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BQ2058TRSN PDF预览

BQ2058TRSN

更新时间: 2024-11-12 23:16:23
品牌 Logo 应用领域
德州仪器 - TI 电源电路电池电源管理电路光电二极管
页数 文件大小 规格书
18页 100K
描述
Lithium Ion Pack Supervisor For 2-Cell Packs

BQ2058TRSN 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:0.150 INCH, SOIC-16
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.89Is Samacsys:N
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G16长度:9.9 mm
信道数量:2功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:-30 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.04 mA最大供电电压 (Vsup):9 V
最小供电电压 (Vsup):4 V表面贴装:YES
技术:CMOS温度等级:OTHER
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

BQ2058TRSN 数据手册

 浏览型号BQ2058TRSN的Datasheet PDF文件第2页浏览型号BQ2058TRSN的Datasheet PDF文件第3页浏览型号BQ2058TRSN的Datasheet PDF文件第4页浏览型号BQ2058TRSN的Datasheet PDF文件第5页浏览型号BQ2058TRSN的Datasheet PDF文件第6页浏览型号BQ2058TRSN的Datasheet PDF文件第7页 
bq2058T  
Lithium Ion Pack Supervisor  
For 2-Cell Packs  
charge to the battery pack. This safety  
Features  
General Description  
feature prevents overcharge of any cell  
within the battery pack. After an over-  
voltage condition occurs, each cell must  
fall below VCE (charge enable voltage)  
for the bq2058T to re-enable charging.  
Protects and individually moni-  
tors two Li-Ion series cells for  
overvoltage, undervoltage  
The bq2058T Lithium Ion Pack Su-  
pervisor is designed to control the  
charge and discharge cell voltage lim-  
its for two lithium-ion (Li-Ion) series  
cells, accommodating battery packs  
containing series/parallel configura-  
tions. The low operating current does  
not overdischarge the cells during pe-  
riods of storage and does not signifi-  
cantly increase the system discharge  
load. The bq2058T can be part of a  
low-cost Li-Ion charge control system  
within the battery pack.  
Monitors pack for overcurrent  
The bq2058T protects batteries from  
overdischarge. If the voltage on any  
cell falls below VUV (undervoltage  
limit) for a user-configurable delay pe-  
riod (tUVD), the DSG output is driven  
low, shutting off the battery discharge.  
This safety feature prevents overdis-  
charge of any cell within the battery  
pack.  
Designed for battery pack inte-  
gration  
Minimal external components  
Drives external FET switches  
S elect a ble over volt a ge (VOV  
)
thresholds  
The bq2058T controls two external  
FETs to limit the charge and discharge  
potentials. The bq2058T allows charg-  
ing when each individual cell voltage is  
below VOV (overvoltage limit). If the  
voltage on any cell exceeds VOV for a  
user-configurable delay period (tOVD),  
the open-drain CHG pin goes to the  
high-impedance state, shutting off  
The bq2058T also stops discharge on  
detection of an overcurrent condition,  
such as a short circuit. If an overcur-  
r en t con dit ion occu r s for a u ser-  
configurable delay period (tOCD), the  
DSG output is driven low, disconnect-  
ing the load from the pack. DSG re-  
mains low until removal of the short  
circuit or overcurrent condition.  
- Mask programmable by  
Benchmarq  
- Standard version–4.25V  
Supply current: 12µA typical  
Sleep current: 0.7µA typical  
16-pin 150-mil narrow SOIC  
Pin Names  
Pin Connections  
DSG  
UVD  
OVD  
OCD  
VCC  
Discharge control output  
Undervoltage delay input  
Overvoltage delay input  
Overcurrent delay input  
High potential input  
CHG  
CTL  
VSS  
Charge control output  
Pack disable input  
Low potential input  
CHG  
CTL  
1
2
3
4
5
6
16  
15  
14  
13  
12  
11  
DSG  
V
CC  
V
SS  
UVD  
OVD  
OCD  
CSL  
CSL  
Overcurrent sense low-side  
input  
BAT  
2N  
BAT  
2N  
V
CC  
BAT2N  
BAT1N  
Battery 2 negative input  
Battery 1 negative input  
CSH  
Overcurrent sense high-side  
input  
BAT  
BAT  
7
8
10  
9
CSH  
2N  
BAT  
1P  
1N  
BAT1P  
Battery 1 positive input  
16-Pin Narrow SOIC  
PN2058T1.eps  
July 1997  
1

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