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TJA1042T/3/1J
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TJA1042T/3/1J Overview
For security on TJA1042, TJA1044, TJA1049, go to Secure CAN TJA1152.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 offA very low-current Standby mode with bus wake-up capabilityTJA1042T/3 and TJA1042TK/3 can be interfaced directly to microcontrollers withsupply voltages from 3 V to 5 VThe 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.Features
- 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)
- VIO input on TJA1042T/3 and TJA1042TK/3 allows for direct interfacing with 3 V to 5 V microcontrollers
- 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) with improved Automated Optical Inspection (AOI) capability
- Dark green product (halogen-free and Restriction of Hazardous Substances (RoHS) compliant)
- AEC-Q100 qualified
- Predictable and fail-safe behavior
- 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 loads)
- Transmit Data (TXD) dominant time-out function
- Bus-dominant time-out function in Standby mode
- Undervoltage detection on pins V
- CC
- IO
- Protection
- High 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
- Product Longevity Program
- This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The TJA1042 is included in the 15-year program.
Applications
- Automotive
- Hybrid Electric Vehicle (HEV) Applications
- Tire Pressure Monitoring Systems (TPMS)
Product Parameters
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Recommended Orderable Part Number
TJA1042T/1J,TJA1042T/3/1J
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Low Power Modes
Standby Mode
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CAN Channels
1
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Supply Voltage [Min to Max] (V)
4.5 to 5.5
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Voltage on bus pins [Min-Max] (V)
-58 to 58
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VESD HBM on bus pins (+/- kV)
-8 to 8
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Junction Temperature (Max) (℃)
150
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Wake-Up Pin
N
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GPIO
8
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SPLIT Pin
Y
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Product Application
Automotive,Industrial
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MCU I/O Interface (V)
3.3,5.0
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Data Rate [max] kbps
5000.0
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Product Category
CAN FD / High-Speed CAN
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Data Rate [min] kbps
40.0
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VESD IEC on bus pins (+/- kV)
-8 to 8
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VIO Option Available
Y
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Protection
TXD dominant timeout,overtemperature detection,undervoltage detection
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Min High Input Levels (V) [Vio]
0.7
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Supported standards
ISO-11898-2:2016,SAE J2284-1,SAE J2284-2,SAE J2284-3,SAE J2284-4,SAE J2284-5
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Thermal Resistance (Spec) (℃/W)
145
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