High Efficiency Adapter Solution
Application
Description
Complete 35W high-efficiency power adapter solution using InnoSwitch3-CP with >92% efficiency and <30mW standby power. Meets DOE Level VI and CoC Tier 2 requirements.
Core Advantages
Recommended Bill of Materials (BOM)
| Item | Part Number | Description | Quantity | Datasheet |
|---|---|---|---|---|
| 1 | INN3675C | Main controller IC | 1 | 📄 Download |
| 2 | Custom | Transformer | 1 | 📄 Download |
Applications
Technical Specifications
Customer Success Stories
Leading Mobile Accessory Brand
Consumer Electronics | USB-C PD Chargers
Challenge
Design compact 35W USB-C PD charger with high efficiency and low standby power
Solution
Used INN3675C with InnoSwitch3-CP for high integration and efficiency
Results
Achieved 93% peak efficiency, <25mW standby power, 40% smaller than previous design
FAE Expert Insights
Michael Chen
Senior FAE - Power Systems
10 years
Professional Insights
When designing high-efficiency adapters with InnoSwitch3, key considerations include: 1) Transformer design - use PI Expert for optimized specifications, 2) Synchronous rectification - select SR FET with low RDS(on) and fast switching, 3) EMI filtering - compact common-mode choke for conducted EMI, 4) Thermal management - adequate copper area for heat dissipation, 5) USB PD controller - integrate for fast charging protocols. The InnoSwitch3's integrated protection features simplify safety compliance.
Key Takeaways
- High efficiency reduces operating costs
- Integrated protection simplifies design
- Compact size enables high power density
Decision Framework
Decision Framework
Steps:
- Evaluate requirements
- Compare solutions
- Consult FAE