The ambient illumination is detected by the ambient illumination sensor UI202 conforming to the human eye spectral characteristic curve, and the illumination value is converted into a digital quantity by the internal A/D conversion of the single chip microcomputer, and the PWM

This paper introduces a flyback constant voltage, constant current 75W LED driver with single stage (single switch) PFC. Its circuit is shown in the figure. The AC input voltage range is 208~277V, and the output is 24V, 3.125A, which is used to drive 75W. LED array lights. TOP250YN is a TOPSwitch-G

Mr. Zheng Zhaoxiong, Senior Marketing Director of ON Semiconductor's Applications Division, believes that “Intelligent LED Lighting” integrating sensing and detection, intelligence, communication and control will increase significantly within one to five years. ON Sem

It is reported that the National Development and Reform Commission recently issued the "Circular on Relevant Matters Relating to Adjusting the On-grid Price of Power Generating Enterprises." The on-grid tariffs in Jiangsu, Zhejiang, Tianjin, and other provinces have all been lowe

Shanghai Spot Copper Price Chart September 12 Seat Tube BatterySeat Tube Battery,Inner Seat Tube Battery,Seat Battery Packs,Electric Bike Battery 24VChangxing Deli Technology Co., Ltd. ,

During the "12th Five-Year Plan" period, China's high-voltage switch industry should take the opportunity of building a strong smart grid and rely on UHV AC and DC power transmission projects to enhance its independent innovation capabilities, greatly increase the level of in

On September 21st, the home of high-end homeowner Suziya Lighting Co., Ltd. will officially start its business. This is the first time that a home of a comprehensive home store has entered the professional lighting industry. The industry believes that the current high-end lighting market i