Overview
The UJA1076ATW/3V3WD,1 is a high-speed CAN (Controller Area Network) core System Basis Chip (SBC) designed and manufactured by NXP USA Inc. This chip is specifically tailored for automotive applications, integrating various essential functions that are commonly found in Electronic Control Units (ECUs). It supports networking applications by utilizing a high-speed CAN as the primary network interface.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HTSSOP32 plastic thermal enhanced thin shrink small outline package; 32 leads; body width 6.1 mm; lead pitch 0.65 mm; exposed die pad |
| Voltage Regulator | Scalable 3.3 V or 5 V voltage regulator delivering up to 250 mA; extendable with external PNP transistor for increased current capability |
| CAN Transceiver | High-speed CAN transceiver, inter-operable and downward compatible with CAN transceiver TJA1042, and compatible with ISO 11898-2 and ISO 11898-5 standards |
| Watchdog | Advanced independent watchdog (available in WD versions) |
| Interface | Serial Peripheral Interface (SPI) (full duplex) |
| Wake-up Inputs | 2 local wake-up input ports |
| Limp-home Output | Limp-home output port |
| Supply Voltage | 4.5 V to 28 V |
| Environmental Compliance | PbFree, EU RoHS compliant, Halogen Free, Reach SVHC compliant |
Key Features
- Integrates a high-speed CAN transceiver, voltage regulators, and other essential ECU functions into a single chip
- Advanced independent watchdog for system reliability and safety
- Serial Peripheral Interface (SPI) for full duplex communication
- Two local wake-up input ports and a limp-home output port for enhanced system control
- Scalable voltage regulator with the option to extend current capability using an external PNP transistor
- Compliance with ISO 11898-2 and ISO 11898-5 standards for CAN communication
Applications
The UJA1076ATW/3V3WD,1 is primarily designed for automotive applications, particularly in Electronic Control Units (ECUs) where high-speed CAN networking is essential. It is used to control power and sensor peripherals in various automotive systems.
Q & A
- What is the primary function of the UJA1076ATW/3V3WD,1?
The primary function is to integrate essential ECU functions, including a high-speed CAN transceiver and voltage regulators, for automotive applications.
- What package type does the UJA1076ATW/3V3WD,1 come in?
It comes in a HTSSOP32 plastic thermal enhanced thin shrink small outline package.
- What are the voltage regulator options for this chip?
The chip offers scalable 3.3 V or 5 V voltage regulators delivering up to 250 mA.
- Is the UJA1076ATW/3V3WD,1 compliant with environmental regulations?
Yes, it is PbFree, EU RoHS compliant, Halogen Free, and Reach SVHC compliant.
- What is the role of the watchdog in the UJA1076ATW/3V3WD,1?
The watchdog provides system reliability and safety by monitoring the system and triggering resets or other actions if necessary.
- What interface does the UJA1076ATW/3V3WD,1 use for communication?
The chip uses a Serial Peripheral Interface (SPI) for full duplex communication.
- What are the wake-up input and limp-home output features?
The chip includes two local wake-up input ports and a limp-home output port for enhanced system control.
- What are the supply voltage range and operating conditions for this chip?
The supply voltage range is from 4.5 V to 28 V.
- Is the UJA1076ATW/3V3WD,1 compatible with specific CAN standards?
Yes, it is compatible with ISO 11898-2 and ISO 11898-5 standards for CAN communication.
- Can the current capability of the voltage regulator be extended?
Yes, the current capability can be extended using an external PNP transistor.
- What are the typical applications of the UJA1076ATW/3V3WD,1?
The chip is used in automotive Electronic Control Units (ECUs) for controlling power and sensor peripherals.
