Overview
The TJA1028TK/5V0/10/Z is a LIN (Local Interconnect Network) transceiver developed 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 integrates a low-drop voltage regulator, making it a compact solution for LIN bus systems. The TJA1028 facilitates the development of robust and space-efficient nodes, particularly useful in automotive and industrial applications where board space is limited.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Compliance Standards | LIN 2.0/2.1, SAE J2602, ISO 17987-4:2016 (12 V) | |
| Transmission Speed | 10.4 kBd or 20 kBd | Depending on the variant (e.g., TJA1028Tx/10, TJA1028Tx/20) |
| Voltage Regulator Output | 3.3 V or 5.0 V | Up to 70 mA current delivery |
| Operating Voltage Range | 4.5 V to 28 V | Can handle up to 40 V max |
| Package Type | SO8 or HVSON8 | HVSON8 reduces board space by over 70% |
| ESD Performance | Strong ESD protection | |
| Power Modes | Normal, Standby, Sleep | Wake-up capability via LIN bus in Sleep mode |
| Undervoltage Detection | Vuvd: 2.97 - 3.135 V (3.3 V), 4.6 - 4.9 V (5 V) | |
| Undervoltage Recovery | Vuvr: 3.036 - 3.234 V (3.3 V), 4.9 - 5.1 V (5 V) |
Key Features
- Integrated low-drop voltage regulator delivering up to 70 mA.
- 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 with wake-up capability via the LIN bus to minimize current consumption.
- Available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space significantly.
- Optimized for transmission speeds of 10.4 kBd or 20 kBd depending on the variant.
- Wave shaping of the LIN output for optimum ElectroMagnetic Compatibility (EMC) performance.
Applications
- Automotive systems: The TJA1028 is widely used in vehicle networks for communication between various control units.
- Industrial automation: Suitable for use in industrial control systems where reliable and efficient communication is crucial.
- Consumer electronics: Can be used in devices that require LIN bus communication, such as in home automation systems.
- Medical devices: Applicable in medical equipment that requires robust and reliable communication interfaces.
Q & A
- What are the compliance standards for the TJA1028?
The TJA1028 is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What are the available transmission speeds for the TJA1028?
The TJA1028 supports transmission speeds of 10.4 kBd and 20 kBd depending on the variant.
- What is the output voltage of the integrated voltage regulator?
The integrated voltage regulator can deliver 3.3 V or 5.0 V, with a current delivery of up to 70 mA.
- What is the operating voltage range of the TJA1028?
The operating voltage range is from 4.5 V to 28 V, with the ability to handle up to 40 V max.
- What are the available package types for the TJA1028?
The TJA1028 is available in SO8 and HVSON8 packages.
- Does the TJA1028 have ESD protection?
Yes, the TJA1028 offers strong ElectroStatic Discharge (ESD) performance.
- What power modes does the TJA1028 support?
The TJA1028 supports Normal, Standby, and Sleep modes, with wake-up capability via the LIN bus in Sleep mode.
- How does the TJA1028 reduce board space?
The HVSON8 package reduces the required board space by over 70% compared to the SO8 package.
- What is the purpose of the wave shaping of the LIN output?
The wave shaping of the LIN output is for achieving optimum ElectroMagnetic Compatibility (EMC) performance.
- Can the TJA1028 be used in automotive systems?
Yes, the TJA1028 is widely used in vehicle networks for communication between various control units.
