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BQ2023 Status: ACTIVE

Single-Wire Advanced Battery Monitor IC for Cellular and PDA Applications


      
         
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 BQ2023
Communication InterfaceSDQ  
Pin/Package8TSSOP  
Approx. Price (US$) 2.45 | 1ku  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • BQ27200: Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC with I2C Interface
  • BQ27010: Li-Ion AND Li-Pol Battery Gas Gauge IC for Portable Applications (bqJUNIOR)
  • BQ27510-G1: System-Side Impedance-Track Fuel Gauge With Direct Battery Connection
  • BQ77PL900: 5-10 cell Li-ion Battery protection & AFE

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Product Information

Features

  • Multifunction Monitoring IC Designed to Work With an Intelligent Host Controller:
    • Provides Accurate State of Charge Information for Rechargeable Batteries
    • Enhances Power and Charge Management in the System
  • Supply Operation Down to 2.4 V; Ideal for Single-Cell Li-Ion or Li-Pol Applications
  • Communicates Over Single-Wire SDQ™ Serial Interface
  • Resolves Signals Down to 3.05 uVh
  • High-Accuracy Coulometric Charge and Discharge Current Integration
  • Differential Current Sense Input
  • Automatic and Continuous Offset Calibration and Compensation
  • 32 Bytes of General-Purpose RAM, 224 Bytes of FLASH, and 8 Bytes of Secure ID ROM
  • Internal Temperature Sensor With 0.25°K Resolution Eliminates the Need for an External Thermistor
  • Programmable Digital Output Port
  • Battery-Pack Removal Detection Input Places the IC in the Sleep Mode When System Is Not Present
  • High-Accuracy Internal Timebase Eliminates External Crystal Oscillator
  • Low Power Consumption:
    • Operating: 40 uA
    • Sleep: 1.5 uA

SDQ is a trademark of Texas Instruments.

Description

The bq2023 is an advanced battery monitoring IC that accurately measures the charge and discharge currents in rechargeable battery packs. Intended for pack integration, the bq2023 contains all the necessary functions to form the basis for an accurate battery gas gauge in cellular phones, PDAs, or other portable products.

Gas gauging is accomplished by coulomb counting (i.e., measuring the charge input to and subsequently removed from the battery). The bq2023 achieves that by measuring the differential voltage drop across a low-value series sense resistor between the negative terminal of the battery and the battery-pack negative contact. An internal voltage-to-frequency converter (VFC) converts this voltage into charge and discharge counts.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
BQ2023PWACTIVE-20 to 702.70 | 1kuTSSOP (PW) | 8 View 100 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
BQ2023PWG4ACTIVE-20 to 702.70 | 1kuTSSOP (PW) | 8 View 100 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
BQ2023PWRACTIVE-20 to 702.45 | 1kuTSSOP (PW) | 8 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
BQ2023PWRG4ACTIVE-20 to 702.45 | 1kuTSSOP (PW) | 8 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase 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 12:18 PM GMT, 26 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksBQ2023PW
AmericasArrow 394
Rochester Electronics >1k
EuropeArrow Northern Europe 48
WorldwideDigiKey 60
Mouser Electronics 150
TI Lead Time*: 20 WeeksBQ2023PWG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksBQ2023PWR
AmericasRochester Electronics >1k
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksBQ2023PWRG4
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
BQ2023PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BQ2023PWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BQ2023PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BQ2023PWRG4 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

Most useful technical documents for BQ2023 Help

Datasheet

Application Notes

View Application Notes for Battery Fuel Gauges

User Guides

Tools & Software

NamePart # Company Tool / Software Type
BQ2023 Evaluation ModuleBQ2023EVM-001Texas InstrumentsDevelopment Boards/EVMs
BQ2023EVM-002 Single Wire Battery Monitor with UCC3952A Battery ProtectorBQ2023EVM-002Texas InstrumentsDevelopment Boards/EVMs

Customers Who Evaluated This Product Also Evaluated...
Part # Name Product Family Comments
BQ27200 Single-Cell Li-Ion and Li-Pol Battery Gas Gauge IC with I2C Interface BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ27010 Li-Ion AND Li-Pol Battery Gas Gauge IC for Portable Applications (bqJUNIOR) BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ27510-G1 System-Side Impedance-Track Fuel Gauge With Direct Battery Connection BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ2018 Multi-Chemistry Charge/Discharge Counter W/ High-Speed 1-Wire I/F (HDQ) BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ27541 Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ2019 FLASH-Based Precision Multi-Chemistry Charge/Discharge Counter W/High-Speed 1-Wire I/F (HDQ) BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ20Z40 SBS Compliant Gas Gauge with Impedance Track Technology for use with BQ29330 BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ20Z45 SBS 1.1 compliant Gas Gauge with Impedance Track Technology and Advanced Charging Algorithm BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ2013H NiCd/NiMH/Lead-Acid Gas Gauge For High Discharge Rates (>10A), Pgmable Offset Error & Load Comp. BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ27210 Li-Ion and Li-Pol Battery Gas Gauge IC for Portable Applications (bqJUNIOR) BATTERY MANAGEMENT-BATTERY FUEL GAUGES TI customers also evaluated this product.
BQ77PL900 5-10 cell Li-ion Battery protection & AFE BATTERY MANAGEMENT-LITHIUM ION PROTECTION TI customers also evaluated this product.

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