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LT3652IDDTRPBF PDF预览

LT3652IDDTRPBF

更新时间： 2024-01-04 23:39:58
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
26页 255K
描述
Power Tracking 2A Battery Charger for Solar Power

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中文翻译

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LT3652IDDTRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：HTSSOP,
针数：12Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：6.92模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER
控制模式：CURRENT-MODE最大输入电压：32 V
最小输入电压：4.95 V标称输入电压：20 V
JESD-30 代码：R-PDSO-G12JESD-609代码：e3
长度：4.039 mm湿度敏感等级：1
功能数量：1端子数量：12
最高工作温度：125 °C最低工作温度：-40 °C
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）：260认证状态：Not Qualified
座面最大高度：1.1 mm表面贴装：YES
切换器配置：BUCK最大切换频率：1000 kHz
温度等级：AUTOMOTIVE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：30
宽度：3 mmBase Number Matches：1

LT3652IDDTRPBF 数据手册

 浏览型号LT3652IDDTRPBF的Datasheet PDF文件第2页浏览型号LT3652IDDTRPBF的Datasheet PDF文件第3页浏览型号LT3652IDDTRPBF的Datasheet PDF文件第4页浏览型号LT3652IDDTRPBF的Datasheet PDF文件第5页浏览型号LT3652IDDTRPBF的Datasheet PDF文件第6页浏览型号LT3652IDDTRPBF的Datasheet PDF文件第7页 
LT3652  
Power Tracking 2A Battery  
Charger for Solar Power  
FEATURES  
DESCRIPTION  
The LT®3652 is a complete monolithic step-down bat-  
tery charger that operates over a 4.95V to 32V input  
voltage range. The LT3652 provides a constant-current/  
constant-voltage charge characteristic, with maximum  
charge current externally programmable up to 2A. The  
charger employs a 3.3V float voltage feedback reference,  
so any desired battery float voltage up to 14.4V can be  
programmed with a resistor divider.  
n
Input Supply Voltage Regulation Loop for Peak  
Power Tracking in (MPPT) Solar Applications  
n
Wide Input Voltage Range: 4.95V to 32V (40V Abs Max)  
n
Programmable Charge Rate Up to 2A  
n
User Selectable Termination: C/10 or On-Board  
Termination Timer  
n
Resistor Programmable Float Voltage Up to 14.4V  
Accommodates Li-Ion/Polymer, LiFePO , SLA,  
4
NiMH/NiCd Chemistries  
TheLT3652employsaninputvoltageregulationloop,which  
reduces charge current if the input voltage falls below a  
programmed level, set with a resistor divider. When the  
LT3652 is powered by a solar panel, the input regulation  
loop is used to maintain the panel at peak output power.  
n
No V Blocking Diode Required for Battery  
IN  
Voltages ≤ 4.2V  
1MHz Fixed Frequency  
n
n
n
n
n
n
0.5% Float Voltage Reference Accuracy  
5% Charge Current Accuracy  
2.5% C/10 Detection Accuracy  
Binary-Coded Open-Collector Status Pins  
3mm × 3mm DFN12 or MSOP-12 Packages  
The LT3652 can be configured to terminate charging  
when charge current falls below 1/10 of the programmed  
maximum(C/10).Oncechargingisterminated,theLT3652  
enters a low-current (85μA) standby mode. An auto-re-  
charge feature starts a new charging cycle if the battery  
voltage falls 2.5% below the programmed float voltage.  
The LT3652 also contains a programmable safety timer,  
used to terminate charging after a desired time is reached.  
This allows top-off charging at currents less than C/10.  
APPLICATIONS  
n
Solar Powered Applications  
n
Remote Monitoring Stations  
n
LiFePO (Lithium Phosphate) Applications  
4
n
n
Portable Handheld Instruments  
12V to 24V Automotive Systems  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Solar Panel Input Voltage  
Regulation, Tracks Max Power  
Point to Greater Than 98%  
TYPICAL APPLICATION  
2A Solar Panel Power Manager With 7.2V LiFePO4 Battery  
and 17V Peak Power Tracking  
22  
CMSH1-40MA  
T
= 25°C  
A
SOLAR PANEL INPUT  
(<40V OC VOLTAGE)  
SYSTEM LOAD  
CMSH3-40MA  
20  
18  
16  
14  
12  
10  
CMSH3-40MA  
10μF  
530k  
100% TO 98% PEAK POWER  
98% TO 95% PEAK POWER  
SW  
V
IN  
LT3652  
IN_REG  
1μF  
10μH  
0.05  
V
BOOST  
SENSE  
BAT  
SHDN  
CHRG  
FAULT  
TIMER  
100k  
10μF  
542k  
NTC  
V
FB  
459k  
+
10k  
B = 3380  
0.2  
0.6 0.8  
1
1.2 1.4 1.6 1.8  
2
0.4  
CHARGER OUTPUT CURRENT (A)  
3652 TA01b  
2-CELL LiFePO (2 × 3.6V) BATTERY PACK  
4
3652 TA01a  
3652fb  
1
1234567...26

中文翻译

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