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BQ40Z50-R1: 可以放电但无法充电

Part Number: BQ40Z50-R1
Other Parts Discussed in Thread: BQSTUDIO, GPCCHEM,

使用EBC-A10H电池测试系统给4串的2600mah锂电池放电正常但充电异常,充电电流为1.3A,恒压电压为17.8V,终止电流为0.05A,开始后电压向上跳变,随后就停止了充电,检测不到电流,不经过电池管理芯片直接给电池充电是可以充进去的,电流为1.3A。请问我配置的哪里有问题导致的充不进去电。