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STMicroelectronics’ STNRG012 is a highly integrated and space-saving digital power controller with advanced distortion mitigation that delivers an ideal solution for LED-lighting applications. The device contains a multimode power-factor correction (PFC) controller, resonant half-bridge controller, and 800V startup circuit, managed by a...
This circuit produces a rotating-wheel like LED lights pattern, which can be used to decorate public halls during parties, festivals, and marriage functions. The concept is based on the persistence of vision. Circuit and working The author’s prototype is shown in...
Enables flexibility in lighting applications and improves overall efficiency Includes a smart over-temperature controlling circuit for keeping the current constant at rising temperature Infineon Technologies has released a constant current linear LED IC, the BCR431U. It provides low-voltage...

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