BQ24040DSQR TI Battery Chargers

The BQ24040 is a highly integrated linear charger IC designed for single-cell Li-Ion and Li-Polymer batteries. It operates from a 3.5V to 28V input supply and provides a fixed 4.2V charge voltage with up to 1A programmable charge current. The device features dynamic power path management (DPPM) that powers the system while charging the battery, plus thermal regulation to maximize charge rate without overheating. Selection is optimal for space-constrained portable applications. Common applications include smartphones, Bluetooth headsets, portable media players, and low-power medical devices requiring safe and efficient single-cell battery charging with input over-voltage protection up to 30V . In stock at HL Electronics – request a quote for fast delivery.