我们使用 BQ25713B 为电池充电(),原理图。12V/3A 充电源,使用两节电池串联设置1.5A,充电电流(电源充电源 ),AC_STAT:1),显示进入快速充电模式(IN_FCHRG 但实际上电池未充电但已放电。 同时 VSYS 上的电压低于 VBATT 上的电压。
我想?找出导致这种情况的原因如何检查我的设置是否正确?
下面 提供了 BQ25713B 充电源之后的日志、请检查是否有问题。 谢谢!
[529.044729] REG0x0 : 0x70e
[529.048716] REG0x2 : 0x5c0
[529.052186] REG0x4 : 0x20d0
[529.058994] REG0x6 : 0x3e8.
[529.062538] REG0x8 : 0xa00
[529.066041] REG0xa : 0x1340
[529.070036] REG0xc : 0x1600
[529.073626] REG0xe : 0x2800
[529.077233] REG0x20 : 0x8400
[529.080907] REG0x22 : 0xa880
[529.084551] REG0x24 : 0x2800
[529.088265] REG0x26 : 0x6200
[529.091948] REG0x28 : 0x1
[529.095374] REG0x2a : 0x2
[529.099010] REG0x2c : 0x4c4d
[529.102870] REG0x2e : 0x8a40
[529.106575] REG0x30 : 0x210
[529.110165] REG0x32 : 0x2b7
[529.117261] REG0x34 : 0x30
[529.120747] REG0x36 : 0x4a65
[529.124417] REG0x38 : 0x81a0
[529.128130] REG0x3a : 0xA0ff
[529.131851] 电池 充电 电流: 0mA
[529.136509] 电池 放电 电流: 256mA
[529.141588] VSYS 电压: 7744mV
[529.145610] BAT 电压: 7808mV
[529.149538] 将 CHARGE_CURRENT 设置为 1472mA
[529.154505] MAX_CHARGE_VOLTAGE: 8400mV
[529.159084] INPU_VOLTAGE: 8128mV
[529.163879] INPUT_CURRENT: 2000mA
[529.16855] MIN_SYS_Votage: 6656mV
[529.190512] 状态:
[529.192713] AC_STAT: 1.
[529.195167] ICO_DONE: 0
[529.198195] IN_VINDPM: 0
[529.200811] IN_IINDPM: 0
[529.203352] IN_FCHRG: 1.
[529.206346] IN_PCHRG: 0
[529.208830] IN_OTG: 0
[529.211110] F_acov: 0
[529.213426] F_BATOC: 0
[529.215791] F_ACOC: 0
[529.218682] SYSOVP_STAT: 0
[529.221435] F_LATCHOFF: 0
[529.224060] F_OTGOVP: 0
[529.22727275] F_OTGOCP: 0e2e.ti.com/.../BQ25713B_9F530674FE56_.pdf