Single-cell Li-Ion charger with integrated protection
The Texas Instruments BQ24210DQCR is a single-cell Lithium Ion battery charger IC in a 10-WSON package. It delivers a programmable constant charge current up to 800mA, with an 18V maximum input supply — suitable for USB or wall-adapter powered portable devices. On-chip fault protection covers over-temperature, over-voltage, and short-circuit conditions, reducing external component count in tight board layouts.
800mA charge current — sizing the thermal budget
At 800mA max charge current, the BQ24210DQCR charges a single-cell Li-Ion pack. The exposed pad (10-WSON 3x2mm) must be soldered to a sufficient copper plane to keep junction temperature within limits during full-rate charging.