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BQ24133充电异常

Other Parts Discussed in Thread: BQ24133

Dear TI:

当前我司使用的BQ24133进行充电,输入9V,输出电池满电电压8.4V,充电电流设置为2.5A,但是调试发现BATDRV电压输出异常,请帮忙回答如下疑问:

1、充电时,PMOS是否可以去掉?

2、BATDRV电压正常一般会在多少V?

3、接上适配器,不接电池,SW端输出8.4V电压,适配器输出为9V,正常应为多少?

4、Rsensor为0.01Ω,但是充电电流只有600MA左右,且SPR和SRN压差异常,为何?

还请尽快帮忙回复,非常感谢