See datasheet for actual packaging/pinout drawings


Package | PIN:

RHL | 20


I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)


Automotive 4.35V to 16V, 2A, 1 to 3 Cell Synchronous Li-Ion and Li-Pol Charger with Integrated FETs

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Texas Instruments BQ24105IRHLRQ1

The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced QFN package.

The bqSWITCHER charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on user-selectable minimum current level. A programmable charge timer provides a safety backup for charge termination. The bqSWITCHER automatically restarts the charge cycle if the battery voltage falls below an internal threshold. The bqSWITCHER automatically enters sleep mode when VCC supply is removed.

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