Multi-gear dimmable lighting circuit, PCB and lighting device

• Main Authors: DENG YUMAO, XIANG HUAPING, DONG XIANGJIAN, SHI JIANBO, FANG CHAO
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2024
• Subjects: ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY

The invention relates to the technical field of lighting circuits, and discloses a multi-gear dimmable lighting circuit, a PCB and a lighting device.The lighting circuit comprises an input control unit, an output unit, a lighting unit and a dimming unit, the input control unit comprises a control part, and the dimming unit comprises a first dial part and a first processing part; the output end of the input control unit is connected with the input end of the output unit, and the output end of the output unit is connected with the input end of the lighting unit; the input end of the first dial part is used for receiving dial dimming signals, the output end of the first dial part is connected with the input end of the first processing part, and the output end of the first processing part is connected with the input end of the control part; the lighting circuit disclosed by the invention comprises the first processing part, the first processing part is used for processing the dial dimming signal acquired by the f