The Southchip SC8541 is a high-efficiency switched-capacitor (charge pump) fast-charging management integrated circuit designed for modern smartphone and tablet logic boards. Engineered to handle rapid battery charging with minimal thermal loss, this chipset regulates high-current power delivery between the charging port (VBUS) and the battery while maintaining safe voltage and thermal thresholds.
Each unit features clear laser-engraved surface markings (SOUTHCHIP SC8541) and arrives pre-balled in a compact 36-pin (6 × 6 grid) BGA/WLCSP footprint, making it ready for direct board-level micro-soldering and mobile hardware repair.
Southchip SC8541 Fast Charging Management IC (36-Pin BGA Charge Pump Chipset)
The Southchip SC8541 is a high-efficiency switched-capacitor (charge pump) fast-charging management integrated circuit designed for modern smartphone and tablet logic boards. Engineered to handle rapid battery charging with minimal thermal loss, this chipset regulates high-current power delivery between the charging port (VBUS) and the battery while maintaining safe voltage and thermal thresholds.
Each unit features clear laser-engraved surface markings (SOUTHCHIP SC8541) and arrives pre-balled in a compact 36-pin (6 × 6 grid) BGA/WLCSP footprint, making it ready for direct board-level micro-soldering and mobile hardware repair.
Key Features & Highlights
High-Efficiency Charge Pump Architecture: Steps down input voltage efficiently during high-wattage fast-charging protocols, reducing heat buildup on the motherboard compared to standard linear or buck chargers.
Factory Pre-Balled 36-Ball Array: Supplied with uniform, intact solder balls arranged in a 6 × 6 matrix so technicians can install the component directly after pad preparation.
Clear Identification & Pin 1 Alignment: Crisp surface engraving (SOUTHCHIP / SC8541) and a distinct Pin 1 orientation dot at the bottom-left corner ensure accurate placement under a microscope.
Wide Multi-Brand Compatibility: Used across numerous popular models from Motorola, Xiaomi, Redmi, POCO, Samsung, Lava, and Nothing.
OEM-Grade Replacement Component: Ideal for professional mobile repair labs restoring full fast-charging functionality on compatible devices.
Technical Specifications
Parameter
Specification
Product Name
Southchip SC8541 Fast Charging IC
Manufacturer
Southchip (SOUTHCHIP)
Part Number
SC8541
IC Category
Charge Pump / Switched-Capacitor Fast Charger IC
Top Marking Reference
SOUTHCHIP / SC8541 / ABC22 / 470N02(lot codes may vary by batch)
Package / Footprint
36-Pin BGA / WLCSP (6 × 6 Solder Ball Grid)
Pin 1 Indicator
Corner dot located at the bottom-left of the top surface
Terminal Condition
Pre-balled, unused, anti-static packed
Compatible Smartphone & Tablet Models
Note: Several devices utilize dual SC8541 charge pump ICs on the mainboard. Always verify the exact IC part number on your board schematic or layout before ordering.
Common Smartphone Faults Fixed by Replacing SC8541
Fast Charging Not Triggering: Device charges only at standard slow speeds instead of activating turbo, flash, or super-fast charging modes.
Fake Charging: Charging indicator appears on screen, but battery percentage remains stuck or drops while connected to a charger.
Overheating During Charging: Abnormal heat concentration around the charging IC section immediately after plugging in the cable.
Short Circuit on Charging Line: Shorted VBUS or VCHG rail causing the charger to trip or preventing the phone from powering on.
Liquid or Drop Damage: Corroded pads or fractured solder joints beneath the original charge pump IC.
Technician Installation & Rework Guidelines
Verify Pin 1 Orientation: Always align the Pin 1 dot at the bottom-left corner of the IC with the Pin 1 marker on your motherboard schematic or bitmap before reflowing.
Prepare Motherboard Pads: Clean existing solder using low-melt alloy and a copper desoldering braid, then clean the PCB surface thoroughly with isopropyl alcohol (IPA) so all 36 pads are level.
Controlled Hot-Air Reflow: Apply a thin, even layer of high-grade no-clean BGA flux and use calibrated hot-air temperature and airflow settings to prevent bridging across the 6 × 6 ball grid.
Post-Installation Check: Allow the board to cool naturally and test surrounding decoupling capacitors for shorts before connecting the battery and power adapter.
Package Includes
1 × Southchip SC8541 36-Pin BGA Fast Charging Management IC (packed in protective anti-static packaging)
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