5秒后页面跳转
LTC4052EMS8E-4.2 PDF预览

LTC4052EMS8E-4.2

更新时间: 2024-11-18 05:43:59
品牌 Logo 应用领域
凌特 - Linear 电源电路电池电源管理电路脉冲光电二极管过电流保护
页数 文件大小 规格书
12页 167K
描述
Lithium-Ion Battery Pulse Charger with Overcurrent Protection

LTC4052EMS8E-4.2 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:MSOP包装说明:PLASTIC, MSOP-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.16可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:8
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:TSSOP
封装等效代码:TSSOP8,.19封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):235
电源:6 V认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Power Management Circuits
最大供电电流 (Isup):1.4 mA最大供电电压 (Vsup):10 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):6 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
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:20
宽度:3 mmBase Number Matches:1

LTC4052EMS8E-4.2 数据手册

 浏览型号LTC4052EMS8E-4.2的Datasheet PDF文件第2页浏览型号LTC4052EMS8E-4.2的Datasheet PDF文件第3页浏览型号LTC4052EMS8E-4.2的Datasheet PDF文件第4页浏览型号LTC4052EMS8E-4.2的Datasheet PDF文件第5页浏览型号LTC4052EMS8E-4.2的Datasheet PDF文件第6页浏览型号LTC4052EMS8E-4.2的Datasheet PDF文件第7页 
LTC4052-4.2  
Lithium-Ion Battery  
Pulse Charger with  
Overcurrent Protection  
U
FEATURES  
DESCRIPTIO  
Very Low Power Dissipation: 350mW at 1A  
The LTC®4052 is a complete standalone pulse charger  
with integrated MOSFET for 1-cell lithium-ion batteries.  
Complete Standalone Pulse Charger for 1-Cell  
Lithium-Ion Batteries  
Anexternalsenseresistorprovidesovercurrentlimitingas  
a safety precaution against a user connecting a wall  
adapter with the incorrect or no current limit. The internal  
MOSFET prevents reverse battery current from flowing if  
the input voltage is shorted to ground, eliminating the  
need for a blocking diode.  
Requires No Microcontroller, MOSFET or  
Blocking Diode  
Sense Resistor Limits Maximum Current for Safety  
Programmable Charge Termination Timer for  
Maximum Capacity Charging  
±1% Float Voltage Accuracy  
As the battery accepts charge and approaches the  
programmed float voltage, the internal MOSFET begins  
switchingoffandonwiththedutycyclegraduallydecreas-  
ing as the battery approaches a fully charged condition.  
A programmable timer terminates the charge cycle. The  
near end-of-charge C/10 condition is indicated at the  
CHRG pin when the average charge current falls to one-  
tenth of the wall adapter current. Removing the input  
voltage puts the LTC4052 into a sleep mode, dropping the  
battery current drain to less than 1µA.  
Near End-of-Charge (C/10) Detection Output  
AC Wall Adapter Present Output  
Low Battery Drain when Input Supply Is Removed  
Automatic Trickle Charge for Low Battery  
Automatic Battery Refresh  
Thermal Shutdown Protection  
Tiny Thermally EUnhanced MSOP Package  
APPLICATIO S  
Handheld Computers  
The LTC4052 is available in a tiny 8-pin thermally  
enhanced MSOP package.  
Cellular Telephones  
Cradle Chargers  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Single Cell 4.2V, 1A, Standalone Li-Ion Battery Charger  
LTC4052 Charge Profile  
V
= 4.5V TO 10V  
WITH 1A  
4.5  
IN  
CURRENT LIMIT  
3
4.0  
4.7  
1µF  
10k  
0.047µF  
CHARGE  
V
IN  
1k  
R
CYCLE  
ENDS  
3.5  
3.0  
1.0  
0.5  
0
SENSE  
0.05Ω  
1k  
CONSTANT  
CURRENT  
PULSING  
CURRENT  
LTC4052  
GATE  
7
CHARGE STATUS  
AC PRESENT  
6
2
0.022µF  
CHRG  
1
8
SENSE  
ACPR  
C/10  
BAT  
GND  
4
5
1-CELL 4.2V  
Li-Ion  
BATTERY  
TIMER  
5
0
2.5  
0
0.5  
1.0  
1.5  
2.0  
3.0  
C
TIMER  
0.1µF  
TIME (HOURS)  
4052 TA01  
4052 • TA01b  
405242f  
1

LTC4052EMS8E-4.2 替代型号

型号 品牌 替代类型 描述 数据表
LTC4052EMS8E-4.2#PBF Linear

完全替代

暂无描述

与LTC4052EMS8E-4.2相关器件

型号 品牌 获取价格 描述 数据表
LTC4052EMS8E-4.2#PBF Linear

获取价格

暂无描述
LTC4052EMS8E-4.2#TR Linear

获取价格

LTC4052-4.2 - Lithium-Ion Battery Pulse Charger with Overcurrent Protection; Package: MSOP
LTC4052EMS8E-4.2#TRPBF Linear

获取价格

LTC4052-4.2 - Lithium-Ion Battery Pulse Charger with Overcurrent Protection; Package: MSOP
LTC4053 Linear

获取价格

Standalone Linear Li-lon Battery Charger with Thermistor Input
LTC4053-4.2 Linear

获取价格

USB Compatible Lithium-Ion Battery Charger with Thermal Regulation
LTC4053-4.2 ADI

获取价格

具有热调节功能的 USB 兼容型锂离子电池充电器
LTC4053EDD-4.2 Linear

获取价格

USB Compatible Lithium-Ion Battery Charger with Thermal Regulation
LTC4053EDD-4.2#PBF Linear

获取价格

暂无描述
LTC4053EDD-4.2#TR Linear

获取价格

LTC4053-4.2 - USB Compatible Lithium-Ion Battery Charger with Thermal Regulation; Package:
LTC4053EMSE-4.2 Linear

获取价格

USB Compatible Lithium-Ion Battery Charger with Thermal Regulation