Patent ID: 11895751
Assignee: JOULWATT TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A dimming drive circuit configured for driving a lighting load, wherein the dimming drive circuit comprises a phase-cutting dimmer, a rectifier circuit, the leakage protection circuit according to claim 1, and a drive circuit;
an external alternating current (AC) input signal is processed by the phase-cutting dimmer and transmitted to the rectifier circuit, and the rectifier circuit outputs a rectified signal;
the two input terminals of the leakage protection circuit receive an output signal of the phase-cutting dimmer or the rectified signal; and
the drive circuit drives the lighting load according to the rectified signal and a detection result of the leakage protection circuit.