On June 7, Power Integrations announced the introduction of a 150W, 48V power supply reference design for LED street lights and other industrial/infrastructure lighting systems.
The driver circuit described in RDR-292 can exceed 93% and 91% efficiency at 230 VAC and 110 VAC input, respectively. This design provides a system power factor (PF) of over 0.97 and a THD of less than 10% for easy compliance with EN61000-3-2 C. Under the same design platform, you can design a different converter IC and the corresponding power device from the HiperPFSTM (PFC) and HiperLCSTM (LLC) family members to design from 75 W to 400 W. Make adjustments between.
The RDK-292 requires less than 125 components to implement PFC, LLC, and standby power supply circuits for the drive, reducing BOM cost and providing superior reliability. This design uses Power Integrations' highly integrated HiperPFS power factor correction IC in combination with the HiperLCS resonant converter IC, which eliminates up to 35 components in comparison to traditional LLC solutions. HiperLCS also allows the use of smaller core and output filter capacitors than typical LLC designs. The design also incorporates the QspeedTM Hybrid PIN Schottky diode, which improves CCM PFC efficiency by significantly reducing diode recovery losses compared to conventional ultra-fast tantalum PFC diodes.
To be installed in a remote lighting control system, this design uses a high-efficiency standby power supply function based on Power Integrations' LinkSwitchTM-TN IC. The new CAPZeroTMX Capacitor Discharge IC provides further power savings and reduces no-load power consumption by approximately 800 mW at 264 VAC input.
Power Integrations believes that LED lighting can save a lot of money for many regions and businesses, but without the efficient and stable low-cost driver circuit, this energy-saving goal cannot be fully realized.
The driver circuit described in RDR-292 can exceed 93% and 91% efficiency at 230 VAC and 110 VAC input, respectively. This design provides a system power factor (PF) of over 0.97 and a THD of less than 10% for easy compliance with EN61000-3-2 C. Under the same design platform, you can design a different converter IC and the corresponding power device from the HiperPFSTM (PFC) and HiperLCSTM (LLC) family members to design from 75 W to 400 W. Make adjustments between.
The RDK-292 requires less than 125 components to implement PFC, LLC, and standby power supply circuits for the drive, reducing BOM cost and providing superior reliability. This design uses Power Integrations' highly integrated HiperPFS power factor correction IC in combination with the HiperLCS resonant converter IC, which eliminates up to 35 components in comparison to traditional LLC solutions. HiperLCS also allows the use of smaller core and output filter capacitors than typical LLC designs. The design also incorporates the QspeedTM Hybrid PIN Schottky diode, which improves CCM PFC efficiency by significantly reducing diode recovery losses compared to conventional ultra-fast tantalum PFC diodes.
To be installed in a remote lighting control system, this design uses a high-efficiency standby power supply function based on Power Integrations' LinkSwitchTM-TN IC. The new CAPZeroTMX Capacitor Discharge IC provides further power savings and reduces no-load power consumption by approximately 800 mW at 264 VAC input.
Power Integrations believes that LED lighting can save a lot of money for many regions and businesses, but without the efficient and stable low-cost driver circuit, this energy-saving goal cannot be fully realized.
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