BQ27427的VBAT接电池的PACK+,SRX脚接系统供电VSYS,但是SRX脚没有接充电器输出端,系统只要求BQ27427能检测电池电量,没有其他功能。这种电量监测的应用有没有问题
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BQ27427的VBAT接电池的PACK+,SRX脚接系统供电VSYS,但是SRX脚没有接充电器输出端,系统只要求BQ27427能检测电池电量,没有其他功能。这种电量监测的应用有没有问题
在一次放电测试中,发现剩余电量先下降,再上升的现象,可能会是什么原因?log如下:
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 78
xtb bq27xxx_battery_read_soc soc value 78
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 70
xtb bq27xxx_battery_read_soc soc value 70
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 70
xtb bq27xxx_battery_read_soc soc value 70
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 71
xtb bq27xxx_battery_read_soc soc value 71
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 72
xtb bq27xxx_battery_read_soc soc value 72
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 73
xtb bq27xxx_battery_read_soc soc value 73
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 74
xtb bq27xxx_battery_read_soc soc value 74
xtb bq27xxx_read 1 di->regs[reg_index] 1c
xtb bq27xxx_read 3 end ret read value 75
xtb bq27xxx_battery_read_soc soc value 75
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3949
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3949
xtb bq27xxx_read 1 di->regs[reg_index] 4
[14:45:30:590][I]{Initialize():55} Initialize(CameraServer)! Identity<0, -1>
binder: 1519:1651 transaction failed 29189/-22, size 36-8 line 3304
xtb bq27xxx_read 3 end ret read value 3924
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3924
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3910
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3878
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3866
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3849
xtb bq27xxx_read 1 di->regs[reg_index] 4
xtb bq27xxx_read 3 end ret read value 3842