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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 (Nasdaq: POWI), the leader in high-voltage integrated circuits (ICs) for energy-efficient power conversion, today announced the addition of two new AEC-Q100 qualified, 1700-volt rated ICs to its InnoSwitch™3-AQ family. The new devices are the industry’s first automotive-qualified switching power supply ICs to incorporate a silicon carbide (SiC) primary switching MOSFET. Delivering up to 70 watts of output power, the new ICs are targeted for use in 600- and 800-volt battery and fuel-cell electric passenger vehicles, as well as electric buses, trucks and a wide range of industrial power applications.

Highly integrated InnoSwitch ICs reduce the number of components required to implement a power supply by as much as 50 percent, saving significant circuit-board space, enhancing system reliability and mitigating component sourcing challenges. Devices from the award-winning InnoSwitch family are now available with a choice of cost-effective silicon, high-efficiency gallium nitride (GaN) and high-voltage SiC transistors, permitting designers to optimize their power solution across a broad range of consumer, computer, communications, industrial and automotive applications.

Peter Vaughan, director of automotive business development at Power Integrations, said: "800-volt batteries are becoming standard for EVs. Multiple vehicle systems are connected to this powerful electrical source, yet delicate electronic control circuits require just a few volts for operation and communication. InnoSwitch devices allow the electronics to safely sip from the firehose of energy available on the main bus, using minimal board area and without wasting energy. Most exciting is the opportunity to dramatically simplify the emergency power supply for the main traction inverter, which may be called upon at a moment’s notice to operate from any voltage between 30 volts and 1000 volts. Our SiC-based InnoSwitch3-AQ devices handle this vast range with incredible ease.”

Offered in a compact InSOP™-24D package, the new ICs use a FluxLink™ feedback link, providing reinforced isolation up to 5000 VRMS for secondary-side control. FluxLink technology enables direct sensing of the output voltage, providing benefits such as accurate regulation and extremely fast transient response. The circuit will start from 30 volts without external circuitry – critical for functional safety. Additional protection features include input under-voltage, output over-voltage and over-current limiting.

The inclusion of synchronous rectification and a quasi-resonant (QR) / CCM flyback controller achieves greater than 90% efficiency, easily meeting the strictest OEM requirements. These new parts consume less than 15 mW at no-load, which is ideal for reducing self-discharge in battery management systems.

The InnoSwitch3-AQ 1700-volt parts are also suitable for industrial markets, where the integrated solution replaces discrete controller-plus-MOSFET designs, saving space, time and cost while increasing reliability in applications such as renewables, industrial motor drives, battery storage and metering.

Availability & Resources

A reference design, DER-913Q, and hardware kit RDK-919Q, are available for designers wishing to evaluate the InnoSwitch3-AQ 1700-volt IC. Devices are priced at $5.64 for part number INN3947CQ-TL and $9.02 for part number INN3949CQ-TL in 1,000-unit quantities. For further information contact a Power Integrations sales representative or one of the company’s authorized worldwide distributors: Digi-Key, Farnell, Mouser and RS Components, or visit power.com.

2022021301 / 13.02.2022 / 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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Brand new Qseven upgrade: NXP i.MX 8 | conga-QMX8-Plus


ENERGETAB 2021 Poland, Bielsko Biala, 14.9.-16.9.2021


Address Book


Friedrich Lütze GmbH


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PICMG


Laird Thermal Systems


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TTI, Inc.


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Power Integrations



Calendary
electronica 2022, 15.11.-18.11.2022, München, DE
DistribuTECH, 7.2.-9.2.2023, San Diego, CA
AUTOMATICON 2023, 7.3.-9.3.2023, Warsaw, PL
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