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关于BQ34110 CEDV 七个参数如何获取?

Hi Ti,

我现有一个4S1P 12V/5Ah 的LiFePo4电池,用到BQ34110来电量监测,目前在TI的bqSudio上位机进行寄存器配置,

其中有七个参数::EMF,C0,C1,R0,R1,T0,TC,但是目前没有这个测试环境来充放电获取这6组log数据上传到gpc工具。

我想问下TI,有没有类似这种铁锂电池,提供这七个数据以供参考。

目前遇到的问题是电池放电过程中,电量监测跳变太快。电池是充满电状态,一放电,电量从100%掉到30%不等,一会儿就到0% ,想知道是不是因为这个七个数据不对造成的误差这么大。

Gas Gauging CEDV Profile Design Capacity mAh 5000 mAh
Gas Gauging CEDV Profile EMF 3743
Gas Gauging CEDV Profile C0 149
Gas Gauging CEDV Profile R0 867
Gas Gauging CEDV Profile T0 4030
Gas Gauging CEDV Profile R1 316
Gas Gauging CEDV Profile TC 9
Gas Gauging CEDV Profile C1 0
Gas Gauging CEDV Profile Age Factor 0
Gas Gauging CEDV Profile Fixed EDV 0 3000
Gas Gauging CEDV Profile EDV 0 Hold Time 1 s
Gas Gauging CEDV Profile Fixed EDV 1 3050
Gas Gauging CEDV Profile EDV 1 Hold Time 1 s
Gas Gauging CEDV Profile Fixed EDV 2 3150
Gas Gauging CEDV Profile EDV 2 Hold Time 1 s
Gas Gauging CEDV Profile Voltage 0% DOD 3600 mV
Gas Gauging CEDV Profile Voltage 10% DOD 3500 mV
Gas Gauging CEDV Profile Voltage 20% DOD 3450 mV
Gas Gauging CEDV Profile Voltage 30% DOD 3400 mV
Gas Gauging CEDV Profile Voltage 40% DOD 3380 mV
Gas Gauging CEDV Profile Voltage 50% DOD 3350 mV
Gas Gauging CEDV Profile Voltage 60% DOD 3310 mV
Gas Gauging CEDV Profile Voltage 70% DOD 3270 mV
Gas Gauging CEDV Profile Voltage 80% DOD 3200 mV
Gas Gauging CEDV Profile Voltage 90% DOD 3100 mV
Gas Gauging CEDV Profile Voltage 100% DOD 3000 mV
Gas Gauging Design Design Voltage 3650 mV
Gas Gauging Cycle Cycle Count Percentage 90 %
Gas Gauging FD Set Voltage Threshold 2900 mV
Gas Gauging FD Clear Voltage Threshold 3000 mV
Gas Gauging FD Set % RSOC Threshold 0 %
Gas Gauging FD Clear % RSOC Threshold 5 %
Gas Gauging FC Set Voltage Threshold 3600 mV
Gas Gauging FC Clear Voltage Threshold 3500 mV
Gas Gauging FC Set % RSOC Threshold 100 %
Gas Gauging FC Clear % RSOC Threshold 95 %
Gas Gauging TD Set Voltage Threshold 3000 mV
Gas Gauging TD Clear Voltage Threshold 3100 mV
Gas Gauging TD Set % RSOC Threshold 6 %
Gas Gauging TD Clear % RSOC Threshold 8 %
Gas Gauging TC Set Voltage Threshold 3600 mV
Gas Gauging TC Clear Voltage Threshold 3500 mV
Gas Gauging TC Set % RSOC Threshold 100 %
Gas Gauging TC Clear % RSOC Threshold 95 %
Gas Gauging State Profile Cycle Count 0
Gas Gauging State Profile Learned Full Charge Capacity 5000 mAh
Gas Gauging State Profile Stored Remaining Capacity 0 mAh
Gas Gauging CEDV Cfg Battery Low % 7 %
Gas Gauging CEDV Cfg Learning Low Temp 119 0.1°C
Gas Gauging CEDV Cfg OverLoad Current 10000 mA
Gas Gauging CEDV Cfg Self Discharge Rate 20 0.01%/day
Gas Gauging CEDV Cfg Electronics Load 0 3uA
Gas Gauging CEDV Cfg Near Full 200 mAh
Gas Gauging CEDV Cfg Reserve Capacity 0 mAh
Gas Gauging CEDV Cfg Chg Eff 100 %
Gas Gauging CEDV Cfg Dsg Eff 100 %
Gas Gauging CEDV Cfg RemCap Init Percent 100 %
Gas Gauging CEDV Smoothing Config Smoothing Config 8 hex
Gas Gauging CEDV Smoothing Config Smoothing Start Voltage 3300 mV
Gas Gauging CEDV Smoothing Config Smoothing Delta Voltage 100 mV
Gas Gauging CEDV Smoothing Config Max Smoothing Current 10000 mA
Gas Gauging CEDV Smoothing Config EOC Smooth Current 0.2 %
Gas Gauging CEDV Smoothing Config EOC Smooth Current Time

Star Xu:

出现电量跳变是因为CEDV的参数没有配置

关于CEDV的参数需要您上传log数据到GPCCEDV帮您计算。

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