Overview
The TJA1028TK/5V0/20115 is a LIN (Local Interconnect Network) transceiver produced by NXP USA Inc. This component is designed to be compliant with LIN 2.0, LIN 2.1, LIN 2.2, SAE J2602, and ISO 17987-4:2016 (12 V) standards, ensuring compatibility and robust performance in automotive and industrial applications.
The TJA1028TK features an integrated low-drop voltage regulator, which can deliver up to 70 mA and is available in 3.3 V and 5.0 V variants. This integration facilitates the development of compact nodes in LIN bus systems, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Conditions | Typical Value | Unit |
|---|---|---|---|
| VCC Supply Voltage (nominal 5 V) | VBAT = 4.5 V to 28 V; IVCC = -70 mA to 0 mA | 4.9 - 5.1 | V |
| VCC Supply Voltage (nominal 3.3 V) | VBAT = 4.5 V to 28 V; IVCC = -70 mA to 0 mA | 3.234 - 3.366 | V |
| Output Current Limit | VCC = 0 V to 5.5 V | -250 - -70 | mA |
| Undervoltage Detection Voltage (VCC nominal 5 V) | 4.6 - 4.9 | V | |
| Undervoltage Recovery Voltage (VCC nominal 3.3 V) | 3.036 - 3.234 | V | |
| Operating Voltage Range (VBAT) | 4.5 - 28 | V | |
| Maximum Voltage on VBAT | 40 | V | |
| Thermal Resistance (junction to ambient, SO8 package) | 88 | K/W | |
| Thermal Resistance (junction to ambient, HVSON8 package) | 59 | K/W |
Key Features
- Compliance with Industry Standards: The TJA1028TK is compliant with LIN 2.0, LIN 2.1, LIN 2.2, SAE J2602, and ISO 17987-4:2016 (12 V) standards, ensuring robust and reliable performance in various applications.
- Integrated Voltage Regulator: The component features an integrated low-drop voltage regulator that can deliver up to 70 mA, available in 3.3 V and 5.0 V variants.
- Operating Modes: Supports four operating modes: Normal, Standby, Sleep, and Off, with the ability to wake up via the LIN bus in Sleep mode.
- ESD Protection: Offers strong ElectroStatic Discharge (ESD) performance to withstand high voltages on the LIN bus.
- Compact Packaging: Available in SO8 and 3 mm × 3 mm HVSON8 packages, reducing board space by over 70% in the HVSON8 package.
- Low Power Consumption: Supports a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- Thermal Performance: Optimized thermal characteristics with thermal resistance values suitable for various operating conditions.
Applications
The TJA1028TK is designed for use in automotive and industrial applications where LIN bus communication is required. It is particularly suitable for:
- Automotive networks: For communication between various control units in vehicles.
- Industrial automation: For communication in industrial control systems and sensors.
- Smart home devices: Where LIN bus is used for communication between different components.
- Other embedded systems: Where compact, low-power LIN transceivers are necessary.
Q & A
- What are the main standards that the TJA1028TK complies with?
The TJA1028TK is compliant with LIN 2.0, LIN 2.1, LIN 2.2, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What is the function of the integrated voltage regulator in the TJA1028TK?
The integrated voltage regulator can deliver up to 70 mA and is available in 3.3 V and 5.0 V variants, facilitating the development of compact nodes in LIN bus systems.
- What are the different operating modes supported by the TJA1028TK?
The TJA1028TK supports four operating modes: Normal, Standby, Sleep, and Off.
- How does the TJA1028TK protect against ElectroStatic Discharge (ESD)?
The component offers strong ESD performance to withstand high voltages on the LIN bus.
- What are the packaging options available for the TJA1028TK?
The TJA1028TK is available in SO8 and 3 mm × 3 mm HVSON8 packages.
- How does the Sleep mode in the TJA1028TK help in power management?
The Sleep mode minimizes current consumption while maintaining the ability to wake up via the LIN bus.
- What is the operating voltage range for the VBAT pin of the TJA1028TK?
The operating voltage range for the VBAT pin is from 4.5 V to 28 V, with a maximum voltage of 40 V.
- Is the TJA1028TK compliant with automotive standards?
Yes, the TJA1028TK is AEC-Q100 compliant, making it suitable for automotive applications.
- What are the thermal characteristics of the TJA1028TK?
The component has optimized thermal characteristics, with thermal resistance values of 88 K/W for the SO8 package and 59 K/W for the HVSON8 package.
- Where can I find detailed specifications and datasheets for the TJA1028TK?
Detailed specifications and datasheets can be found on the official NXP Semiconductors website, as well as on distributor websites such as Octopart and Datasheets.com.
