Consumer Power Adapter Solution
High-Efficiency, Low Standby Power Adapters
This reference design targets high-density, fast-charging USB-PD and fixed-voltage power adapters for consumer electronics. By using Silan's highly integrated flyback PWM controllers and low-resistance MOSFETs, this solution achieves high efficiency, low standby power consumption, and comprehensive protection features in a very compact form factor.
System Block Diagram
Core Advantages
- High Integration: The PWM controller integrates the startup circuit and various protections, reducing external component count.
- Excellent Efficiency: Achieves high average efficiency to meet DoE Level VI and CoC Tier 2 standards.
- Low Standby Power: Sub-75mW no-load power consumption.
- Comprehensive Protection: Includes over-voltage, over-current, and over-temperature protection.
Recommended Bill of Materials (BOM)
| Function | Recommended Part | Description | Link |
|---|---|---|---|
| PWM Controller | SD6834 | Primary Side Regulation Flyback Controller | View Product |
| Primary MOSFET | SVF12N65F | 650V N-Channel MOSFET | View Product |
| Synchronous Rectifier | SC32F9832 | (MCU for control, placeholder) | View Product |