STAT1 and STAT2 are open-drain outputs, so they can be pulled up to a 3.3V logic level with a pull-up resistor.
You might take a look at the bq2403x family--bqTINY-III. It is a newer version of the bq2402x.
Other Parts Discussed in Thread: CC2531 , BQ24026
dear TI,
we at sumona consulting are developing a zig bee based USB dongle with battery backup.the battery charger ic selected is bq24026 .the interface controller is cc2531zig bee SOC with 3.3V…