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LM3621MX PDF预览

LM3621MX

更新时间： 2024-11-04 14:35:31
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
18页 719K
描述
BATTERY CHARGE CONTROLLER, PDSO16, SOIC-16

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LM3621MX 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：SOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.68模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER
控制模式：VOLTAGE-MODE最大输入电压：5.5 V
最小输入电压：3 V标称输入电压：4.2 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e0
长度：9.902 mm湿度敏感等级：1
功能数量：1端子数量：16
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：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：235认证状态：Not Qualified
座面最大高度：1.753 mm表面贴装：YES
切换器配置：SINGLE温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.9 mm
Base Number Matches：1

LM3621MX 数据手册

 浏览型号LM3621MX的Datasheet PDF文件第2页浏览型号LM3621MX的Datasheet PDF文件第3页浏览型号LM3621MX的Datasheet PDF文件第4页浏览型号LM3621MX的Datasheet PDF文件第5页浏览型号LM3621MX的Datasheet PDF文件第6页浏览型号LM3621MX的Datasheet PDF文件第7页 
OBSOLETE  
LM3621  
www.ti.com  
SNVS014D –MARCH 1998–REVISED APRIL 2013  
LM3621 Single Cell Lithium-Ion Battery Charger Controller  
Check for Samples: LM3621  
1
FEATURES  
DESCRIPTION  
The LM3621 is a full function constant voltage,  
2
•
•
Automatic End-of-Charge Control  
constant current (CVCC) lithium-ion (Li+) battery  
charger controller. It provides 1% regulation accuracy  
over the specified temperature range without  
requiring the use of external precision resistors. The  
IC controls five charge modes: conditioning, fast, top-  
off, monitor and maintenance. In addition, the  
LM3621 detects and flags defective batteries as well  
as over current and over voltage fault events. The  
architecture of the IC is based on high gain constant  
voltage and constant current control loops.  
Preset or User Adjustable Charge Current  
Regulation  
•
LED Drivers for Charging Status and Fault  
Indication  
•
•
Battery Self-Discharge Refresh (Maintenance)  
Overvoltage/Overcurrent Fault Detection and  
Protection  
•
•
Defective Battery Pack Detection  
Charge Current Boost Control for Cellular  
Phone Applications  
The LM3621 is designed to control a switching  
charger, a linear charger or an off-line ac adapter  
charger.  
•
Charge Interruption Control Input  
The LM3621 consists of a logic controller, precision  
APPLICATIONS  
bandgap  
reference,  
wide  
bandwidth  
transconductance error amplifiers, comparators, and  
an output buffer. The LM3621 is available in a 16-pin  
SOIC package and is specified over the range of 0°C  
to 70°C.  
•
Complete, Full Function, Protected Battery  
Charger for Coke or Graphite Anode, Single  
Cell Lithium-Ion Battery Packs  
•
•
Linear Voltage Regulator Controlled Chargers  
High Efficiency Switching Regulator  
Controlled Chargers  
•
Cost Effective Wall Adapter Chargers  
KEY SPECIFICATIONS  
•
Tight Output Voltage Accuracy (±0.5% at  
TA = 25°C)  
•
•
Two Selectable Output Voltages (4.2V or 4.1V)  
Less than 1 µA Current Drain from Fully  
Charged Battery  
•
Preconditioning Severely Discharged Cells  
(0V to 2.55V)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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