Patent ID: 11923717
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The charging circuit according to claim 1, wherein the control circuit comprises a third energy storage circuit, a unidirectional conduction sub-circuit, a third switch sub-circuit, a feedback detection resistor, a load modulation feedback terminal, a power input terminal, and a third signal input terminal;
a first terminal of the third energy storage circuit is coupled to the power input terminal, and a second terminal of the third energy storage circuit is coupled to a first terminal of the second energy storage circuit;
a first terminal of the unidirectional conduction sub-circuit is coupled to a second terminal of the second energy storage circuit, and a second terminal of the unidirectional conduction sub-circuit is coupled to the first terminal of the third energy storage circuit;
a first terminal of the third switch sub-circuit is coupled to the second terminal of the second energy storage circuit, a second terminal of the third switch sub-circuit is coupled to a first terminal of the feedback detection resistor and the load modulation feedback terminal, a third terminal of the third switch sub-circuit is coupled to the third signal input terminal, and the third switch sub-circuit is configured to be turned on or turned off according to a charging control signal input by the third signal input terminal; and
a second terminal of the feedback detection resistor is coupled to a first voltage terminal.