Texas Instruments BQ24091 1A, Single-Input, Single-Cell Li-Ion Battery Charger with 100k? NTC BQ24091DGQT

The BQ24091DGQT is a 1A, single-input, single-cell Li-Ion and Li-Pol battery charger designed for portable applications. It features a compact 10-pin MSOP package and operates from either a USB port or an AC adapter. The device supports a wide input voltage range and includes overvoltage protection up to 6.6V, ensuring safe operation with low-cost unregulated adapters. This charger provides precise charge voltage and current accuracy, with programmable termination and precharge thresholds. It incorporates thermal regulation and shutdown protection at 150¬8C, along with short-circuit protection for the output and ISET pins. The BQ24091 also features automatic termination and a timer disable mode for scenarios where the battery pack is absent, enhancing its versatility in various applications. Engineered for low-power handheld devices, the BQ24091 is suitable for use in smartphones, PDAs, and MP3 players, making it a reliable choice for engineers looking to integrate efficient battery charging solutions into their designs.