Overview
The TJA1042AT/3/0Z is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. This component is part of the third generation of high-speed CAN transceivers, offering significant improvements in terms of electromagnetic compatibility (EMC), electrostatic discharge (ESD) performance, and overall functionality. It provides an interface between a CAN protocol controller and the physical two-wire CAN bus, making it suitable for high-speed CAN applications, particularly in the automotive industry.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC supply voltage | 4.5 | - | 5.5 | V |
| VIO supply voltage | 2.8 | - | 5.5 | V |
| Operating temperature range | -40 | - | 150 | °C |
| Data rate | - | - | 5 Mbit/s | - |
| Package types | SO8, HVSON8 | - | - | - |
| Standby mode current | 5 | 14 | - | μA |
| Normal mode current (recessive) | 2.5 | 5 | 10 | mA |
| Normal mode current (dominant) | 20 | 45 | 70 | mA |
Key Features
- High-speed CAN transceiver with support for data rates up to 5 Mbit/s in the CAN FD fast phase.
- Compliance with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI) according to proposed EMC Standards IEC 62228-3 and SAE J2962-2.
- Variants with a VIO pin for direct interfacing with 3.3 V to 5 V microcontrollers.
- SPLIT voltage output for stabilizing the recessive bus level on certain variants.
- Very low-current Standby mode with bus wake-up capability.
- Ideal passive behavior to the CAN bus when the supply voltage is off.
- Shorter propagation delay on TJA1042B and TJA1042C variants, supporting larger network topologies.
Applications
- Automotive industry for high-speed CAN applications.
- 12 V and 24 V systems).
- Industrial automation and control systems requiring reliable CAN communication).
- Any application requiring a robust and high-speed CAN interface).
Q & A
- What is the TJA1042AT/3/0Z used for?
The TJA1042AT/3/0Z is a high-speed CAN transceiver used to provide an interface between a CAN protocol controller and the physical two-wire CAN bus, particularly in automotive and industrial applications).
- What are the supported data rates for the TJA1042AT/3/0Z?
The TJA1042AT/3/0Z supports data rates up to 5 Mbit/s in the CAN FD fast phase).
- What are the operating voltage ranges for the TJA1042AT/3/0Z?
The VCC supply voltage range is 4.5 V to 5.5 V, and the VIO supply voltage range is 2.8 V to 5.5 V).
- What are the package types available for the TJA1042AT/3/0Z?
The TJA1042AT/3/0Z is available in SO8 and HVSON8 packages).
- Is the TJA1042AT/3/0Z compliant with any specific standards?
Yes, it is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards).
- What is the Standby mode current for the TJA1042AT/3/0Z?
The Standby mode current is typically 14 μA).
- Does the TJA1042AT/3/0Z have any special features for electromagnetic compatibility?
Yes, it has low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI) according to proposed EMC Standards IEC 62228-3 and SAE J2962-2).
- Can the TJA1042AT/3/0Z be used with microcontrollers of different supply voltages?
Yes, variants with a VIO pin can be interfaced directly with microcontrollers with supply voltages from 3.3 V to 5 V).
- What is the purpose of the SPLIT voltage output on the TJA1042AT/3/0Z?
The SPLIT voltage output is used for stabilizing the recessive bus level).
- How does the TJA1042AT/3/0Z behave when the supply voltage is off?
It exhibits ideal passive behavior to the CAN bus when the supply voltage is off).
