Silicon controlled rectifier light modulation Bleeder circuit
A dimming control circuit and silicon dimming technology, applied in the field of LED dimming, can solve the problems of poor compatibility, poor dimming performance of thyristor, insufficient dimming depth, etc.
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[0024] Example: such as figure 1 As shown, a schematic diagram of a thyristor dimming Bleeder circuit 3 is composed of a rectifier circuit 1, a filter circuit 2, a Bleeder circuit 3, and a dimming control circuit 4. The dimming control circuit 4 consists of a driver U31 and a driver U31. It is composed of peripheral control circuit connected by pins. Driver U31 is MP4088LED driver. MP4088LED driver has fast startup speed, low delay, and power derating at high temperature makes the system flicker-free when the ambient temperature is high. The input terminal of the rectifier circuit 1 is electrically connected with the power supply, the output terminal of the rectifier circuit 1 is electrically connected with the input terminal of the recording and broadcasting circuit, the output terminal of the filter circuit 2 is electrically connected with the input terminal of the Bleeder circuit 3, and the output terminal of the Bleeder circuit 3 is electrically connected with The pin 5 of t...
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