Charging & USB Control Chip For Samsung I9300 Galaxy S III

The Charging & USB Control Chip in your Samsung I9300 Galaxy S Iii manages all incoming charging current — negotiating the correct voltage and current with the charger adapter, controlling fast charging protocols, and managing USB data communication when the phone is connected to a computer. When it fails, your Samsung I9300 Galaxy S Iii may refuse to charge, charge very slowly, or not be detected by a PC even with a working cable.

Test with multiple confirmed-working cables and adapters first. If the charging port connector is physically intact and undamaged but the phone still will not charge or be recognised by a computer, the Charging & USB Control Chip on the Samsung I9300 Galaxy S Iii motherboard is the likely cause. A board-level technician can confirm with diagnostic tools.

Yes. The Charging & USB Control Chip manages fast charging protocol negotiation between your Samsung I9300 Galaxy S Iii and the charger. If the chip is partially failed, you may find that normal slow charging still works but fast charging has completely stopped — a specific symptom pointing directly to this chip.

No. This is a micro-SMD chip soldered onto the Samsung I9300 Galaxy S Iii motherboard. Replacement requires hot air rework equipment, flux, and professional board-level repair skills. Incorrect replacement risks shorting the charging circuit and causing further damage to the motherboard.

Yes — a 7-day replacement warranty against manufacturing defects is included. An unboxing video is mandatory for all warranty claims. Once the chip has been soldered it is considered used and cannot be returned. For more information, check out SAHII's Return Policy.