SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs ( BqSWITCHER ™ )

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 V supply is removed. By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ24105RHLRG4 Texas Instruments Standalone synchronous switch-mode Li-Ion charger w/2A FET in QFN-20, 1 to 3 cells 20-VQFN -40 to 85
BQ24105IRHLRQ1 Texas Instruments Automotive 4.35V to 16V, 2A, 1 to 3 cell synchronous Li-Ion and Li-Pol charger with integrated FETs 20-VQFN -40 to 85
BQ24105RHLR Texas Instruments Standalone synchronous switch-mode Li-Ion charger w/2A FET in QFN-20, 1 to 3 cells 20-VQFN -40 to 85
BQ24105RHLT Texas Instruments 4.5A BATTERY CHARGE CONTROLLER, 1100kHz SWITCHING FREQ-MAX, PQCC20, 3.50 X 4.50 MM, ROHS COMPLIANT, PLASTIC, QFN-20
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BQ24105-Q1 Pinout, Pinouts
BQ24105-Q1 pinout,Pin out
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BQ24105-Q1 Application circuits
BQ24105-Q1 circuits
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