Overview
The TJA1124AHG/0Z, produced by NXP USA Inc., is a quad Local Interconnect Network (LIN) commander channel device. It serves as the interface between a LIN commander protocol controller and the physical bus in a LIN network. Each of its four channels incorporates a LIN transceiver and LIN commander termination, aligning with the LIN physical layer of the Open System Interconnect (OSI) model. This device is specifically designed for automotive LIN commander applications, supporting multiple LIN commander channels and ensuring excellent ElectroMagnetic Compatibility (EMC) performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | DHVQFN24 | - |
| Package Dimensions | 3.5 mm × 5.5 mm × 0.85 mm | - |
| Number of Terminals | 24 | - |
| Operating Temperature Range | -40 °C to +150 °C | °C |
| VBAT Supply Voltage Range | 5.0 V to 28 V | V |
| VIO Supply Voltage Range | 2.97 V to 5.5 V | V |
| Battery Supply Current (Normal Mode) | 4.3 mA to 9 mA | mA |
| Battery Supply Current (Low Power Mode) | 6 µA to 17.2 µA | µA |
| I/O Supply Current (Normal Mode) | Up to 1 mA | mA |
| ESD Robustness | ±6 kV according to IEC61000-4-2 | kV |
Key Features
- Quad LIN commander channels, each with a LIN transceiver and LIN commander termination.
- Leadless DHVQFN24 package supporting improved Automated Optical Inspection (AOI) capability.
- Excellent ElectroMagnetic Immunity (EMI) and high ESD robustness (±6 kV according to IEC61000-4-2).
- Bus terminal and battery pin protected against transients in the automotive environment (ISO 7637) and short-circuit proof to battery and ground.
- TXD dominant timeout function and LIN dominant timeout function.
- Thermal protection and overtemperature protection modes.
- Compliance with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, ISO 17987-4:2016 (12 V LIN), and SAE J2602-1.
- Supports Normal mode and Low Power mode, along with additional operating modes such as battery supply undervoltage, intermediate VIO undervoltage, and wake-up signalling.
Applications
The TJA1124AHG/0Z is primarily intended for automotive LIN commander applications, where it can manage multiple LIN commander channels. It is suitable for various automotive systems that require reliable and robust LIN communication, including vehicle networking, driver assistance systems, and other automotive control units.
Q & A
- What is the TJA1124AHG/0Z used for? The TJA1124AHG/0Z is used as an interface between a LIN commander protocol controller and the physical bus in a LIN network, specifically in automotive applications.
- How many LIN commander channels does the TJA1124AHG/0Z support? The TJA1124AHG/0Z supports four LIN commander channels.
- What is the package type of the TJA1124AHG/0Z? The package type is DHVQFN24.
- What are the dimensions of the TJA1124AHG/0Z package? The package dimensions are 3.5 mm × 5.5 mm × 0.85 mm.
- What is the operating temperature range of the TJA1124AHG/0Z? The operating temperature range is -40 °C to +150 °C.
- Is the TJA1124AHG/0Z compliant with automotive standards? Yes, it is compliant with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, ISO 17987-4:2016 (12 V LIN), and SAE J2602-1.
- What kind of protection does the TJA1124AHG/0Z offer? It offers excellent ElectroMagnetic Immunity (EMI), high ESD robustness, bus terminal and battery pin protection against transients, and thermal protection.
- What are the main operating modes of the TJA1124AHG/0Z? The main operating modes are Normal mode and Low Power mode, with additional modes such as battery supply undervoltage, intermediate VIO undervoltage, and wake-up signalling.
- How much current does the TJA1124AHG/0Z consume in Low Power mode? The current consumption in Low Power mode is between 6 µA and 17.2 µA.
- Is the TJA1124AHG/0Z short-circuit proof? Yes, the bus terminal is short-circuit proof to battery and ground.
