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Power Integrations Targets Compact Smart-Lighting Designs With Highly Efficient GaN-Powered LYTSwitch-6 LED Drivers
Enables dimmable 90 W LED ballasts in an isolated flyback topology following a boost Power Factor Correction (PFC) stage

Power Integrations (Nasdaq: POWI), the leader in high-efficiency, high-reliability LED-driver ICs, today announced a new member of the LYTSwitch™-6 family of safety-isolated LED drivers for smart lighting applications – the LYT6078C. This new LYTSwitch-6IC uses Power Integrations’ PowiGaN™ gallium nitride (GaN) technology to deliver efficiency and performance benefits, demonstrated by the new design example report (DER-920) the company is also announcing today.

The PowiGaN-based LYT6078C IC incorporates a 750 V power switch and delivers flicker-free output up to 90 W with other members of the family providing up to 110 W. Including both the PFC stage and the LYTSwitch-6 LED driver, system efficiency exceeds 90%. Housed in the miniature InSOP-24 surface-mount package, LYTSwitch-6 ICs are protected by an advanced thermal fold-back system, which reduces output power to limit device temperature during abnormal conditions, while still providing light output. LYTSwitch-6 ICs also incorporate Power Integrations’ FluxLink™ communication technology, which allows secondary-side control without the need for an optocoupler, and provides better than ±3% CV and CC regulation across line, load, temperature, and manufacturing. All LYTSwitch-6 ICs exhibit fast transient response and easily support pulse-width-modulation (PWM) dimming.

The performance benefits of the LYT6078C are evident in a new design report (DER-920) detailing a two-stage PFC boost plus isolated flyback on a dimmable LED ballast. It employs the LYTSwitch-6 LYT6078C IC and Power Integrations’ HiperPFSTM-4 PFS7624C PFC controller and provides peak efficiency of greater than 91% when driving a 48 V LED string at 1350 mA from a 220 VAC to 277 VAC input. In standby mode, system power consumption is less than 80 mW, which provides engineers with substantial flexibility when designing lighting controls and particularly dim-to-off circuits.

Hubie Notohamiprodjo, director of product marketing for LED lighting said: “Power Integrations’ new PowiGaN-based LYTSwitch-6 ICs save lighting manufacturers space and system costs for smart lighting power supplies. The company’s key design goals for our latest design report were high power factor, low harmonic content, high efficiency, and 3-in-1 dimming with zero-to-100% output current. The new LYT6078C driver IC combined with our HiperPFS-4 PFC controller easily met these challenges.”

PowiGaN-based LYTSwitch-6 LED-driver ICs are available now, priced at $2.52 in 10,000 quantities. Technical support and the DER-920 design report are available from the Power Integrations website at https://www.power.com/lytswitch-6/.

2020091603 / 16.09.2020 / Komponenty elektroniczne / Power Integrations /

Power Integrations Delivers AEC-Qualified Buck Switcher IC with 850 mA Output for Low-Part-Count Automotive PSUs
LinkSwitch-TN2Q supports 30-550 VDC input with integrated system-level protection

Power Integrations Bundles New Three-Phase BLDC Control Software into Motor-Expert Suite for BridgeSwitch IC Family
Hardware-Software Solution for Three-Phase BLDC Motor Inverters Enables Greater Than 98 Percent Efficiency, Saves PCB Space and Speeds Time-to-Market

Power Integrations’ New MinE-CAP IC Reduces Volume of AC-DC Converters by Up to 40%
Novel MinE-CAP device dramatically reduces the input bulk capacitor size, reduces in-rush current by up to 95%, eliminates NTC thermistors and associated losses

Power Integrations Demonstrates Continued Industry Leadership as InnoSwitch IC Sales Surpass One Billion Units
Newest GaN-based devices provide up to 100 W of power and support applications from USB PD adapters to auxiliary power supplies for appliances

Power Integrations Targets Compact Smart-Lighting Designs With Highly Efficient GaN-Powered LYTSwitch-6 LED Drivers
Enables dimmable 90 W LED ballasts in an isolated flyback topology following a boost Power Factor Correction (PFC) stage

Power Integrations Releases Highly Integrated InnoSwitch3 Flyback Switcher IC for Automotive BEV and PHEV Applications
InnoSwitch3-AQ achieves Q100; operates efficiently from 30 V to 550 V DC input

LinkSwitch-TN2 High-Voltage Switcher ICs from Power Integrations Now Certified for Automotive Use
High-reliability, space-saving buck/flybackswitcher ICs target 400 VDC EV applications

Power Integrations’ GaN Technology Increases Output Power of High-Efficiency Display PSUs to 75 W
Power Integrations announced that its InnoSwitch™3-MX isolated switcher IC family has been expanded with the addition of three new PowiGaN™ devices. As part of a chipset with Power Integrations’ InnoMux™ controller IC, the new switcher ICs now support display and appliance power supply applications with a continuous output power of up to 75 W without a heatsink.

Power Integrations’ SCALE-iDriver for SiC MOSFETs Achieves AEC-Q100 Automotive Qualification
Compact and robust isolated SiC MOSFET driver incorporates active clamping and <2 µs short-circuit turn-off time

Power Integrations Expands Range of InnoSwitch3 ICs Incorporating Robust 750 V GaN Transistors
PowiGaN technology permits manufacture of 94% efficient power supplies suitable for regions with frequent brown-outs and line surges

Interesting video


electronica 2024, 12.11.-15.11.2024, Munich, DE


Video Report from AMPER 2022


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SENSOR+TEST 2024, 11.-13.6.2024, Nuremberg, DE
electronica 2024, 12.11.-15.11.2024, Munich, DE
DistribuTECH, 11.2.-13.2.2025, Dallas, TX

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The ISS Design Challenge ...

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Mouser Electronics Warehouse Tour with Grant Imahara


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