这个电池管理芯片不知道怎么回事充不进去电,电路原理图如下,电池是两节串联的:
寄存器的配置也按Datasheet的要求配置了:
0x12H 0xE108
0x14H 0x0400
0x15H 0x20D0
0x39H 0x1800
0x3FH 0x1000
按照Datasheet的充电条件检查,各项条件都是满足的,电池电压降到了7V左右,但就是不充电,请帮忙分析一下原因,谢谢!
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您的适配器电压(VINC在您的示意图中)是多少?
VINC 电压11.65v
适配器电压是否显示在VSYS上(在您的示意图中是VBATO)?
VBATO的电压和VINC 电压一样11.65v