Overview
The TJA1028T/5V0/20/1U is a Local Interconnect Network (LIN) transceiver with an integrated low-drop voltage regulator, designed and manufactured by NXP USA Inc. This component is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards. It is particularly suited for compact node designs in LIN bus systems, offering robust performance and efficient power management.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | SO8, HVSON8 | 8 leads; 1.27 mm pitch; 4.9 mm x 3.9 mm x 1 mm (SO8), 3 mm x 3 mm (HVSON8) |
| Voltage Regulator Output | Available in 3.3 V and 5.0 V variants | Up to 70 mA |
| Operating Voltage Range | VBAT pin | 4.5 V to 28 V, max 40 V |
| Transmission Speed | Optimized variants | 10.4 kBd (TJA1028Ax, TJA1028Cx), 20 kBd (TJA1028Tx/20, TJA1028Bx, TJA1028Dx) |
| ESD Performance | Robust ESD protection | High voltage tolerance on the LIN bus |
| Power Modes | Sleep, Standby, Normal | Wake-up capability via LIN bus |
| VCC Supply Voltage | Nominal voltage | 3.234 - 3.366 V (3.3 V variant), 4.9 - 5.1 V (5.0 V variant) |
Key Features
- LIN 2.0/2.1/SAE J2602 and ISO 17987-4:2016 (12 V) compliant transceiver
- Integrated low-drop voltage regulator delivering up to 70 mA in 3.3 V and 5.0 V variants
- Robust ESD performance and high voltage tolerance on the LIN bus
- Support for Sleep mode with wake-up capability via the LIN bus
- Available in SO8 and HVSON8 packages, reducing board space by over 70% with the HVSON8 package
- Optimized for transmission speeds of 10.4 kBd and 20 kBd depending on the variant
- Wave shaping for LIN output to achieve optimum ElectroMagnetic Compatibility (EMC) performance
Applications
The TJA1028T/5V0/20/1U is designed for use in Local Interconnect Network (LIN) bus systems, particularly in automotive and industrial applications where compact and robust node designs are required. It is suitable for Electronic Control Units (ECUs) and other peripherals that need reliable communication and power management.
Q & A
- What are the main standards that the TJA1028T/5V0/20/1U complies with?
The TJA1028T/5V0/20/1U is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What types of voltage regulators are integrated into the TJA1028T/5V0/20/1U?
The component includes integrated low-drop voltage regulators available in 3.3 V and 5.0 V variants, delivering up to 70 mA.
- What are the operating voltage ranges for the TJA1028T/5V0/20/1U?
The operating voltage range is from 4.5 V to 28 V, with a maximum voltage of 40 V on the VBAT pin.
- What are the transmission speeds supported by the TJA1028T/5V0/20/1U?
The component supports transmission speeds of 10.4 kBd and 20 kBd depending on the variant.
- Does the TJA1028T/5V0/20/1U have any power-saving features?
Yes, it supports Sleep and Standby modes with wake-up capability via the LIN bus.
- What types of packages are available for the TJA1028T/5V0/20/1U?
The component is available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space by over 70%.
- How does the TJA1028T/5V0/20/1U ensure robust ESD performance?
The component offers strong ElectroStatic Discharge (ESD) performance and can withstand high voltages on the LIN bus.
- What is the purpose of the wave shaping feature in the TJA1028T/5V0/20/1U?
The wave shaping feature is designed to achieve optimum ElectroMagnetic Compatibility (EMC) performance.
- Can the TJA1028T/5V0/20/1U be used in automotive applications?
Yes, it is suitable for use in automotive and industrial applications requiring compact and robust node designs.
- How does the voltage regulator power the ECU and its peripherals?
The voltage regulator is designed to power the Electronic Control Unit (ECU) and its peripherals, ensuring reliable operation.
