The LP3946 is a stand-alone single cell Li-Ion charger with an integrated pass transistor and current sense resistor. In addition to its charging function, it can be used in low dropout (LDO) mode.

Few components in portable system design have as pervasive an impact on the user’s experience with the product as the power source and the system used to charge it. The length of time the battery ...

Specifics of the charging and discharging steps of a cell charger/discharger. How to achieve regulation via feedback. A look at the 4-wire connection to the cell. Charging and discharging are the most ...