Infineon Technologies XDP™ digital power XDPS21081 controller IC

XDP™ digital power XDPS21081 is a flyback controller with zero voltage switching (ZVS) on the primary side to achieve high efficiency with simplified circuitry and economical switches resulting in lower BOM cost.

Key features

• Digital configurable flyback controller IC
• Integrated start-up cell
• Integrated dual gate driver
• Improved and optimized ZVS operation with highline input voltage

Additional features

• High switching frequency of up to 140 kHz
• Ensuring DCM operation with valley detection
• Light load control with active burst mode
• High density with a high switching frequency
• High efficiency with adaptive ZVS operation and frequency law for variable output design
• Safe and robust SR operation with DCM operation
• Ease of design with dual integrated gate drivers and start-up cell
• Ease of configurable design with GUI tools

Applications

• Adapter
• USB PD charger
• Smartphone charger