Patent ID: 11962176
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 2:
3. The device according to claim 2, wherein:
the control switch comprises a first metal-oxide semiconductor field-effect transistor (MOS transistor) and a second MOS transistor; and
the protection integrated circuit comprises a charging control terminal and a discharging control terminal, wherein:
a first end of the first MOS transistor is connected to the negative electrode of the electrochemical cell, wherein a second end of the first MOS transistor is connected to a first end of the second MOS transistor, and wherein a third end of the first MOS transistor is connected to the charging control terminal; and
a second end of the second MOS transistor is connected to the battery negative port, wherein a third end of the second MOS transistor is connected to the discharging control terminal.