Overview
The TJA1028T/3V3/10:11 is a Local Interconnect Network (LIN) transceiver manufactured by NXP USA Inc. This component is designed to be compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards. It features an integrated low-drop voltage regulator, making it suitable for compact node designs in LIN bus systems.
The device supports robust designs with strong ElectroStatic Discharge (ESD) performance and can handle high voltages on the LIN bus. It also includes a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VBAT Operating Range | 4.5 | 28 | V | ||
| VBAT Maximum Voltage | 40 | V | |||
| VCC Supply Voltage (3.3 V variant) | VBAT = 4.5 V to 28 V | 3.234 | 3.3 | 3.366 | V |
| VCC Supply Voltage (5 V variant) | VBAT = 4.5 V to 28 V | 4.9 | 5 | 5.1 | V |
| Current Limit (VCC) | VCC = 0 V to 5.5 V | -250 | -70 | mA | |
| Undervoltage Detection Voltage (3.3 V variant) | 2.97 | 3.135 | V | ||
| Undervoltage Recovery Voltage (3.3 V variant) | 3.036 | 3.234 | V | ||
| Package Type | SO8, HVSON8 |
Key Features
- LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) compliant
- 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
- Supports Sleep mode to minimize current consumption with wake-up capability via the LIN bus
- Available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space by over 70%
- Operating range from 4.5 V to 28 V with maximum voltage handling up to 40 V
Applications
- Local Interconnect Network (LIN) bus systems in automotive and industrial applications
- Compact node designs where space is limited
- Systems requiring robust ESD performance and high voltage handling
- Applications needing low power consumption with wake-up capability
Q & A
- What are the main standards that the TJA1028T/3V3/10:11 complies with?
The TJA1028T/3V3/10:11 is compliant with LIN 2.0/2.1, SAE J2602, and ISO 17987-4:2016 (12 V) standards.
- What is the function of the integrated voltage regulator in the TJA1028T/3V3/10:11?
The integrated voltage regulator can deliver up to 70 mA and is available in 3.3 V and 5.0 V variants.
- What are the package options for the TJA1028T/3V3/10:11?
The device is available in SO8 and HVSON8 packages, with the HVSON8 package reducing board space by over 70%.
- What is the operating voltage range of the TJA1028T/3V3/10:11?
The operating range is from 4.5 V to 28 V, with maximum voltage handling up to 40 V.
- Does the TJA1028T/3V3/10:11 support any power-saving modes?
Yes, it supports a Sleep mode to minimize current consumption while maintaining wake-up capability via the LIN bus.
- What is the ESD performance of the TJA1028T/3V3/10:11?
The device offers strong ElectroStatic Discharge (ESD) performance.
- Is the TJA1028T/3V3/10:11 compliant with environmental regulations?
Yes, it is compliant with EU Directives RoHS, ELV, and the China RoHS.
- What is the typical application of the TJA1028T/3V3/10:11?
It is typically used in Local Interconnect Network (LIN) bus systems in automotive and industrial applications.
- How does the TJA1028T/3V3/10:11 handle negative voltages on the VBAT pin?
An external diode is needed in series to protect the device against negative voltages.
- What happens when the voltage on the VBAT pin falls below the power-off detection threshold?
The device switches to Off mode, shutting down the internal logic and the voltage regulator and disabling the LIN transmitter.
