Datasheet Texas Instruments BQ24105

ManufacturerTexas Instruments
SeriesBQ24105
Datasheet Texas Instruments BQ24105

Standalone Synchronous Switch-Mode Li-Ion Charger w/2A FET in QFN-20, 1 to 3 Cells

Datasheets

bq241xx Synchronous Switched-Mode, Li-Ion and Li-Polymer Charge-Management IC With Integrated Power FETs (bqSWITCHERв„ў) datasheet
PDF, 1.5 Mb, Revision: P, File published: Nov 30, 2015
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Prices

Status

BQ24105RHLRBQ24105RHLRG4
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesYes

Packaging

BQ24105RHLRBQ24105RHLRG4
N12
Pin2020
Package TypeRHLRHL
Industry STD TermVQFNVQFN
JEDEC CodeR-PQFP-NR-PQFP-N
Package QTY30003000
CarrierLARGE T&RLARGE T&R
Device MarkingCIFCIF
Width (mm)3.53.5
Length (mm)4.54.5
Thickness (mm).9.9
Pitch (mm).5.5
Max Height (mm)11
Mechanical DataDownloadDownload

Parametrics

Parameters / ModelsBQ24105RHLR
BQ24105RHLR
BQ24105RHLRG4
BQ24105RHLRG4
Absolute Vin (safety rating)(Max)(, V2020
Battery Charge Voltage(Max), V15.515.5
Battery Charge Voltage(Min), V2.12.1
Cell ChemistryLi-Ion/Li-PolymerLi-Ion/Li-Polymer
Charge Current(Max), A22
Control InterfaceStandalone (RC-Settable)Standalone (RC-Settable)
Control TopologySwitch-Mode BuckSwitch-Mode Buck
Number of Series Cells1,2,31,2,3
Operating Vin(Max), V1616
Operating Vin(Min), V4.354.35
Package GroupVQFNVQFN
Package Size: mm2:W x L, PKG20VQFN: 16 mm2: 3.5 x 4.5(VQFN)20VQFN: 16 mm2: 3.5 x 4.5(VQFN)
Special FeaturesIntegrated FET,Temp Monitoring (Thermistor Pin)Integrated FET,Temp Monitoring (Thermistor Pin)
USB FeatureN/AN/A

Eco Plan

BQ24105RHLRBQ24105RHLRG4
RoHSCompliantCompliant

Application Notes

  • Using bq24105 as Lead-Acid Charger
    PDF, 151 Kb, File published: Jun 8, 2007
    This application report gives an example of using the bq24105 charge integrated circuit to provide a high-efficiency, switching-mode charging solution for a lead-acid battery.
  • Using the bq24105/25 to Charge LiFePO4 battery
    PDF, 118 Kb, File published: Dec 17, 2007
    This application report gives an example of using the bq24105/25 charge management device to provide a high-efficiency, switching-mode charging solution for the LiFePOв‚„battery.
  • Power Dissipation Analysis & Circuit Design for Sync Switching Battery Charger
    PDF, 402 Kb, File published: May 31, 2005
    The bqSWITCHER(TM) (bq24100/03/05/08/13/15) is a highly integrated, switch-mode, Li-ion and Li-polymer battery charger IC. With two power MOSFETs, the gate drivers, and the controller fully integrated in the chip, the circuit design as well as the PCB layout has been appreciably simplified. However, it is still important to have a good understanding of the charger circuit design, layout principles
  • Implementations of Battery Charger and Power-Path Mgmt System Using bq241xx
    PDF, 752 Kb, File published: Jun 6, 2006
    This application report presents four system topologies that can be used to fully implement a portable power management system solution using the bqSWITCHERв„ў. Test results and the advantages and issues of each topology are discussed.
  • Drive High Current LEDs
    PDF, 437 Kb, File published: Jan 25, 2007
    This application report presents high-current LED driving requirements that use the TI integrated boost converter IC TPS6106x and integrated buck converter IC bqSWITCHERв„ў (bq2410x/11x/12x). Step-by-step design procedures, measurement results, and two dimming methods are provided and discussed.

Model Line

Series: BQ24105 (2)

Manufacturer's Classification

  • Semiconductors> Power Management> Battery Management Products> Battery Charger IC
EMS supplier