Datasheet Texas Instruments BQ20Z80
| Manufacturer | Texas Instruments |
| Series | BQ20Z80 |
SBS 1.1-Compliant Gas Gauge Enabled with Impedance Track(TM) Technology for Use With the bq29312
Datasheets
SBS 1.1-COMPLIANT GAS GAUGE ENABLED W/IMPEDANCE TRACK TECHNOLOGY FOR USE W/bq29 datasheet
PDF, 1.1 Mb, File published: Jul 26, 2007
Extract from the document
Prices
Status
| BQ20Z80DBT | |
|---|---|
| Lifecycle Status | NRND (Not recommended for new designs) |
| Manufacture's Sample Availability | No |
Packaging
| BQ20Z80DBT | |
|---|---|
| N | 1 |
| Pin | 38 |
| Package Type | DBT |
| Industry STD Term | TSSOP |
| JEDEC Code | R-PDSO-G |
| Package QTY | 50 |
| Carrier | TUBE |
| Device Marking | 20Z80DBT |
| Width (mm) | 4.4 |
| Length (mm) | 9.7 |
| Thickness (mm) | 1 |
| Pitch (mm) | .5 |
| Max Height (mm) | 1.2 |
| Mechanical Data | Download |
Eco Plan
| BQ20Z80DBT | |
|---|---|
| RoHS | Compliant |
Application Notes
- Impedance Track(TM) Gas Gauge for NovicesPDF, 482 Kb, File published: Jan 30, 2006
This application report introduces the bq20z80 Impedance Trackв„ў and bq29312A chipset gas gauge solution. - Production 2: Data Flash Programming/Calibrating the bq20z80 Gas Gauges (Rev. B) (Rev. B)PDF, 235 Kb, Revision: B, File published: Jan 12, 2010
This application report presents a strategy for high-speed, economical calibration and data flash programming of the bq20z80 advanced gas gauge chipset family. VB6 code examples are provided, along with step-by-step instructions for preparing a golden battery pack. - Five to Eight-Series-Cell bq20z80 Fuel GaugePDF, 997 Kb, File published: Sep 10, 2007
Battery fuel gauging applications requiring five- to eight-series cells may not have an obvious solution. While fully functional solutions are anticipated in the future, currently available chipsets tend to address end-products where four-series cells are the maximum. This report presents an inexpensive solution, using the bq20z80 fuel gauge. - Updating Firmware With the bq20zxx and EVM (Rev. B)PDF, 54 Kb, Revision: B, File published: Nov 7, 2006
This application report presents the steps necessary to update the bq20z80 firmware and the EVM. - Design 1: bq20z80 and bq2084 Gas Gauge Circuit DesignPDF, 1.1 Mb, File published: Nov 14, 2005
Each component in the bq20z80 and bq2084 chipset reference designs is explained in this application report. Design tradeoffs and alternative circuits are provided, where appropriate. - Exploring the bq20z80 Impedance Track Evaluation Kit (Rev. A)PDF, 1.1 Mb, Revision: A, File published: Jun 14, 2006
- Evaluation 3: Theory/Implementation Impedance Track Battery Fuel-Gauging Algo (Rev. B)PDF, 101 Kb, Revision: B, File published: Dec 20, 2006
- Design 2: Avoiding ESD and EMI Problems in bq20zxx Battery Pack ElectronicsPDF, 113 Kb, File published: Nov 11, 2005
In an increasingly wireless world, electrostatic discharge and electromagnetic interference are both potential issues for portable battery packs. This application report discusses the causes of ESD and EMI issues in battery pack designs and offers solutions for mitigation. - Battery Pack Production Flow With bq20zXXPDF, 62 Kb, File published: Aug 2, 2006
This application report presents a battery pack production flow diagram for bq20zXX devices and discusses each step in detail. - bq20z80 Printed Circuit Board Layout GuidePDF, 304 Kb, File published: Mar 28, 2006
- Support of Multiple ChemistriesPDF, 86 Kb, File published: Jun 15, 2006
- bq20z80-V101 Temporary SBS.FullChargeCapacity() Invalid DataPDF, 33 Kb, File published: Sep 10, 2005
Temporary invalid data in the SBS.FullChargeCapacity() register of the bq20z80-V1.01 could occur under rare conditions. This application report describes those conditions and the solutions. - Production Flow With bq20z80 Gas GaugesPDF, 41 Kb, File published: Jun 15, 2006
- Evaluation 1: Feature Set Comparison Between bq2084 and bq20z80PDF, 147 Kb, File published: Nov 29, 2005
The bq20z80 differs from the bq2084 in several areas, although all bq2084 features are available in the bq20z80. Both devices support SBS1.1 with SMBus communications, but the bq20z80 has many extended SBS commands to enable additional features. The array of bq2084 safety features is expanded in the bq20z80, with a wider range of configuration options. The bq20z80 offers greater flexibility in use - bq20z80 to bq20z80-V101 Change ListPDF, 57 Kb, File published: Aug 17, 2005
- Configuring the bq20z80 Data FlashPDF, 2.8 Mb, File published: Jun 15, 2006
How to Configure the bq20z80 - bq20Z80-v101 to bq20z80-V102 Change ListPDF, 48 Kb, File published: Nov 17, 2005
This document describes the design considerations required to change a bq20z80-V101 design to a bq20z80-V102. Find the latest ordering information and data sheet on the TI Web site. - Evaluation 6: Using SHA-1 in bq20zxx Family of Gas GaugesPDF, 107 Kb, File published: Nov 19, 2005
The bq20zxx Impedance Trackв„ў family of gas gauge ICs includes a highly sophisticated authentication algorithm, known as SHA-1, which requires little setup and development time and provides an effective, secure battery design. - Data Flash Programming Using the EV SoftwarePDF, 40 Kb, File published: Jun 15, 2006
- bq20z80 Printed Circuit Board Layout GuidePDF, 198 Kb, File published: Jun 16, 2006
- Design 3: Configuring the bq20z80 Data FlashPDF, 1.2 Mb, File published: Nov 10, 2005
This application report presents the data flash constants for configuring the bq20z80 Smart Battery System (SBS)-compliant gas gauge device. A brief explanation of each option for the various features is included. - bq20z80 Application BookPDF, 7.3 Mb, File published: Jun 15, 2006
- Evaluation 7: Preparing Optimized Data Flash Constants (Rev. B)PDF, 29 Kb, Revision: B, File published: Dec 4, 2006
Impedance Track в„ў technology allows bq20z80 fuel gauge ICs to automatically acquire and maintain parameters for battery modeling needed for continuous fuel-gauge accuracy, regardless of battery model or manufacturer. This application report discusses how to prepare optimized default flash constants for specific battery types. - Fast Cell Balancing Using External MOSFET (Rev. A)PDF, 153 Kb, Revision: A, File published: Jan 26, 2009
The need for cell balancing comes from the fact that cell-to-cell differences in self-discharge, capacity, and impedance can lead to different charge states among the cells. However, the charger terminates the charge based on the summed voltage only, which may leave some cells undercharged and others overcharged. To remedy this imbalance and to achieve the goal of having all cells reaching 100% st - bq20z80 EVM Data Flash Settings for Num of Serial Cells/Pack Cap (Rev. B)PDF, 1.1 Mb, Revision: B, File published: Nov 6, 2006
This application report describes the configuration changes in the data flash constants in the Texas Instruments bq20z80 Gas Gauge Evaluation Software for a variety of battery-pack configurations. - Operating Fuel Gauge bq20z7x/8x/9x and SMBus-Like bq24745/47/65 ChargersPDF, 132 Kb, File published: Oct 6, 2009
The smart charger bq24747/765 is a high-efficiency, synchronous battery charger with an integrated input current comparator. This charger provides low component count for space constrained, multichemistry battery charging applications. SMBus input current, charge current, and input current digital-to-analog converters allow for very high regulation accuracies that the system power management micr - Data Flash Programming Using the EV Software (Rev. A)PDF, 53 Kb, Revision: A, File published: Jul 27, 2009
- Cell Balancing Using the bq20zxx (Rev. C)PDF, 208 Kb, Revision: C, File published: Jan 12, 2011
This application report discusses three types of cell imbalances that are observed in a battery pack withserially connected cells. - Pack Assembly and the bq20zxx (Rev. B)PDF, 35 Kb, Revision: B, File published: Nov 7, 2006
This application report describes a recommended assembly sequence for the bq20z80-based battery pack. This procedure results in the most time-efficient setup of the battery pack. Included are steps for connecting a 4-series cell battery to the bq20z80EVM-001. - Quick-Start Guide for bq20zxx Family Gas Gauges (Rev. A)PDF, 4.4 Mb, Revision: A, File published: Sep 4, 2007
The intent of this application report is to give the user an overview of the design process, how to use the evaluation module and software, and to provide helpful troubleshooting techniques.This document begins with setting up the evaluation module and working with bq Evaluation Software. Several tips for troubleshooting the software connection are included, as well as navigation and what to l - Cell-type Specific Settings for Cell Imbalance Permanent Failure ThresholdsPDF, 100 Kb, File published: Sep 28, 2007
- Design 4: Support of Multiple Li-Ion Chemistries w/Impedance Track(TM) Gas Gauge (Rev. R)PDF, 87 Kb, Revision: R, File published: Oct 15, 2009
- Information to Provide When Reporting Issues With TI GaugesPDF, 975 Kb, File published: Jul 18, 2008
- SMBus Made SimplePDF, 502 Kb, File published: Nov 9, 2016
- Thermistor Coefficient Calculator for TI Advanced Fuel GaugesPDF, 58 Kb, File published: Oct 4, 2006
- Data Flash Programing and Calibrating the bq20zxx Family of Gas Gauges (Rev. E)PDF, 230 Kb, Revision: E, File published: Sep 14, 2013
bq20zxx Data Flash Programing & Calibrating the bq20zxx Family of Gas Gauges - Thermistor Selection Guide for Texas Instruments Advanced Fuel GaugesPDF, 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
Model Line
Series: BQ20Z80 (1)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Fuel Gauge
