Datasheet Texas Instruments BQ27421-G1 — 数据表
| 制造商 | Texas Instruments |
| 系列 | BQ27421-G1 |
集成感测电阻的系统侧（tm）电量计|电池电量计
数据表
bq27421-G1 System-Side Impedance Track Fuel Gauge With Integrated Sense Resistor datasheet
PDF, 1.1 Mb, 修订版: E, 档案已发布: Jan 6, 2016
从文件中提取
价格
状态
| BQ27421YZFR-G1A | BQ27421YZFR-G1B | BQ27421YZFR-G1D | BQ27421YZFT-G1A | BQ27421YZFT-G1B | BQ27421YZFT-G1D | |
|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No | Yes | No | No | Yes |
打包
| BQ27421YZFR-G1A | BQ27421YZFR-G1B | BQ27421YZFR-G1D | BQ27421YZFT-G1A | BQ27421YZFT-G1B | BQ27421YZFT-G1D | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 9 | 9 | 9 | 9 | 9 | 9 |
| Package Type | YZF | YZF | YZF | YZF | YZF | YZF |
| Industry STD Term | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA |
| JEDEC Code | S-XBGA-N | S-XBGA-N | S-XBGA-N | S-XBGA-N | S-XBGA-N | S-XBGA-N |
| Package QTY | 3000 | 3000 | 3000 | 250 | 250 | 250 |
| Carrier | LARGE T&R | LARGE T&R | LARGE T&R | SMALL T&R | SMALL T&R | SMALL T&R |
| Device Marking | BQ27421 | G1B | BQ27421 | G1A | BQ27421 | G1D |
| Width (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 |
| Length (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 |
| Pitch (mm) | .5 | .5 | .5 | .5 | .5 | .5 |
| Max Height (mm) | .625 | .625 | .625 | .625 | .625 | .625 |
| Mechanical Data | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | BQ27421YZFR-G1A | BQ27421YZFR-G1B | BQ27421YZFR-G1D | BQ27421YZFT-G1A | BQ27421YZFT-G1B | BQ27421YZFT-G1D |
|---|---|---|---|---|---|---|
| Battery Capacity(Max), mAh | 8000 | 8000 | 8000 | 8000 | 8000 | 8000 |
| Battery Capacity(Min), mAh | 100 | 100 | 100 | 100 | 100 | 100 |
| Cell Balancing | N/A | N/A | N/A | N/A | N/A | N/A |
| Cell Chemistry | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
| Communication Interface | I2C | I2C | I2C | I2C | I2C | I2C |
| External Capacity Indication | None | None | None | None | None | None |
| Gas Gauge Algorithm | IT (High accuracy) | IT (High accuracy) | IT (High accuracy) | IT (High accuracy) | IT (High accuracy) | IT (High accuracy) |
| Implementation | System | System | System | System | System | System |
| Number of Series Cells | Single Cell | Single Cell | Single Cell | Single Cell | Single Cell | Single Cell |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Package Group | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA |
| Package Size: mm2:W x L, PKG | See datasheet (DSBGA) | See datasheet (DSBGA) | See datasheet (DSBGA) | See datasheet (DSBGA) | See datasheet (DSBGA) | See datasheet (DSBGA) |
| Pin/Package | 9DSBGA | 9DSBGA | 9DSBGA | 9DSBGA | 9DSBGA | 9DSBGA |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Special Features | Integrated Sense Resistor | Integrated Sense Resistor | Integrated Sense Resistor | Integrated Sense Resistor | Integrated Sense Resistor | Integrated Sense Resistor |
生态计划
| BQ27421YZFR-G1A | BQ27421YZFR-G1B | BQ27421YZFR-G1D | BQ27421YZFT-G1A | BQ27421YZFT-G1B | BQ27421YZFT-G1D | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
应用须知
- Single Cell Gas Gauge Circuit DesignPDF, 154 Kb, 档案已发布: Feb 22, 2008
- Verification and Accuracy Test Methods of Gas GaugesPDF, 51 Kb, 档案已发布: Jun 5, 2013
- Theory and Implementation of Impedance Track Battery Fuel-Gauging AlgorithmPDF, 608 Kb, 档案已发布: 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 LayoutPDF, 403 Kb, 档案已发布: Feb 22, 2008
bq20z70/90 Printed-Circuit Board Layout Guide - Going to Production With the bq274xx Family of Gas GaugesPDF, 1.2 Mb, 档案已发布: 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 SchemePDF, 52 Kb, 档案已发布: Oct 11, 2013
模型线
系列: BQ27421-G1 (6)
制造商分类
- Semiconductors> Power Management> Battery Management Products> Battery Fuel Gauge