Overview
The TJA1028T/3V3/20/1U is a LIN (Local Interconnect Network) transceiver developed by NXP Semiconductors. This component is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 standards, making it suitable for use in 12 V automotive and industrial applications. It features an integrated low-drop voltage regulator, which can deliver up to 70 mA, and is available in both 3.3 V and 5.0 V variants. The device is designed to facilitate the development of compact nodes in LIN bus systems, offering strong ElectroStatic Discharge (ESD) performance and the ability to withstand high voltages on the LIN bus.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | SO8 or HVSON8 | SO8: 8 leads, body width 3.9 mm; HVSON8: 3 mm × 3 mm |
| Regulator Voltage | Output voltage of the integrated regulator | 3.3 V or 5.0 V |
| Baud Rate | Communication speed | 10.4 kBd or 20 kBd |
| Operating Voltage Range | Input voltage range for VBAT pin | 4.5 V to 28 V, with max voltage up to 40 V |
| Current Consumption | Maximum current delivered by the voltage regulator | Up to 70 mA |
| ESD Performance | ElectroStatic Discharge protection | Strong ESD performance |
| Operating Temperature Range | Temperature range for operation | -40°C to +150°C |
| Power Modes | Available power modes | Normal, Standby, Sleep |
Key Features
- Integrated Voltage Regulator: Delivers up to 70 mA and available in 3.3 V and 5.0 V variants.
- Compact Packaging: Available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space by over 70%.
- Robust ESD Performance: Strong ElectroStatic Discharge protection to ensure reliability in harsh environments.
- Power Management: Supports Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- High Voltage Tolerance: Can withstand high voltages on the LIN bus.
Applications
The TJA1028T/3V3/20/1U is primarily used in automotive and industrial applications, particularly in Local Interconnect Network (LIN) bus systems. It is suitable for various nodes in these systems, including sensors, actuators, and control units. The component's compact packaging and robust features make it ideal for applications where space is limited and reliability is critical.
Q & A
- What are the main standards that the TJA1028T/3V3/20/1U complies with?
The TJA1028T/3V3/20/1U is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 standards.
- What is the output voltage of the integrated voltage regulator?
The integrated voltage regulator can deliver output voltages of 3.3 V or 5.0 V.
- What are the available baud rates for the TJA1028T/3V3/20/1U?
The available 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 up to 40 V.
- How much current can the voltage regulator deliver?
The voltage regulator can deliver up to 70 mA.
- What are the available power modes for the TJA1028T/3V3/20/1U?
The available power modes are Normal, Standby, and Sleep.
- What is the significance of the HVSON8 package?
The HVSON8 package reduces the required board space by over 70%, making it valuable for applications where space is limited.
- How does the TJA1028T/3V3/20/1U handle high voltages on the LIN bus?
The component can withstand high voltages on the LIN bus due to its robust design and strong ESD performance.
- What is the operating temperature range for the TJA1028T/3V3/20/1U?
The operating temperature range is from -40°C to +150°C.
- Is the TJA1028T/3V3/20/1U compliant with environmental regulations?
Yes, the component is compliant with EU Directives RoHS, ELV, and China RoHS, and it is also halogen-free and lead-free.
