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Power Integrations Releases InnoSwitch3-PD Reference Design for Ultra-Compact USB Type C, PD + PPS Adapter
DER-937 leverages highly integrated boost PFC and GaN flyback switcher ICs to implement 100 W USB PD charger using only 117 components

Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today published a new reference design that describes a USB Power Delivery (PD) charger with exceptional performance and very low component count. Based around Power Integrations' new InnoSwitch™3-PD PowiGaN™ flyback switcher and HiperPFS™-4 PFC controller ICs, the DER-937 report contains the power supply specification, schematic, PCB layout, bill of materials, detailed magnetics specifications and performance data of a power factor corrected (PFC) 100 W USB PD 3.0 + Programmable Power Supply (PPS) charger using only 117 components.

Aditya Kulkarni, senior product marketing engineer at Power Integrations, said: "This USB PD charger design reaches efficiency levels in excess of 93%, including input, PFC and flyback stages. Its no-load performance is also excellent – the circuit requires less than 40 mW no-load input power at 230 VAC. BOM count is approximately half that of conventional designs, saving space, reducing design time and simplifying component sourcing for high-volume manufacture of slim, ultra-compact OEM and aftermarket chargers."

DER-937 uses two recently introduced ICs from Power Integrations. The InnoSwitch3-PD INN3870C off-line quasi-resonant flyback switcher combines a USB Type C and USB PD controller, high-voltage PowiGaN gallium-nitride switch, synchronous rectification and FluxLink™ feedback. The HiperPFS-4 PFS7628C PFC controller IC, available with an integrated Qspeed™ low-reverse-recovery-charge (Qrr) boost diode, delivers greater than 98% efficiency across the full load range.

Availability & Resources

DER-937 is available to download on the Power Integrations website at power.com/der-937.

2021111001 / 10.11.2021 / Electronic-components / Power Integrations /

Power Integrations Expands InnoSwitch4-CZ Integrated Switcher Family to 220 W
New high-voltage GaN switches boost efficiency to 95 percent, yielding ultra-compact USB PD 3.1 adapters

Power Integrations Launches SCALE EV: Automotive-Qualified IGBT/SiC Module Driver Family; Targets Bus, Truck and Con-Ag EVs
Compact driver board features reinforced isolation, ASIL B/C certification

Power Integrations’ HiperLCS-2 Chipset Boosts LLC Converter Efficiency, Slashes Component Count by 40 Percent
Surface-mount LLC chipset delivers 250 W with over 98 percent efficiency and no heatsink; no-load consumption is less than 50 mW

Power Integrations Introduces Industry’s First Automotive-Qualified High-Voltage Switcher ICs with 1700 V SiC MOSFET
Expanded InnoSwitch3 family slashes component count and boosts efficiency in EV and industrial applications

Power Integrations’ New InnoSwitch3-TN ICs Slash Energy Waste in Appliance Power Supplies by 75%
Beyond the buck regulator: Newest InnoSwitch3 IC family delivers simplicity, flexibility, and industry-leading efficiency in high-output-current designs

Power Integrations Releases InnoSwitch3-PD Reference Design for Ultra-Compact USB Type C, PD + PPS Adapter
DER-937 leverages highly integrated boost PFC and GaN flyback switcher ICs to implement 100 W USB PD charger using only 117 components

Power Integrations Introduces the InnoSwitch3-PD Family of Flyback Switcher ICs with Built-In USB PD Controller
A fully integrated charger solution combines USB PD, PPS, PowiGaN and FluxLink to maximize efficiency and slash component count in adapters and chargers

Power Integrations’ New SCALE-iFlex LT Plug-and-Play Gate Driver Improves EconoDUAL IGBT Module Performance by 20%
New gate driver eliminates one in six modules; substantially reduces system complexity

Power Integrations Introduces SCALE-iFlex Single Plug-and-Play Gate Drivers for “New Dual” Modules
SCALE-2 technology optimizes footprint, improves efficiency, performance and reliability of power inverters and converters to 3300 V

Automotive-Qualified Qspeed Silicon Diodes Feature Lowest Qrr for Efficient, High-Switching-Speed Designs
600 V 12 A diodes can replace SiC parts in automotive applications

Power Integrations Incorporates Lossless Zero-Cross Detection and X-Capacitor Discharge into New LinkSwitch-TNZ Offline Switcher ICs
LinkSwitch-TNZ compact switcher reduces component count, addresses smart home and appliance applications

Power Integrations Introduces InnoSwitch4-CZ Flyback Switcher ICs for a New Class of Mobile Charging Devices
Anker selects zero voltage switching InnoSwitch4-CZ ICs with PowiGaN technology for new ultra-compact 30, 45 & 65 W USB-C Nano II charger series

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Friedrich Lütze GmbH

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ENERGETAB 2021 Poland, Bielsko Biala, 14.9.-16.9.2021


Address Book


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electronica 2022, 15.11.-18.11.2022, München, DE
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