Power Integrations INN3379C-H302 | Demoboard DER-822

Description

This document is an engineering report describing a 60 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.-PDO1: 5 V / 3 A (Fixed Supply)-PDO2: 9 V / 3 A (Fixed Supply)-PDO3: 15 V / 3 A (Fixed Supply)-PDO4: 20 V / 3 A (Fixed Supply)-PDO5: 3.3 V – 21 V / 3 A (Programmable Power Supply)This report demonstrates the high power density, exceptional performance, and high efficiency designs possible when the InnoSwitch3-Pro family of controllers is paired with the input capacitor volume-reduction capabilities of the MinE-CAP IC.The report contains the power supply specification, schematic diagram, printed circuit board layout, bill of materials, magnetics 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 VP302 (8 pin)
• Sophisticated telemetry and comprehensive protection features
• Very high power density design enabled by MinE-CAP MIN1072M
• Power Density: 32.8 W / inch3 without enclosure (52 mm (L) x 26.2 mm (W) x 22 mm (H) formfactor)
• Meets DOE6 and CoC v5 2016 Average Efficiency requirements with high margin (>2.5%)
• 5 V Output: 91.47% at 115 VAC (9.67% margin); 90.29% at 230 VAC (8.49% margin)
• 9 V Output: 92.11% at 115 VAC (4.81% margin); 92.04% at 230 VAC (4.74% margin)
• 15 V Output: 92.17% at 115 VAC (3.27% margin); 92.85% at 230 VAC (3.95% margin)
• 20 V Output: 91.89% at 115 VAC (2.89% margin); 93.04% at 230 VAC (4.04% margin)
• <60 mW no-load input power at 230 VAC
• Meets CISPR22 / EN55022 Class B Conducted EMI
• Low component count

Typical applications

• PPS Power Adapter, USBPD

More information

• Datasheet
• IC product information