NCP45780IMN24RTWG

Overview

The NCP45780IMN24RTWG is a load management switch integrating back-to-back N-channel power MOSFETs with an advanced controller and charge pump. It supports input voltages from 3V to 24V and operates within a temperature range of -40°C to 85°C. The device features adjustable slew rate control for soft-start functionality, limiting inrush current during power-up. It includes comprehensive protection mechanisms such as thermal shutdown, under-voltage lockout, adjustable overcurrent protection, and reverse current blocking. A Power Good output indicates when the MOSFET gate is fully charged, ensuring reliable system operation.

Feature Summary

• Integrates back-to-back N-channel MOSFETs with a dedicated controller and charge pump for efficient power domain switching.
• Provides adjustable slew rate control to manage soft-start timing and limit inrush current effectively.
• Includes reverse current protection to prevent unwanted current flow in bidirectional power applications.
• Features fault detection with a Power Good signal indicating complete MOSFET gate charging.

Applications

• USB Type-C power delivery ports
• Reverse current applications in power transmission interfaces
• Power domain switching systems

Procurement Notes

Verify the specific suffix RTWG against official onsemi documentation to confirm tape and reel packaging specifications. Ensure the component matches the required operating voltage range of 3V to 24V for your target application. Cross-reference the package type 12-DFN(3x3) with your PCB footprint design. Confirm that the adjustable overcurrent threshold settings align with your system's safety requirements before finalizing procurement.

Selection Notes

Select this component for applications requiring integrated back-to-back MOSFETs to minimize board space and simplify design. It is suitable for systems needing precise inrush current control via adjustable slew rates. Consider its wide input voltage range for versatile power supply compatibility. Evaluate the need for reverse current protection if bidirectional power flow is anticipated in the circuit design.

Part Context

This part belongs to the ecoSWITCH family of load switches designed for high efficiency and compact integration. It combines power handling capabilities with sophisticated control logic in a single small outline package. The series targets modern portable and industrial electronics where space constraints and power integrity are critical design factors.

Replacement Considerations

Consult official onsemi substitution guides for verified alternatives. Generic equivalents may not replicate the integrated charge pump or specific protection thresholds. Verify pin compatibility and thermal performance characteristics before considering any substitute components.