Single-cell Li-Ion charger with USB input and 800 mA ceiling
The BQ24055DSSR is a Texas Instruments linear charger for single-cell Lithium Ion/Polymer packs, designed to draw power from a USB port or unregulated adapter up to 28 V. Charge current is constant and programmable, with a maximum of 800 mA. The 12-WSON (2x3) package with exposed pad suits space-constrained portable designs.
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Fault protection and temperature range
On-chip fault protection covers over-temperature, over-voltage, and short-circuit conditions. The junction temperature range spans 0°C to 125°C, covering commercial and some industrial ambient environments.