Power Integrations INN3379C-H302 | Demoboard DER-600

Description

This document is an engineering report describing a 45 W USB PD power supply with 5 V/ 3 A, 9 V / 3 A, 15 V / 3 A, 20 V / 2.25 A, output using InnoSwitch3-Pro INN3379-H302 IC and VIA Labs VP302 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-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 highvoltageMOSFET, 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 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)
• Output overvoltage and overcurrent protection
• Integrated thermal protection
• <20 mW no-load input power
• Compact design with high power density: 13.5 W/inch3 with enclosure (45 W / 1.5 in x 1.38in x 1.61 in), 25.56 W/ inch3 without enclosure (45W/ 1.2875 in X 1.08 in X 1.266 in)

Typical applications

• Mobile Phone Charger

More information

• Datasheet
• IC product information