US 12,009,680 B2
Charging circuit, charging method, and terminal
Chunying Qu, Guangdong (CN); and Shiming Wan, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Aug. 9, 2021, as Appl. No. 17/397,489.
Application 17/397,489 is a continuation of application No. PCT/CN2019/080889, filed on Apr. 1, 2019.
Prior Publication US 2021/0367436 A1, Nov. 25, 2021
Int. Cl. H02J 7/00 (2006.01)
CPC H02J 7/0042 (2013.01) [H02J 7/0013 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A charging circuit applied in a terminal, comprising:
a charging interface, a control circuit, a connector, and a battery electrically connected in sequence;
wherein, the battery is configured to be connected with a motherboard of the terminal to supply electric power to the terminal;
the charging interface is configured to receive a charging current and a charging voltage;
the control circuit is configured to control a pathway between the charging interface and the connector, so as to transfer the charging current and the charging voltage to the battery via the connector, and thereby charge the battery;
wherein the battery is a serial dual battery, the serial dual battery is integrated in a battery protection plate, and the connector comprises a charging connector and a discharging connector;
the charging interface is electrically connected with the charging connector via the control circuit; the charging connector is connected with the battery protection plate; the battery protection plate is electrically connected with the motherboard of the terminal via the discharging connector.