NX3P190UK,012

Overview

The NX3P190UK,012 is a logic-controlled high-side power switch manufactured by NXP Semiconductors. It is designed for general-purpose load switching applications requiring precise current management and system protection. The device integrates overcurrent protection with a programmable limit threshold, allowing customization via an external resistor connected to the ILIM pin. This feature enables the setting of the overcurrent limit within a specific operational range, ensuring safe operation under varying load conditions. The component includes built-in soft-start functionality to minimize inrush currents during turn-on events, thereby enhancing system stability and reducing stress on power sources.

Feature Summary

• Integrates programmable overcurrent protection with adjustable threshold settings
• Features integrated soft-start circuitry to control turn-on rise time
• Includes logic-level translation for compatibility with low-voltage controllers

Applications

• General-purpose load switching in portable electronic devices
• Power distribution management in battery-operated systems
• Point-of-load switching in consumer electronics

Procurement Notes

Verify the exact ordering part number against the manufacturer's official documentation to ensure correct package and tape-and-reel specifications. Confirm that the suffix matches the required quantity format. Cross-reference the datasheet revision date to ensure compliance with current design guidelines. Validate that the procurement channel provides authentic components with traceable origin records. Check for any specific handling requirements related to electrostatic discharge sensitivity during storage and assembly processes.

Selection Notes

Select this component when a compact high-side switch with programmable current limiting is required. Ensure the application voltage range aligns with the device's specified input capabilities. Verify that the external resistor value for the ILIM pin can achieve the desired current threshold within the allowed tolerance. Consider the thermal performance and package size constraints for the target PCB layout. Confirm compatibility with the control logic voltage levels used in the system design.

Part Context

This part belongs to NXP's family of logic-controlled high-side power switches, which are optimized for space-constrained applications. These devices typically offer robust protection features including overtemperature and reverse current protection. The series is designed to replace discrete solution implementations, providing a simplified design process while maintaining high reliability and efficiency in power management tasks.

Replacement Considerations

Consult the official NXP replacement guide or cross-reference tools for verified substitute part numbers. Ensure that any alternative component matches the pinout, electrical characteristics, and package dimensions. Verify that the substitute supports the same logic control interface and protection features. Do not assume interchangeability without confirming technical specifications from authoritative sources.