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bq24075 not charging, new user

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Hello,

im new to bq24075 and just assembled the first prototype and the charger is not charging, so i assume i interpreted the data sheet wrong. 

i have attached my schematic. the interesting thing is that both CHG and PGOOD do in fact go low when i connect the USB power, and go back up high when i disconnect, however, when they are low, one would assume the charger is charging but it's actually not (considering the input current is near zero). im using BQ24075RGTT btw.

also, fi the battery is full, one would expect CHG to ho high again, at some point, which it is not, ever.

i must have made some basic mistake in designing my circuit and i kindly ask someone familiar with the device to take a look.

thank you very much.


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