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BQ24314A Status: ACTIVE

Overvoltage & Overcurrent Protection IC & Li+ Charger Front-End Protection IC

      
         
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Datasheet

Download - PDF Icon
  • Overvoltage & Overcurrent Protection IC & Li+ Charger Front-End Protection IC (bq24314a.pdf, 866 KB)
    19 Mar 2008 Download

 BQ24300 BQ24304 BQ24313 BQ24314 BQ24314ABQ24315 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  Programmable up to 1.5  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  Fault Indication  Fault indication   Fault Indication  Fault indication  
 SamplesSamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventory Not AvailableInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • BQ24314: Charger front end protection IC with 30V max vin and 5.85V OVP
  • TPS54386: Dual 3A Non-Synchronous Buck Converter with Integrated High Side MOSFET, 600 kHz
  • TSC2046E: 4-Wire Touch Screen Controller with low voltage digital I/O
  • TSC2046: 4-Wire Touch Screen Controller with low voltage digital I/O

Product Information

Features

  • Provides Protection for Three Variables:
    • Input Overvoltage, with Rapid Response in < 1 &mnicro;s
    • User-Programmable Overcurrent with Current Limiting
    • Battery Overvoltage
  • 30V Maximum Input Voltage
  • Supports up to 1.5A Input Current
  • Robust Against False Triggering Due to Current Transients
  • Thermal Shutdown
  • Enable Input
  • Status Indication - Fault Condition
  • Available in Space-Saving Small 8 Lead 2×2 SON
  • APPLICATIONS
    • Mobile Phones and Smart Phones
    • PDAs
    • MP3 Players
    • Low-Power Handheld Devices
    • Bluetooth™ Headsets

PowerPAD Is a trademark of Texas Instruments

Description

The bq24314A is a highly integrated circuit 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. In case of an input overvoltage condition, the IC immediately removes power from the charging circuit by turning off an internal switch. In the case of an overcurrent condition, it limits the system current at the threshold value, and if the overcurrent persists, switches the pass element OFF after a blanking period. Additionally, the IC also monitors its own die temperature and switches off if it exceeds 140°C. The input overcurrent threshold is user-programmable.

The IC can be controlled by a processor and also provides status information about fault conditions to the host.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsPackage QTY | Package CarrierSamples
BQ24314ADSGRACTIVE-40 to 1250.55 | 1kuSON (DSG) | 8 3000 | LARGE T&R
BQ24314ADSGRG4ACTIVE-40 to 1250.55 | 1kuSON (DSG) | 8 3000 | LARGE T&R
BQ24314ADSGTACTIVE-40 to 1250.65 | 1kuSON (DSG) | 8 250 | SMALL T&RPurchase Samples
BQ24314ADSGTG4ACTIVE-40 to 1250.65 | 1kuSON (DSG) | 8 250 | SMALL T&RPurchase 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

  TI Inventory Status Reported Distributor Inventory
BQ24314ADSGRAs of 10:15 AM GMT, 19 Nov 2008As of 10:15 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 8012 | 26 Nov 6 Weeks AmericasDigiKey 364
 4107 | 17 Dec Mouser Electronics >1k
BQ24314ADSGRG4As of 10:15 AM GMT, 19 Nov 2008As of 10:15 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 8012 | 26 Nov 6 Weeks None Reported
View Distributors		   
 4107 | 17 Dec     
BQ24314ADSGTAs of 10:15 AM GMT, 19 Nov 2008As of 10:15 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 26 Nov 4 Weeks AmericasArrow 500
  Avnet 500
  Mouser Electronics 250
BQ24314ADSGTG4As of 10:15 AM GMT, 19 Nov 2008As of 10:15 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 26 Nov 4 Weeks None Reported
View Distributors		   
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** 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
BQ24314ADSGR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BQ24314ADSGRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BQ24314ADSGT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BQ24314ADSGTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* 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

Datasheets

  • Overvoltage & Overcurrent Protection IC & Li+ Charger Front-End Protection IC (bq24314a.pdf, 866 KB)
    19 Mar 2008 Download

User Guides

  • bq2430x/1x DSG EVM (HPA245) for Li+ Charger Front End Protection IC (Rev. A) (sluu291a.htm, 8 KB)
    01 Apr 2008 Abstract

Tools & Software

NamePart # Company Tool / Software Type
BQ24314A Li+ Charger Front End Protection IC Evaluation ModuleBQ24314AEVMTexas InstrumentsDevelopment Boards/EVMs

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