Overview
The UJA1135HW/5V0Y is a System Basis Chip (SBC) from NXP Semiconductors, designed specifically for automotive applications. This chip integrates a fully functional buck and boost converter, along with various features that enhance the performance and safety of automotive systems. It is part of the UJA113x series, which is AEC-Q100 qualified, ensuring it meets the stringent requirements of the automotive industry.
Key Specifications
| Parameter | Value |
|---|---|
| Package | HTQFP48 |
| No. of Pins | 48 |
| Supply Voltage Min | 2 V |
| Supply Voltage Max | 28 V (battery voltage range) |
| Output Voltage | 3.3 V or 5 V (depending on variant) |
| Moisture Sensitivity Level (MSL) | 3 |
| Peak Package Body Temperature (PPT) | 240°C (lead soldering), 260°C (lead-free soldering) |
| Compliance | RoHS compliant, halogen-free |
Key Features
- Fully integrated buck and boost converter with automatic mode selection based on input voltage and output load conditions.
- Supports operation at very low supply voltages (down to 2 V) with the boost function.
- Soft-start function for the SMPS.
- Integrated LIN slave termination and high-voltage I/Os (HVIOs) configurable as high- or low-side output drivers.
- Low-current Standby and Sleep modes with full wake-up capability.
- Supports remote flash programming via the CAN-bus.
- Compact 10 mm x 10 mm HTQFP48 package with low thermal resistance.
- Protection against transients in accordance with ISO 7637-3.
- Improved EMC emission performance with optimized curve shaping.
Applications
The UJA1135HW/5V0Y is designed for various automotive applications, including:
- Automotive body control modules.
- Infotainment systems.
- Advanced driver-assistance systems (ADAS).
- Secure car access applications utilizing UWB, NFC, and BLE devices.
- Systems requiring multiple power supplies and high reliability.
Q & A
- What is the primary function of the UJA1135HW/5V0Y? The primary function is to act as a System Basis Chip (SBC) with integrated buck and boost converters for automotive applications.
- What is the package type of the UJA1135HW/5V0Y? The package type is HTQFP48.
- What is the minimum supply voltage for the UJA1135HW/5V0Y? The minimum supply voltage is 2 V.
- Is the UJA1135HW/5V0Y RoHS compliant? Yes, it is RoHS compliant and halogen-free.
- What are the key features of the integrated SMPS? The SMPS features automatic buck or boost mode selection, soft-start function, and operation at very low supply voltages.
- Does the UJA1135HW/5V0Y support remote flash programming? Yes, it supports remote flash programming via the CAN-bus.
- What are the typical applications of the UJA1135HW/5V0Y? Typical applications include automotive body control modules, infotainment systems, ADAS, and secure car access systems.
- How does the UJA1135HW/5V0Y protect against transients? It protects against transients in accordance with ISO 7637-3.
- What is the peak package body temperature for lead-free soldering? The peak package body temperature for lead-free soldering is 260°C.
- Does the UJA1135HW/5V0Y have high-voltage I/Os? Yes, it has high-voltage I/Os (HVIOs) that are configurable as high- or low-side output drivers.
