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

Claim 1:
2. The battery protection circuit according to claim 1, wherein
the reverse connection protection circuit comprises a first transistor, a second transistor, a first comparator, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor, and wherein
a first pole of the first transistor is connected to a first terminal of the first resistor, the first pole of the first transistor serves as the first input terminal of the reverse connection protection circuit, and a second pole of the first transistor is connected to a first terminal of the second resistor;
a second terminal of the second resistor is connected to a first terminal of the third resistor, and the second terminal of the second resistor serves as the second input terminal of the reverse connection protection circuit;
a second terminal of the third resistor is connected to a first terminal of the fourth resistor;
a first pole of the second transistor is connected to a second terminal of the fourth resistor, a second pole of the second transistor is connected to the second pole of the cell, a gate of the second transistor is connected to a gate of the first transistor;
a first input terminal of the first comparator is connected to a second terminal of the first resistor, a second input terminal of the first comparator is connected to the first terminal of the fourth resistor, an output terminal of the first comparator is connected to the gate of the second transistor, and the output terminal of the first comparator serves as the output terminal of the reverse connection protection circuit; and
a first terminal of the fifth resistor is connected to the second terminal of the first resistor, and a second terminal of the fifth resistor serves as the third input terminal of the reverse connection protection circuit.