TJA1042T/1
Pieejams
TJA1042T/1 NXP The TJA1042 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 (up to 1 Mbit/s) CAN applications in the automotive industry, providing the differential transmit and receive capability to (a microcontroller with) a CAN protocol controller. The TJA1042 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 • TJA1042T/3 and TJA1042TK/3 can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V 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. 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) VIO input on TJA1042T/3 and TJA1042TK/3 allows for direct interfacing with 3 V to 5 V microcontrollers (available in SO8 and very small HVSON8 packages respectively) SPLIT voltage output on TJA1042T for stabilizing the recessive bus level (available in SO8 package only) Pieejams 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) 2.3 Protections High ESD handling capability on the bus pins Bus pins protected against transients in automotive environments Transmit Data (TXD) dominant time-out function Bus-dominant time-out function in Standby mode Undervoltage detection on pins VCC and VIO Thermally protected
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