Overview
The TJA1051T, produced by NXP USA Inc., is a high-speed CAN (Controller Area Network) transceiver designed to provide an interface between a CAN protocol controller and the physical two-wire CAN bus. This component is part of the third generation of high-speed CAN transceivers from NXP, offering significant improvements in ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance compared to earlier generations. It is particularly suited for high-speed CAN applications in the automotive industry.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.5 | V | ||
| ICC supply current (Off mode, TJA1051T/E) | 1 | 5 | 8 | μA | |
| ICC supply current (Silent mode) | 0.1 | 1 | 2.5 | mA | |
| ICC supply current (Normal mode, bus recessive) | 2.5 | 5 | 10 | mA | |
| ICC supply current (Normal mode, bus dominant) | 20 | 50 | 70 | mA | |
| VESD electrostatic discharge voltage | IEC 61000-4-2 at pins CANH and CANL | -8 | +8 | kV | |
| VCANH voltage on pin CANH | -58 | +58 | V | ||
| VCANL voltage on pin CANL | -58 | +58 | V | ||
| Tvj virtual junction temperature | -40 | +150 | °C |
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.
- Available in SO8 and HVSON8 packages.
- Halogen-free and RoHS compliant.
- AEC-Q100 qualified.
- Supports Normal, Silent, and Off operating modes (Off mode available on TJA1051T/E).
Applications
The TJA1051T is primarily designed for high-speed CAN applications in the automotive industry. It is suitable for various automotive systems that require reliable and high-speed communication, including:
- In-vehicle networks.
- Automotive control units.
- Driver assistance systems.
- Other automotive applications requiring high-speed CAN communication.
Q & A
- What is the TJA1051T used for?
The TJA1051T is a high-speed CAN transceiver used to provide an interface between a CAN protocol controller and the physical two-wire CAN bus.
- What standards is the TJA1051T compliant with?
The TJA1051T is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What are the supported data rates for the TJA1051T?
The TJA1051T supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating voltage ranges for the TJA1051T?
The TJA1051T operates with a VCC supply voltage range of 4.5 V to 5.5 V and can interface with microcontrollers having supply voltages from 3 V to 5 V.
- What are the available packages for the TJA1051T?
The TJA1051T is available in SO8 and HVSON8 packages.
- Is the TJA1051T RoHS compliant?
Yes, the TJA1051T is RoHS compliant and halogen-free.
- What are the operating modes of the TJA1051T?
The TJA1051T supports Normal, Silent, and Off operating modes (Off mode available on TJA1051T/E).
- What is the virtual junction temperature range for the TJA1051T?
The virtual junction temperature range for the TJA1051T is -40°C to +150°C.
- Is the TJA1051T AEC-Q100 qualified?
Yes, the TJA1051T is AEC-Q100 qualified.
- What are some common applications of the TJA1051T?
The TJA1051T is commonly used in in-vehicle networks, automotive control units, and driver assistance systems.
