STNS01 CHR pin keep toggling(fault condition)

[SLee.43]

I've tried 3 circuits for testing, with various 1 cell LiPo batteries(300mA~ 500mA)

STNS01 CHR pin keep toggling 1Hz when VBUS connected in.

(with or without battery)

And it is not charging batt. at all.

VBUS 4.92V, Batt 3.8V