Overview
The TJA1028TK/5V0/20:1 is a Local Interconnect Network (LIN) transceiver developed by NXP USA Inc. This component is designed to be compliant with LIN 2.0, LIN 2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards. It integrates a low-drop voltage regulator, making it a comprehensive solution for LIN bus systems. The device is particularly useful in automotive and industrial applications where compact and robust LIN nodes are required.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage (nominal 5 V) | VBAT = 4.5 V to 28 V, IVCC = -70 mA to 0 mA | 4.9 | 5 | 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 | 3.3 | 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 5 V) | - | 4.9 | - | 5.1 | V |
| Operating Voltage Range (VBAT) | - | 4.5 | - | 28 | V |
| Maximum Voltage on VBAT | - | - | - | 40 | V |
Key Features
- LIN Compliance: Compliant with LIN 2.0, LIN 2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- 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 3 mm × 3 mm HVSON8 packages, reducing board space by over 70%.
- Low Power Consumption: Supports Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- Robust ESD Performance: Capable of withstanding high voltages on the LIN bus and offering strong ElectroStatic Discharge (ESD) protection.
- Power-Off Detection: Automatically switches to Off mode if the voltage on VBAT falls below the detection threshold.
Applications
- Automotive Systems: Suitable for use in engine control units, transmission control modules, and other vehicle control systems.
- Industrial Automation: Used in industrial control systems, manufacturing equipment, and process control systems.
- Other Environments: Can be used in any environment requiring reliable LIN communication, such as in automotive underhood systems and industrial manufacturing facilities.
Q & A
- What is the TJA1028TK/5V0/20:1 used for?
The TJA1028TK/5V0/20:1 is a LIN transceiver used for Local Interconnect Network (LIN) bus systems, particularly in automotive and industrial applications.
- What standards is the TJA1028TK/5V0/20:1 compliant with?
It is compliant with LIN 2.0, LIN 2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What is the voltage range of the integrated voltage regulator?
The integrated voltage regulator can deliver up to 70 mA and is available in 3.3 V and 5.0 V variants.
- What are the available package types for the TJA1028TK/5V0/20:1?
It is available in SO8 and 3 mm × 3 mm HVSON8 packages.
- How does the TJA1028TK/5V0/20:1 manage power consumption?
The device supports a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- What is the maximum voltage the TJA1028TK/5V0/20:1 can handle on VBAT?
The device can handle voltages up to 40 V on the VBAT pin.
- Does the TJA1028TK/5V0/20:1 have ESD protection?
Yes, it offers strong ElectroStatic Discharge (ESD) protection.
- How does the TJA1028TK/5V0/20:1 handle undervoltage conditions?
The device automatically switches to Off mode if the voltage on VBAT falls below the detection threshold.
- 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.
- Is the TJA1028TK/5V0/20:1 suitable for use in noisy environments?
Yes, it is designed to be robust and can withstand high voltages on the LIN bus, making it suitable for noisy environments.
