Technical Specifications
According to official documentation from Southchip, the key features of the underlying SC89601D platform include:
- Battery Support: Optimised for 1-cell Lithium-ion (Li-ion) batteries.
- Input Voltage Range: Supports a wide operational window from 3.9V to 13.5V.
- Maximum Charging Current: Delivers up to 3A fast charging capacity.
- Operating Frequency: Features a high-frequency 1.5MHz switching rate to keep external components small.
- Power Path Management: Integrates Narrow VDC (NVDC) architecture. This system power path technology prioritizes powering the device system load separately from the battery charging process. It allows dead or deeply depleted battery startups using power directly from the VBUS.
- Charging Profiles: Controls automated phases including trickle charge, constant current (CC) charge, constant voltage (CV) charge, termination, and auto-recharge cycles.
Hardware Context & Applications
- Target Devices: Most frequently used to repair charging port faults or power failures on popular budget-friendly smartphones. This includes specific models like the Xiaomi Redmi 11A and Realme C12.
- Common Symptoms of Failure: When this IC fails, the phone will typically show a “dead phone” status, draw 0A from a USB tester, trigger slow charging warnings, or completely fail to detect a USB charging cable.
- Cross-compatibility: Repair technicians often find it packed interchangeably or alongside alternative power markers like the SGMGKB, SGMMCC, and SC8950 family.
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