BQ24157A Charging IC

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The BQ24157A is a Texas Instruments single-cell Li-Ion/Li-Polymer switch-mode charging IC built for smartphone charging circuits. It handles input current sensing, charge voltage r egulation, and charge termination through an I2C interface, supporting charge currents up to 1.55A. Technicians use this IC to fix dead phone and charging issue faults where the board shows no charging, battery not detected, or random shutdown after a charging attempt. It comes in a compact 20-pin WCSP package, making it a direct-fit replacement part for board-level charging IC repair work on your repair bench. Show more