Power Integrations INN5377F-H905 | Demoboard RDR-1002

Description

This engineering report describes a highpower density 140 W USB PD 3.1 Extended Power Range (EPR) power supply using two PowiGaN-based devices: HiperPFS-5 PFS5277F for the Power Factor Correction (PFC) stage and InnoSwitch5-Pro INN5377F-H905 for the flyback stage, paired with Injoinic IP2756 as the USB PD controller. The USB PD source capabilities of the power supply are listed below

Features

• InnoSwitch5-Pro – SR ZVS flyback switcher IC with integrated high-voltage PowiGaN, synchronous rectification and FluxLinkTM feedback
• 140 W USB PD 3.1 design supports EPR 28 V / 5 A output

• 95% full load efficiency at 28 V / 5A, 230 VAC

• 94% full load efficiency at 28 V / 5 A, 90 VAC

• <50 mW no-load input power
• Ultra-compact 80.5 x 63.5 x 20 mm PCB design includes AC prong space
• Zero voltage switching in DCM operating conditions
• 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
• Output overvoltage and overcurrent protection
• Integrated thermal protection

Typical applications

• USB PD Adapter and Power Strips

More information

• Datasheet
• IC product information