Key Specifications & Features
- Charging Capacity: Supports up to 3A fast charging for single-cell Li-ion or Li-polymer batteries.
- Voltage Range: Operates with a wide input voltage range from 3.9V to 13.5V, and can sustain a maximum voltage spike of up to 22V.
- Architecture: Uses a highly efficient, 1.5MHz synchronous buck charger layout with fully integrated MOSFETs.
- Power Path Management: Features NVDC (Narrow VDC) power path management, allowing the system to power up instantly even with a deeply discharged or completely missing battery.
- Package Type: Typically available in a space-saving QFN-24 chip package (specifically SGM41513YTQF24G).
Common Technical Faults Fixed by Replacing this IC
Mobile repair technicians frequently source the SGM41513 Charging IC to troubleshoot motherboard-level power delivery failures:
- Fake Charging: The phone shows the charging logo, but the battery percentage does not increase.
- Slow Charging: Device charges abnormally slowly despite using a high-wattage power brick.
- Total Power Faults: The device fails to turn on or detect any USB power input.
- Overheating: Overheating issues localized around the PMIC (Power Management IC) section of the PCB.
Equivalent & Compatible ICs
If you are performing a repair and cannot find the exact model, this IC is pin-compatible or highly interchangeable with the following power chips depending on the circuit design:
- BQ25601 / BQ25601D
- ETA6953 / ETA6963
- SGM41511 / SGM41512
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