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LED-lighting control chip maximizes energy efficiency at all dimming levels

LED-lighting control chip maximizes energy efficiency at all dimming levels

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By eeNews Europe



The HVLED001B controller simplifies designing LED-lighting modules, maximizes energy efficiency at all dimming levels, and ensures smoother brightness control, claims the manufacturer. The HVLED001B is the second generation of ST’s LED driver family containing high-voltage startup and sensing circuitry that simplifies connection to the AC line. Its advanced features support multi-platform reuse and compliance with the latest lighting regulations, and include very accurate line and load regulation over wide range to ensure constant output voltage or output current, constant output voltage regulation, with no need of an optocoupler, to ensure voltage remains below recognized 60V safe limit. Power-conversion efficiency is greater than 90% and no-load power consumption is less than 100mW. The chip comes with built-in over-current, input over-voltage, brownout, and optocoupler failure protection. ST’s smart Auto-Reload Timer ensures latch-free protection for enhanced safety.

STMicroelectronics – www.st.com

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