Overview
The TJA1028T/3V3/20/1 is a Local Interconnect Network (LIN) transceiver produced 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 TJA1028T/3V3/20/1 supports both 3.3 V and 5.0 V voltage regulator variants, with the specific model here operating at 3.3 V and a baud rate of 20 kBd.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | SO8 or HVSON8 | SO8 small plastic outline package; 8 leads; body width 3.9 mm or 3 mm × 3 mm HVSON8 package |
| Voltage Regulator Output | 3.3 V or 5.0 V | 3.234 V to 3.366 V for 3.3 V variant |
| Baud Rate | 10.4 kBd or 20 kBd | 20 kBd |
| Supply Voltage Range | 4.5 V to 28 V | Up to 40 V max |
| Current Consumption | Sleep mode and normal operation | Supports Sleep mode with wake-up capability via LIN bus |
| Thermal Resistance | Junction to ambient for SO8 and HVSON8 packages | 88 K/W for SO8, 59 K/W for HVSON8 |
| ESD Performance | Robust ESD protection | High voltage tolerance on the LIN bus |
Key Features
- Integrated Voltage Regulator: Delivers up to 70 mA and is available in 3.3 V and 5.0 V variants.
- Compliance Standards: Compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- Low Power Consumption: Supports Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- Robust Design: Offers strong ElectroStatic Discharge (ESD) performance and high voltage tolerance on the LIN bus.
- Compact Packaging: Available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space by over 70%.
Applications
The TJA1028T/3V3/20/1 is primarily used in automotive and industrial applications where Local Interconnect Network (LIN) bus systems are employed. It is suitable for various nodes in these systems, including sensors, actuators, and control units. The component's compact design and integrated voltage regulator make it ideal for space-constrained environments.
Q & A
- What are the main compliance standards for the TJA1028T/3V3/20/1?
The TJA1028T/3V3/20/1 is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What is the voltage regulator output of the TJA1028T/3V3/20/1?
The voltage regulator output for this specific model is 3.3 V, delivering up to 70 mA.
- What are the available package types for the TJA1028T/3V3/20/1?
The component is available in SO8 and HVSON8 packages.
- What is the baud rate of the TJA1028T/3V3/20/1?
The baud rate of the TJA1028T/3V3/20/1 is 20 kBd.
- How does the TJA1028T/3V3/20/1 manage power consumption?
The component supports a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- What is the thermal resistance of the TJA1028T/3V3/20/1 in different packages?
The thermal resistance from junction to ambient is 88 K/W for the SO8 package and 59 K/W for the HVSON8 package.
- Does the TJA1028T/3V3/20/1 have robust ESD protection?
Yes, the component offers strong ElectroStatic Discharge (ESD) performance and high voltage tolerance on the LIN bus.
- What is the supply voltage range for the TJA1028T/3V3/20/1?
The supply voltage range is from 4.5 V to 28 V, with a maximum voltage of 40 V.
- How does the TJA1028T/3V3/20/1 handle negative voltages on the battery pin?
An external diode is needed in series to protect the device against negative voltages.
- What are the typical applications of the TJA1028T/3V3/20/1?
The component is used in automotive and industrial applications, particularly in nodes of Local Interconnect Network (LIN) bus systems.
