NCP1345Q01D1R2G – High‑Efficiency Quasi‑Resonant Flyback Controller | Available at ChipsX

The NCP1345Q01D1R2G is a highly efficient, high-voltage quasi-resonant flyback controller designed for compact, low standby power applications such as USB Power Delivery and USB Type-C power adapters. It offers advanced control strategies and robust protection features to support demanding AC-DC converter designs.



Key Features:

  • Quasi-resonant operation for reduced EMI and switching losses

  • Frequency foldback and skip mode for light load efficiency

  • Primary-side constant current control

  • Internal high-voltage startup circuitry

  • Multiple integrated protection functions including overvoltage, overcurrent, thermal shutdown, and brownout protection

  • Dual VCC pin architecture for simplified auxiliary power design

  • Compact SOIC-9 package

Typical Applications:

  • USB Power Delivery (USB-PD) adapters

  • USB Type-C wall chargers

  • Compact AC-DC adapters for consumer electronics

  • Battery charging circuits

  • Isolated flyback power supplies

Why Choose ChipsX?

At ChipsX, we ensure:

  • ✅ 100% original and authentic components

  • ✅ Global fast shipping

  • ✅ Bulk pricing and flexible packaging options

  • ✅ Technical support for design integration

Ready to Order?

Reach out to ChipsX today for a quote, stock availability, or design consultation for the NCP1345Q01D1R2G.

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