Overview
The TJA1051T/3/CM,118 is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. It serves as an interface between a CAN protocol controller and the physical two-wire CAN bus, making it an essential component in high-speed CAN applications, particularly in the automotive industry. This transceiver belongs to 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 models like the TJA1050.
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 | 3.5 | 4.5 | 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 | |
| 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).
- High ElectroStatic Discharge (ESD) handling capability on the bus pins.
- Bus pins protected against transients in automotive environments.
- Transmit Data (TXD) dominant time-out function.
- Undervoltage detection on pins VCC and VIO.
- Thermally protected.
- Ideal passive behavior to the CAN bus when the supply voltage is off.
- Available in SO8 and HVSON8 packages.
- AEC-Q100 qualified and RoHS compliant.
Applications
The TJA1051T/3/CM,118 is designed for high-speed CAN applications in the automotive industry. It is suitable for various automotive systems that require reliable and high-speed communication, such as engine control units, transmission control units, and other vehicle network nodes. It is also applicable in other industrial environments where high-speed CAN communication is necessary.
Q & A
- What is the TJA1051T/3/CM,118 used for? The TJA1051T/3/CM,118 is a high-speed CAN transceiver used to interface between a CAN protocol controller and the physical two-wire CAN bus.
- What are the key improvements of the TJA1051 over earlier models? The TJA1051 offers improved EMC and ESD performance, low EME, high EMI, and better slope control on the bus pins.
- What are the operating modes of the TJA1051T/3/CM,118? The transceiver supports Normal and Silent modes, with an additional Off mode available in the TJA1051T/E version.
- What is the maximum data rate supported by the TJA1051T/3/CM,118? The transceiver supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- Is the TJA1051T/3/CM,118 compatible with microcontrollers of different supply voltages? Yes, the TJA1051T/3 and TJA1051TK/3 can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V.
- What kind of protection does the TJA1051T/3/CM,118 offer? The transceiver offers high ESD handling capability, protection against transients in automotive environments, and undervoltage detection on pins VCC and VIO.
- What are the package options for the TJA1051T/3/CM,118? The transceiver is available in SO8 and HVSON8 packages.
- Is the TJA1051T/3/CM,118 compliant with automotive standards? Yes, it is compliant with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards and is AEC-Q100 qualified.
- What is the temperature range for the TJA1051T/3/CM,118? The virtual junction temperature range is from -40°C to +150°C.
- Is the TJA1051T/3/CM,118 RoHS compliant? Yes, it is RoHS compliant and halogen-free.
