Blue-LED lamp nonlinear drain electrode drive system based on logic protection amplifying circuit

Abstract

The invention discloses a Blue-LED lamp nonlinear drain electrode drive system based on a logic protection amplifying circuit. The blue-LED lamp nonlinear drain electrode drive system is mainly composed of a voltage-distributing switching circuit, a control switching circuit, a nonlinear triggering circuit and a power amplifying circuit, wherein the control switching circuit is connected with the output end of the voltage-distributing switching circuit, the nonlinear triggering circuit is arranged at the output end of the control switching circuit, and the power amplifying circuit is arranged at the output end of the nonlinear triggering circuit. The blue-LED lamp nonlinear drain electrode drive system based on the logic protection amplifying circuit is characterized in that the logic protection amplifying circuit is further connected between the nonlinear triggering circuit and the power amplifying circuit in series. According to the Blue-LED lamp nonlinear drain electrode drive system based on the logic protection amplifying circuit, the nonlinear triggering circuit and the power amplifying circuit are creatively used together, the nonlinearity of the nonlinear triggering circuit can be guaranteed, a safe and reliable triggering voltage can be also provided for the power amplifying circuit, the interference of electromagnetic pulse can be remarkably reduced, and the stable performance of the power amplifying circuit can be guaranteed.

Description

technical field [0001] The invention relates to an LED drive circuit, in particular to a non-linear drain drive system for a blue LED lamp based on a logic protection amplifier circuit. Background technique [0002] At present, due to the characteristics of low energy consumption, long service life, safety and environmental protection, LED lamps have become one of the mainstream products for people's living lighting. Since the LED lamp is different from the traditional incandescent lamp, it needs to be driven by a dedicated driving circuit. However, due to the unreasonable design structure of the drain driving circuit widely used by people at present, the current drain driving circuit has defects such as high energy consumption, large current noise, and long start-up time. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of high energy consumption, large current noise and long start-up time in the current drain drive circu...

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of high energy consumption, large current noise and long start-up time in the current drain drive circuit, and provide a reasonable structural design, which can effectively reduce power consumption and current noise, and significantly shorten the start-up time A non-linear drain drive system for blue LED lamps based on logic protection amplifier circuit

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