Overview
The UJA1132HW/5V0Y is a System Basis Chip (SBC) developed by NXP USA Inc., designed specifically for automotive applications. This chip integrates a fully functional buck and boost converter, along with various features commonly found in modern automotive Electronic Control Units (ECUs). It supports direct interface with CAN and LIN bus lines, supplies the microcontroller, handles input and output signals, and includes fail-safe features such as a watchdog and advanced ‘limp home’ functionality.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HTQFP48 |
| Supply Voltage | 5 V (V1 regulator) |
| Power Supply | Integrated buck and boost converter (SMPS) |
| Boost Mode | Operates at low battery supply voltages down to 2 V |
| High-Voltage I/Os (HVIOs) | 4 or 8 general-purpose input/output pins, configurable as high- or low-side output drivers |
| Bus Interface | Direct interface with CAN and LIN bus lines |
| Fail-Safe Features | Watchdog, advanced ‘limp home’ functionality, and remote flash programming via CAN-bus |
| Moisture Sensitivity Level (MSL) | 3 |
| Peak Package Body Temperature (PPT) | 260°C |
| Compliance | Lead-free, RoHS compliant, and halogen-free |
Key Features
- Integrated buck and boost converter (SMPS) with automatic mode selection depending on input voltage and output load conditions.
- Supports low battery supply voltages down to 2 V in Boost mode.
- High-voltage I/Os (HVIOs) with configurable high- or low-side output drivers.
- Direct interface with CAN and LIN bus lines.
- Fail-safe features including watchdog and advanced ‘limp home’ functionality.
- Remote flash programming via the CAN-bus.
- Very low-current Standby and Sleep modes with full wake-up capability.
- Compact 10 mm x 10 mm HTQFP48 package with low thermal resistance.
- Integrated LIN slave termination and improved EMC emission performance.
Applications
The UJA1132HW/5V0Y is primarily designed for use in automotive Electronic Control Units (ECUs), where it can manage power supply, interface with CAN and LIN bus lines, and provide fail-safe features. It is suitable for various automotive applications requiring robust and reliable system basis chip functionality.
Q & A
- What is the primary function of the UJA1132HW/5V0Y?
The primary function of the UJA1132HW/5V0Y is to serve as a System Basis Chip (SBC) for automotive Electronic Control Units (ECUs), integrating power supply management, CAN and LIN bus interface, and fail-safe features.
- What types of power supply modes does the UJA1132HW/5V0Y support?
The UJA1132HW/5V0Y supports both buck and boost modes, allowing it to operate at low battery supply voltages down to 2 V in Boost mode.
- What is the package type of the UJA1132HW/5V0Y?
The UJA1132HW/5V0Y comes in a compact 10 mm x 10 mm HTQFP48 package.
- Does the UJA1132HW/5V0Y support remote flash programming?
- What are the key fail-safe features of the UJA1132HW/5V0Y?
The key fail-safe features include a watchdog and advanced ‘limp home’ functionality.
- Is the UJA1132HW/5V0Y compliant with environmental regulations?
- What is the moisture sensitivity level (MSL) of the UJA1132HW/5V0Y?
The moisture sensitivity level (MSL) of the UJA1132HW/5V0Y is 3.
- What is the peak package body temperature (PPT) of the UJA1132HW/5V0Y?
The peak package body temperature (PPT) of the UJA1132HW/5V0Y is 260°C.
- Does the UJA1132HW/5V0Y support high-voltage I/Os?
- What are the typical applications of the UJA1132HW/5V0Y?
The UJA1132HW/5V0Y is typically used in automotive Electronic Control Units (ECUs) for managing power supply, interfacing with CAN and LIN bus lines, and providing fail-safe features.
