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BQ24300 Status: ACTIVE

Charger front end protection IC with 30V max Vin and 5.5V LDO output


      
         
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Datasheet

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Functional Block Diagram


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 BQ24300BQ24304 BQ24305 BQ24314 BQ24314A BQ24315 BQ24316 
Input Voltage(Max)(V)30  30  30  30  30  30  30  
Input Over-Voltage Protection(V)10.5  10.5  10.5  5.85  5.85  5.85  6.80  
Input Over-Current Protection(A)0.3  0.3  0.3  Programmable up to 1.5  1.5  1.5  Programmable up to 1.5  
Battery Over-Voltage Protection(Max)(V)4.4  4.4  4.4  4.4  4.4  4.4  4.4  
Battery Over-Voltage Protection(Typ)(V)4.35  4.35  4.35  4.35  4.35  4.35  4.35  
Optional FunctionsReverse polarity protection  Reverse polarity protection  Reverse polarity protection  Fault indication   Fault Indication  Fault indication  
 SamplesSamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • BQ24070: Li-Ion Charger with Dynamic Power-Path Management, Output regulated to 4.4V
  • BQ24100: Standalone Synchronous Switch-mode Li-Ion Charger w/2A FET in QFN-20, 1-Cell

    • Product Information

    Features

    • Provides Protection for Three Variables:
      • Input Overvoltage
      • Input Overcurrent with Current Limiting
      • Battery Overvoltage
    • 30V Maximum Input Voltage
    • Optional Input Reverse Polarity Protection
    • High Immunity Against False Triggering Due to Voltage Spikes
    • Robust Against False Triggering Due to Current Transients
    • Thermal Shutdown
    • Enable Function
    • Small 2 mm × 2 mm 8-Pin SON Package
    • LDO Mode Voltage Regulation Options:
      • 5.5V on bq24300
      • 4.5V on bq24304
      • 5.0V on bq24305
    • APPLICATIONS
      • Bluetooth Headsets
      • Low-Power Handheld Devices

    PowerPAD Is a trademark of Texas Instruments

    Description

    The bq24300 and bq24304 are highly integrated circuits designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage, the input current, and the battery voltage. The device operates like a linear regulator: for voltages up to the Input Overvoltage threshold, the output is held at 5.5V (bq24300), 5.0V (bq24305) or 4.5V (bq24304). In case of an input overvoltage condition, if the overvoltage condition persists for more than a few microseconds, the IC removes power from the charging circuit by turning off an internal switch. In the case of an overcurrent condition, it limits the current to a safe value for a blanking duration before turning the switch off.

    View All Description in Datasheet

    		    

    Pricing / Packaging / CAD Design Tools / Samples

    PricePackagingCAD Design ToolsSamples
    DeviceStatusTemp (oC)Price | QuantityPackage | PinsPackage QTY | Package CarrierSymbolsSamples
    BQ24300DSGRACTIVE0 to 1250.55 | 1kuSON (DSG) | 8 3000 | LARGE T&R Download CAD Format for this Symbol
    BQ24300DSGRG4ACTIVE0 to 1250.55 | 1kuSON (DSG) | 8 3000 | LARGE T&R Download CAD Format for this Symbol
    BQ24300DSGTACTIVE0 to 1250.65 | 1kuSON (DSG) | 8 250 | SMALL T&R Download CAD Format for this SymbolPurchase Samples
    BQ24300DSGTG4ACTIVE0 to 1250.65 | 1kuSON (DSG) | 8 250 | SMALL T&R Download CAD Format for this SymbolPurchase Samples

    * Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

    Inventory

    Reported Distributor Inventory as of 12:14 PM GMT, 20 Nov 2009
    RegionCompanyIn StockPurchase
    TI Lead Time*: 16 WeeksBQ24300DSGR
    AmericasRochester Electronics >1k
    WorldwideDigiKey >1k
    TI Lead Time*: 16 WeeksBQ24300DSGRG4
    EuropeEBV Elektronik >1k
    WorldwideDigiKey  Available
    TI Lead Time*: 16 WeeksBQ24300DSGT
    WorldwideDigiKey  Available
    TI Lead Time*: 16 WeeksBQ24300DSGTG4
    WorldwideDigiKey  Available
    View all Distributors  

    ** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

    Quality & Lead (Pb)-Free Data

     Product ContentDPPM / MTBF / FIT Rate
    DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
    BQ24300DSGR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARView 
    BQ24300DSGRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARView 
    BQ24300DSGT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARView 
    BQ24300DSGTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARView 

    * The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

    If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

    Technical Documents

    Most useful technical documents for BQ24300 Help

    Datasheet

    Application Notes

    User Guides

    Tools & Software

    NamePart # Company Tool / Software Type
    BQ24300 Evaluation Module for Li+ Charger and Front End Protection ICBQ24300EVMTexas InstrumentsDevelopment Boards/EVMs

    Customers Who Evaluated This Product Also Evaluated...
    Part # Name Product Family Comments
    BQ24070 Li-Ion Charger with Dynamic Power-Path Management, Output regulated to 4.4V BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
    BQ24100 Standalone Synchronous Switch-mode Li-Ion Charger w/2A FET in QFN-20, 1-Cell BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.

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