Overview
The TJA1051T/2Z is a 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. It is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards, making it suitable for various high-speed CAN networks, particularly in automotive and industrial applications where reliable communication is crucial.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.5 | V | ||
| VIO supply voltage on pin VIO | 2.8 | 5.5 | V | ||
| Undervoltage detection voltage on pin VCC (Vuvd(VCC)) | 3.5 | 4.5 | V | ||
| Undervoltage detection voltage on pin VIO (Vuvd(VIO)) | 1.3 | 2.0 | 2.7 | V | |
| 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 | |
| Virtual junction temperature (Tvj) | -40 | 150 | °C | ||
| Electrostatic discharge voltage (VESD) at pins CANH and CANL | IEC 61000-4-2 | -8 | +8 | kV |
Key Features
- Compliance with Standards: The TJA1051T/2Z is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards, ensuring reliable communication in high-speed CAN networks.
- High-Speed Data Rates: Supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- Low EME and High EMI: Features low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI), making it suitable for harsh automotive environments.
- Protection Features: Includes high ElectroStatic Discharge (ESD) handling capability, bus pins protected against transients, transmit data (TXD) dominant time-out function, and undervoltage detection on pins VCC and VIO.
- Operating Modes: Supports Normal and Silent modes, with an additional Off mode available in some versions via the EN pin.
- Supply Voltage Flexibility: Can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V.
- Thermal Protection: Thermally protected to ensure safe operation within a wide temperature range.
Applications
- Automotive Systems: Ideal for use in 12 V and 24 V automotive systems, including engine control units, transmission control units, and other vehicle network nodes.
- Industrial Automation: Suitable for industrial automation applications requiring reliable high-speed CAN communication.
- Embedded Systems: Used in various embedded systems that require a robust CAN interface.
Q & A
- What is the TJA1051T/2Z used for?
The TJA1051T/2Z 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/2Z compliant with?
The TJA1051T/2Z 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/2Z?
The TJA1051T/2Z supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating modes of the TJA1051T/2Z?
The TJA1051T/2Z supports Normal and Silent modes, with an additional Off mode available in some versions via the EN pin.
- What is the supply voltage range for the TJA1051T/2Z?
The TJA1051T/2Z can operate with supply voltages from 4.5 V to 5.5 V for VCC and 2.8 V to 5.5 V for VIO.
- What kind of protection does the TJA1051T/2Z offer?
The TJA1051T/2Z includes high ESD handling capability, bus pins protected against transients, TXD dominant time-out function, and undervoltage detection on pins VCC and VIO.
- What is the temperature range for the TJA1051T/2Z?
The TJA1051T/2Z can operate within a temperature range of -40°C to +150°C.
- Is the TJA1051T/2Z suitable for automotive applications?
Yes, the TJA1051T/2Z is suitable for use in 12 V and 24 V automotive systems.
- What package type does the TJA1051T/2Z come in?
The TJA1051T/2Z comes in an SO8 (plastic small outline package) with 8 leads.
- Is the TJA1051T/2Z RoHS compliant?
Yes, the TJA1051T/2Z is RoHS compliant and also halogen-free.
