Datasheet > TJA1049T

TJA1049T

更新时间： 2024-09-20 14:59:31

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
21页	430K
描述
VeLIO Certified, High-Speed CAN Transceivers with Standby Mode

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TJA1049T 数据手册

TJA1049

High-speed CAN transceiver with Standby mode

Rev. 3 — 16 September 2013

Product data sheet

1. General description

The TJA1049 high-speed CAN transceiver 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 (up to 1 Mbit/s) CAN applications in the automotive

industry, supplying the differential transmit and receive capability to (a microcontroller

with) a CAN protocol controller.

The TJA1049 belongs to the third generation of high-speed CAN transceivers from NXP

Semiconductors, offering significant improvements over first- and second-generation

devices such as the TJA1040. It offers improved ElectroMagnetic Compatibility (EMC)

and ElectroStatic Discharge (ESD) performance, and also features:

• Ideal passive behavior to the CAN bus when the supply voltage is off

• A very low-current Standby mode with bus wake-up capability

• TJA1049T/3 and TJA1049TK/3 can be interfaced directly to microcontrollers with

supply voltages from 3 V to 5 V

These features make the TJA1049 an excellent choice for all types of HS-CAN networks,

in nodes that require a low-power mode with wake-up capability via the CAN bus.

2. Features and benefits

2.1 General

 Fully ISO 11898-2 and ISO 11898-5 compliant

 Suitable for 12 V and 24 V systems

 Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)

 V_IOinput on TJA1049T/3 and TJA1049TK/3 allows for direct interfacing with 3 V to 5 V

microcontrollers

 SPLIT voltage output on TJA1049T and TJA1049TK for stabilizing recessive bus level

 Both variants available in SO8 and HVSON8 packages

 Leadless HVSON8 package (3.0 mm  3.0 mm) with improved Automated Optical

Inspection (AOI) capability

 Dark green product (halogen free and Restriction of Hazardous Substances (RoHS)

compliant)

2.2 Low-power management

 Very low-current Standby mode with host and bus wake-up capability

 Functional behavior predictable under all supply conditions

 Transceiver disengages from the bus when not powered up (zero load)

12 3 4 5 6 7...21

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