Power Integration

Demoboard DER-628

18 W USB PD Power Supply Using InnoSwitchTM3-CP INN3264C-H201 and Cypress CCG3PA CYPD3175

Topology: Flyback
Input Voltage (min.): 85.00 V
Input Voltage (max.): 265.00 V
Output 1: 5.00 V / 3.000 A

Original publication on 2018-09-24, revision 1.0


This document is an engineering report describing a 5 V / 3.0 A or 9 V / 2 A output USB Type-C and USB PD charger using the InnoSwitch3 and Cypress CCG3PA USB Type-C USB PD Controller. This design shows the high power density and efficiency that is possible due to the high level of integration of the InnoSwitch3 controller providing exceptional performance.


  • InnoSwitch3-CP is industry first AC/DC IC with isolated, safety rated integrated feedback
  • Highly integrated USB PD controller CCG3PA
  • CYPD3175
  • All the benefits of secondary-side control with the simplicity of primary-side regulation
  • Insensitive to transformer variation
  • Built-in synchronous rectification for high efficiency
  • Meets DOE6 and CoC V5 2016
  • At least 1.6% efficiency margin
  • <30 mW no-load input power
  • Integrated thermal protection
  • Primary sensed output overvoltage protection
  • Line undervoltage / overvoltage protection


  Order Code SPEC Product series Anwendung Interface typ Typ Gender Pins Montageart Arbeitsspannung
(V (DC))
Verpackung Samples
632723300011 PDF WR-COM USB 3.1 Type C Receptacle Horizontal THT / SMT USB 3.1 Type C Horizontal Receptacle 24 THR 20 Tape and Reel

Other applications and Würth Elektronik products for this IC

  • INN3264C-H201
    Topology: Flyback, Input Voltage (min.): 85.00 V, Input Voltage (max.): 265.00 V, Output 1: 9.00 V / 2.000 A