Overview
The TJA1048TK,118 is a dual high-speed CAN transceiver produced by NXP USA Inc. This component is designed to provide an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. It is particularly suited for high-speed CAN applications in the automotive industry, especially for Body Control and Gateway units. The TJA1048 belongs to the third generation of high-speed CAN transceivers, offering significant improvements in Electro Magnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance compared to earlier generations.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | HVSON14 |
| Supply Voltage | 4.75 V to 5.25 V |
| Operating Temperature | -40°C to 150°C |
| Data Rate | Up to 5 Mbit/s in CAN FD fast phase |
| Compliance | ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5 |
| Operating Modes | Normal and Standby |
| Standby Mode Current | Very low current with bus wake-up capability |
| ESD Protection | Robust ESD handling capability |
| Microcontroller Compatibility | Direct interfacing with 3 V to 5 V microcontrollers |
| System Compatibility | Suitable for 12 V and 24 V systems |
Key Features
- Combines the functionality of two TJA1042/3 transceivers in a single package.
- Improved EMC and ESD performance.
- Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI).
- Very low-current Standby mode with bus wake-up capability on both channels.
- Ideal passive behavior to the CAN bus when the supply voltage is off.
- Suitable for direct interfacing with microcontrollers with supply voltages from 3 V to 5 V.
- Available in HVSON14 package.
Applications
The TJA1048TK,118 is primarily used in high-speed CAN applications within the automotive industry. It is particularly well-suited for Body Control and Gateway units that require multiple HS-CAN interfaces and a low-power mode with wake-up capability via the CAN bus. Other potential applications include any HS-CAN network that demands reliable communication at data rates up to 5 Mbit/s.
Q & A
- What is the TJA1048TK,118 used for? The TJA1048TK,118 is a dual high-speed CAN transceiver used to interface between a CAN protocol controller and the physical CAN bus, especially in automotive applications.
- What are the key improvements of the TJA1048 over earlier generations? The TJA1048 offers improved EMC and ESD performance, low EME, and high EMI.
- What are the operating modes of the TJA1048? The TJA1048 supports Normal and Standby operating modes, which can be selected independently for each transceiver.
- What is the data rate capability of the TJA1048? The TJA1048 supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- Is the TJA1048 compatible with different microcontroller voltages? Yes, it can be directly interfaced with microcontrollers having supply voltages from 3 V to 5 V.
- What are the package options for the TJA1048? The TJA1048 is available in HVSON14 and SO14 packages.
- What are the compliance standards for the TJA1048? The TJA1048 complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- Does the TJA1048 support wake-up capability in Standby mode? Yes, it has a very low-current Standby mode with bus wake-up capability on both channels.
- What is the operating temperature range of the TJA1048? The operating temperature range is -40°C to 150°C.
- Is the TJA1048 suitable for 12 V and 24 V systems? Yes, it is suitable for both 12 V and 24 V systems.
