Overview
The TJA1028TK/5V0/20AZ, produced by NXP USA Inc., is a LIN (Local Interconnect Network) transceiver with an integrated low-drop voltage regulator. This component is designed to comply with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards. It combines the functionality of a LIN transceiver and a voltage regulator in a single chip, making it ideal for compact node designs in LIN bus systems.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | HVSON8 (3 mm × 3 mm) |
| Voltage Regulator Output | Up to 70 mA, available in 3.3 V and 5.0 V variants |
| Operating Voltage Range | 4.5 V to 28 V, with maximum voltage handling up to 40 V |
| Transmission Speed | Optimized for 20 kBd (TJA1028Tx/20 variants) and 10.4 kBd (TJA1028Tx/10 variants) |
| ESD Performance | Strong ElectroStatic Discharge (ESD) performance |
| Power Modes | Normal, Standby, Sleep, and Off modes with wake-up capability via the LIN bus |
| VCC Supply Voltage | For 5 V variant: 4.9 V to 5.1 V; For 3.3 V variant: 3.234 V to 3.366 V |
Key Features
- Integrated low-drop voltage regulator to power the Electronic Control Unit (ECU) and its peripherals.
- Compliance with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- Strong ElectroStatic Discharge (ESD) performance and high voltage handling on the LIN bus.
- Support for Sleep mode to minimize current consumption with wake-up capability via the LIN bus.
- Compact packaging options including SO8 and HVSON8, reducing board space by over 70%.
- Optimized for transmission speeds of 20 kBd and 10.4 kBd.
- Wave shaping for LIN output to achieve optimum ElectroMagnetic Compatibility (EMC) performance.
Applications
- Local Interconnect Network (LIN) bus systems in automotive and industrial environments.
- Compact node designs where board space is limited.
- Electronic Control Units (ECUs) and their peripherals in various applications.
- Automotive systems requiring robust and reliable communication and power management.
Q & A
- What is the TJA1028TK/5V0/20AZ used for?
The TJA1028TK/5V0/20AZ is used as a LIN transceiver with an integrated voltage regulator in Local Interconnect Network (LIN) bus systems, particularly in automotive and industrial applications.
- What are the key standards that the TJA1028TK/5V0/20AZ complies with?
The TJA1028TK/5V0/20AZ complies with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What is the operating voltage range of the TJA1028TK/5V0/20AZ?
The operating voltage range is from 4.5 V to 28 V, with maximum voltage handling up to 40 V.
- What are the transmission speeds supported by the TJA1028TK/5V0/20AZ?
The component supports transmission speeds of 20 kBd and 10.4 kBd depending on the variant.
- Does the TJA1028TK/5V0/20AZ have power-saving features?
Yes, it supports Sleep mode to minimize current consumption and has wake-up capability via the LIN bus.
- What types of packages are available for the TJA1028TK/5V0/20AZ?
The component is available in SO8 and HVSON8 packages.
- How much current can the integrated voltage regulator deliver?
The integrated voltage regulator can deliver up to 70 mA.
- What is the significance of the HVSON8 package?
The HVSON8 package reduces the required board space by over 70% compared to other packages.
- Does the TJA1028TK/5V0/20AZ have strong ESD performance?
Yes, the component offers strong ElectroStatic Discharge (ESD) performance.
- How does the TJA1028TK/5V0/20AZ handle high voltages on the LIN bus?
The component is designed to withstand high voltages on the LIN bus, ensuring robust operation.
