SMB1395 001 Charging iC

Charging faults are one of the most common jobs that land on a repair bench in Pakistan, and on Qualcomm-based Xiaomi and Huawei phones, the SMB1395-001 is often the component behind a "slow charging" or "charging stopped working" complaint. This IC does not power the phone by itself — it works as an auxiliary converter next to the main PMIC (like the PM6250 series on many Xiaomi boards), splitting the incoming charge current so the battery can accept higher wattage safely during wired fast charging. When a phone comes in with a charging issue that isn't related to the port, cable, or battery, the SMB1395 line is a logical checkpoint before you start lifting other components. A dead or damaged SMB1395 typically shows up as normal charging at a reduced rate, charging that cuts out under load, or a phone that charges fine on a basic charger but refuses fast charge with an original brick. Technicians dealing with a board that got wet, ran hot for a long time, or has visible corrosion near the charging circuit area should treat this IC as a suspect early in the diagnostic process. Replacing the SMB1395-001 is a reballing and reflow job — this is not a plug-and-play part. You need a hot air station set to the correct profile, flux, and a steady hand, since the IC sits close to other small components on a densely packed board. Preheat the board properly, protect surrounding parts with kapton tape or a shield, and confirm your reflow temperature matches the solder type before lifting the old chip. After placement, always run a continuity and short check before powering the board — a bridged pin on this IC can pull down the whole charging rail and, in worse cases, affect the PMIC too. This part gets requested often for Redmi, Poco, and Xiaomi Mi-series boards, along with select Huawei models built on Qualcomm platforms, since these devices commonly use the SMB13xx charge pump family for wired fast charging. If a customer says the phone shows "charging slowly" or the charging icon flickers between fast and normal, and you've already ruled out the cable, adapter, and charging port flex, this is where you look next. Sourcing a genuine SMB1395-001 matters more than people think — clone or mismarked ICs cause repeat visits, and a technician's reputation in a local market depends on first-time fixes. This listing is for the correct part number matched to boards that use the SMB1395-001 revision specifically, not a generic substitute. Confirm the exact IC marking on the board you're servicing before ordering, since Qualcomm charge pump ICs across different board revisions (SMB1390, SMB1396, SMB1399) are not interchangeable even though they look similar under a microscope. Keep this IC on hand if you regularly handle charging faults on Qualcomm-based Xiaomi and Huawei boards — dead-after-flash charging complaints, hang-on-logo boards with charging faults, and no-fast-charge complaints all route back to this component often enough that most workshops stock it as a standard bench item.