Power Integrations INN3378C-H302 | Demoboard DER-908

Description

This document is an engineering report describing a 30 W USB PD 3.0 power supply using InnoSwitch3-Pro INN3378-H302 IC and VIA Labs VP302 USB PD controller.

Features

• InnoSwitch3-Pro - digitally controllable CV/CC QR flyback switcher IC with integrated high-voltage MOSFET, synchronous rectification and FluxLinkTM feedback
• I2C Interface enables low pin count USB PD Controller VP302 (8 pin)
• Sophisticated telemetry and comprehensive protection features
• Meets DOE6 and CoC v5 2016 Average Efficiency requirements with high margin (>3.0%)
• 5 V Output: 91.00% at 115 VAC (9.16% margin); 89.62% at 230 VAC (7.79% margin)
• 9 V Output: 91.93% at 115 VAC (4.63% margin); 91.51% at 230 VAC (4.22% margin)
• 15 V Output: 91.95% at 115 VAC (4.25% margin); 91.73% at 230 VAC (4.03% margin)
• 20 V Output: 91.22% at 115 VAC (3.52% margin); 90.99% at 230 VAC (3.29% margin)
• <20 mW no-load input power at 230 VAC
• Meets CISPR22 / EN55022 Class B Conducted EMI with high margin

• 3dB margin at worst case condition (20 V / 1.5 A, 230 VAC)

• Low component count, high power density
• Total part count: 59
• Power density: 9.66 W / inch3 without enclosure (1.87” x 1.77” x 0.94” form factor)

Typical applications

• USB PD Adapter

More information

• Datasheet
• IC product information