Overview
The UJA1131HW/5V0,518 is a System Basis Chip (SBC) produced by NXP USA Inc. This integrated circuit is part of the UJA113x series, designed to provide a comprehensive set of features for automotive and industrial applications. It combines a fully integrated automatic SMPS (Switch-Mode Power Supply) Buck-Boost converter, a High-Speed CAN (Controller Area Network) transceiver, and up to two LIN (Local Interconnect Network) transceivers. The chip is optimized for low power consumption and high reliability, making it suitable for various demanding environments.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | HTQFP48, 10 mm x 10 mm x 1.0 mm |
| Supply Voltage | 2 V to 40 V (input), 5 V (output) |
| SMPS Converter | Automatic Buck or Boost mode selection, soft-start function |
| CAN Transceiver | High-Speed CAN transceiver, compliant with ISO 11898-2 |
| LIN Transceivers | Up to two LIN transceivers, compliant with LIN 2.0 and 2.1 |
| High-Voltage I/Os (HVIOs) | 4 or 8 general-purpose input/output pins, individually configurable as high- or low-side output drivers |
| Standby and Sleep Modes | Very low-current modes with full wake-up capability |
| Environmental Compliance | Halogen free, RoHS compliant, dark green product |
| Protection Features | Transient protection according to ISO 7637-3, overvoltage protection |
Key Features
- Integrated SMPS Buck-Boost Converter: Automatic mode selection based on input voltage and output load conditions, allowing operation at very low supply voltages (e.g., 2 V).
- High-Speed CAN Transceiver: Compliant with ISO 11898-2, providing reliable communication in automotive and industrial networks.
- LIN Transceivers: Up to two LIN transceivers, compliant with LIN 2.0 and 2.1, supporting various LIN slave configurations.
- High-Voltage I/Os (HVIOs): 4 or 8 general-purpose input/output pins, individually configurable as high- or low-side output drivers with PWM control and combined output capabilities.
- Low Power Modes: Very low-current Standby and Sleep modes with full wake-up capability.
- Remote Flash Programming: Supports remote flash programming via the CAN-bus.
- Transient Protection: Battery and CAN/LIN bus pins protected against transients in accordance with ISO 7637-3.
Applications
The UJA1131HW/5V0,518 is designed for use in various automotive and industrial applications, including:
- Automotive Systems: Body control modules, powertrain control units, and other automotive electronic control units.
- Industrial Automation: Control systems, sensors, and actuators in industrial environments.
- Telematics and Infotainment Systems: Supporting communication and power management in telematics and infotainment systems.
Q & A
- What is the primary function of the UJA1131HW/5V0,518? The primary function is to provide a fully integrated system basis chip with SMPS Buck-Boost converter, High-Speed CAN transceiver, and up to two LIN transceivers.
- What are the key features of the SMPS Buck-Boost converter? The SMPS Buck-Boost converter features automatic mode selection, soft-start function, and the ability to operate at very low supply voltages (e.g., 2 V).
- Is the UJA1131HW/5V0,518 compliant with automotive standards? Yes, it is compliant with ISO 11898-2 for CAN and LIN 2.0 and 2.1 for LIN transceivers, and it also meets ISO 7637-3 for transient protection.
- What are the low power modes available in the UJA1131HW/5V0,518? The chip supports very low-current Standby and Sleep modes with full wake-up capability.
- Can the UJA1131HW/5V0,518 be programmed remotely? Yes, it supports remote flash programming via the CAN-bus.
- What is the package type and size of the UJA1131HW/5V0,518? The package type is HTQFP48, with dimensions of 10 mm x 10 mm x 1.0 mm.
- Is the UJA1131HW/5V0,518 environmentally friendly? Yes, it is halogen free and RoHS compliant.
- What are the high-voltage I/O capabilities of the UJA1131HW/5V0,518? The chip has 4 or 8 general-purpose input/output pins, individually configurable as high- or low-side output drivers with PWM control.
- In what types of applications is the UJA1131HW/5V0,518 typically used? It is used in automotive systems, industrial automation, and telematics and infotainment systems.
- Does the UJA1131HW/5V0,518 have any specific protection features? Yes, it has transient protection according to ISO 7637-3 and overvoltage protection.
