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LTC4011EFE PDF预览

LTC4011EFE

更新时间： 2024-01-07 23:09:46
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
24页 228K
描述
High Efficiency Standalone Nickel Battery Charger

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中文翻译

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LTC4011EFE 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：HTSSOP,针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.69
模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER控制技术：PULSE WIDTH MODULATION
最大输入电压：34 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e3长度：6.5 mm
湿度敏感等级：1功能数量：1
端子数量：20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：HTSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：250
认证状态：Not Qualified座面最大高度：1.2 mm
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：615 kHz温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

LTC4011EFE 数据手册

 浏览型号LTC4011EFE的Datasheet PDF文件第2页浏览型号LTC4011EFE的Datasheet PDF文件第3页浏览型号LTC4011EFE的Datasheet PDF文件第4页浏览型号LTC4011EFE的Datasheet PDF文件第5页浏览型号LTC4011EFE的Datasheet PDF文件第6页浏览型号LTC4011EFE的Datasheet PDF文件第7页 
Electrical Specifications Subject to Change  
LTC4011  
High Efficiency Standalone  
Nickel Battery Charger  
U
FEATURES  
DESCRIPTIO  
■
Complete NiMH/NiCd Charger for 1 to 16 Cells  
No Microcontroller or Firmware Required  
The LTC®4011 provides a complete, cost-effective nickel  
battery fast charge solution in a small package using few  
550kHz Synchronous PWM Current Source Controller external components. A 550kHz PWM current source  
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
No Audible Noise with Ceramic Capacitors  
PowerPathTM Control Support  
Programmable Charge Current: 5% Accuracy  
Wide Input Voltage Range: 4.5V to 34V  
Automatic Trickle Precharge  
–∆V Fast Charge Termination  
Optional ∆T/∆t Fast Charge Termination  
Automatic NiMH Top-Off Charge  
Programmable Timer  
controller and all necessary charge initiation, monitoring  
and termination control circuitry are included.  
The LTC4011 automatically senses the presence of a DC  
adapter and battery insertion or removal. Heavily dis-  
charged batteries are precharged with a trickle current.  
TheLTC4011cansimultaneouslyuseboth–∆Vand∆T/∆t  
fast charge termination techniques and can detect various  
battery faults. If necessary, a top-off charge is automati-  
cally applied to NiMH batteries after fast charging is  
completed. The IC will also resume charging if the battery  
self-discharges after a full charge cycle.  
Automatic Recharge  
Multiple Status Outputs  
Micropower Shutdown  
20-Lead Thermally Enhanced TSSOP Package  
U
All LTC4011 charging operations are qualified by actual  
charge time and maximum average cell voltage. Charging  
may also be gated by minimum and maximum tempera-  
ture limits. NiMH or NiCd fast charge termination param-  
eters are pin-selectable.  
APPLICATIO S  
■
Integrated or Standalone Battery Charger  
■
Portable Instruments or Consumer Products  
Integrated PowerPath control support ensures that the  
systemremainspoweredatalltimeswithoutallowingload  
transients to adversely affect charge termination.  
■
Battery-Powered Diagnostics and Control  
■
Back-Up Battery Management  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
PowerPath is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
2A NiMH Battery Charger  
TO  
FROM  
ADAPTER  
SYSTEM  
LOAD  
4.5V TO 34V  
10µF  
Typical NiMH Charge Cycle at 1C  
3k  
INFET  
V
CC  
1.60  
42  
FAULT TGATE  
CHRG  
TOC  
READY  
1.55  
1.50  
40  
BGATE  
10µH  
38  
PGND  
LTC4011  
DCIN  
TIMER  
SINGLE CELL  
VOLTAGE  
SENSE  
1.45  
1.40  
1.35  
1.30  
36  
34  
32  
30  
0.05Ω  
20k  
BATTERY  
TEMPERATURE  
49.9k  
BAT  
10µF  
10k  
GND  
CHEM  
10k  
2A  
1A  
CHARGE  
CURRRENT  
V
V
CDIV  
CELL  
V
RT  
INTV  
V
DD  
TEMP  
TOP OFF  
2-CELL  
1.25  
28  
0.033µF  
0.068µF 30.9k  
10.7k  
NiMH PACK  
WITH 10k NTC  
(2AHr)  
0.1µF  
0
60  
TIME (MINUTES)  
80  
100  
20  
40  
4011 TA01b  
4011 TA01a  
4011p  
1
1234567...24

中文翻译

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