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Power Integration INN3368C-H301 | Demoboard DER-702

45 W USB PD 3.0 with 3.3 V - 16 V PPS Power Supply Using InnoSwitchTM3-Pro INN3368C-H301 and Weltrend WT6635P

Overview

Topology Flyback Converter
Input voltage 85-264 V
Switching frequency 30-100 kHz
Output 1 5 V / 3 A
IC revision 1.1

Description

This document is an engineering report describing a 5 V / 3 A, 9 V / 3 A, 15 V / 3 A, 20 V/2.25 A USB PD PPS power supply. This power supply uses InnoSwitch3-Pro INN3368C IC and Weltrend WT6635P 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-Procontroller providing exceptional performance.This document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.

Features

  • InnoSwitch3-Pro - digitally controllable CV/CC QR flyback switcher IC with integrated highvoltage
  • MOSFET, synchronous rectification and FluxLinkTM feedback
  • I2C interface enables low pin count USB PD controller (10 pin)
  • Sophisticated telemetry and comprehensive protection features
  • USB PD 3.0 with PPS highly optimized low pin count USB PD controller WT6635P
  • All the benefits of secondary-side control with the simplicity of primary-side regulation
  • Insensitive to transformer variation
  • Meets DOE6 and CoC V5 2016 efficiency requirement (>1% efficiency margin)
  • Micro stepping of voltages and CC thresholds in compliance with PPS protocol
  • Output overvoltage and overcurrent protection
  • <30 mW no-load input power
  • Integrated thermal protection
  • 20 mV voltage step / 50 mA current step in PPS mode

Typical applications

  • High efficiency USB PD 3.0 + PPS/QC adapters / Multiprotocol adapters including QuickCharge, AFC, FCP, SCP
  • Direct-charge mobile device chargers
  • Multi-chemistry tool and general purpose battery chargers
  • Adjustable CV and CC LED ballast

Products

Order Code Data­sheet Downloads Product series Application Interface Type Type PCB Thickness
(mm)
Gender Pins Mount Working Voltage
(V (DC))
Packaging Samples
632723300011
IGE STE 3D ALT EAG CAD WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT USB 3.1 Type C Horizontal 1.6 Receptacle 24 THR 20 Tape and Reel
Order Code Data­sheet
632723300011
Samples
Order Code Data­sheet Downloads Product series Application Interface Type Type PCB Thickness
(mm)
Gender Pins Mount Working Voltage
(V (DC))
Packaging Samples