PMP21552 Reference Design

Texas Instruments

65-W USB Type-C ZVS-flyback reference design

Description

This reference design is a low-cost: high-density USB adapter that uses the UCC28780 active-clamp flyback controller and UCC5304 isolated driver in a ZVS-flyback topology. The maximum power rating is 65 W at 20-V output but is adjustable for 20-V/15-V/9-V/5-V output voltage and 3 A.  This design reaches a peak efficiency of 93.2%. The average efficiency and standby power levels are designed to meet DoE level VI and CoC Tier 2 limits.  The compact design has dimensions of 45 mm by 55 mm by 25mm (62cc).

Features
  • Compact size of 45mm by 55mm by 25mm (62cc)High efficiency: 93.2% peakEMI data provided in test report: below CISPR32 limitsSupports variable output voltage 5 V to 20 VDesigned to meet efficiency and standby requirements of DoE Level VI and CoC Tier 2
Applications
Product Categories
  • Power management