BQ2050H 具有高速 1 线 (HDQ) 接口和 5 个 LED 驱动器的锂电池电量监测计
BQ2050H 描述
The bq2050H Lithium Ion Power GaugeTM IC is intended for battery pack or in-system installation to maintain an accurate record of available battery capacity. The IC monitors a voltage drop across a sense resistor connected in series between the negative battery terminal and ground to determine charge and discharge activity of the battery. Compensations for battery temperature, self discharge, and rate of discharge are applied to the charge counter to provide available capacity 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.
Nominal available capacity may be directly indicated using a five-segment LED display
|
BQ2050H |
| Battery Capacity(Min)(mAh) |
500 |
| Battery Capacity(Max)(mAh) |
6000 |
| Communication Interface |
HDQ |
| Pin/Package |
16SOIC |
| Approx. Price (US$) |
3.70 | 1ku |
| Operating Temperature Range(°C) |
0 to 70 |
| Implementation |
Pack |
BQ2050H 特性
- Accurate measurement of available capacity in Lithium Ion batteries
- Provides a low-cost battery management solution for pack integration
- Complete circuit can fit in as little as 1/2 square inch of PCB
- Low operating current (120uA typical)
- Less than 100nA of data retention current
- High-speed (5kb) single-wire communication interface (HDQ bus) for critical battery parameters
- Monitors and controls charge FET in Li-Ion pack protection circuit
- Direct drive of remaining capacity LEDs
- Measurements automatically compensated for rate and temperature
- 16-pin narrow SOIC
BQ2050H 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 |
| BQ2050HSN-A508 |
ACTIVE |
0 to 70 |
4.40 | 1ku |
SOIC (D) | 16 |
40 | TUBE |
|
| BQ2050HSN-A508G4 |
ACTIVE |
0 to 70 |
4.40 | 1ku |
SOIC (D) | 16 |
40 | TUBE |
|
| BQ2050HSN-A508TR |
ACTIVE |
0 to 70 |
3.70 | 1ku |
SOIC (D) | 16 |
2500 | LARGE T&R |
|
| BQ2050HSN-A508TRG4 |
ACTIVE |
0 to 70 |
3.70 | 1ku |
SOIC (D) | 16 |
2500 | LARGE T&R |
|
BQ2050H 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 |
| BQ2050HSN-A508 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ2050HSN-A508 |
BQ2050HSN-A508 |
| BQ2050HSN-A508G4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ2050HSN-A508G4 |
BQ2050HSN-A508G4 |
| BQ2050HSN-A508TR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ2050HSN-A508TR |
BQ2050HSN-A508TR |
| BQ2050HSN-A508TRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ2050HSN-A508TRG4 |
BQ2050HSN-A508TRG4 |
BQ2050H 应用技术支持与电子电路设计开发资源下载
- BQ2050H 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)
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