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BQ20Z70-V160 Status: ACTIVE

SBS 1.1-Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29330

      
         
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Datasheet

Download - PDF Icon
  • SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech for bq29330 (Rev. B) (bq20z70-v160.pdf, 507 KB)
    17 Oct 2006 Download
  • bq20z70 + bq29330 Chipset Technical Reference (Rev. A) (sluu250a.pdf, 1337 KB)
    22 Jun 2006 Download

 BQ20Z70-V160
Charge vs Discharge RelationshipC=D  
Battery Capacity(Min)(mAh)800  
Battery Capacity(Max)(mAh)15000  
Communication InterfaceSMBus  
Pin/Package20TSSOP  
Approx. Price (US$) 3.15 | 1ku  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • BQ20Z70-V110: SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech for bq29330
  • BQ20Z70-V150: SBS 1.1-Compliant Gas Gauge Enabled with Impedance Track Technology for use with the bq29330
  • BQ2084-V150: SBS v1.1 Compliant Gas Gauge with LED Delay
  • BQ29330: Two, Three and Four Cell Lithium or Lithium-Polymer Battery Protection AFE

More Related Products

Product Information

Features

  • Next Generation Patented Impedance Track™ Technology accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries
  • Better than 1% Error Over Lifetime of the Battery
  • Instant Accuracy – No Learning Cycle Required
  • Supports the Smart Battery Specification SBS V1.1
  • Powerful 8-Bit RISC CPU With Ultra-Low Power Modes
  • Works With the TI bq29330 Analog Front-End (AFE) Protection IC to Provide Complete Pack Electronics Solution
  • Full Array of Programmable Protection Features
    • Voltage, Current and Temperature
  • Fully Integrated High Accurate Clock
  • Flexible Configuration for 2 to 4 Series Li-Ion and Li-Polymer Cells
  • Integrated Field Programmable FLASH Memory Eliminates the Need for External Configuration Memory
  • Smart Battery Charger Control Feature
  • Two 16-Bit Delta-Sigma Converter
    • Accurate Voltage and Temperature Measurements
    • Integrating Coloumb Counter for Charge Flow
      • Better Than 0.65 nVh of Resolution
      • Self-Calibrating
  • Supports SHA-1 Authentication
  • 20-Pin TSSOP (PW)
  • APPLICATIONS
    • Notebook PCs
    • Medical and Test Equipment
    • Portable Instrumentation

IMPEDANCE TRACK Is a trademark of Texas Instruments

Description

The bq20z70 SBS-compliant gas gauge IC, incorporating patented Impedance Track™ technology, is designed for battery-pack or in-system installation. The bq20z70 measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals. The bq20z70 monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack, and reports the information to the system host controller over a serial-communication bus. It is designed to work with the bq29330 analog front-end (AFE) protection IC to maximize functionality and safety, and minimize component count and cost in smart battery circuits.

The Impedance Track technology continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables remaining capacity to be calculated with discharge rate, temperature, and cell aging all accounted for during each stage of every cycle.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
BQ20Z70PW-V160ACTIVE-40 to 853.15 | 1kuTSSOP (PW) | 20 View 70 | TUBE
BQ20Z70PW-V160G4ACTIVE-40 to 853.15 | 1kuTSSOP (PW) | 20 View 70 | TUBE
BQ20Z70PWR-V160ACTIVE-40 to 853.15 | 1kuTSSOP (PW) | 20 View 2000 | LARGE T&RPurchase Samples
BQ20Z70PWR-V160G4ACTIVE-40 to 853.15 | 1kuTSSOP (PW) | 20 View 2000 | LARGE 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
BQ20Z70PW-V160As of 10:16 AM GMT, 19 Nov 2008As of 10:16 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 2220 | 26 Nov 4 Weeks AmericasDigiKey 593
 >10k | 31 Dec     
BQ20Z70PW-V160G4As of 10:16 AM GMT, 19 Nov 2008As of 10:16 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 2220 | 26 Nov 4 Weeks None Reported
View Distributors		   
 >10k | 31 Dec     
BQ20Z70PWR-V160As of 10:16 AM GMT, 19 Nov 2008As of 10:16 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 31 Dec 6 Weeks None Reported
View Distributors		   
BQ20Z70PWR-V160G4As of 10:16 AM GMT, 19 Nov 2008As of 10:16 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 31 Dec 6 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
BQ20Z70PW-V160 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
BQ20Z70PW-V160G4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
BQ20Z70PWR-V160 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
BQ20Z70PWR-V160G4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView

* 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

  • SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech for bq29330 (Rev. B) (bq20z70-v160.pdf, 507 KB)
    17 Oct 2006 Download
  • bq20z70 + bq29330 Chipset Technical Reference (Rev. A) (sluu250a.pdf, 1337 KB)
    22 Jun 2006 Download

Application Notes

  • Design 4: Support of Multiple Li-Ion Chemistries w/Impedance Track(TM) Gas Gauge (Rev. J) (slua372j.htm, 8 KB)
    04 Nov 2008 Abstract
  • bq20z70-v150 to bq20z70-v160 Change List (slua472.htm, 8 KB)
    25 Sep 2008 Abstract
  • Information to Provide when Reporting Issues with TI Gauges (slua474.htm, 8 KB)
    18 Jul 2008 Abstract
  • How to Access the FAQ KnowledgeBase for Impedance Track Fuel (slua466.htm, 8 KB)
    09 May 2008 Abstract
  • 2-Series-Cell Considerations for Advanced Fuel Gauges (slua465.htm, 8 KB)
    09 May 2008 Abstract
  • bq20z70, bq20z75, bq20z90, and bq20z95 Voltage Current & Measurement Accuracy (slua459.htm, 8 KB)
    18 Mar 2008 Abstract
  • Cell-type Specific Settings for Cell Imbalance Permanent Failure Thresholds (slua433.htm, 8 KB)
    28 Sep 2007 Abstract
  • Quick-Start Guide for bq20zxx Family Gas Gauges (Rev. A) (slua421a.htm, 8 KB)
    04 Sep 2007 Abstract
  • bq29330 External Short Circuit Protection (slua436.htm, 8 KB)
    22 Aug 2007 Abstract
  • Fast Cell Balancing Using External MOSFET (slua420.htm, 8 KB)
    03 May 2007 Abstract
  • Evaluation 3: Theory/Implementation Impedance Track Battery Fuel-Gauging Algo (Rev. B) (slua364b.htm, 8 KB)
    20 Dec 2006 Abstract
  • Configuring the bq20z70 Data Flash (slua405.htm, 8 KB)
    20 Dec 2006 Abstract
  • bq20z70 and bq20z90 Application Book (slua404.htm, 8 KB)
    13 Dec 2006 Abstract
  • Evaluation 7: Preparing Optimized Data Flash Constants (Rev. B) (slua334b.htm, 8 KB)
    04 Dec 2006 Abstract
  • Exploring the bq20z70/90 Impedance Track(TM) Evaluation Kit (slua396.htm, 8 KB)
    27 Nov 2006 Abstract
  • Cell Balancing Using the bq20zxx (Rev. B) (slua340b.htm, 8 KB)
    09 Nov 2006 Abstract
  • Updating Firmware With the bq20zxx and EVM (Rev. B) (slua336b.htm, 8 KB)
    07 Nov 2006 Abstract
  • Pack Assembly and the bq20zxx (Rev. B) (slua335b.htm, 8 KB)
    07 Nov 2006 Abstract
  • bq20z80 EVM Data Flash Settings for Num of Serial Cells/Pack Cap (Rev. B) (slva208b.htm, 8 KB)
    06 Nov 2006 Abstract
  • Evaluation 1: Impedance Track Gas Gauge for Novice – bq20z70/z90 (slua397.htm, 8 KB)
    09 Oct 2006 Abstract
  • Thermistor Coefficient Calculator for TI Advanced Fuel Gauges (slua398.htm, 8 KB)
    04 Oct 2006 Abstract
  • bq20z70/90 Gas Gauge Circuit Design (slua393.htm, 8 KB)
    23 Aug 2006 Abstract
  • bq20z70/90 Printed-Circuit Board Layout Guide (slua392.htm, 8 KB)
    02 Aug 2006 Abstract
  • Battery Pack Production Flow With bq20zXX (slua391.htm, 8 KB)
    02 Aug 2006 Abstract
  • Production 2: Data Flash Programing & Calibrating the bq20z70/90 (slua379.htm, 8 KB)
    25 May 2006 Abstract
  • Design 2: Avoiding ESD and EMI Problems in bq20zxx Battery Pack Electronics (slua368.htm, 8 KB)
    11 Nov 2005 Abstract

View Application Notes for Battery Fuel Gauges

More Literature

  • bq20z70-V160 + bq29330, bq20z75 TRM (sluu310.pdf, 1477 KB)
    23 May 2008 Download

Tools & Software

NamePart # Company Tool / Software Type
BQ20Z70EVM Evaluation Module for 2nd Generation Impedance Track(TM)BQ20Z70EVM-001Texas InstrumentsDevelopment Boards/EVMs
BQMTESTER Multi Channel Test and Program BoardBQMTESTERTexas InstrumentsDevelopment Boards/EVMs
Single Channel TesterBQTESTERTexas InstrumentsDevelopment Boards/EVMs
  • bq20z70-V160 Chemistry Updater(sluc121.zip, 72 KB )
               09 Oct 2008 zip

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 Complementary Products - Can be used with BQ20Z70-V160
Customers Who Evaluated This Product Also Evaluated...
Part #NameProduct FamilyComments
BQ29330Two, Three and Four Cell Lithium or Lithium-Polymer Battery Protection AFEBATTERY MANAGEMENT-LITHIUM ION PROTECTIONTI customers also evaluated this product.

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