描述 Description

The TJA1059 is a dual 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 and truckindustries. It provides differential transmit and receive capabilities to (a microcontrollerwith) a CAN protocol controller.
The TJA1059 belongs to the third generation of high-speed CAN transceivers from NXP?Semiconductors, offering significant improvements over first- and second-generationdevices such as the TJA1040. It offers improved Electro Magnetic 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 on both channels
Can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V
Complies with global OEM requirements, allowing a one-fits-all approach

The TJA1059 implements the CAN physical layer as defined in the current ISO11898standard (ISO11898-2:2003, ISO11898-5:2007). Pending the release of the updatedversion of ISO11898-2 including CAN FD, additional timing parameters defining loopdelay symmetry are specified. This implementation enables reliable communication in theCAN FD fast phase at data rates up to 2 Mbit/s.
These features make the TJA1059 an excellent choice for all types of HS-CAN networkscontaining more than one HS-CAN interface requiring a low-power mode with wake-upcapability via the CAN-bus, especially for Body Control and Gateway units.

特性 Features

General
? Two TJA1049 HS-CAN transceivers combined monolithically in a single package
? Fully ISO 11898-2:2003 and ISO 11898-5:2007 compliant
? Timing guaranteed for data rates up to 5 Mbit/s in the CAN FD fast phase
? Suitable for 12 V and 24 V systems
? Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)
? Excellent ElectroMagnetic Compatibility (EMC) performance, satisfying 'HardwareRequirements for LIN, CAN and FlexRay Interfaces in Automotive Applications’,Version 1.3, May 2012.
? VIO input allows for direct interfacing with 3 V to 5 V microcontrollers
? Leadless HVSON14 package (3.0 mm × 4.5 mm) with improved Automated OpticalInspection (AOI) capability
? Dark green product (halogen free and Restriction of Hazardous Substances (RoHS)compliant)
? AEC-Q100 qualified
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
? Undervoltage detection on pins VCC and VIO
? Internal biasing of TXD1/TXD2 and STB1/STB2 input pins
Low-power management
? Very low-current Standby mode with host and bus wake-up capability
? Wake-up receiver powered by VIO; allows shut down of VCC
Protection
? High ESD handling capability on the bus pins
? Bus pins protected against transients in automotive environments
? Thermally protected
? High-voltage robustness on the bus pins