BQ24104RHLR ,Synchronous Switchmode, Li-Ion & Li-Pol Charge Mngmt IC (bqSwitcher) 20-VQFN -40 to 85Features 2 Applications1• Ideal For Highly Efficient Charger Designs For • Handheld ProductsSingle- ..
BQ24105RHLR ,bqSWITCHER(TM) Synchronous, Switch-Mode Li-Ion Charger w/ 2-A FET in QFN, 1 to 3 cells, StandaloneSample & Support &Product Tools &TechnicalCommunityBuyFolder Documents Softwarebq24100,bq24103,bq24 ..
BQ24105RHLRG4 ,Standalone Synchronous Switch-Mode Li-Ion Charger w/2A FET in QFN-20, 1 to 3 Cells 20-VQFN -40 to 85Block Diagram... 1213 Mechanical, Packaging, and Orderable8.3 Feature Description.... 13Information ..
BQ24108RHLR ,bqSWITCHER(TM) Synchronous, Switch-Mode Li-Ion Charger w/ 2-A FET in QFN, StandaloneFeatures 2 Applications1• Ideal For Highly Efficient Charger Designs For • Handheld ProductsSingle- ..
BQ24108RHLRG4 ,Standalone Synchronous Switch-mode Li-Ion Charger w/2A FET in QFN-20, 1-Cell 20-VQFN -40 to 85Features... 1 9 Application and Implementation...... 249.1 Application Information........ 242 Appl ..
BQ24109RHLR ,Synchronous Switchmode, Li-Ion & Li-Pol Charge Mngmt IC (bqSwitcher) 20-VQFN -40 to 125Features 2 Applications1• Ideal For Highly Efficient Charger Designs For • Handheld ProductsSingle- ..
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BQ24104RHLR
Synchronous Switchmode, Li-Ion & Li-Pol Charge Mngmt IC (bqSwitcher)
3 IN
2 STAT1
19 STAT2
5 PGTTC
OUT120
BAT
LOUT COUT
RSNS
0.1W1.5 KW 1.5 KW 1.5 KWDoneAdapter
103AT
Battery
Pack
Pack-
Pack+ 10HmFm
BQ24100
RISET1
MMBZ18VALT1
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq24100, bq24103, bq24103A, bq24104, bq24105
bq24108, bq24109, bq24113, bq24113A, bq24115SLUS606P –JUNE 2004–REVISED NOVEMBER 2015
bq241xx Synchronous Switched-Mode, Li-Ion and Li-Polymer Charge-Management With Integrated Power FETs (bqSWITCHER™) Features 2 Applications Ideal For Highly Efficient Charger Designs For • Handheld Products
Single-, Two-,or Three-Cell Li-Ion and Li-Polymer • Portable Media Players
Battery Packs • Industrial and Medical Equipment bq24105 Also for LiFePO4 Battery (see Using • Portable Equipmentbq24105to Charge the LiFePO4 Battery) Integrated Synchronous Fixed-Frequency PWM
3 DescriptionController Operatingat 1.1 MHz With 0%to 100% The bqSWITCHER™ series are highly integrated Li-Duty Cycle ion and Li-polymer switch-mode charge management
devices targeted at a wide range of portable• Integrated Power FETsfor Up To 2-A Charge
applications. The bqSWITCHER™ series offersRate integrated synchronous PWM controller and power• High-Accuracy Voltage and Current Regulation FETs, high-accuracy current and voltage regulation,• Availablein Both Stand-Alone (Built-In Charge charge preconditioning, charge status, and chargeManagement and Control) and System-Controlled termination,ina small, thermally enhanced VQFN
(Under System Command) Versions package. The system-controlled version provides
additional inputs for full charge management under• Status Outputsfor LEDor Host Processor system control.Interface Indicates Charge-In-Progress, Charge
Completion, Fault, and AC-Adapter Present The bqSWITCHER™ charges the batteryin three
Conditions phases: conditioning, constant current, and constant
voltage. Charge is terminated based on user-• 20-V Maximum Voltage RatingonIN and OUT selectable minimum current level.A programmablePins charge timer providesa safety backup for charge• High-Side Battery Current Sensing termination. The bqSWITCHER™ automatically Battery Temperature Monitoring restarts the charge cycleif the battery voltage falls
below an internal threshold. The bqSWITCHER™• Automatic Sleep Modefor Low Power automatically enters sleep mode when VCC supplyisConsumption removed.• System-Controlled Version Can Be Usedin NiMH
and NiCd Applications
Device Information(1) Reverse Leakage Protection Prevents BatteryDrainage Thermal Shutdown and Protection (1) Forall available packages, see the orderable addendumat
the endofthe data sheet.• Built-In Battery Detection Availablein 20-Pin, 3.50 mm× 4.50 mm VQFN
Package
Typical 1-Cell Application
