Power Integrations INN3279C-H215 | Demoboard DER-601

Description

This document is an engineering report describing a 5 V / 3 A or 9 V / 3 A or 15 V / 3 A or 20 V / 3 A output USB Type-C and USB-PD charger using the InnoSwitch-3 and Weltrend WT6615F USB Type-C 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-CP controller providing exceptional performance.This document contains the power supply specification, schematic, bill of materials,transformer documentation, printed circuit layout, and performance data.

Features

• InnoSwitch-3 is industry first AC/DC IC with isolated, safety rated integrated feedback
• All the benefits of secondary-side control with the simplicity of primary-side regulation
• Insensitive to transformer variation
• Built in synchronous rectification for high efficiency
• Meets DOE6 and CoC Tier 2 V5 2016
• <40 mW no-load input power with estimated 10 mW consumption by WeltrendWT6615F USB PD controller
• Primary sensed overvoltage protection
• Very high power density using GaN switch
• 17.4 W / inch3 with enclosure
• 11W / inch3 without enclosure
• Very low component count
• Power stage - 45 components
• USB PD controller stage - 38 components

• 6 db margin on conducted EMI

• Very high average efficiency
• 5 V Output – 92.0% at 115 VAC and 91.2% at 230 VAC
• 9 V Output – 92.7% at 115 VAC and 92.7% at 230 VAC
• 15 V Output – 92.8% at 115 VAC and 93.3% at 230 VAC
• 20 V Output – 92.7% at 115 VAC and 93.4% at 230 VAC

Typical applications

• Mobile Phone / Tablet / Laptop Adapter

More information

• Datasheet
• IC product information