NCP45491 Power Management IC

The NCP45491 Power Management IC from On Semiconductor (onsemi) is a compact and reliable power control and protection IC commonly used in laptop motherboards, embedded systems, and portable electronic devices. This IC is designed to manage power distribution, load switching, and circuit protection, helping ensure safe and stable operation of sensitive components.

NCP45491 is widely used in auxiliary power rails and peripheral power sections, where controlled power delivery and protection against faults are required. Its efficient design supports modern high-density PCB layouts, making it suitable for both manufacturing and chip-level repair applications. Technicians often replace this IC when addressing issues such as no power to peripherals, unstable voltage rails, or protection-triggered shutdowns.

At OKSpare, all NCP45491 ICs are quality tested before dispatch. IC ready stock OKSpare ensures trusted supply from Nehru Place, Delhi.

Technical Summary

• Power management and protection IC

• Used in laptop and embedded power circuits

• Supports controlled power distribution

• Compact design for dense PCB layouts

• Suitable for chip-level repair and replacement