Overview
The UJA1168TK/FD,118 is a mini high-speed CAN System Basis Chip (SBC) developed by NXP USA Inc. This component is designed for use in small electronic control units, particularly in body and comfort applications within automotive systems. It integrates an ISO 11898-2/5/6 compliant HS-CAN transceiver and a 5 V/100 mA supply for a microcontroller, along with a watchdog and a Serial Peripheral Interface (SPI). The UJA1168TK/FD,118 supports advanced features such as CAN partial networking and CAN FD (Flexible Data Rate) up to 2 Mbit/s, making it suitable for networks that require both standard CAN 2.0 and CAN FD communications.
Key Specifications
| Specification | Details |
|---|---|
| Compliance | ISO 11898-2/5/6, SAE J2284-1 to SAE J2284-5 |
| Transceiver Type | High-Speed CAN (HS-CAN) |
| Microcontroller Supply | 5 V / 100 mA |
| Operating Modes | Normal, Standby, Sleep, Reset, Forced Normal, Overtemp, Off |
| Wake-Up Capability | Bus and local wake-up |
| CAN FD Support | Up to 2 Mbit/s, FD-passive mode |
| Watchdog | Window or Timeout mode |
| SPI Interface | Serial Peripheral Interface |
| High-Voltage Output (INH) | For controlling external voltage regulators |
| Sensor Supply (VEXT) | 5 V sensor supply (in VX variants) |
| Package | 14-HVSON (3x4.5) |
| Mounting Type | Surface Mount |
| Operating Temperature | Not specified (refer to datasheet for detailed temperature range) |
Key Features
- ISO 11898-2/5/6 compliant HS-CAN transceiver
- Integrated 5 V/100 mA low-drop voltage regulator for microcontroller supply
- Support for CAN partial networking with selective wake-up function
- FD-passive mode to ignore CAN FD frames during Sleep/Standby mode
- Autonomous bus biasing according to ISO 11898-6
- Watchdog with Window or Timeout mode
- Serial Peripheral Interface (SPI)
- High-voltage output (INH) for controlling external voltage regulators (in TK and TK/FD variants)
- 5 V sensor supply (VEXT) in VX variants
- Configuration settings stored in non-volatile memory for application-specific adaptation
Applications
The UJA1168TK/FD,118 is primarily used in automotive body and comfort applications, such as in small electronic control units. It is suitable for systems that require reliable and efficient CAN communication, including those that support both standard CAN 2.0 and CAN FD protocols. This component is also useful in any application where low power consumption and advanced wake-up features are necessary.
Q & A
- What is the UJA1168TK/FD,118 used for? The UJA1168TK/FD,118 is a mini high-speed CAN System Basis Chip used in small electronic control units, particularly in automotive body and comfort applications.
- What standards does the UJA1168TK/FD,118 comply with? It complies with ISO 11898-2/5/6 and SAE J2284-1 to SAE J2284-5 standards.
- What is the microcontroller supply voltage and current of the UJA1168TK/FD,118? The microcontroller supply is 5 V / 100 mA.
- Does the UJA1168TK/FD,118 support CAN FD? Yes, it supports CAN FD up to 2 Mbit/s and includes an FD-passive mode.
- What are the operating modes of the UJA1168TK/FD,118? The operating modes include Normal, Standby, Sleep, Reset, Forced Normal, Overtemp, and Off.
- How does the UJA1168TK/FD,118 handle wake-up? It supports bus and local wake-up capabilities.
- What is the purpose of the INH output in the UJA1168TK/FD,118? The INH output is used for controlling external voltage regulators.
- Does the UJA1168TK/FD,118 have a sensor supply? Yes, in VX variants, it has a 5 V sensor supply (VEXT).
- How is the UJA1168TK/FD,118 packaged? It is packaged in a 14-HVSON (3x4.5) package.
- Can the UJA1168TK/FD,118 be configured for specific applications? Yes, configuration settings are stored in non-volatile memory to adapt the SBC for use in specific applications.
