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LTC1732EMS-4.2#PBF PDF预览

LTC1732EMS-4.2#PBF

更新时间: 2024-09-24 13:09:47
品牌 Logo 应用领域
凌特 - Linear 电源电路电池电源管理电路光电二极管控制器
页数 文件大小 规格书
8页 152K
描述
LTC1732-4 & 4.2 - Lithium-Ion Linear Battery Charger Controller; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

LTC1732EMS-4.2#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:TSSOP,
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.45Is Samacsys:N
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER最大输入电压:12 V
最小输入电压:4.5 V标称输入电压:6 V
JESD-30 代码:S-PDSO-G10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, 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:SINGLE温度等级:INDUSTRIAL
端子面层:Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LTC1732EMS-4.2#PBF 数据手册

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Final Electrical Specifications  
LTC1732-4/LTC1732-4.2  
Lithium-Ion Linear  
Battery Charger Controller  
October 2000  
U
FEATURES  
DESCRIPTIO  
The LTC®1732 is a complete constant-current/constant-  
voltage linear charge controller for lithium-ion  
(Li-Ion)batteries.Nickel-cadmium(NiCd)andnickelmetal-  
hydride (NiMH) batteries can also be charged with con-  
stant current using external termination. Charge current  
can be programmed with 7% (max) accuracy using exter-  
nal sense and program resistors. An internal resistor  
divider and precision reference set the final float voltage  
with 1% accuracy. The SEL pin allows users to charge  
either 4.1V or 4.2V cells.  
Complete Linear Charger Controller for 1-Cell  
Lithium-Ion Batteries  
Preset Charge Voltage with 1% Accuracy  
4.5V to 12V Input Voltage Range  
Programmable Charge Current  
C/10 Charge Current Detection Output  
Programmable Charge Termination Timer  
Small, Thin 10-Pin MSOP Package  
Select Pin to Charge Either 4.1V or  
4.2V Cells (LTC1732-4)  
Automatic Sleep Mode When Input Supply  
Whentheinputsupplyisremoved,theLTC1732automati-  
callyentersalowcurrentsleepmode,droppingthebattery  
drain current to 7µA. An internal comparator detects the  
end-of-charge (C/10) condition while a programmable  
timer, using an external capacitor, sets the total charge  
time.Fullydischargedcellsareautomaticallytricklecharged  
at 10% of the programmed current until cell voltage  
exceeds 2.457V.  
is Removed (Only 7µA Battery Drain)  
Automatic Trickle Charge of Low Voltage Cells  
Programmable for Constant-Current-Only Mode  
Battery Insertion Detect and Automatic Charging  
of Low-Battery Cell  
Input Supply (Wall Adapter) Detection Output  
4.05V Recharge Threshold for 4.2V Cells  
(LTC1732-4.2)  
TheLTC1732beginsanewchargecyclewhenadischarged  
batteryisconnectedtothechargerorwhentheinputpower  
is applied. In addition, if the battery remains connected to  
the charger and the cell voltage drops below 3.8V for the  
LTC1732-4 or below 4.05V for the LTC1732-4.2, a new  
charge cycle will begin.  
3.8V Recharge Threshold for 4.1V or 4.2V Cells  
(LTC1732-4)  
U
APPLICATIONS  
Cellular Phones  
Handheld Computers  
The LTC1732 is available in the 10-pin MSOP package.  
Charging Docks and Cradles  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Single Cell 4.2V Li-Ion Battery Charger  
V
IN  
= 6V  
MBRM120T3  
8
2
SEL  
R2  
1k  
R
SENSE  
V
1µF  
CC  
0.2Ω  
9
7
R1  
1k  
SENSE  
DRV  
3
Q1  
Si9430DY  
CHRG  
ACPR  
LTC1732-4  
I
= 500mA  
BAT  
10  
4
1
6
BAT  
TIMER PROG  
C
TIMER  
0.1µF  
4.2V  
Li-Ion  
CELL  
GND  
5
+
R
*
PROG  
19.6k  
10µF  
1732 TA01  
*SHUTDOWN INVOKED BY FLOATING THE PROG PIN  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1

LTC1732EMS-4.2#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC1732EMS-4.2#TRPBF Linear

完全替代

LTC1732-4 & 4.2 - Lithium-Ion Linear Battery Charger Controller; Package: MSOP; Pi

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