LED electric car lamp motorcycle lamp buck constant current IC H7230 intelligent over temperature protection ESOP-8 DC12V-100V

Principle of high and low beam switching of lamps: the switching principle of high and low beam lamps should first be divided into the types of high and low beam lamps. There are two situations: first, the high and low beam lamps are integrated (that is, the high and low beam lamps are integrated in a module), and its high and low beam switching is divided into two types. 1 is to control the number of light sources, 2 is to control the shading plate (if it covers part of the high beam, it becomes the low beam); Second, the high beam and low beam are separated. When the high beam is on, the general high beam and low beam will be on (some only light the high beam, but the low beam is not on, but this situation is relatively rare, because of the general design idea

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