Overview
The TJA1042T/3/CM,118 is a high-speed CAN (Controller Area Network) transceiver designed by NXP USA Inc. This component provides an interface between a CAN protocol controller and the physical two-wire CAN bus, making it an essential part of high-speed CAN applications, particularly in the automotive industry.
The TJA1042T/3/CM,118 belongs to the third generation of high-speed CAN transceivers, offering significant improvements over earlier models such as the TJA1040. It is known for its enhanced ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance, as well as its low quiescent current and improved slope control.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | 5.5 | V | ||
| VIO Supply Voltage | 2.8 | 5.5 | V | ||
| Undervoltage Detection Voltage on VCC | 3.5 | 4.5 | V | ||
| Standby Mode Current | VTXD = VIO | - | - | 5 μA | 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 (3.0 mm × 3.0 mm) |
Key Features
- Fully compliant with ISO 11898-2:2003 and ISO 11898-5:2007 standards.
- Supports 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) according to proposed EMC Standards IEC 62228-3 and SAE J2962-2.
- VIO input allows direct interfacing with 3.3 V to 5 V microcontrollers.
- SPLIT voltage output for stabilizing the recessive bus level.
- Very low-current Standby mode with host and bus wake-up capability.
- High ESD handling capability on the bus pins (±8 kV).
- Predictable and fail-safe behavior under all supply conditions.
- Available in SO8 and leadless HVSON8 packages with improved Automated Optical Inspection (AOI) capability.
- AEC-Q100 qualified and RoHS compliant.
Applications
The TJA1042T/3/CM,118 is designed for high-speed CAN applications, particularly in the automotive industry. It is suitable for various automotive systems, including engine control units, transmission control units, and other networked automotive components.
Additionally, it can be used in industrial automation, medical devices, and any other application requiring reliable and high-speed CAN communication.
Q & A
- What is the primary function of the TJA1042T/3/CM,118?
The primary function of the TJA1042T/3/CM,118 is to provide an interface between a CAN protocol controller and the physical two-wire CAN bus.
- What are the key improvements of the TJA1042T/3/CM,118 over earlier models?
The TJA1042T/3/CM,118 offers improved EMC and ESD performance, low quiescent current, and enhanced slope control compared to earlier models like the TJA1040.
- What are the supported data rates for the TJA1042T/3/CM,118?
The TJA1042T/3/CM,118 supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating 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 is the purpose of the SPLIT voltage output?
The SPLIT voltage output is used for stabilizing the recessive bus level.
- What are the package options available for the TJA1042T/3/CM,118?
The component is available in SO8 and leadless HVSON8 (3.0 mm × 3.0 mm) packages.
- Is the TJA1042T/3/CM,118 compliant with automotive standards?
Yes, it is compliant with ISO 11898-2:2003 and ISO 11898-5:2007 standards and is AEC-Q100 qualified.
- What is the Standby mode current of the TJA1042T/3/CM,118?
The Standby mode current is typically 5 μA when VTXD = VIO.
- Does the TJA1042T/3/CM,118 have ESD protection?
Yes, it has high ESD handling capability on the bus pins (±8 kV).
- Is the TJA1042T/3/CM,118 RoHS compliant?
Yes, the component is RoHS compliant and also halogen-free.
