Overview
The TJA1049T/3/1Z is a high-speed CAN (Controller Area Network) transceiver produced by NXP USA Inc. This component is part of the third generation of high-speed CAN transceivers, offering significant improvements in ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance. It is designed to 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.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.75 | 5.25 | V | ||
| ICC supply current (Standby mode) | TJA1049T or TJA1049TK; includes IIO; VTXD = VIO | - | 10 | 15 | μA |
| ICC supply current (Normal mode, recessive) | VTXD = VIO | 2.5 | 5 | 7.5 | mA |
| ICC supply current (Normal mode, dominant) | VTXD = 0 V | 20 | 45 | 65 | mA |
| VIO supply voltage | 2.8 | 5.5 | V | ||
| I/O level adapter supply current (Standby mode) | VTXD = VIO | 5 | 14 | μA | |
| I/O level adapter supply current (Normal mode, recessive) | VTXD = VIO | 15 | 200 | μA | |
| Operating temperature range | -40 | 150 | °C | ||
| Package types | SO8, HVSON8 |
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).
- VIO input allows for direct interfacing with 3 V to 5 V microcontrollers.
- SPLIT voltage output for stabilizing recessive bus level.
- AEC-Q100 qualified and RoHS compliant.
- Standby mode with very low current consumption and bus wake-up capability.
- Available in SO8 and HVSON8 packages, including a leadless HVSON8 package.
Applications
The TJA1049T/3/1Z is primarily used in high-speed CAN (HS-CAN) networks within the automotive industry. It is suitable for nodes that require a low-power mode with wake-up capability via the CAN bus. This includes various automotive systems such as engine control units, transmission control units, and other networked automotive components.
Q & A
- What is the TJA1049T/3/1Z used for?
The TJA1049T/3/1Z 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 TJA1049T/3/1Z complies with ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 standards.
- What is the maximum data rate it supports?
The TJA1049T/3/1Z 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 4.75 V to 5.25 V, and the VIO supply voltage range is 2.8 V to 5.5 V.
- What are the package types available for the TJA1049T/3/1Z?
The TJA1049T/3/1Z is available in SO8 and HVSON8 packages, including a leadless HVSON8 package.
- Is the TJA1049T/3/1Z AEC-Q100 qualified?
Yes, the TJA1049T/3/1Z is AEC-Q100 qualified.
- What is the standby mode current consumption?
The standby mode current consumption is typically 10 μA to 15 μA.
- Does the TJA1049T/3/1Z support wake-up via the CAN bus in standby mode?
Yes, the TJA1049T/3/1Z supports wake-up via the CAN bus in standby mode.
- What is the operating temperature range of the TJA1049T/3/1Z?
The operating temperature range is -40°C to 150°C.
- Is the TJA1049T/3/1Z RoHS compliant?
Yes, the TJA1049T/3/1Z is RoHS compliant and halogen-free.
