NCP81292MNTXG

Current Regulation/Management Overview

The NCP81292MNTXG is a hot-swap voltage controller manufactured by onsemi, designed for industrial applications with an extended temperature range. It integrates an internal high-side MOSFET capable of handling up to 50A continuous current and features an IMON function for precise current monitoring. The device supports paralleling capability for higher power distribution requirements. Operating within a supply voltage range of 4.5V to 18V, it utilizes a thermally enhanced LQFN-32 package. Key electrical parameters include a maximum operating temperature of +125°C and a minimum of -40°C. The component is classified under Hot Swap Voltage Controllers within the PMIC category.

Current Regulation/Management Feature Summary

• Integrates a high-side MOSFET with internal current limiting and thermal protection mechanisms.
• Provides accurate load current sensing through the dedicated IMON output pin.
• Supports parallel operation of multiple units to distribute high-load currents effectively.

Current Regulation/Management Applications

• Industrial equipment power distribution systems
• Telecommunications infrastructure hot-swap modules
• Server and storage backplane power control

Current Regulation/Management Procurement Notes

Verify the specific ordering suffix to ensure the correct tape-and-reel quantity matches your production needs. Confirm that the LQFN-32 package dimensions align with your PCB footprint design. Check the latest manufacturer notifications regarding end-of-life status or product discontinuance, as availability may be restricted. Ensure the selected variant meets the required industrial temperature specifications for your target environment.

Current Regulation/Management Selection Notes

Select this component when a single-channel hot-swap solution with integrated power switching is required. The internal MOSFET simplifies design by eliminating external gate drivers. Consider the 50A current limit against your peak load requirements. Verify compatibility with system bus voltages up to 18V. Evaluate the paralleling feature if future scalability demands higher total current capacity than a single unit provides.

Current Regulation/Management Part Context

This part belongs to the NCP81292 series of hot-swap controllers from onsemi. It is categorized under Power Management ICs (PMIC) specifically as a Controller & Switch. The device serves as a critical protection element in systems requiring safe insertion and removal of live circuits. It replaces discrete MOSFET and protection circuit designs, offering a compact and reliable alternative for high-current DC power distribution networks.

Current Regulation/Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.