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TI BQ24072模块 怎么回事?



先板子连接状态为:  IN  和GND 分别由USB供电(5V),!EN1=1  !EN2=0 ,!CE=0,TD=0, TMR=RES,  电池直接接到了BAT+和VSS上,OUT端没有接。  TS端也没有接。三个可调电阻是出厂时的默认状态。
上电后,D2亮,D1没有亮,BAT+端没有电流出现。
想问下,这是怎么回事?