Overview
The TJA1042T,118 is a high-speed CAN (Controller Area Network) transceiver manufactured by NXP Semiconductors. This component provides an interface between a CAN protocol controller and the physical two-wire CAN bus, ensuring reliable communication in various automotive and industrial applications. It is designed to meet the standards of ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5, supporting data rates up to 5 Mbit/s in the CAN FD fast phase.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.5 | V | ||
| VIO supply voltage | 2.8 | 5.5 | V | ||
| Standby mode current (TJA1042T) | VTXD = VCC - 10 | 10 | 15 | μA | |
| Normal mode current (recessive) | VTXD = VIO | 2.5 | 5 | 10 | mA |
| Normal mode current (dominant) | VTXD = 0 V | 20 | 45 | 70 | mA |
| Operating temperature range | -40 | 150 | °C | ||
| Package type | SO8, HVSON8 |
Key Features
- Compliance with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards, supporting data rates up to 5 Mbit/s in the CAN FD fast phase.
- Low-current Standby mode with bus wake-up capability, ideal for power-sensitive applications.
- Variants with a VIO pin allow direct interfacing with microcontrollers having supply voltages from 3.3 V to 5 V.
- Shorter propagation delay in TJA1042B and TJA1042C variants, supporting larger network topologies.
- SPLIT voltage output on TJA1042T and TJA1042CT for stabilizing the recessive bus level.
- High Electromagnetic Immunity (EMI) and low Electromagnetic Emission (EME) according to proposed EMC standards IEC 62228-3 and SAE J2962-2.
- Protection features include over-temperature, shorts between pins, over-voltage, and reverse voltage protection.
Applications
The TJA1042T,118 is primarily used in automotive and industrial applications where reliable and high-speed CAN communication is required. It is suitable for 12 V and 24 V systems and is particularly beneficial in environments with strict electromagnetic compatibility requirements.
Q & A
- What is the TJA1042T,118 used for?
The TJA1042T,118 is a high-speed CAN transceiver used to provide an interface between a CAN protocol controller and the physical two-wire CAN bus, primarily in automotive and industrial applications.
- What standards does the TJA1042T,118 comply with?
The TJA1042T,118 complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What is the maximum data rate supported by the TJA1042T,118?
The TJA1042T,118 supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the supply voltage ranges for VCC and VIO?
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 key protection features of the TJA1042T,118?
The key protection features include over-temperature, shorts between pins, over-voltage, and reverse voltage protection.
- What package types are available for the TJA1042T,118?
The TJA1042T,118 is available in SO8 and HVSON8 (3.0 mm × 3.0 mm) packages.
- Does the TJA1042T,118 support low-power modes?
Yes, the TJA1042T,118 has a low-current Standby mode with bus wake-up capability.
- What is the operating temperature range of the TJA1042T,118?
The operating temperature range is from -40 °C to +150 °C.
- Is the TJA1042T,118 suitable for automotive applications?
Yes, the TJA1042T,118 is AEC-Q100 compliant and suitable for automotive applications.
- What is the significance of the SPLIT voltage output in the TJA1042T,118?
The SPLIT voltage output helps in stabilizing the recessive bus level.
