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LT3652HVEMSE#PBF

更新时间： 2024-02-03 00:37:42
品牌 Logo 应用领域
凌特 - Linear 电池光电二极管
页数 文件大小 规格书
24页 478K
描述
LT3652HV - Power Tracking 2A Battery Charger; Package: MSOP; Pins: 12; Temperature Range: -40°C to 85°C

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LT3652HVEMSE#PBF 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：2.87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：34 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：85 °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）：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：OTHER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：3 mmBase Number Matches：1

LT3652HVEMSE#PBF 数据手册

 浏览型号LT3652HVEMSE#PBF的Datasheet PDF文件第2页浏览型号LT3652HVEMSE#PBF的Datasheet PDF文件第3页浏览型号LT3652HVEMSE#PBF的Datasheet PDF文件第4页浏览型号LT3652HVEMSE#PBF的Datasheet PDF文件第5页浏览型号LT3652HVEMSE#PBF的Datasheet PDF文件第6页浏览型号LT3652HVEMSE#PBF的Datasheet PDF文件第7页 
LT3652HV  
Power Tracking 2A Battery  
Charger  
FEATURES  
DESCRIPTION  
The LT®3652HV is a complete monolithic step-down bat-  
tery charger that operates over a 4.95V to 34V input range.  
The LT3652HV 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 18V 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 34V (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 18V  
Accommodates 4-Cell Li-Ion/Polymer, 5-Cell  
LiFePO , Lead-Acid Chemistries  
4
The LT3652HV employs an input voltage regulation loop,  
whichreduceschargecurrentiftheinputvoltagefallsbelow  
a programmed level, set with a resistor divider. When the  
LT3652HV is powered by a solar panel, the input regulation  
loop is used to maintain the panel at peak output power.  
n
n
n
n
n
n
n
Parallelable for Higher Output Current  
1MHz Fixed Frequency  
0.5% Float Voltage Reference Accuracy  
5% Charge Current Accuracy  
2.5% C/10 Detection Accuracy  
Binary-Coded Open-Collector Status Pins  
Thermally Enhanced 3mm × 3mm DFN and MSE  
Packages  
TheLT3652HVcanbeconfiguredtoterminatechargingwhen  
chargecurrentfallsbelow1/10oftheprogrammedmaximum  
(C/10). Oncechargingisterminated, theLT3652HVentersa  
low-current(85µA)standbymode.Anauto-rechargefeature  
starts a new charging cycle if the battery voltage falls 2.5%  
below the programmed float voltage. The LT3652HV 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
Portable Handheld Instruments  
12V to 24V Automotive Systems  
Battery Charging from Current Limited Adapter  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
PowerPath is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
n
TYPICAL APPLICATION  
VIN_REG Loop Servos Maximum Charge Current to Prevent AC Adapter Output from  
Drooping Lower Than 24V 5-Cell LiFePO4 Charger (18V at 1.5A) with C/10 Termination  
Powered by Inexpensive 24VDC/1A Unregulated Wall Adapter.  
1A/24VDC Unregulated Adapter  
I vs V Characteristic  
36  
33  
30  
27  
D3  
MBRS340  
MBRS340  
AC ADAPTER  
INPUT  
24VDC AT 1A  
SW  
V
V
IN  
LT3652HV  
10V  
750k  
10µF  
1µF  
1N4148  
20µH  
0.068  
IN_REG  
BOOST  
SENSE  
BAT  
44.2k  
24  
21  
18  
15  
12  
SHDN  
SYSTEM  
LOAD  
51.1k  
CHRG  
FAULT  
TIMER  
665k  
150k  
NTC  
+
127k  
10µF  
V
FB  
3652 TA01a  
0
0.2  
0.6 0.8  
1
1.2 1.4 1.6 1.8  
2
0.4  
R1  
10K  
ADAPTER OUTPUT CURRENT (A)  
5-CELL LiFePO PACK  
4
B = 3380  
3652 TA01b  
(18V FLOAT)  
3652hvfb  
1
For more information www.linear.com/LT3652HV  
1234567...24

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