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BQ2014HSN PDF预览

BQ2014HSN

更新时间： 2024-10-27 22:16:07
品牌 Logo 应用领域
德州仪器 - TI 电池光电二极管仪表
页数 文件大小 规格书
22页 185K
描述
Low-Cost NiCd/NiMH Gas Gauge IC

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中文翻译

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BQ2014HSN 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOIC-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.11Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：413603
Samacsys Pin Count：16Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：SOIC127P600X175-16N
Samacsys Released Date：2017-01-12 12:59:53Is 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-G16JESD-609代码：e4
长度：9.97 mm湿度敏感等级：2
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封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.78 mm
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
温度等级：COMMERCIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
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

BQ2014HSN 数据手册

 浏览型号BQ2014HSN的Datasheet PDF文件第2页浏览型号BQ2014HSN的Datasheet PDF文件第3页浏览型号BQ2014HSN的Datasheet PDF文件第4页浏览型号BQ2014HSN的Datasheet PDF文件第5页浏览型号BQ2014HSN的Datasheet PDF文件第6页浏览型号BQ2014HSN的Datasheet PDF文件第7页 
Preliminary bq2014H  
Low-Cost NiCd/NiMH Gas Gauge IC  
bidirectional serial link to an exter-  
nal processor (common ground). The  
Features  
General Description  
5kb/s HDQ bus interface reduces  
communications overhead in the  
external microcontroller.  
➤ Accurate measurement of avail-  
able capacity in NiCd or NiMH  
batteries  
The bq2014H NiCd/NiMH Gas  
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.  
Internal registers include available  
capacity and energy, temperature,  
voltage and current, and battery  
status. The external processor may  
also overwrite some of the bq2014H  
gas gauge data registers.  
➤ Low-cost battery management so-  
lution for pack integration  
1
- As little as 2 square inch of  
PCB for complete circuit  
- Low operating current (120µA  
typical)  
The bq2014H 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.  
- Less than 100nA of data  
retention current  
➤ High-speed (5kb/s) single-wire  
communication interface (HDQ  
bus) for critical battery  
parameters  
➤ Communication with an external  
charge controller such as the  
bq2004  
Nominal available capacity may be  
directly indicated using a five-  
segment LED display. The bq2014H  
also supports a simple single-line  
➤ Direct drive of remaining capacity  
LEDs  
➤ Automatic rate and temperature  
compensation of measurements  
➤ 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  
SEG /PROG  
1
2
3
4
5
6
16  
15  
14  
13  
12  
11  
V
CC  
DISP  
SB  
REF  
NC  
1
1
SEG2/PROG2 LED segment 2/  
program 2 input  
SEG /PROG  
2
2
SEG /PROG  
HDQ  
RBI  
SB  
3
3
SEG3/PROG3 LED segment 3/  
program 3 input  
RBI  
HDQ  
SEG /PROG  
4
4
Serial communications  
input/output  
SEG /PROG  
SEG4/PROG4 LED segment 4/  
program 4 input  
5
5
DONE  
7
8
10  
9
DISP  
SR  
NC  
No connect  
SEG5/PROG5 LED segment 5/  
program 5 input  
V
SS  
REF  
VCC  
Voltage reference output  
Supply voltage  
16-Pin Narrow SOIC  
DONE  
Charge complete  
input  
PN20140H..eps  
SLUS030–JUNE 1999  
1
1234567...22

中文翻译

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BQ2014HSN 替代型号

型号 品牌 替代类型 描述 数据表
BQ2010SN-D107 TI

完全替代

 Gas Gauge IC
BQ2013HSN-A514 TI

完全替代

 Gas Gauge IC for Power- Assist Applications
BQ2014SN-D120 TI

完全替代

 Gas Gauge IC with External Charge Control

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