Found on page 126 of bq25792 datasheet what I think is a typo. If no battery is connected, I think CE_n should be pulled high rather than pulled low like it states in the 2nd paragraph.
https://www.ti.com/lit/ds/symlink/bq25792.pdf?ts=1617638105322
original text:
"When the BAT pin is floating, please disable charge by setting EN_CHG to 0 or pulling low the CE pin."
