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BQ2054PN

更新时间： 2024-10-27 22:48:27
品牌 Logo 应用领域
德州仪器 - TI 电池光电二极管
页数 文件大小 规格书
16页 150K
描述
Lithium Ion Fast-Charge IC

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中文翻译

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BQ2054PN 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：DIP
包装说明：DIP,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：1.06Samacsys Description：BQ2054PN, Battery Charge Controller, Lithium-Ion, 16-Pin PDIP
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
控制模式：CURRENT/VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：4.5 V
标称输入电压：5 VJESD-30 代码：R-PDIP-T16
JESD-609代码：e4长度：19.18 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：-20 °C最大输出电流：0.005 A
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：4.57 mm最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.5 V标称供电电压 (Vsup)：5 V
表面贴装：NO切换器配置：PUSH-PULL
最大切换频率：100 kHz温度等级：OTHER
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm

BQ2054PN 数据手册

 浏览型号BQ2054PN的Datasheet PDF文件第2页浏览型号BQ2054PN的Datasheet PDF文件第3页浏览型号BQ2054PN的Datasheet PDF文件第4页浏览型号BQ2054PN的Datasheet PDF文件第5页浏览型号BQ2054PN的Datasheet PDF文件第6页浏览型号BQ2054PN的Datasheet PDF文件第7页 
bq2054  
Lithium Ion Fast-Charge IC  
figured limits. If the battery voltage  
General Description  
Features  
is less than the low-voltage thresh-  
old, the bq2054 provides low-current  
conditioning of the battery.  
The bq2054 Lithium Ion Fast-  
Charge IC is designed to optimize  
charging of lithium ion (Li-Ion)  
chemistry batteries. A flexible  
pulse-width modulation regulator  
allows the bq2054 to control voltage  
and current during charging. The  
regulator frequency is set by an ex-  
ternal capacitor for design flexibility.  
The switch-mode design keeps  
power dissipation to a minimum.  
➤ Safe charge of Lithium Ion bat-  
tery packs  
A constant current-charging phase re-  
plenishes up to 70% of the charge ca-  
pacity, and a voltage-regulated phase  
returns the battery to full. The charge  
cycle terminates when the charging  
current falls below a user-selectable  
current limit. For safety, charging ter-  
minates after maximum time and is  
suspended if the temperature is out-  
side the preconfigured limits.  
➤ Voltage-regulated current-  
limited charging  
➤ Fast charge terminated by se-  
lectable minimum current; safety  
backup termination on maximum  
time  
➤ Charging continuously qualified  
by temperature and voltage lim-  
its  
The bq2054 measures battery tem-  
perature using an external thermis-  
tor for charge qualification. Charging  
begins when power is applied or on  
battery insertion.  
The bq2054 provides status indica-  
tions of all charger states and faults  
for accurate determination of the  
battery and charge system condi-  
tions.  
➤ Pulse-width modulation control  
ideal for high-efficiency switch-  
mode power conversion  
For safety, the bq2054 inhibits  
charging until the battery voltage  
and temperature are within con-  
➤ Direct LED control outputs dis-  
play charge status and fault con-  
ditions  
Pin Connections  
Pin Names  
TPWM  
LED3  
LCOM  
VSS  
Regulator timebase input  
Charge status output 3  
Common LED output  
System ground  
TM  
Time-out programming  
input  
ICTL  
Inrush current control  
output  
TM  
ICTL  
1
2
3
4
5
6
16  
15  
14  
13  
12  
11  
LED /DSEL  
2
LED  
1
BAT  
Battery voltage input  
BAT  
MOD  
VCC  
5.0V 10% power  
VCOMP  
ICOMP  
ITERM  
Voltage loop comp input  
Current loop comp input  
VCOMP  
ICOMP  
V
CC  
SS  
MOD  
LED1  
Modulation control output  
Charge status output 1  
V
I
LCOM  
LED  
TERM  
SNS  
TS  
Minimum current  
termination select input  
7
8
10  
9
3
LED2/  
DSEL  
Charge status output 2/  
Display select input  
TPWM  
SNS  
TS  
Sense resistor input  
16-Pin Narrow  
DIP or SOIC  
Temperature sense input  
PN205401.eps  
6/99 H  
1
1234567...16

中文翻译

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