BQ27000 单节锂电池和锂聚合物电池电量监测计 IC
BQ27000 描述
The bqJUNIORTM series are highly accurate stand-alone single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting devices targeted at space-limited, portable applications. The IC monitors a voltage drop across a small current sense resistor connected in series with the battery to determine charge and discharge activity of the battery. Compensations for battery age, temperature, self-discharge, and discharge rate are applied to the capacity measurments to provide available time-to-empty information across a wide range of operating conditions. Battery capacity is automatically recalibrated, or learned, in the course of a discharge cycle from full to empty. Internal registers include current, capacity, time-to-empty, state-of-charge, cell temperature and voltage, status, and more.
|
BQ27000 |
BQ27010 |
BQ27200 |
BQ27210 |
| Battery Capacity(Min)(mAh) |
300 |
300 |
300 |
300 |
| Battery Capacity(Max)(mAh) |
6000 |
6000 |
10000 |
6000 |
| Communication Interface |
HDQ |
HDQ |
I2C |
I2C |
| # Series Cells |
1,2 |
1,2 |
1,2 |
1,2 |
| Pin/Package |
10VSON |
10VSON |
10VSON |
10VSON |
| Approx. Price (US$) |
1.15 | 1ku |
1.25 | 1ku |
1.15 | 1ku |
1.25 | 1ku |
| Operating Temperature Range(°C) |
-20 to 70 |
|
-20 to 70 |
-20 to 70 |
| Implementation |
Pack |
Pack |
Pack |
Pack |
BQ27000 特性
- HDQ (bq27000) or I2C (bq27200) Communication
- Reports Accurate Time-to-Empty With Measured Load and Historical Maximum and Standby Loads
- Reports Temperature, Voltage, and Current
- High Accuracy Charge and Discharge Current Integration with Automatic Offset Calibration
- Requires No User Calibration
- Programmable Input/Output Port
- Internal User EEPROM Configuration Memory
- Automatic Capacity Reduction With Age
- Stable Oscillator Without External Components
- Dynamic End-of-Discharge Detection Delay to Allow Use in a High-Dynamic Load Environment
- Automatic Sleep Mode When Communication Lines are Low
- Available in a Small 3 mm x 4 mm QFN Package
- Five Low-Power Operating Modes
- Active: < 90 uA
- Sleep: < 2.5 uA
- Ship: < 2 uA (bq27000 only)
- Hibernate: < 1.5 uA
- Data Retention: < 20 nA
- APPLICATIONS
BQ27000 芯片订购指南
| 器件 |
状态 |
温度 (oC) |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| BQ27000DRKR |
ACTIVE |
-20 to 70 |
1.25 | 1ku |
VSON (DRK) | 10 |
3000 | LARGE T&R |
BZM |
| BQ27000DRKRG4 |
ACTIVE |
-20 to 70 |
1.25 | 1ku |
VSON (DRK) | 10 |
3000 | LARGE T&R |
BZM |
BQ27000 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| BQ27000DRKR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ27000DRKR |
BQ27000DRKR |
| BQ27000DRKRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ27000DRKRG4 |
BQ27000DRKRG4 |
BQ27000 应用技术支持与电子电路设计开发资源下载
- BQ27000 数据资料 dataSheet 下载.PDF
- TI 德州仪器电池管理产品选型与价格 . xls
- 照明和显示屏电源选择指南 (PDF 1427 KB)
- QFN Layout Guidelines (PDF 1279 KB)
- 笔记本电脑指南 (Rev. A) (PDF 2774 KB)
- 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)
(PDF 2206 KB)
- PowerPADTM Made Easy (PDF 57 KB)
- 标准线性产品交叉参考 (Rev. D)
(PDF 1058 KB)
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
BQ27000 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| BQ27000 评估模块 |
BQ27000EVM |
Texas Instruments |
开发电路板/EVM |
| 用于基于 BQ27000 BQ27200 的电路板的测试系统 |
BQ27X00-TESTER |
Texas Instruments |
开发电路板/EVM |
| 用于电池电量监测评估的、基于 USB 的 PC 接口板 |
EV2300 |
Texas Instruments |
开发电路板/EVM |