Overview
The TJA1051T/CM118 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, making it suitable for high-speed CAN applications, particularly in the automotive industry. It belongs to the third generation of high-speed CAN transceivers from NXP, offering improved ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance compared to earlier generations.
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 | ||
| Vuvd(VCC) 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, supporting data rates up to 5 Mbit/s in the CAN FD fast phase.
- Suitable for 12 V and 24 V systems, making it versatile for various automotive applications.
- Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI) for reliable operation in noisy environments.
- High ElectroStatic Discharge (ESD) handling capability on the bus pins, protecting against transients in automotive environments.
- Undervoltage detection on pins VCC and VIO, and thermally protected for enhanced reliability.
- Supports Normal and Silent operating modes, with an additional Off mode available in the TJA1051T/E version.
- Direct interfacing to microcontrollers with supply voltages from 3 V to 5 V, especially with the TJA1051T/3 and TJA1051TK/3 versions.
Applications
The TJA1051T/CM118 is primarily used in high-speed CAN networks within the automotive industry. It is suitable for various applications such as:
- Vehicle control systems
- Automotive diagnostics and communication systems
- Advanced driver-assistance systems (ADAS)
- Infotainment and navigation systems
- Other automotive electronics requiring reliable and high-speed CAN communication
Q & A
- What is the TJA1051T/CM118 used for?
The TJA1051T/CM118 is a high-speed CAN transceiver used to interface between a CAN protocol controller and the physical two-wire CAN bus in automotive applications.
- What are the key standards it complies with?
The TJA1051T/CM118 complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What is the maximum data rate supported by the TJA1051T/CM118?
The TJA1051T/CM118 supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the operating voltage ranges for VCC and VIO?
The VCC supply voltage range is 4.5 V to 5.5 V, and the VIO supply voltage range is 2.8 V to 5.5 V.
- Does the TJA1051T/CM118 have ESD protection?
Yes, the TJA1051T/CM118 has high ElectroStatic Discharge (ESD) handling capability on the bus pins.
- What are the operating modes supported by the TJA1051T/CM118?
The TJA1051T/CM118 supports Normal and Silent operating modes. The TJA1051T/E version also supports an additional Off mode.
- Can the TJA1051T/CM118 be used with microcontrollers of different supply voltages?
Yes, especially the TJA1051T/3 and TJA1051TK/3 versions, which can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V.
- What is the package type of the TJA1051T/CM118?
The TJA1051T/CM118 comes in a SO8 (plastic small outline package; 8 leads; body width 3.9 mm) package.
- Is the TJA1051T/CM118 RoHS compliant?
Yes, the TJA1051T/CM118 is RoHS compliant and also halogen-free.
- What are the typical applications of the TJA1051T/CM118?
The TJA1051T/CM118 is used in various automotive applications such as vehicle control systems, diagnostics, ADAS, and infotainment systems.
