SC8815QDER

The SC8815QDER is a highly integrated buck-boost controller from SouthChip, designed for USB Power Delivery (PD) applications. It supports wide input voltage (3V–36V) and output voltage (3V–21V), making it ideal for fast-charging adapters, power banks, and automotive systems.
Key features:
- Buck-boost operation for stable output under varying input voltages.
- Programmable output voltage/current via I²C interface.
- High efficiency with synchronous rectification.
- Protections (OVP, UVP, OCP, thermal shutdown).
- Compact QFN package (4x4mm).
The SC8815QDER simplifies USB PD 3.0/QC4+ designs, ensuring fast, efficient power conversion.

The SC8815QDER is a synchronous buck-boost controller. Equivalent or similar products include:
- TI TPS63060/1 (Buck-Boost Converter)
- LTC3115 (Buck-Boost Regulator)
- MAX77831 (Buck-Boost Charger)
- MP3423 (Synchronous Buck-Boost Controller)
These alternatives offer comparable voltage regulation and efficiency. Check datasheets for exact specs.

The SC8815QDER is a synchronous buck-boost controller with the following key features:
- Wide Input Voltage Range: 2.7V to 36V, supporting various power sources.
- Output Voltage Range: Adjustable from 2.5V to 22V.
- High Efficiency: Up to 95%, using synchronous rectification.
- Buck-Boost Operation: Seamlessly transitions between modes for stable output.
- Programmable Switching Frequency: 100kHz to 600kHz for flexibility.
- Protection Features: Overcurrent, overvoltage, undervoltage lockout (UVLO), and thermal shutdown.
- Low Quiescent Current: ~30μA in standby mode for power-saving applications.
- Compact Package: QFN-24 (4x4mm) for space-constrained designs.
Ideal for battery-powered systems, industrial, and automotive applications.

The SC8815QDER is manufactured by Southchip Semiconductor Technology (Shanghai) Co., Ltd., a Chinese company specializing in power management ICs.
Southchip focuses on high-performance analog and mixed-signal chips, particularly for battery management, fast charging, and DC-DC conversion. Their products are widely used in consumer electronics, IoT, and automotive applications.
The company is known for cost-effective, efficient solutions and competes in markets dominated by global semiconductor firms.

The SC8815QDER is a synchronous buck-boost controller used in various power management applications. Key areas include:
1. Portable Devices: Smartphones, tablets, and wearables for efficient battery charging.
2. USB Power Delivery (PD): Supports fast charging in adapters and power banks.
3. Industrial Equipment: Provides stable voltage in automation and IoT devices.
4. Automotive Electronics: Used in infotainment and ADAS systems.
5. Consumer Electronics: Powers drones, cameras, and other gadgets requiring flexible voltage regulation.
Its high efficiency and wide input/output range make it ideal for compact, energy-sensitive designs.

The SC8815QDER is a power management IC (PMIC) typically available in a QFN (Quad Flat No-leads) package, commonly with a compact form factor like 4x4mm or 3x3mm. Exact dimensions and pin count vary by manufacturer, so refer to the datasheet for specifics. QFN packages offer good thermal performance and are widely used in space-constrained applications.