NCP45790IMN24RTWG

Overview

The NCP45790 is a load management device integrating an advanced controller, charge pump, and back-to-back N-channel power MOSFETs. It supports input voltages from 3V to 24V with a low standby current. The device features adjustable soft-start slope control for inrush current limiting and reverse current protection. Integrated protections include overcurrent, short-circuit, thermal shutdown, and undervoltage lockout. Designed for USB Type-C and Power Delivery applications, it offers efficient power domain switching and high reliability in space-constrained designs.

Feature Summary

• Integrates back-to-back N-channel MOSFETs with advanced controller and charge pump for compact design
• Provides adjustable soft-start slope control to limit inrush current during power-up
• Includes comprehensive fault protection mechanisms such as overcurrent, short-circuit, and thermal shutdown
• Supports reverse current protection and wide input voltage range for versatile power management

Applications

• USB Type-C and Power Delivery port power management
• Server and set-top box power distribution
• Gateway and industrial equipment power switching
• Laptop and tablet battery/charger path management

Procurement Notes

Verify the complete part number including suffixes against official onsemi documentation to ensure correct package and temperature grade. Confirm RoHS compliance status via the specific datasheet revision. Cross-reference ordering information with authorized distributors to validate availability and lead times. Ensure application requirements match the specified electrical characteristics before procurement.

Selection Notes

Select this component for applications requiring integrated load switch functionality with precise inrush control. Consider the wide input voltage range for compatibility with various bus architectures. Evaluate the need for adjustable soft-start slopes based on system capacitance. Verify that the integrated protection features meet the safety requirements of the target environment without external components.

Part Context

This device belongs to the NCP457xx series of load switches from onsemi. It complements other power management ICs by providing robust front-end protection and switching capabilities. The integration of MOSFETs and control logic distinguishes it from discrete solutions, offering reduced board space and improved performance in modern portable and infrastructure electronics.

Replacement Considerations

Check for direct pin-compatible alternatives within the NCP457xx family, such as the NCP45750 or NCP45770, if different current ratings are required. Verify that substitute parts maintain the same input voltage range and protection features. Ensure any replacement matches the package outline and thermal characteristics for seamless integration.