Datasheet Texas Instruments BQ27505-J3

ManufacturerTexas Instruments
SeriesBQ27505-J3
Datasheet Texas Instruments BQ27505-J3

System-Side Impedance Trackв„ў Fuel Gauge

Datasheets

System-Side Impedance Trackв„ў Fuel Gauge* datasheet
PDF, 1.1 Mb, Revision: A, File published: Feb 24, 2010
Extract from the document

Prices

Status

BQ27505YZGR-J3BQ27505YZGT-J3
Lifecycle StatusNRND (Not recommended for new designs)NRND (Not recommended for new designs)
Manufacture's Sample AvailabilityNoNo

Packaging

BQ27505YZGR-J3BQ27505YZGT-J3
N12
Pin1212
Package TypeYZGYZG
Industry STD TermDSBGADSBGA
JEDEC CodeR-XBGA-NR-XBGA-N
Package QTY3000250
CarrierLARGE T&RSMALL T&R
Device MarkingBQ27505BQ27505
Thickness (mm).375.375
Pitch (mm).5.5
Max Height (mm).625.625
Mechanical DataDownloadDownload

Eco Plan

BQ27505YZGR-J3BQ27505YZGT-J3
RoHSCompliantCompliant

Application Notes

  • Single Cell Gas Gauge Circuit Design
    PDF, 154 Kb, File published: Feb 22, 2008
  • Using I2C Communication With the bq275xx Series of Fuel Gauges (Rev. B)
    PDF, 53 Kb, Revision: B, File published: May 15, 2014
  • Thermistor Selection Guide for Texas Instruments Advanced Fuel Gauges
    PDF, 564 Kb, File published: Sep 28, 2011
    bq20z40, bq20z45, bq20z60, bq20z65, bq20z70, bq20z75, bq20z80, bq20z90, bq20z95, bq27410, Thermistor Selection Guide for Texas Instruments Advanced Fuel Guages
  • How to Use bq27505 in a Smart Phone System
    PDF, 373 Kb, File published: Aug 8, 2009
    TI's Impedance Trackв„ў fuel gauge is designed for accurately reporting battery remaining capacity and run time. It is necessary to design and implement the gauge correctly to achieve this. This application report provides an example of how to design the bq27505 into a system motherboard for a smart phone system.
  • Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm
    PDF, 608 Kb, File published: Jan 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, File published: Feb 22, 2008
    bq20z70/90 Printed-Circuit Board Layout Guide
  • Impedance Track Fuel Gauge Accuracy Test for GSM Phone Applications
    PDF, 393 Kb, File published: Mar 21, 2008
    The Texas Instruments Impedance Trackв„ў (IT) fuel gauge is designed for reporting remaining battery capacity and run time accurately. To effectively accomplish this reporting a real application environment must be used for test results. The test board should be designed as similar to the real application circuit as possible. This application report outlines the procedure for implementing an accurac
  • Quick-Start Guide for bq27505 Family Gas Gauge
    PDF, 2.3 Mb, File published: Aug 8, 2009
    The Texas Instruments bq27505 series system-side, Li-ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell, Li-ion battery packs. The device requires little system microcontroller firmware development. The bq27505 resides on the system main board and manages an embedded battery (nonremovable) or a removable battery pack.
  • Going to Production With the bq275xx (Rev. F)
    PDF, 1.1 Mb, Revision: F, File published: Oct 9, 2014
  • bq27505-J3 to bq27505-J4 Change List
    PDF, 30 Kb, File published: Jan 22, 2010
    This document describes the change made from bq27505-J3 to bq27505-J4. The latest ordering information and data sheet are available on the Texas Instruments Web site. Note: bq27505-J3 uses firmware version 2.20, and the bq27505-J4 uses firmware version 2.24.
  • MSP430 Microcontroller SW for Handheld Fuel Gauges and Battery Authentication (Rev. A)
    PDF, 350 Kb, Revision: A, File published: May 26, 2010
    MSP430, bq26100, bq26100EVM, bq26150, bq26150EVM, bq26500, bq27000, bq27000EVM, bq27200, b MSP430 Microcontroller Software for Handheld Fuel Gauge & Battery Authentication
  • How to Generate Golden Image for Single-Cell Impedance Track(TM) Devices
    PDF, 964 Kb, File published: Jan 7, 2010
    Texas Instruments advanced fuel gauges, employing the Impedance Trackв„ў algorithm, offer an unmatched array of features and benefits. Sometimes, however, the learning cycle to generate the golden image may seem a little challenging. In addition, determining the correct chemistry model and producing the golden image file can be time consuming. This application report describes the necessary p
  • Going to Production With the bq27505
    PDF, 655 Kb, File published: Aug 17, 2009
    This application report presents a strategy for high-speed and economical calibration and production programming of the bq27505 single-cell, gas gauge chipsets. 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 that is programmed into all bq27505 devices at the original equipment man
  • Updating bq275xx Firmware at Production (Rev. A)
    PDF, 107 Kb, Revision: A, File published: Feb 21, 2011
    bq27500 bq27500-V100 bq27500-V120 bq27500-V130 bq27501 bq27505 bq27505-J2 bq27505-J3 bq275 Updating bq275xx Firmware at Production
  • bq27505-J2 to bq27505-J3 Change List
    PDF, 29 Kb, File published: Jan 26, 2010
    This document describes the change made from bq27505-J2 to bq27505-J3. The latest ordering information and data sheet are available on the TI Web site. Note: The bq27505-J2 uses firmware version 2.15 and the bq27505-J3 uses firmware version 2.20
  • Updating Firmware with the bq2750x and EVM (Rev. A)
    PDF, 955 Kb, Revision: A, File published: Jul 22, 2008
    This application report provides the procedure to update bq2750x firmware and the learned golden image (*.DFI file) in bq27500 data flash from the previous firmware version.
  • Configuring the bq27505 Data Flash
    PDF, 1.4 Mb, File published: Jul 29, 2009
    The bq27505 battery fuel gauge has many data flash constants that can configure the device with various, different options for most features. The data flash of the bq27505 is split into sections, which are described in detail in this document.
  • Host-Side Gas-Gauge-System Design Considerations for Single-Cell Handheld Apps
    PDF, 152 Kb, File published: Oct 12, 2007
  • Single Cell Gas Gauge Application Book
    PDF, 9.7 Mb, File published: Jul 28, 2008
  • Improving Battery Safety, Charging, and Fuel Gauging in Portable Media Apps
    PDF, 570 Kb, File published: Mar 11, 2009

Model Line

Series: BQ27505-J3 (2)

Manufacturer's Classification

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