圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | Southchip Semicon |
| Package | QFN-32(4x4) |
概述
Description
The SC8933QFER is a synchronous buck controller designed for high-efficiency DC-DC voltage regulation. Key features include:
- Wide Input Range: Supports 4.5V to 36V, suitable for industrial, automotive, and telecom applications.
- Adjustable Output: Configurable via external resistors, typically down to 0.8V.
- High Efficiency: Uses synchronous rectification and supports up to 95% efficiency.
- Programmable Switching Frequency: Ranges from 100kHz to 1MHz, allowing flexibility in design.
- Protections: Includes overcurrent (OCP), overvoltage (OVP), undervoltage lockout (UVLO), and thermal shutdown.
- Package: QFN-16 for compact PCB layouts.
Ideal for point-of-load (POL) converters, it balances performance and cost in power supply designs.
- Wide Input Range: Supports 4.5V to 36V, suitable for industrial, automotive, and telecom applications.
- Adjustable Output: Configurable via external resistors, typically down to 0.8V.
- High Efficiency: Uses synchronous rectification and supports up to 95% efficiency.
- Programmable Switching Frequency: Ranges from 100kHz to 1MHz, allowing flexibility in design.
- Protections: Includes overcurrent (OCP), overvoltage (OVP), undervoltage lockout (UVLO), and thermal shutdown.
- Package: QFN-16 for compact PCB layouts.
Ideal for point-of-load (POL) converters, it balances performance and cost in power supply designs.
Equivalent
The SC8933QFER is a synchronous buck-boost controller. Equivalent or similar products include:
- LTC3780 (Analog Devices)
- TPS63060 (Texas Instruments)
- MAX77827 (Maxim Integrated)
- ISL9110 (Renesas)
These chips offer comparable buck-boost functionality, though pin compatibility and specs may vary. Always check datasheets for exact replacements.
- LTC3780 (Analog Devices)
- TPS63060 (Texas Instruments)
- MAX77827 (Maxim Integrated)
- ISL9110 (Renesas)
These chips offer comparable buck-boost functionality, though pin compatibility and specs may vary. Always check datasheets for exact replacements.
Features
The SC8933QFER is a synchronous buck controller with the following key features:
- Input Voltage Range: 4.5V to 36V
- Output Voltage Range: Adjustable down to 0.6V
- High Efficiency: Supports synchronous rectification
- Switching Frequency: Adjustable (300kHz to 2.2MHz)
- Current Mode Control: Ensures stable performance
- Protections: Overcurrent (OCP), overvoltage (OVP), undervoltage (UVP), and thermal shutdown
- Package: 16-pin QFN (3x3mm)
- Applications: Industrial, telecom, and networking systems
It integrates MOSFET drivers and offers flexible configuration for power management in compact designs.
- Input Voltage Range: 4.5V to 36V
- Output Voltage Range: Adjustable down to 0.6V
- High Efficiency: Supports synchronous rectification
- Switching Frequency: Adjustable (300kHz to 2.2MHz)
- Current Mode Control: Ensures stable performance
- Protections: Overcurrent (OCP), overvoltage (OVP), undervoltage (UVP), and thermal shutdown
- Package: 16-pin QFN (3x3mm)
- Applications: Industrial, telecom, and networking systems
It integrates MOSFET drivers and offers flexible configuration for power management in compact designs.
Manufacturer
The SC8933QFER is manufactured by Southchip Semiconductor Technology (上海南芯半导体科技股份有限公司), a Chinese company specializing in power management ICs. Founded in 2015 and headquartered in Shanghai, Southchip focuses on high-performance battery charging, DC-DC conversion, and fast-charging solutions. The company serves consumer electronics, automotive, and industrial markets, competing with global brands like Texas Instruments and Qualcomm. The SC8933QFER is a buck-boost charger controller, commonly used in smartphones and portable devices. Southchip is known for its innovation in power efficiency and integration.
Application
The SC8933QFER is a synchronous buck controller used in various power management applications. Key areas include:
1. Industrial Equipment – Power supplies for automation, control systems.
2. Telecommunications – Base stations, networking devices.
3. Consumer Electronics – TVs, monitors, set-top boxes.
4. Computing – Servers, storage systems, motherboards.
5. Automotive – Infotainment, ADAS (non-critical systems).
It supports wide input voltage (4.5V–36V) and high efficiency, making it suitable for DC-DC conversion in space-constrained designs.
1. Industrial Equipment – Power supplies for automation, control systems.
2. Telecommunications – Base stations, networking devices.
3. Consumer Electronics – TVs, monitors, set-top boxes.
4. Computing – Servers, storage systems, motherboards.
5. Automotive – Infotainment, ADAS (non-critical systems).
It supports wide input voltage (4.5V–36V) and high efficiency, making it suitable for DC-DC conversion in space-constrained designs.
Package
The SC8933QFER is available in a QFN (Quad Flat No-lead) package. Specifically, it comes in a 4mm x 4mm, 24-pin QFN (often labeled as QFN-24) with an exposed thermal pad for improved heat dissipation. This compact package is suitable for space-constrained applications.
