CHARGING CIRCUIT AND CHARGING METHOD THEREOF
FIG2 is a schematic layout diagram of a charging chip according to an embodiment of the disclosure
As shown in FIG2, the second end of the first charging line 104 is connected to the battery 103 via a first charging chip 1021 on the main board 102, and the second end of the second charging line 105 is connected to the battery 103 via a second charging chip 1022 on the main board 102.
schematic diagram
103
battery
1022
charging chips charging chip
104
first charging line
105
second charging line
102
main board
101
USB interface
1021
charging chips charging chip
106
signal line
107
sub-board
['1. A charging circuit, comprising a universal serial bus USB interface, a main board and a battery, wherein the charging circuit further includes a first charging line configured to transmit a current, a second charging line configured to transmit a current, and a signal line configured to transmit a data signal, and wherein the USB interface is connected to a first end of the first charging line, a first end of the second charging line and a first end of the signal line, respectively; a second end of the first charging line and a second end of the second charging line are connected to the battery through the main board; and a second end of the signal line is connected to the main board.', '2. The charging circuit according to claim 1, wherein the second end of the first charging line is connected to the battery through a first charging chip on the main board, and the second end of the second charging line is connected to the battery through a second charging chip on the main board.']