BQ24087 具有热调节的 750mA 单片锂离子/锂聚合物充电管理 IC
BQ24087 描述
The bq24085/6/7/8 series are highly integrated Li-Ion and Li-Pol linear chargers, targeted at space-limited portable applications. The bq24085/6/7/8 series offers a variety of safety features and functional options, while still implementing a complete charging system in a small package. The battery is charged in three phases: conditioning, constant or thermally regulated current, and constant voltage. Charge is terminated based on minimum current. An internal programmable charge timer provides a backup safety feature for charge termination and is dynamically adjusted during the thermal regulation phase. The bq24085/6/7/8 automatically restarts the charge if the battery voltage falls below an internal threshold; sleep mode is set when the external input supply is removed.
|
BQ24085 |
BQ24086 |
BQ24087 |
BQ24088 |
| # Series Cells |
1 |
1 |
1 |
1 |
| Charge Current(Max)(A) |
0.75 |
0.75 |
0.750 |
0.75 |
| Primary Charge Termination Method |
C/10 with Enable pin |
C/10 with Enable pin |
C/10 with Enable pin |
C/10 with Enable pin |
| Pin/Package |
10SON |
10SON |
10SON |
10SON |
| Vin(Max)(V) |
18 |
18 |
18 |
18 |
| Battery Charge Voltage(V) |
4.2 |
4.2 |
4.2 |
4.2 |
BQ24087 特性
- Ideal for Low-Dropout Designs for Single-Cell Li-Ion or Li-Pol Packs in Space Limited Applications
- Integrated Power FET and Current Sensor for up to 750-mA Charge Applications
- Reverse Leakage Protection Prevents Battery Drainage
- ±0.5% Voltage Regulation Accuracy
- Thermal Regulation Maximizes Charge Rate
- Charge Termination by Minimum Current and Time
- Precharge Conditioning With Safety Timer
- Status Outputs for LED or System Interface Indicate Charge, Fault, and Power Good Outputs
- Short-Circuit and Thermal Protection
- Automatic Sleep Mode for Low Power Consumption
- Small 3×3 mm MLP Package
- Selectable Battery Insertion and Battery Absent Detection
- Input Overvoltage Protection
- APPLICATIONS
- PDA, MP3 Players, Digital Cameras
- Internet Appliances and Handheld Devices
BQ24087 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 |
| BQ24087DRCR |
ACTIVE |
0 to 125 |
0.95 | 1ku |
SON (DRC) | 10 |
3000 | LARGE T&R |
CHE |
| BQ24087DRCRG4 |
ACTIVE |
0 to 125 |
0.95 | 1ku |
SON (DRC) | 10 |
3000 | LARGE T&R |
CHE |
| BQ24087DRCT |
ACTIVE |
0 to 125 |
1.10 | 1ku |
SON (DRC) | 10 |
250 | SMALL T&R |
CHE |
| BQ24087DRCTG4 |
ACTIVE |
0 to 125 |
1.10 | 1ku |
SON (DRC) | 10 |
250 | SMALL T&R |
CHE |
BQ24087 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 |
| BQ24087DRCR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ24087DRCR |
BQ24087DRCR |
| BQ24087DRCRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ24087DRCRG4 |
BQ24087DRCRG4 |
| BQ24087DRCT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ24087DRCT |
BQ24087DRCT |
| BQ24087DRCTG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
BQ24087DRCTG4 |
BQ24087DRCTG4 |
BQ24087 应用技术支持与电子电路设计开发资源下载
- BQ24087 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)
- PowerPAD™ 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)
BQ24087 相关工具
