Overview
The TJA1051T/3,118 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 an essential part of automotive and industrial communication systems. It 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.
Key Specifications
| Symbol | 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 |
| IIO | Supply current on pin VIO | Normal/Silent mode recessive; VTXD = VIO - 0.8 V | 80 | 250 | μA | |
| IIO | Supply current on pin VIO | dominant; VTXD = 0 V | 350 | 500 | μA | |
| 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 for reliable CAN communication.
- 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 direct interfacing with microcontrollers having supply voltages from 3 V to 5 V.
- EN input on TJA1051T/E enables switching the transceiver to a very low-current Off mode.
- Available in SO8 and HVSON8 packages, with improved Automated Optical Inspection (AOI) capability.
- Dark green product, halogen-free, and RoHS compliant.
- AEC-Q100 qualified for automotive applications.
- High ESD handling capability on bus pins and protection against transients in automotive environments).
- Undervoltage detection on pins VCC and VIO, and thermal protection).
Applications
The TJA1051T/3,118 is primarily used in high-speed CAN applications within the automotive industry. It is suitable for various automotive systems, including engine control units, transmission control units, and other networked automotive components. Additionally, it can be used in industrial automation and other applications requiring reliable and high-speed CAN communication).
Q & A
- What is the TJA1051T/3,118 used for?
The TJA1051T/3,118 is a high-speed CAN transceiver used to interface between a CAN protocol controller and the physical two-wire CAN bus in automotive and industrial applications.
- What are the key standards it complies with?
It 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/3,118?
The TJA1051T/3,118 supports data rates up to 5 Mbit/s in the CAN FD fast phase.
- What are the supported supply 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.
- What types of packages are available for the TJA1051T/3,118?
It is available in SO8 and HVSON8 packages.
- Is the TJA1051T/3,118 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the operating temperature range of the TJA1051T/3,118?
The virtual junction temperature range is -40°C to +150°C.
- Does the TJA1051T/3,118 have built-in protection features?
Yes, it includes high ESD handling capability, undervoltage detection, and thermal protection.
- Can the TJA1051T/3,118 be switched to a low-current Off mode?
Yes, the TJA1051T/E version allows switching to a very low-current Off mode via the EN pin.
- Is the TJA1051T/3,118 RoHS compliant?
Yes, it is RoHS compliant and halogen-free.
