Something Makes LED Sports Light Much Better

Time:2014/8/29  keywords:LED Sports Light


      LED Lighting in the near future to develop leap,  LED Sports Light   as a clean green light has been widely recognized. LED light source long life, energy saving, easy application, green, and thus in home lighting will be widely used.   High-power LED is used for household lighting, floodlights, LED Sports Light, tunnel lights, car lights and other work. LED light source is a low voltage, high current drive of the device, its luminous intensity LED's current size is determined by the flow. Current LED light attenuation caused over the General Assembly, the current is too small to affect the LED luminous intensity. Therefore, LED driver needs to provide constant power to ensure the safety of the use of high-power LED, but to achieve the desired luminous intensity. In the field of LED lighting, LED Lights to reflect the characteristics of energy saving and long life, the right choice for LED driver IC is essential. Without a good driver IC match, the advantages of LED lighting can not be reflected. So how to choose drive it?

   1, the drive nominal DC input voltage range should meet 8 ~ 40V, to cover a wider application needs. Voltage capability preferably greater than 45V. When the input is AC 12V or 24V, the simple bridge rectifier output voltage with the grid voltage fluctuations, especially when the high voltage, the output voltage will be high. If there is no driver IC wide input voltage range, the breakdown tends to be increased when the grid voltage, in order to burn the LED light source.

   2, driving the nominal output current is greater than 1.2 ~ 1.5A. As the lighting of the LED light source, 1W power LED light source nominal operating current of 350mA, the nominal operating current 3W power LED light source is 700mA. The power LED lighting requires more current, the LED lighting driver IC selected must have enough current output must be designed to work the drive IC 70 to the product in the best working area of 90% full-load output. Use full load output current driver IC in a small space heat, poor lighting, lamps easily lead to fatigue and early failure.

   3, the drive output current must be kept constant, so to stabilize the LED light, not blinking. The same number of driver chips under the same conditions, the output current size to be as consistent as possible, which is the discrete nature to be small, in order to ensure an effective and orderly when such a large volume automated production line. LED Sports Light lamps constant current driver board for a certain discrete output current drive chip, mandatory pre-production line at the factory or sub-file selection, adjust the PCB current setting resistor size, so that the production of LED light emission luminance of similar consistency, in order to maintain the consistency of the final product.



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