Datasheet Texas Instruments BQ27541DRZT

Manufacturer	Texas Instruments
Series	BQ27541
Part Number	BQ27541DRZT

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Design Kits & Evaluation Modules

• Evaluation Modules & Boards: BQ27541EVM
  Single Cell Impedance TrackВ™ Battery Fuel Gauge With LDO Evaluation Module | Gas Gauge
  Lifecycle Status: Active (Recommended for new designs)
  
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Application Notes

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  ESD and RF Mitigation in Handheld Battery Pack Electronics
  PDF, 68 Kb, File published: Mar 6, 2008
  It is imperative to protect the electronics in a consumer-removable battery pack from ESD damage. Even an upset without permanent damage may be unacceptable to the end-user. Handheld equipment that contains a transmitter also may require protection to guard against improper measurement and/or upset due to the affect of the radio frequency (RF) on the circuitry. Because the RF field strength varies
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  Going to Production With the bq2754x (Rev. A)
  PDF, 581 Kb, Revision: A, File published: Mar 11, 2011
  This application report presents a strategy for high speed, economical calibration, and production programming of the bq2754x 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 bq2754x at the pack maker production line.
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  Configuring the bq2754x Data Flash
  PDF, 1.2 Mb, File published: May 27, 2009
  The bq2754x has many data flash constants that can configure the device with various, different options for most features. The data flash of the bq2754x is divided into sections, which are described in detail in this document.
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  bq27541 to bq27541-v200 Change List
  PDF, 40 Kb, File published: Feb 17, 2010
  This document describes the design changes from the bq27541 (firmware version 1.12) to bq27541-v200 (firmware version 2.00). For ordering information and data sheet, see the Texas Instruments Web site.
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  bq27541-v200 to bq27541-G1 Change List (Rev. A)
  PDF, 43 Kb, Revision: A, File published: Oct 21, 2012
  bq27541-v200, bq27541-G1 bq27541-v200 to bq27541-G1 CHANGE LIST PMP/BMS/Handheld/2-App_Reports/SLUA641_Change_List/bq27541-v200_ChangeList
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  Fine tuning TI's Impedance Trackв„ў battery fuel gauge with LiFePO4 cells
  PDF, 153 Kb, File published: Mar 14, 2011
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  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
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  WinCE/Linux Drivers for bq275xx Fuel Gauge
  PDF, 188 Kb, File published: Mar 17, 2011
  The bq275xx gas gauge integrated circuits (IC) can use an I2C line for communication with the host system. It is necessary to allow application-layer software on the host system to access parameters made available by the gas gauge IC. Multiple levels of abstraction are between the gauge and a given application. This document describes an example implementation of each of these layers in an effo
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  How to Transfer bq27541 Into Hibernate Mode
  PDF, 42 Kb, File published: Apr 13, 2010
  This document presents a checklist and a discussion on how to transfer reliably the bq27541 into Hibernate mode.
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  Selecting an Impedance Track Gas Gauge for Li-Ion Single Cell Applications
  PDF, 78 Kb, File published: Apr 10, 2012
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  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
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  Improving Battery Safety, Charging, and Fuel Gauging in Portable Media Apps
  PDF, 570 Kb, File published: Mar 11, 2009
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  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.
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  Gauge Communication
  PDF, 79 Kb, File published: Jan 12, 2017
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  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
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  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
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  Using I2C Communication With the bq275xx Series of Fuel Gauges (Rev. B)
  PDF, 53 Kb, Revision: B, File published: May 15, 2014
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  Configuring the bq27541-V200 Data Flash (Rev. B)
  PDF, 1.5 Mb, Revision: B, File published: Mar 9, 2011
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  Achieving the Successful Learning Cycle
  PDF, 46 Kb, File published: May 12, 2011
  bq27500, bq27501, bq27510, bq27505, bq27541, bq27520 Achieving the Successful Learning Cycle
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  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.
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  Single Cell Impedance Track Printed-Circuit Board Layout
  PDF, 403 Kb, File published: Feb 22, 2008
  bq20z70/90 Printed-Circuit Board Layout Guide
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  Single Cell Gas Gauge Circuit Design
  PDF, 154 Kb, File published: Feb 22, 2008
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  Configuring the bq2754x-G1 Data Flash
  PDF, 1.1 Mb, File published: Oct 16, 2012
  bq27541-G1, bq27545-G1, bq27541EVM, bq27545EVM Configuring the bq2754x-G1 Data Flash
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  Single Cell Gas Gauge Application Book
  PDF, 9.7 Mb, File published: Jul 28, 2008
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  Host-Side Gas-Gauge-System Design Considerations for Single-Cell Handheld Apps
  PDF, 152 Kb, File published: Oct 12, 2007
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  Host System Calibration Method (Rev. B)
  PDF, 140 Kb, Revision: B, File published: May 19, 2016
  To add improvements to the Impedance Trackв„ў algorithm, changes have been made to free up firmwarecode space. In the process of freeing up code space, the calibration calculations are no longerautomatically performed by the gauge but must be performed by the host and the results written back tothe gauge. This application note provides a flow on how to implement the calibration algorithm on a
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  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

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Manufacturer's Classification

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