TJA1044GTK - High-speed CAN transceiver with Standby mode

TJA1044GTK是NXP恩智浦公司的一款收发信机产品，TJA1044GTK是High-speed CAN transceiver with Standby mode，本站介绍了TJA1044GTK的封装应用图解、特点和优点、功能等，并给出了与TJA1044GTK相关的NXP元器件型号供参考。

TJA1044GTK - High-speed CAN transceiver with Standby mode - 收发信机 - 接口与连接性 - 恩智浦

产品描述

The TJA1044 is a high-speed CAN transceiver that provides an interface between aController 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 the differential transmit and receive capability to (a microcontroller with) a CANprotocol controller.

The TJA1044 offers a feature set optimized for 12 V automotive applications, withsignificant improvements over NXP's first- and second-generation CAN transceivers, suchas the TJA1040, and excellent ElectroMagnetic Compatibility (EMC) performance.Additionally, the TJA1044 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

These features make the TJA1044 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.

The TJA1044 implements the CAN physical layer as defined in the current ISO11898standard (ISO11898-2:2003, ISO11898-5:2007). The TJA1044T is specified for data ratesup to 1 Mbit/s. Pending the release of the updated version of ISO11898-2 includingCAN FD, additional timing parameters defining loop delay symmetry are specified for theTJA1044GT. This implementation enables reliable communication in the CAN FD fastphase at data rates up to 5 Mbit/s.

产品特性和优势

General

Fully ISO 11898-2:2003 and ISO 11898-5:2007 compliant
Very low-current Standby mode with host and bus wake-up capability
Optimized for use in 12 V automotive systems
EMC performance satisfies 'Hardware Requirements for LIN, CAN and FlexRayInterfaces in Automotive Applications’, Version 1.3, May 2012.
Can interface with 3.3 V and 5 V-supplied microcontrollers, provided themicrocontroller I/Os are 5 V tolerant.
AEC-Q100 qualified
Dark green product (halogen free and Restriction of Hazardous Substances (RoHS)compliant)

Predictable and fail-safe behavior

Functional behavior predictable under all supply conditions
Transceiver disengages from bus when not powered (zero load)
Transmit Data (TXD) and bus dominant time-out functions
Internal biasing of TXD and STB input pins

Protection

High ESD handling capability on the bus pins (8 kV IEC and HBM)
Bus pins protected against transients in automotive environments
Undervoltage detection on pin VCC
Thermally protected

TJA1044GT

Loop delay symmetry guaranteed for data rates up to 5 Mbit/s
Improved TXD to RXD propagation delay of 210 ns

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