XDPL8105 Digital Flyback Controller IC SMD Package

The XDPL8105 operates from a wide input voltage range and delivers high power efficiency with low total harmonic distortion (THD). Its digital control engine dynamically optimizes operating modes, enabling both constant voltage and constant current regulation with excellent accuracy. The IC supports universal input (90–305 VAC) and allows designers to achieve high power factor (>0.95) and low standby power without external microcontrollers.

With multiple built-in protection features and programmable parameters via its UART interface, the XDPL8105 offers an intelligent, flexible, and future-proof solution for modern power supply designs.

Features

• Fully integrated digital flyback controller with CC/CV operation
• Supports quasi-resonant (QR) and valley switching for high efficiency
• Wide input range: 90–305 VAC
• High power factor (PF > 0.95) and low THD
• Digital control loop for superior regulation accuracy
• UART interface for parameter configuration and firmware updates
• Adjustable output voltage and current limits
• Low standby power (<150 mW)
• Comprehensive protection features:
• Over-voltage (OVP)
• Over-current (OCP)
• Over-temperature (OTP)
• Short-circuit protection (SCP)
• Compact and reliable SMD package

Applications

• LED lighting power supplies (constant current or constant voltage)
• Smart lighting systems
• AC–DC adapters and chargers
• Industrial and commercial power supplies
• IoT power modules and smart drivers
• Street lights, panel lights, and tube lighting

Functional Highlights

• Intelligent digital control engine for mode optimization
• Valley switching reduces switching losses and EMI
• Configurable start-up and soft-start control
• Supports wide output power range
• Integrated protections enhance reliability and safety
• Communication interface (UART) for parameter tuning and diagnostics
• High efficiency (>90%) in wide operating conditions