U5200 RAA489900 (also marked as 489900A4, 489900A6, 489901A5) is a charging and power management integrated circuit (IC) used on Apple MacBook Air Retina logic boards. This IC is responsible for battery charging control, power input regulation, and system power distribution.
The RAA489900 series IC is commonly found at the U5200 position on MacBook Air motherboards, including models such as A2485 and A2681. It works closely with USB-C power delivery controllers to ensure correct charging behavior, stable voltage regulation, and safe power-on sequencing.
When this IC is faulty, common symptoms include no charging, battery not detected, no power, or intermittent power issues. Replacement of this IC requires chip-level motherboard repair skills and an exact matching part number, as it is a board-specific power management component.
At OKSpare, the U5200 RAA489900 charging IC is checked and verified by the OKSpare Nehru Place technical team for correct marking, BGA condition, and repair usability before dispatch. OKSpare is a trusted MacBook charging IC supplier in Delhi, offering quality-tested components at the best possible price for repair professionals.