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BQ2050HSN PDF预览

BQ2050HSN

更新时间： 2024-10-27 22:48:27
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路光电二极管仪表
页数 文件大小 规格书
25页 232K
描述
Low-Cost Lithium Ion Power Gauge IC

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中文翻译

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BQ2050HSN 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：0.150 INCH, SOIC-16针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.68
Is Samacsys：N可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G16
长度：9.9 mm信道数量：1
功能数量：1端子数量：16
最高工作温度：70 °C最低工作温度：
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电源：2.5/6.5 V
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)：0.25 mA
最大供电电压 (Vsup)：6.5 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：4.25 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9 mm
Base Number Matches：1

BQ2050HSN 数据手册

 浏览型号BQ2050HSN的Datasheet PDF文件第2页浏览型号BQ2050HSN的Datasheet PDF文件第3页浏览型号BQ2050HSN的Datasheet PDF文件第4页浏览型号BQ2050HSN的Datasheet PDF文件第5页浏览型号BQ2050HSN的Datasheet PDF文件第6页浏览型号BQ2050HSN的Datasheet PDF文件第7页 
bq2050H  
Low-Cost Lithium Ion Power Gauge™ IC  
ments are used to graphically indi-  
cate available capacity. The  
Features  
General Description  
bq2050H also supports a simple  
single-line bidirectional serial link  
to an external processor (common  
ground). The 5kb HDQ bus interface  
reduces communications overhead  
in the external microcontroller.  
➤ Accurate measurement of avail-  
able capacity in Lithium Ion bat-  
teries  
The bq2050H Lithium Ion Power  
Gauge™ 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 termi-  
nal and ground to determine  
charge and discharge activity of  
the battery. Compensations for bat-  
tery temperature, self discharge,  
and rate of discharge are applied to  
the charge counter to provide avail-  
able capacity information across a  
wide range of operating conditions.  
Battery capacity is automatically re-  
calibrated, or “learned,” in the  
course of a discharge cycle from full  
to empty.  
➤ Provides a low-cost battery man-  
agement solution for pack  
integration  
Internal registers include available  
capacity, temperature, scaled avail-  
able energy, battery ID, battery  
status, and Li-Ion charge FET  
status. The external processor may  
also overwrite some of the bq2050H  
power gauge data registers.  
- Complete circuit can fit in as  
1
little as 2 square inch of PCB  
- Low operating current (120µA  
typical)  
- Less than 100nA of data  
retention current  
The bq2050H can operate from the  
batteries in the pack. The REF out-  
put and an external transistor allow  
a simple, inexpensive voltage regu-  
lator to supply power to the circuit  
from the cells.  
➤ High-speed (5kb) single-wire  
communication interface (HDQ  
bus) for critical battery  
parameters  
➤ Monitors and controls charge FET  
in Li-Ion pack protection circuit  
Nominal available capacity may be  
directly indicated using a five-  
segment LED display. These seg-  
➤ Direct drive of remaining capacity  
LEDs  
➤ Measurements automatically  
compensated for rate and  
temperature  
➤ 16-pin narrow SOIC  
Pin Connections  
Pin Names  
LCOM  
LED common output  
VSS  
System ground  
SEG1/PROG1 LED segment 1/  
program 1 input  
SR  
Sense resistor input  
Display control input  
Battery sense input  
Register backup input  
LCOM  
1
2
3
4
5
6
16  
15  
14  
13  
12  
11  
V
CC  
DISP  
SB  
SEG /PROG  
REF  
PSTAT  
HDQ  
RBI  
1
1
SEG2/PROG2 LED segment 2/  
program 2 input  
SEG /PROG  
2
2
SEG /PROG  
SEG3/PROG3 LED segment 3/  
program 3 input  
RBI  
HDQ  
3
3
SEG /PROG  
4
4
Serial communications  
input/output  
SEG /PROG  
SB  
SEG4/PROG4 LED segment 4/  
program 4 input  
5
5
CFC  
7
8
10  
9
DISP  
SR  
PSTAT  
REF  
Protector status input  
Voltage reference output  
Supply voltage  
V
SS  
SEG5/PROG5 LED segment 5/  
program 5 input  
16-Pin Narrow SOIC  
PN2050H1.eps  
CFC  
Charge FET control  
output  
VCC  
SLUS150–MAY 1999 D  
1
1234567...25

中文翻译

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