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BQ25723: Battery charge controller selection

Part Number: BQ25723
Other Parts Discussed in Thread: BQ25756E, , BQ25730, BQ25731, BQ25713B, BQ25703A, BQ25713, BQ25172

Tool/software:

Hello,

I'm looking for a battery charge controller for NiMh batteries (2 or 3 cells), charging from a standard USB port (5V 900mA), and powering an IoT system either with a 4V (or 5V) voltage or directly the battery voltage.

One constraint is the sustainability of the component, a 10-year lifetime is expected.

I'm a bit lost in all references, and I don't see differences between :
- BQ25756E
- BQ25723
- BQ25730
- BQ25731
- BQ25713B
- BQ25703A
- BQ25713

Do you have any additional information or advice for the reference selection?

Kind regards

Charles DANGLARD