Patent ID: 11967843
Assignee: SUZHOU XYSEMI ELECTRONIC TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. The battery protection circuit according to claim 3, wherein the drive control circuit comprises a first primary protection circuit, a first AND gate and a gate-substrate control circuit, wherein
the first primary protection circuit comprises a first input terminal, a second input terminal, a third input terminal, a first output terminal, a second output terminal and a third output terminal;
the gate-substrate control circuit comprises a first input terminal, a second input terminal, a third input terminal, a fourth input terminal, a fifth input terminal and an output terminal;
the first input terminal of the first primary protection circuit serves as the first input terminal of the drive control circuit, the second input terminal of the first primary protection circuit is connected to the first input terminal of the gate-substrate control circuit, the first input terminal of the gate-substrate control circuit serves as the third input terminal of the drive control circuit, the third input terminal of the first primary protection circuit is connected to the second input terminal of the gate-substrate control circuit, and the third input terminal of the first primary protection circuit serves as the fourth input terminal of the drive control circuit;
the first output terminal of the first primary protection circuit is connected to the third input terminal of the gate-substrate control circuit, and the second output terminal of the first primary protection circuit is connected to the fourth input terminal of the gate-substrate control circuit;
a first input terminal of the first AND gate serves as the second input terminal of the drive control circuit, a second input terminal of the first AND gate is connected to the third output terminal of the first primary protection circuit, and an output terminal of the first AND gate is connected to the fifth input terminal of the gate-substrate control circuit; and
the output terminal of the gate-substrate control circuit serves as the output terminal of the drive control circuit, and the substrate of the third transistor is connected to the gate-substrate control circuit.