NCP81428MNTXG

Hot Swap Controllers Overview

The NCP81428MNTXG is an eight-channel hot swap smart fuse IC manufactured by onsemi. It provides power distribution with a maximum output current of 50 A per channel and a total current limit of 80 A. The device features a maximum on-resistance of 1.3 mOhms, ensuring low conduction losses. It operates within a supply voltage range of 5 V to 18 V and supports temperatures from -40 C to +125 C. Key timing parameters include a maximum turn-on time of 1.4 ms and a maximum off-time of 2 us. The component is housed in a 32-LQFN package.

Hot Swap Controllers Feature Summary

• Integrates eight independent channels for multi-rail power distribution management
• Functions as a smart fuse with integrated protection against overcurrent and thermal events
• Supports PMBus communication for configuration and monitoring capabilities

Hot Swap Controllers Applications

• Multi-rail server power distribution units
• Industrial equipment requiring isolated load switching
• Telecommunications infrastructure power systems

Hot Swap Controllers Procurement Notes

Verify the specific ordering suffix and manufacturer part number against official onsemi documentation to ensure compatibility with system requirements. Confirm RoHS compliance status and moisture sensitivity level prior to integration. Check for any recent product change notices or lifecycle updates directly from the manufacturer to avoid obsolescence risks during production.

Hot Swap Controllers Selection Notes

Select this component when designing systems requiring high-density power distribution with individual channel control. Ensure the input voltage range aligns with the 5 V to 18 V specification. Verify that the thermal management solution can handle the dissipation characteristics of the 32-LQFN package under maximum load conditions. Confirm interface compatibility if PMBus integration is required for system monitoring.

Hot Swap Controllers Part Context

This device belongs to the NCP81428 series of hot swap smart fuses designed for robust power distribution applications. It complements other onsemi power management solutions by providing reliable load switching and protection. The series is engineered for environments demanding high reliability and precise control over multiple power rails simultaneously.

Hot Swap Controllers Replacement Considerations

Consult official substitution guides for compatible alternatives within the same family. Verify pinout and electrical parameter equivalence before replacing existing designs.

Hot Swap Controllers FAQ

What is the maximum continuous output current per channel?

The maximum output current is 50 A per channel.

Does the device support digital communication?

Yes, it supports PMBus for configuration and monitoring.