Overview
The UJA1076ATW/5V0/WD is a high-speed CAN (Controller Area Network) core System Basis Chip (SBC) developed by NXP USA Inc. This integrated circuit combines several essential functions typically found in Electronic Control Units (ECUs) into a single chip, enhancing system reliability and reducing component count. It supports high-speed CAN networking, which is crucial for controlling power and sensor peripherals in various applications, particularly in the automotive sector.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 32-HTSSOP (0.240", 6.10mm Width) Exposed Pad |
| Voltage Supply | 4.5V ~ 28V |
| Interface | SPI Serial |
| Watchdog | Advanced independent watchdog with Window, Timeout, and Off modes |
| Voltage Regulators | 250 mA voltage regulator for microcontroller supply; separate regulator for CAN transceiver |
| CAN Compatibility | ISO 11898-2 and ISO 11898-5 compliant |
| Wake-up Inputs | 2 local wake-up input ports |
| Limp-home Output | Limp-home output port |
| RoHS Status | RoHS compliant |
| Mounting Type | Surface Mount |
Key Features
- High-speed CAN transceiver compatible with ISO 11898-2 and ISO 11898-5 standards
- Advanced independent watchdog with programmable periods (Window, Timeout, and Off modes)
- Two voltage regulators: 250 mA for microcontroller supply and a separate regulator for the CAN transceiver
- SPI (Serial Peripheral Interface) for full-duplex communication
- Two local wake-up input ports and a limp-home output port
- On-chip oscillator for timing reference
Applications
The UJA1076ATW/5V0/WD is primarily used in automotive applications, particularly in Electronic Control Units (ECUs) where high-speed CAN networking is essential. It is suitable for systems that require robust and reliable communication and power management, such as engine control units, transmission control units, and other automotive control systems.
Q & A
- What is the primary function of the UJA1076ATW/5V0/WD? The primary function is to serve as a high-speed CAN core System Basis Chip, integrating various essential functions for Electronic Control Units (ECUs).
- What are the voltage supply ranges for this chip? The voltage supply ranges from 4.5V to 28V.
- Is the UJA1076ATW/5V0/WD RoHS compliant? Yes, it is RoHS compliant.
- What types of watchdog modes are supported by this chip? It supports Window, Timeout, and Off watchdog modes.
- What is the purpose of the on-chip oscillator? The on-chip oscillator provides the timing reference for the on-chip watchdog and internal timers.
- How many wake-up input ports does the UJA1076ATW/5V0/WD have? It has two local wake-up input ports.
- What is the limp-home output port used for? The limp-home output port is used to provide a safe state for the system in case of a failure.
- Is the UJA1076ATW/5V0/WD compatible with ISO CAN standards? Yes, it is compatible with ISO 11898-2 and ISO 11898-5 standards.
- What is the package type of the UJA1076ATW/5V0/WD? It is packaged in a 32-HTSSOP (0.240", 6.10mm Width) Exposed Pad.
- What interface does the UJA1076ATW/5V0/WD use for communication? It uses SPI (Serial Peripheral Interface) for full-duplex communication.
