Overview
The UJA1076ATW/3V3/WD is a high-speed Controller Area Network (CAN) core System Basis Chip (SBC) produced by NXP USA Inc. This integrated circuit is designed to replace the basic discrete components commonly found in Electronic Control Units (ECUs) with a more streamlined and efficient solution. The UJA1076ATW/3V3/WD supports networking applications for controlling power and sensor peripherals, utilizing a high-speed CAN as the primary network interface.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | 32-TSSOP (0.240", 6.10mm Width) Exposed Pad |
| Mounting Type | Surface Mount |
| Pin Count | 32 |
| Voltage - Supply | 4.5V ~ 28V |
| Interface | SPI Serial |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Applications | Automotive |
Key Features
- High-speed CAN transceiver, compatible with ISO 11898-2 and ISO 11898-5 standards, and interoperable with CAN transceiver TJA1042.
- Advanced independent watchdog (available in WD versions).
- 250 mA voltage regulator for supplying a microcontroller, extendable with an external PNP transistor for increased current capability and dissipation distribution.
- Separate voltage regulator for supplying the on-board CAN transceiver.
- Serial Peripheral Interface (SPI) for full duplex communication.
- Two local wake-up input ports and one limp-home output port.
- Exposed die pad for better heat dissipation.
Applications
The UJA1076ATW/3V3/WD is primarily used in automotive applications, particularly in Electronic Control Units (ECUs) where it integrates various functions such as high-speed CAN networking, voltage regulation, and watchdog functionality. This makes it an essential component for vehicle systems that require reliable and efficient communication and control.
Q & A
- What is the primary function of the UJA1076ATW/3V3/WD?
The UJA1076ATW/3V3/WD is a System Basis Chip (SBC) that integrates a high-speed CAN transceiver, voltage regulators, and other essential functions for Electronic Control Units (ECUs) in automotive applications.
- What are the key interfaces supported by the UJA1076ATW/3V3/WD?
The chip supports a high-speed CAN interface and a Serial Peripheral Interface (SPI) for full duplex communication.
- What is the voltage supply range for the UJA1076ATW/3V3/WD?
The voltage supply range is from 4.5V to 28V.
- Is the UJA1076ATW/3V3/WD RoHS compliant?
Yes, the UJA1076ATW/3V3/WD is ROHS3 compliant.
- What is the package type of the UJA1076ATW/3V3/WD?
The package type is 32-TSSOP (0.240", 6.10mm Width) Exposed Pad.
- Does the UJA1076ATW/3V3/WD have a watchdog feature?
Yes, the WD versions of the UJA1076ATW/3V3/WD include an advanced independent watchdog.
- How many wake-up input ports does the UJA1076ATW/3V3/WD have?
The chip has two local wake-up input ports.
- What is the purpose of the exposed die pad in the UJA1076ATW/3V3/WD package?
The exposed die pad is for better heat dissipation from the SBC via the printed-circuit board.
- Can the voltage regulator of the UJA1076ATW/3V3/WD be extended for higher current capability?
Yes, the 250 mA voltage regulator can be extended with an external PNP transistor for increased current capability and dissipation distribution.
- In which industry is the UJA1076ATW/3V3/WD primarily used?
The UJA1076ATW/3V3/WD is primarily used in the automotive industry.
- What is the moisture sensitivity level (MSL) of the UJA1076ATW/3V3/WD?
The MSL is 1 (Unlimited).
