Single-cell Li-Ion charger with I²C control
The Texas Instruments BQ24155RGYT is a single-cell Li-Ion/Polymer battery charger that uses an I²C interface to set charge current, termination voltage, and safety timer. It delivers up to 1.25 A of programmable charge current from a supply up to 6 V.
14-VQFN package — orientation and handling
It comes in a 14-VFQFN Exposed Pad package (3.5×3.5 mm body).
Active production, no replacement on record
No official replacement or second-source equivalent is listed — this is the current-generation part for single-cell Li-Ion charging with I²C programmability.