Overview
The UJA1075ATW/5V0,112 is a high-speed Controller Area Network (CAN) and Local Interconnect Network (LIN) core System Basis Chip (SBC) designed by NXP USA Inc. This component is intended for use in Electronic Control Units (ECUs) and integrates several key functionalities, including a high-speed CAN transceiver, a LIN transceiver, voltage regulators, and an optional watchdog. It is particularly suited for automotive and industrial applications where reliable and efficient networking is crucial.
Key Specifications
| Specification | Description |
|---|---|
| Package Type | 32-Pin HTSSOP (High-Temperature Surface Mount Small Outline Package) |
| Package Dimensions | 6.1 mm × 11 mm |
| CAN Transceiver | ISO 11898-2 and ISO 11898-5 compliant, inter-operable with TJA1042 |
| LIN Transceiver | LIN 2.1 compliant, downward compatible with LIN 2.0 and LIN 1.3, compliant with SAE J2602 |
| Voltage Regulator | 5 V or 3.3 V regulator (depending on version), extendable with external PNP transistor |
| Watchdog | Advanced independent watchdog (in WD versions) |
| Wake-Up Options | Wake-up via CAN, LIN, or local wake-up pins with wake-up source detection |
| Operating Voltage | VBAT voltages down to 5.5 V (e.g., during cranking) in accordance with ISO 7637, pulse 4 |
| Thermal Characteristics | Exposed die pad for better heat dissipation |
Key Features
- High-speed CAN transceiver compliant with ISO 11898-2 and ISO 11898-5 standards.
- LIN transceiver compliant with LIN 2.1, LIN 2.0, and LIN 1.3, and SAE J2602.
- Integrated voltage regulators (5 V or 3.3 V) with the option to extend current capability using an external PNP transistor.
- Advanced independent watchdog in WD versions.
- Wake-up functionality via CAN, LIN, or local wake-up pins with wake-up source detection.
- Low dropout voltage regulator dedicated to the CAN bus, improving EMC performance.
- Integrated LIN termination diode.
- Small 6.1 mm × 11 mm HTSSOP package with low thermal resistance.
- Pb-free and RoHS compliant.
Applications
The UJA1075ATW/5V0,112 is primarily used in automotive and industrial applications, particularly in Electronic Control Units (ECUs) where high-speed CAN and LIN networking are essential. It is suitable for controlling power and sensor peripherals, and its robust design makes it ideal for harsh environments.
Q & A
- What is the primary function of the UJA1075ATW/5V0,112? The primary function is to serve as a high-speed CAN and LIN core System Basis Chip (SBC) for Electronic Control Units (ECUs).
- What standards does the CAN transceiver comply with? The CAN transceiver complies with ISO 11898-2 and ISO 11898-5 standards.
- What are the voltage regulator options for this component? The component offers 5 V or 3.3 V voltage regulators, depending on the version.
- Does the UJA1075ATW/5V0,112 have a watchdog feature? Yes, the WD versions of the component include an advanced independent watchdog.
- How can the UJA1075ATW/5V0,112 be woken up? It can be woken up via CAN, LIN, or local wake-up pins with wake-up source detection.
- What is the operating voltage range for this component? It can operate at VBAT voltages down to 5.5 V, in accordance with ISO 7637, pulse 4.
- Is the UJA1075ATW/5V0,112 RoHS compliant? Yes, it is Pb-free and RoHS compliant.
- What is the package type and dimensions of the UJA1075ATW/5V0,112? It is packaged in a 32-Pin HTSSOP with dimensions of 6.1 mm × 11 mm.
- How does the component handle heat dissipation? It features an exposed die pad for better heat dissipation via the printed-circuit board.
- What are some of the key applications for this component? It is used in automotive and industrial applications, particularly in ECUs where high-speed CAN and LIN networking are required.
