Overview
The TJA1028T/3V3/10/2Z, produced by NXP USA Inc., is a LIN (Local Interconnect Network) 2.0/2.1/SAE J2602 and ISO 17987-4:2016 (12 V) compliant transceiver. This component is designed to facilitate the development of compact nodes in LIN bus systems. It features an integrated low-drop voltage regulator, which can deliver up to 70 mA and is available in 3.3 V and 5.0 V variants. The TJA1028T is particularly useful in automotive and industrial applications where robust and efficient communication is required.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage (3.3 V) | VBAT = 4.5 V to 28 V, IVCC = -70 mA to 0 mA | 3.234 | 3.3 | 3.366 | V |
| VCC Supply Voltage (5 V) | VBAT = 4.5 V to 28 V, IVCC = -70 mA to 0 mA | 4.9 | 5 | 5.1 | V |
| Output Current Limit | VCC = 0 V to 5.5 V | -250 | - | -70 | mA |
| Undervoltage Detection Voltage (3.3 V) | - | 2.97 | - | 3.135 | V |
| Undervoltage Recovery Voltage (3.3 V) | - | 3.036 | - | 3.234 | V |
| Operating Voltage Range | - | 4.5 | - | 28 | V |
| Maximum Voltage on VBAT | - | - | - | 40 | V |
| Package Type | - | - | - | SO8, HVSON8 | - |
Key Features
- LIN 2.0/2.1/SAE J2602 and ISO 17987-4:2016 (12 V) compliance
- Integrated low-drop voltage regulator delivering up to 70 mA
- Available in 3.3 V and 5.0 V variants
- Strong ElectroStatic Discharge (ESD) performance
- Support for Sleep mode to minimize current consumption
- Wake-up capability via the LIN bus in Sleep mode
- Compact package options: SO8 and HVSON8 (reduces board space by over 70%)
- Operating voltage range from 4.5 V to 28 V, with maximum voltage handling up to 40 V
Applications
- Automotive systems: particularly in vehicle networks requiring LIN bus communication
- Industrial automation: for robust and efficient communication in industrial environments
- Compact node development: ideal for applications where space is limited
- Robust designs: suitable for systems requiring strong ESD performance and high voltage handling
Q & A
- What is the TJA1028T/3V3/10/2Z used for?
The TJA1028T/3V3/10/2Z 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 voltage regulator variants available for the TJA1028T?
The voltage regulator is available in 3.3 V and 5.0 V variants.
- What is the maximum current delivery of the integrated voltage regulator?
The integrated voltage regulator can deliver up to 70 mA.
- What are the package options for the TJA1028T?
The TJA1028T is available in SO8 and HVSON8 packages.
- How does the TJA1028T handle ElectroStatic Discharge (ESD)?
The TJA1028T offers strong ESD performance to support robust designs.
- What is the operating voltage range of the TJA1028T?
The operating voltage range is from 4.5 V to 28 V, with maximum voltage handling up to 40 V.
- Does the TJA1028T support any power-saving modes?
Yes, the TJA1028T supports a Sleep mode to minimize current consumption, with wake-up capability via the LIN bus.
- What are the key standards that the TJA1028T complies with?
The TJA1028T complies with LIN 2.0/2.1/SAE J2602 and ISO 17987-4:2016 (12 V) standards.
- How does the HVSON8 package benefit the design?
The HVSON8 package reduces the required board space by over 70%, making it ideal for compact node development.
- What protection is required for the VBAT pin?
An external diode is needed in series to protect the device against negative voltages on the VBAT pin.
