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Battery charger and DC/DC converter - which one?

Other Parts Discussed in Thread: TPS61221, BQ24400, BQ2002, TPS62200, BQ2000, BQ25010


I'm developing a portable product which needs 3.3V and less than 100mA, powered from two NiMH batteries. It will be charged from USB. Today, I'm using TPS61221 to boost the power from the batteries to 3.3V (and that DC/DC converter is great!), but I'm charging with a simple analogic circuit. I would like to know if there are a good device which implements in a single device the charging circuit and the DC/DC converter for the circuit.

Thank you in advance for any hint

Best regards