BQ20Z70-V160

ACTIVO

Medidor de gas conforme a SBS 1.1 habilitado con la tecnología Impedance Track™ para su uso con bq29

Se encuentra disponible una versión más nueva de este producto

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Detalles del producto

Cell chemistry Li-Ion/Li-Polymer Number of series cells 2-4 Cells Communication interface SMBus Battery capacity (min) (mAh) 800 Battery capacity (max) (mAh) 15000 Implementation Pack External capacity indication SOC Features Impedance Track™ algorithm, SHA-1 Authentication Operating temperature range (°C) -40 to 85 Cell balancing Internal Rating Catalog
Cell chemistry Li-Ion/Li-Polymer Number of series cells 2-4 Cells Communication interface SMBus Battery capacity (min) (mAh) 800 Battery capacity (max) (mAh) 15000 Implementation Pack External capacity indication SOC Features Impedance Track™ algorithm, SHA-1 Authentication Operating temperature range (°C) -40 to 85 Cell balancing Internal Rating Catalog
TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • 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

  • 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

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.

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.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech for bq29330 datasheet (Rev. B) 17/10/2006
* Guía del usuario bq20z70-V160 + bq29330, bq20z75 TRM 23/05/2008
* Errata bq20z70 + bq29330 Chipset Technical Reference (Rev. A) 22/06/2006
Nota sobre la aplicación Wide-Vin Battery-Charger Using SMBus MSP430 MCUs and bq Fuel Gauges (Rev. B) PDF | HTML 12/07/2019
Nota sobre la aplicación Data Flash Programing and Calibrating the bq20zxx Family of Gas Gauges (Rev. E) 14/09/2013
Nota sobre la aplicación Cell Balancing Using the bq20zxx (Rev. C) 12/01/2011
Nota sobre la aplicación Design 4: Support of Multiple Li-Ion Chemistries w/Impedance Track(TM) Gas Gauge (Rev. R) 15/10/2009
Nota sobre la aplicación Fast Cell Balancing Using External MOSFET (Rev. A) 26/01/2009
Nota sobre la aplicación bq20z70-v150 to bq20z70-v160 Change List 25/09/2008
Nota sobre la aplicación bq20z70, bq20z75, bq20z90, and bq20z95 Voltage Current & Measurement Accuracy 18/03/2008
Nota sobre la aplicación Quick-Start Guide for bq20zxx Family Gas Gauges (Rev. A) 4/09/2007
Nota sobre la aplicación Configuring the bq20z70 Data Flash 20/12/2006
Nota sobre la aplicación bq20z70 and bq20z90 Application Book 13/12/2006
Nota sobre la aplicación Exploring the bq20z70/90 Impedance Track(TM) Evaluation Kit 27/11/2006
Nota sobre la aplicación Pack Assembly and the bq20zxx (Rev. B) 7/11/2006
Nota sobre la aplicación bq20z80 EVM Data Flash Settings for Num of Serial Cells/Pack Cap (Rev. B) 6/11/2006
Nota sobre la aplicación Evaluation 1: Impedance Track Gas Gauge for Novice – bq20z70/z90 9/10/2006
Nota sobre la aplicación bq20z70/90 Gas Gauge Circuit Design 23/08/2006
Nota sobre la aplicación bq20z70/90 Printed-Circuit Board Layout Guide 2/08/2006
Nota sobre la aplicación Battery Pack Production Flow With bq20zXX 2/08/2006
Nota sobre la aplicación Design 2: Avoiding ESD and EMI Problems in bq20zxx Battery Pack Electronics 11/11/2005

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

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