NCP81218 Power Management IC NCP81218MNTXG

The NCP81218 Power Management IC, commonly marked as NCP81218MNTXG or 81218, is a high-performance multi-phase PWM voltage regulator controller from On Semiconductor (onsemi). This IC is widely used in laptop motherboards, desktop boards, graphics cards, and high-performance computing systems, where accurate and stable power delivery is critical.

NCP81218 is designed to manage CPU and GPU power rails, supporting efficient DC-DC voltage regulation, power sequencing, and load control. Its advanced control architecture helps maintain voltage stability under dynamic load conditions, improving overall system reliability. The IC is frequently replaced during chip-level motherboard repair to resolve issues such as no power, unstable booting, or voltage fluctuation faults.

At OKSpare, all NCP81218 ICs are quality tested before dispatch, ensuring dependable performance for technicians and service centers.

Technical Summary

• Multi-phase PWM voltage regulator controller IC

• Designed for CPU and GPU power management

• Supports efficient and stable DC-DC conversion

• Used in laptops and high-performance motherboards

• Suitable for chip-level repair and replacement