NCP81521MNTXG (also marked as NCP81521M / NCP81521) is a high-performance multi-phase PWM controller IC designed for CPU core voltage regulation (VRM) in laptop and desktop motherboards.
This IC controls external DrMOS or MOSFET power stages and is commonly used in Intel and AMD processor VRM sections. It provides accurate voltage regulation, fast transient response, and programmable features for high-efficiency multi-phase buck converter designs.
The QFN-52 package allows compact PCB layout while supporting advanced power management functions required in gaming laptops, workstations, and desktop motherboards.
IC ready stock OKSpare. IC supplier OKSpare. IC available at OKSpare for motherboard repair engineers and bulk buyers.