Overview
The TJA1028T/3V3/20,11 is a LIN (Local Interconnect Network) transceiver with an integrated low-drop voltage regulator, designed and manufactured by NXP USA Inc. This component is compliant with LIN 2.0, LIN 2.1, LIN 2.2, SAE J2602, and ISO 17987-4:2016 (12 V) standards. It combines the functionalities of a LIN transceiver and a voltage regulator in a single chip, making it ideal for compact node designs in LIN bus systems. The device is available in both SO8 and HVSON8 packages, with the latter reducing board space by over 70%.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage Regulator Output | 3.3 V | V |
| Maximum Output Current (VCC) | 70 mA | mA |
| Operating Voltage Range (VBAT) | 4.5 V to 28 V | V |
| Maximum Voltage (VBAT) | 40 V | V |
| Package Types | SO8, HVSON8 | - |
| Thermal Resistance (SO8 package) | 88 K/W | K/W |
| Thermal Resistance (HVSON8 package) | 59 K/W | K/W |
| Operating Modes | Normal, Standby, Sleep, Off | - |
Key Features
- LIN Compliance: Compliant with LIN 2.0, LIN 2.1, LIN 2.2, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- Integrated Voltage Regulator: Delivers up to 70 mA with output voltages of 3.3 V or 5.0 V.
- Compact Packaging: Available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space by over 70%.
- Low Power Consumption: Supports a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- Robust Design: Offers strong ElectroStatic Discharge (ESD) performance and can withstand high voltages on the LIN bus.
- Operating Modes: Includes Normal, Standby, Sleep, and Off modes for flexible operation.
Applications
The TJA1028T/3V3/20,11 is designed for use in various automotive and industrial applications that require LIN bus communication. These include:
- Automotive networks: For communication between different components in vehicles.
- Industrial control systems: For reliable and efficient communication in industrial environments.
- Smart home devices: For integrating devices that require LIN bus communication.
- Medical devices: Where reliable and low-power communication is crucial.
Q & A
- What are the main standards that the TJA1028T/3V3/20,11 complies with?
The TJA1028T/3V3/20,11 is compliant with LIN 2.0, LIN 2.1, LIN 2.2, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What is the maximum output current of the integrated voltage regulator?
The maximum output current of the integrated voltage regulator is 70 mA.
- What are the available package types for the TJA1028T/3V3/20,11?
The device is available in both SO8 and HVSON8 packages.
- 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.
- How does the TJA1028T/3V3/20,11 minimize power consumption?
The device supports a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- What are the thermal resistance values for the SO8 and HVSON8 packages?
The thermal resistance for the SO8 package is 88 K/W, and for the HVSON8 package, it is 59 K/W.
- What are the different operating modes of the TJA1028T/3V3/20,11?
The device supports Normal, Standby, Sleep, and Off operating modes.
- How does the TJA1028T/3V3/20,11 protect against negative voltages on the VBAT pin?
An external diode is needed in series to protect the device against negative voltages.
- What is the maximum voltage that the VBAT pin can handle?
The VBAT pin can handle voltages up to 40 V.
- What are some typical applications of the TJA1028T/3V3/20,11?
Typical applications include automotive networks, industrial control systems, smart home devices, and medical devices.
