Datasheet Texas Instruments BQ27421-G1 — Ficha de datos

FabricanteTexas Instruments
SerieBQ27421-G1
Datasheet Texas Instruments BQ27421-G1

Indicador de combustible del lado del sistema (tm) con resistencia de detección integrada | Indicador de gas de batería

Hojas de datos

bq27421-G1 System-Side Impedance Track Fuel Gauge With Integrated Sense Resistor datasheet
PDF, 1.1 Mb, Revisión: E, Archivo publicado: enero 6, 2016
Extracto del documento

Precios

Estado

BQ27421YZFR-G1ABQ27421YZFR-G1BBQ27421YZFR-G1DBQ27421YZFT-G1ABQ27421YZFT-G1BBQ27421YZFT-G1D
Estado del ciclo de vidaActivo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricanteNoNoNo

Embalaje

BQ27421YZFR-G1ABQ27421YZFR-G1BBQ27421YZFR-G1DBQ27421YZFT-G1ABQ27421YZFT-G1BBQ27421YZFT-G1D
N123456
Pin999999
Package TypeYZFYZFYZFYZFYZFYZF
Industry STD TermDSBGADSBGADSBGADSBGADSBGADSBGA
JEDEC CodeS-XBGA-NS-XBGA-NS-XBGA-NS-XBGA-NS-XBGA-NS-XBGA-N
Package QTY300030003000250250250
CarrierLARGE T&RLARGE T&RLARGE T&RSMALL T&RSMALL T&RSMALL T&R
Device MarkingBQ27421G1BBQ27421G1ABQ27421G1D
Width (mm)1.751.751.751.751.751.75
Length (mm)1.751.751.751.751.751.75
Pitch (mm).5.5.5.5.5.5
Max Height (mm).625.625.625.625.625.625
Mechanical DataDescargarDescargarDescargarDescargarDescargarDescargar

Paramétricos

Parameters / ModelsBQ27421YZFR-G1A
BQ27421YZFR-G1A
BQ27421YZFR-G1B
BQ27421YZFR-G1B
BQ27421YZFR-G1D
BQ27421YZFR-G1D
BQ27421YZFT-G1A
BQ27421YZFT-G1A
BQ27421YZFT-G1B
BQ27421YZFT-G1B
BQ27421YZFT-G1D
BQ27421YZFT-G1D
Battery Capacity(Max), mAh800080008000800080008000
Battery Capacity(Min), mAh100100100100100100
Cell BalancingN/AN/AN/AN/AN/AN/A
Cell ChemistryLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-PolymerLi-Ion/Li-Polymer
Communication InterfaceI2CI2CI2CI2CI2CI2C
External Capacity IndicationNoneNoneNoneNoneNoneNone
Gas Gauge AlgorithmIT (High accuracy)IT (High accuracy)IT (High accuracy)IT (High accuracy)IT (High accuracy)IT (High accuracy)
ImplementationSystemSystemSystemSystemSystemSystem
Number of Series CellsSingle CellSingle CellSingle CellSingle CellSingle CellSingle Cell
Operating Temperature Range, C-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Package GroupDSBGADSBGADSBGADSBGADSBGADSBGA
Package Size: mm2:W x L, PKGSee datasheet (DSBGA)See datasheet (DSBGA)See datasheet (DSBGA)See datasheet (DSBGA)See datasheet (DSBGA)See datasheet (DSBGA)
Pin/Package9DSBGA9DSBGA9DSBGA9DSBGA9DSBGA9DSBGA
RatingCatalogCatalogCatalogCatalogCatalogCatalog
Special FeaturesIntegrated Sense ResistorIntegrated Sense ResistorIntegrated Sense ResistorIntegrated Sense ResistorIntegrated Sense ResistorIntegrated Sense Resistor

Plan ecológico

BQ27421YZFR-G1ABQ27421YZFR-G1BBQ27421YZFR-G1DBQ27421YZFT-G1ABQ27421YZFT-G1BBQ27421YZFT-G1D
RoHSObedienteObedienteObedienteObedienteObedienteObediente

Notas de aplicación

  • Single Cell Gas Gauge Circuit Design
    PDF, 154 Kb, Archivo publicado: feb 22, 2008
  • Verification and Accuracy Test Methods of Gas Gauges
    PDF, 51 Kb, Archivo publicado: jun 5, 2013
  • Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm
    PDF, 608 Kb, Archivo publicado: enero 31, 2008
    This application report outlines the theory of Impedance Trackв„ў (IT) technology used in the bq2750x series of fuel gauge ICs for single-cell Li-ion applications (e.g., smart phones, media players, and PDAs). The implementation of the IT algorithm in the bq2750x family is reviewed, and the settings of data flash constants associated with the fuel-gauging algorithm is described in detail.
  • Single Cell Impedance Track Printed-Circuit Board Layout
    PDF, 403 Kb, Archivo publicado: feb 22, 2008
    bq20z70/90 Printed-Circuit Board Layout Guide
  • Going to Production With the bq274xx Family of Gas Gauges
    PDF, 1.2 Mb, Archivo publicado: jun 27, 2011
    This application report presents a strategy for high-speed, economical calibration and production programming of the bq274xx single-cell gas gauge. Flowchart examples are provided, along with step-by-step instructions for preparing a calibration data set that is required when creating the Golden Data Flash Image (DFI) that is programmed into all bq274xx devices on the production line.
  • Low-Power, Long Runtime Fuel Gauging Scheme
    PDF, 52 Kb, Archivo publicado: oct 11, 2013

Linea modelo

Clasificación del fabricante

  • Semiconductors> Power Management> Battery Management Products> Battery Fuel Gauge