Power-Path Li-Ion Charger Selection
Texas Instruments offers three families of linear power-path Li-ion battery chargers — bq2403x, bq24070/1, and bq24072-5, which perform the same basic function of powering the system while independently charging a single Li-ion/polymer cell. The two power-path technologies that are implemented are dynamic power management (DPM) and dynamic power-path management (DPPM). DPM is an input-current-based control and DPPM is an output-voltage-based control. Feature differences are examined so that users can select the most applicable integrated circuit for their design.
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