Patent ID: 11889863
Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC A  H | IPC A  H

Claim 11:
12. The electronic cigarette according to claim 11, wherein the charging circuit (300) further comprises a battery protection chip (U1), the battery protection chip (U1) comprises a third power receiving terminal (51), a ground terminal (52), a heat sink terminal (53), and a charging detection terminal (54);
the third power receiving terminal (51) of the battery protection chip (U1) is connected to the positive electrode of the rechargeable battery, the ground terminal (52) of the battery protection chip (U1) is connected to the negative electrode of the rechargeable battery, the heat sink terminal (53) of the battery protection chip (U1) is connected to the ground terminal (52) of the battery protection chip (U1), the charging detection terminal (54) of the battery protection chip (U1) is grounded.