LYTSwitch-6 LED Drivers from Power Integrations Feature High Efficiency and Very Low Standby Power

Power Integrations, a manufacturer of high-efficiency, high-reliability LED-driver ICs, announced the LYTSwitch™-6 family of safety-isolated LED-driver ICs for smart lighting applications. The new ICs deliver flicker-free output up to 65 W, and feature up to 94% efficiency and as little as 15 mW standby power, with configuration options for two-stage or single-stage PFC support.
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Power Integrations Enables No-Neutral Wireless Wall Switches for Smart-Home Lighting

Power Integrations, specializing in high-efficiency, high-reliability LED-driver ICs, announced a new reference design, DER-622, describing a smart wall switch compatible with wiring conditions most commonly found in residential retrofit installations.
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Power Integrations Adds New LED Driver ICs for 20W Lights to Product Portfolio

Power Integrations, the leader in high-efficiency, high-reliability LED driver ICs, today announced the LYTSwitch™-3 family – the latest addition to the company’s LYTSwitch line of LED driver ICs. Ideal for bulbs, tubes and downlights up to 20 watts, LYTSwitch-3 ICs offer excellent dimming performance with both leading-edge and trailing-edge TRIAC dimmers, and support both isolated and non-isolated topologies.
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Power Integrations Introduces Driver Reference Designs for CREE LED Bulbs

Power Integrations (Nasdaq: POWI), the leader in high-efficiency, high-reliability LED-driver ICs, today announced four reference designs describing drivers for dimmable PAR 30 and PAR 38 LED light bulbs. Jointly developed by Power Integrations and CREE, the designs showcase the combination of Power Integrations’ LYTSwitch™-4 driver ICs and CREE MT-G2 EasyWhite LEDs. DER-364 and DER-365 detail low- and high-line PAR 30 LED bulb drivers, respectively, while DER-350 and DER-396 address low- and high-line PAR 38 bulbs. These and other reference designs are hosted at www.powerint.com/ledrivers/cree.
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Power Integrations Launches New LED-driver ICs

Power Integrations announced the release of LYTSwitch™-2 family of isolated LED drivers. The new IC family, which delivers up to 12 watts of accurately controlled output power, substantially reduces component count, resulting in simpler, smaller, more reliable LED lighting designs.
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Power Integrations Adds High-Line Parts to LYTSwitch-4 LED-Driver IC Family

Power Integrations added devices optimized for high-line applications, completing the roll-out of its LYTSwitch™-4 LED-driver IC family. LYTSwitch-4 ICs deliver accurate output current and high efficiency for bulb and tube applications and high-bay lighting. The devices simplify design and reduce cost while ensuring that lamps deliver uniform light output and provide exceptional performance in TRIAC-dimmable applications.
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Cree and Power Integrations Collaborate to Develop Efficient PAR38 LED Spotlight

DER-350 achieves excellent dimming performance for all TRIAC dimmer types
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PI Introduces Highly Integrated LED Driver ICs for Low Power LED Lamps

Power Integrations introduced its LYTSwitch-0 ICs on June 18, a new series of devices within the LYTSwitch family. LYTSwitch-0 ICs come with a unique combination of simplicity, reliability and efficiency. These new LED driver ICs would be the optimal choice for cost-sensitive, non-isolated, non-dimmable GU10 bulbs and other space-constrained bulb applications. LYTSwitch-0 devices feature efficiencies of more than 90% and deliver constant current with better than +/-5% regulation in typical applications. Power factor is greater than 0.8 at 115 VAC and 0.5...
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Power Integrations Introduces New LED-Downlight Reference Design

Power Integrations announced RDR-347, an LED-downlight reference design. The new circuit demonstrates the capabilities of the recently launched LYTSwitch™ IC family. The RDR-347 12 W reference design, based on the LYT4313E, delivers a power factor greater than 0.95 and reduces total harmonic distortion (THD) to less than 10% - easily meeting EN61000-3-2C requirements. Efficiency is greater than 86% at 120 VAC – industry-leading performance for an isolated solution capable of operating with a wide range of dimmers. This performance is possible...
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Power Integrations Launches LED Driver with 88%-efficient for 100W Bulb Replacement

Power Integrations has launched an 18W non-isolated A19 LED driver with 88%-efficient. It’s designed for a 100W incandescent bulb replacement and will support low-line (90 VAC to 135 VAC) operation. According to Andrew Smith, product marketing manager at Power Integrations, "The lighting industry typically asks for 80% efficiency for drivers targeting 60W A19 bulb replacements. To achieve viable LED-based replacements for 75W and 100W bulbs, much higher efficiency is needed in order to reduce the heat dissipated by the driver. The 88% efficiency...
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Power Integrations Launched 75 W Single-Stage LED Lighting Driver

Power Integrations has added two new devices to its LinkSwitch™-PH IC family. The new devices allow commercial lighting applications up to 75 W to benefit from single-stage design, reducing BOM cost and enabling a smaller driver with high efficiency. LNK410EG (dimming) and LNK420EG (non-dimming) provide a constant-current output with a PF- corrected and low THD input. The capabilities of the new devices are showcased in RDR-290, a reference design describing a single-output driver for high-bay lighting. RDR-290 is 92.2% efficient at 230 VAC...
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Power Integrations Releases 150 W LED-Driver Design

Power Integrations has released a reference design kit for a 150 W, 48 V power supply for LED streetlights and other industrial/infrastructure lighting systems. The driver circuit described in RDR-292 is more than 93% efficient at 230 VAC input and above 91% at 110 VAC. The design delivers a system power factor of greater than 0.97, THD of less than 10%, and easily meets EN61000-3-2 C. Designs can be scaled from 75 W to 400 W, using the same platform, simply by choosing different HiperPFS™ (PFC) and HiperLCS™ (LLC) family members and si...
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Fairchild Semiconductor Filed New Patent Infringement Claims against Power Integrations

Fairchild Semiconductor has filed new patent infringement claims against Power Integrations' LinkSwitch-PH LED power conversion products. The new lawsuit follows last week's jury verdict finding that Power Integrations' LinkSwitch-II and LinkSwitch-CV products infringe Fairchild patent claims. Fairchild is asserting three new patents that extend the company's primary side regulation technology, already found infringed by Power Integrations, to LED power conversion technology. The lawsuit was filed in the United States District Court for...
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Power Integrations Introduces New LED-driver for 100 W Incandescent A19 Bulb Replacement

Power Integrations has rolled out an LED-driver reference design DER-322 for a 100 W incandescent bulb replacement in an A19 form factor - an industry first. DER-322 describes a non-isolated, 93% efficient, high-power-factor (PF) LED driver designed to drive a nominal LED string voltage of 78 V at 230 mA from an input voltage range of 195 VAC to 265 VAC (47 Hz -- 63 Hz). The LED driver utilizes the very low-profile LNK460VG from the LinkSwitch™-PL family of ICs from Power Integrations. DER-322 fits neatly inside the A19 form fac...
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Power Integrations Introduces New LED Driver Reference Design

Power Integrations has introduced new LED driver reference design (DER-286) for a 30 W LED tube replacement ballast power supply capable of achieving industry-leading efficiency levels of over 90% across a wide input-voltage range while meeting worldwide requirements for power factor (PF) and total harmonic distortion (THD). According to the company, the DER-286 is based on the LNK419EG, a member of Power Integrations’ LinkSwitch™-PH family of ICs. LinkSwitch-PH devices combine a controller and 725 V MOSFET to dramatically reduce th...
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PI Design for 15W Downlight is Flicker-Free

Power Integrations has a reference design for an 85%-efficient, 15W PAR38 downlight driver that it claims will deliver flicker-free dimming without the use of electrolytic bulk capacitors. Based around the firm’s LNK405EG LED driver IC, it is designed to provide flicker-free performance across a broad range of triac dimmers. Typical TRIAC dimmers were designed for incandescent lights that use an order of magnitude more power than LED lights of equivalent lumen output. According to the supplier, the low current requirement of LED lights, especially...
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Power Integrations’ LinkSwitch™-PH Delivers Flicker-Free TRIAC Dimming for LED Downlights

Power Integrations introduced a new reference design (DER-281) detailing an 85%-efficient, 15 W PAR38 downlight driver that delivers flicker-free dimming without the use of unreliable high-voltage electrolytic bulk capacitors. Typical TRIAC dimmers were designed for incandescent lights that use an order of magnitude more power than LED lights of equivalent lumen output. The low current requirement of LED lights, especially when dimmed, can cause TRIACs to switch off unexpectedly or oscillate, creating an annoying flickering effect. Early-generation LED light...
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Power Integrations Launch New LED Lighting Ballast

Power Integrations has launched a new reference design for a 25-watt LED T8 tube ballast power supply. Notable for industry-leading efficiency of greater than 91%, the design (DER-287) also meets commercial requirements for power factor (PF greater than 0.9) and harmonic distortion (EN61000-3-2 Class C). DER-287 is a single-stage converter built around LNK409EG, a member of the LinkSwitch-PH family of LED driver ICs. Single-stage technology greatly increases product lifetime by eliminating the opto-isolators and large aluminum electrolytic input bulk capacit...
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Power Integrations Releases New LinkSwitch™-PH LED Driver IC

Power Integrations recently develops a new LinkSwitch™-PH LED Driver IC, DER-278. Power Integrations’ efficient, accurate, single-stage, primary-side-control technology, featured in LinkSwitch products, eliminates both the electrolytic capacitor and the also-unreliable optocoupler used in traditional isolated flyback designs. Designers using LinkSwitch-PH ICs for SSL products can expect the operational life of the driver to exceed the 35,000 hours required by the ENERGY STAR SLL (V1.1) specification.   Suitable for designs fro...
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Power Integrations Released Seven New LED Diver Ics

Power Integrations has added seven new members (LNK413-LNK419) to its popular LinkSwitch-PH family of LED driver ICs. The new devices can achieve up to 88% efficiency, feature a PWM-dimmable single-stage controller with both power factor correction and accurate constant current power conversion functionality. In addition, LinkSwitch-PH devices incorporate the PFC/CC controller, a 725 V MOSFET and MOSFET driver into a single package. The new ICs enable the ultimate in high reliability at low cost by eliminating up to 25 additional compone...
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Power Integrations Achieves 92%-Efficient Power Supply for LED Streetlights

Power Integrations, a manufacturer of high-voltage integrated circuits for energy-efficient power conversion, just released a new engineering report (DER-212) describing a 92%-efficient power supply for LED streetlight applications.
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New TARA2000-AUT-SAFE family includes unique interlock loop method for completely safeguarding ultra-fast detection of faults that can compromise eye safety Interlock method reduces bill of materials resulting in lower system cost 940nm emitte... READ MORE

40V-150V breakdown voltage lineup: ideal for motor drive and industrial power supplies ROHM has developed Nch MOSFETs (40V/60V/80V/100V/150V) RS6xxxxBx / RH6xxxxBx series, 13 part numbers, suitable for applications operating on 24V/36V/48V pow... READ MORE