Overview
The TJA1048T,112 is a dual high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. This component is designed to provide an interface between a CAN protocol controller and the physical two-wire CAN bus, making it ideal for high-speed CAN applications in the automotive industry. It 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 like the TJA1040. The TJA1048T,112 is particularly suited for Body Control and Gateway units, supporting reliable communication in CAN FD fast phase at data rates up to 5 Mbit/s.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V | |
| Input Voltage (VIO) | 2.8 | 5.5 | V | ||
| Operating Temperature | -40 | 150 | °C | ||
| Dominant Output Voltage (CANH/CANL) | TXD = 0 V, t < tto(dom) | 2.75 / 0.5 | 3.5 / 1.5 | 4.5 / 2.25 | V |
| Standby Mode Current | VCC = 5 V | 10 | 20 | μA | |
| Package Type | SO14, HVSON14 |
Key Features
- Compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 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).
- VIO input allows for direct interfacing with 3 V to 5 V microcontrollers.
- Two operating modes: Normal and Standby, with bus wake-up capability in Standby mode.
- Improved slope control and high DC handling capability on the bus pins.
- Robust ESD handling capability.
Applications
The TJA1048T,112 is primarily used in high-speed CAN applications within the automotive industry. It is particularly well-suited for Body Control and Gateway units, where multiple HS-CAN interfaces are required along with a low-power mode and wake-up capability via the CAN bus. Other potential applications include any HS-CAN network that demands reliable communication and robust EMC and ESD performance.
Q & A
- What is the TJA1048T,112 used for? The TJA1048T,112 is a dual high-speed CAN transceiver used to interface between a CAN protocol controller and the physical two-wire CAN bus, especially in automotive applications.
- What are the key improvements of the TJA1048T,112 over earlier generations? The TJA1048T,112 offers improved EMC and ESD performance, and supports higher data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating modes of the TJA1048T,112? The TJA1048T,112 supports two operating modes: Normal and Standby, with the ability to wake up via the CAN bus in Standby mode.
- What are the supported supply voltages for the TJA1048T,112? The TJA1048T,112 supports supply voltages from 4.5 V to 5.5 V and input voltages from 2.8 V to 5.5 V.
- What are the package types available for the TJA1048T,112? The TJA1048T,112 is available in SO14 and HVSON14 packages.
- Is the TJA1048T,112 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 maximum data rate supported by the TJA1048T,112 in CAN FD fast phase? The TJA1048T,112 supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- Can the TJA1048T,112 be used in both 12 V and 24 V systems? Yes, it is suitable for both 12 V and 24 V systems.
- What is the current consumption in Standby mode? The current consumption in Standby mode is typically around 10 μA.
- Does the TJA1048T,112 have robust ESD handling capability? Yes, it has robust ESD handling capability.
