Power Integrations INN3379C-H302 | Demoboard DER-856

Description

This document is an engineering report describing a 45 W USB PD 3.0 power supply using InnoSwitch3-Pro INN3379-H302 IC and VIA Labs VP302 USB PD controller. The USB PD source capabilities of the power supply are listed below.-5 V / 5 A (Fixed Supply PDO)-9 V / 5 A (Fixed Supply PDO)-15 V / 3 A (Fixed Supply PDO)-20 V / 2.25 A (Fixed Supply PDO)-3.3 V – 11 V / 5 A (Programmable Power Supply APDO, 45 W power-limited)-3.3 V – 16 V / 3 A (Programmable Power Supply APDO)-3.3 V – 21 V / 2.25 A (Programmable Power Supply APDO)This design shows the high power density and efficiency that is possible due to the high level of integration of the InnoSwitch3-Pro controller providing exceptional performance.The report contains the power supply specification, schematic diagram, printed circuit board layout, bill of materials, magnetics and adapter case specifications, and performance data.

Features

• InnoSwitch3-Pro - digitally controllable CV/CC QR flyback switcher IC with integrated high-voltageMOSFET, synchronous rectification and FluxLinkTM feedback
• I2C Interface enables low pin count USB PD Controller (8 pin)
• Sophisticated telemetry and comprehensive protection features
• USB PD 3.0 with PPS using highly optimized, low pin count USB PD Controller VP302
• 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 (20 mV) and CC thresholds (50 mA) in compliance with PPS protocol
• Output overvoltage and overcurrent protection
• Integrated thermal protection
• <30 mW no-load input power

Typical applications

• Mobile Phone Charger

More information

• Datasheet
• IC product information