Overview
The TJA1028TK/3V3/20/J is a Local Interconnect Network (LIN) transceiver developed by NXP USA Inc. This component is designed to be compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards. It features an integrated low-drop voltage regulator, making it suitable for compact node designs in LIN bus systems. The device is available in a 3 mm × 3 mm HVSON8 package, significantly reducing the required board space.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | HVSON8 plastic thermal enhanced very thin small outline package | 3 mm × 3 mm, 8 terminals, 0.65 mm pitch |
| Voltage Regulator Output | Available in 3.3 V and 5.0 V variants | Up to 70 mA |
| Baud Rate | 10.4 kBd or 20 kBd | 10.4 kBd or 20 kBd |
| Operating Voltage Range | VBAT pin | 4.5 V to 28 V, up to 40 V max |
| Thermal Resistance | Junction to ambient (HVSON8 package) | 59 K/W |
| Undervoltage Detection | VCC(nom) = 3.3 V | 2.97 V to 3.135 V |
| Undervoltage Recovery | VCC(nom) = 3.3 V | 3.036 V to 3.234 V |
Key Features
- Integrated Voltage Regulator: Delivers up to 70 mA in 3.3 V and 5.0 V variants.
- Compact Package: Available in a 3 mm × 3 mm HVSON8 package, reducing board space by over 70%.
- Robust ESD Performance: Strong ElectroStatic Discharge protection to support robust designs.
- Low Power Consumption: Supports Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- High Voltage Tolerance: Can handle high voltages on the LIN bus and operates within a wide voltage range (4.5 V to 28 V).
Applications
- Automotive Systems: Ideal for use in vehicle networks, especially in LIN bus systems for communication between various automotive components.
- Industrial Automation: Suitable for industrial control systems that require reliable and efficient communication over LIN bus.
- Consumer Electronics: Can be used in consumer electronics that require low-power, compact communication solutions.
Q & A
- What is the TJA1028TK/3V3/20/J used for?
The TJA1028TK/3V3/20/J is a LIN transceiver used for communication in Local Interconnect Network (LIN) bus systems, particularly in automotive and industrial applications.
- What are the available voltage regulator outputs for the TJA1028TK/3V3/20/J?
The voltage regulator outputs are available in 3.3 V and 5.0 V variants.
- What is the maximum current delivery of the integrated voltage regulator?
The integrated voltage regulator can deliver up to 70 mA.
- What are the supported baud rates for the TJA1028TK/3V3/20/J?
The supported baud rates are 10.4 kBd and 20 kBd.
- What is the operating voltage range for the VBAT pin?
The operating voltage range for the VBAT pin is from 4.5 V to 28 V, with a maximum voltage of 40 V.
- How does the TJA1028TK/3V3/20/J minimize power consumption?
The device supports a Sleep mode where the LIN transceiver and the voltage regulator are powered down, minimizing current consumption while maintaining wake-up capability via the LIN bus.
- What is the thermal resistance of the HVSON8 package?
The thermal resistance from junction to ambient for the HVSON8 package is 59 K/W.
- What are the undervoltage detection and recovery voltages for the 3.3 V regulator?
The undervoltage detection voltage is between 2.97 V and 3.135 V, and the undervoltage recovery voltage is between 3.036 V and 3.234 V.
- What package types are available for the TJA1028TK/3V3/20/J?
The device is available in SO8 and HVSON8 packages.
- Why is the HVSON8 package beneficial?
The HVSON8 package reduces the required board space by over 70%, making it ideal for compact designs.
