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

Claim 1:
2. The device according to claim 1, wherein a filter circuit is further connected between the protection integrated circuit and the electrochemical cell;
wherein the protection integrated circuit comprises a positive power source input terminal and a negative power source input terminal; and
wherein the filter circuit comprises a first resistor and a capacitor, and wherein:
a first end of the first resistor is connected to a positive electrode of the electrochemical cell, wherein a second end of the first resistor is connected to a first end of the capacitor, and wherein a second end of the capacitor is connected to a negative electrode of the electrochemical cell; and
the positive power source input terminal is connected to the first end of the capacitor, wherein the negative power source input terminal is connected to the second end of the capacitor.