02:51:07

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
57页	658K
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High-speed CAN transceiver for partial networking

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TJA1145AT 数据手册

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 TJA1145A the ideal choice for high-speed CAN networks

containing nodes that are always connected to the battery supply line but, in order to

minimize current consumption, are only active when required by the application.

2. Features and benefits

2.1 General

 ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant

 Timing guaranteed for data rates up to 5 Mbit/s in the CAN FD fast phase

 Autonomous bus biasing

 Optimized for in-vehicle high-speed CAN communication

 No ‘false’ wake-ups due to CAN FD in TJA1145Ax/FD variants

12 3 4 5 6 7...57

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与TJA1145AT相关器件

型号	品牌	获取价格	描述	数据表
TJA1145ATFD	NXP	获取价格	High-speed CAN transceiver for partial networking
TJA1145ATK	NXP	获取价格	High-speed CAN transceiver for partial networking
TJA1145ATKFD	NXP	获取价格	High-speed CAN transceiver for partial networking
TJA1145T	NXP	获取价格	SPECIALTY INTERFACE CIRCUIT, PDSO14, 3.90 MM, GREEN, PLASTIC, MS-012, SOT108-1, SOP-14
TJA1145T,118	NXP	获取价格	TJA1145T
TJA1145T/FDJ	NXP	获取价格	TJA1145T
TJA1145TK	NXP	获取价格	High-speed CAN transceiver for partial networking
TJA1441	NXP	获取价格	High-speed CAN transceiver
TJA1441AT	NXP	获取价格	High-speed CAN transceiver
TJA1441ATK	NXP	获取价格	High-speed CAN transceiver

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