Overview
The TJA1051T,112 is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. This device is designed to provide an interface between a CAN protocol controller and the physical two-wire CAN bus, making it an essential component for high-speed CAN applications, particularly in the automotive industry. The TJA1051T,112 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 | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | - | 5.5 | V |
| VIO Supply Voltage | 2.8 | - | 5.5 | V |
| Operating Temperature | -40 | - | 150 | °C |
| Supply Current (Off Mode) | 1 | 5 | 8 | μA |
| Supply Current (Silent Mode) | 0.1 | 1 | 2.5 | mA |
| Supply Current (Normal Mode, Recessive) | 2.5 | 5 | 10 | mA |
| Supply Current (Normal Mode, Dominant) | 20 | 50 | 70 | mA |
| ESD Protection | -8 | - | +8 | kV |
| Package Type | - | - | SO8, HVSON8 | - |
Key Features
- ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 Compliant: Ensures reliable communication in CAN FD fast phase at data rates up to 5 Mbit/s.
- Low ElectroMagnetic Emission (EME) and High ElectroMagnetic Immunity (EMI): Optimized for use in noisy environments.
- High ESD Protection: Offers up to ±8 kV ESD protection on bus pins.
- Low Power Consumption: Predictable functional behavior under all supply conditions, with low current in silent and off modes.
- Wide Operating Temperature Range: Operates from -40°C to +150°C.
- Suitable for 12 V and 24 V Systems: Versatile for various automotive and industrial applications.
- Direct Interfacing with Microcontrollers: VIO input allows direct interfacing with microcontrollers having supply voltages from 3 V to 5 V.
- Thermally Protected and AEC-Q100 Qualified: Ensures reliability and durability in harsh automotive environments.
Applications
The TJA1051T,112 is suitable for a variety of applications where reliable high-speed CAN communication is essential. These include:
- Automotive Communication Systems: Ideal for use in CAN-based networks in vehicles.
- Industrial Automation: Suitable for industrial automation systems such as manufacturing and process control.
- Battery-Powered Devices: Optimized for low power consumption, making it suitable for battery-powered devices.
Q & A
- What is the TJA1051T,112 used for?
The TJA1051T,112 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 TJA1051T,112 over earlier models?
The TJA1051T,112 offers improved EMC and ESD performance, low power consumption, and a wide operating temperature range. - What are the operating voltage ranges for VCC and VIO?
VCC operates from 4.5 V to 5.5 V, and VIO operates from 2.8 V to 5.5 V. - What is the maximum data rate supported by the TJA1051T,112?
The TJA1051T,112 supports data rates up to 5 Mbit/s in the CAN FD fast phase. - Is the TJA1051T,112 suitable for use in automotive systems?
Yes, it is designed for high-speed CAN applications in the automotive industry and is AEC-Q100 qualified. - What types of packages are available for the TJA1051T,112?
The device is available in SO8 and HVSON8 packages. - How does the TJA1051T,112 handle ESD protection?
The device offers up to ±8 kV ESD protection on bus pins. - Can the TJA1051T,112 be used with microcontrollers of different supply voltages?
Yes, the VIO input allows direct interfacing with microcontrollers having supply voltages from 3 V to 5 V. - What is the operating temperature range of the TJA1051T,112?
The device operates from -40°C to +150°C. - Is the TJA1051T,112 thermally protected?
Yes, it is thermally protected to ensure reliability in harsh environments.
