描述 Description

The TJA1042 high-speed CAN transceiver provides an interface between a ControllerArea Network (CAN) protocol controller and the physical two-wire CAN bus. Thetransceiver 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 TJA1042 belongs to the third generation of high-speed CAN transceivers from NXPSemiconductors, offering significant improvements over first- and second-generationdevices 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
TJA1042T/3 and TJA1042TK/3 can be interfaced directly to microcontrollers withsupply voltages from 3 V to 5 V
The TJA1042 implements the CAN physical layer as defined in the current ISO11898 standard(ISO11898-2:2003, ISO11898-5:2007) and the pending updated version of ISO 11898-2:2016.Pending the release of the updated version of ISO11898-2:2016 including CAN FD and SAEJ2284-4/5, additional timing parameters defining loop delay symmetry are specified. Thisimplementation enables reliable communication in the CAN FD fast phase at data rates upto 5 Mbit/s.
These features make the TJA1042 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.

特性 Features

GeneralFully 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)
VIO input on TJA1042T/3 and TJA1042TK/3 allows for direct interfacing with 3 V to 5 Vmicrocontrollers
SPLIT voltage output on TJA1042T for stabilizing the recessive bus level
Available in SO8 package and leadless HVSON8 package (3.0 mm × 3.0 mm) withimproved Automated Optical Inspection (AOI) capability
Dark green product (halogen-free and Restriction of Hazardous Substances (RoHS)compliant)
AEC-Q100 qualified
Predictable and fail-safe behaviorVery 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 loads)
Transmit Data (TXD) dominant time-out function
Bus-dominant time-out function in Standby mode
Undervoltage detection on pins VCC and VIO
ProtectionsHigh ESD handling capability on the bus pins (±8 kV)
High voltage robustness on CAN pins (±58 V)
Bus pins protected against transients in automotive environments
Thermally protected

應(yīng)用 Application

Automotive
?Hybrid and Electric Vehicle Power Inverter