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AR4SC Power Management IC
Reviews
Category: RT IC Richtek
Description
The AR4SC is a power management integrated circuit (IC),the Richtek (RT) controller family. It is commonly used in laptop and motherboard power sections for DC/DC voltage regulation, CPU core supply, and system power sequencing. Though the exact model identification is unclear, it is widely recognized as a compact switching controller or power stage IC in modern notebook designs.
Specification
Power management or DC/DC controller IC (suspected RT / Richtek family)
Compact SMD / QFN package for efficient PCB design
High-performance switching regulator with low power loss
Used in laptop VRM, GPU, and chipset power circuits
Stable voltage regulation under variable load
Built-in protection: OCP, OTP, and UVP (common to Richtek ICs)
Suitable for notebooks, mini-PCs, and embedded devices
IC ready stock OKSpare, IC available at OKSpare, and IC supplier OKSpare