Datasheet > LM3621M-3.0X

LM3621M-3.0X

更新时间： 2024-11-04 21:16:43

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
15页	377K
描述
BATTERY CHARGE CONTROLLER, PDSO16, SOIC-16

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LM3621M-3.0X 技术参数

生命周期：	Obsolete	包装说明：	SOP,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.77
模拟集成电路 - 其他类型：	BATTERY CHARGE CONTROLLER	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-G16	长度：	9.902 mm
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
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	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
宽度：	3.9 mm	Base Number Matches：	1

LM3621M-3.0X 数据手册

May 1998

LM3621

Single Cell Lithium-Ion Battery Charger Controller

n Less than 1 µA current drain from fully charged battery

n Preconditioning severely discharged cells (0V to 2.55V)

General Description

The LM3621 is a full function constant voltage, constant

current (CVCC) lithium-ion (Li+) battery charger controller. It

provides 1% regulation accuracy over the specified tempera-

ture 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.

Features

n Automatic end-of-charge control

n Preset or user adjustable charge current regulation

n LED drivers for charging status and fault indication

n Battery self-discharge refresh (maintenance)

n Overvoltage/overcurrent fault detection and protection

n Defective battery pack detection

n Charge current boost control for cellular phone

applications

n Charge interruption control input

The LM3621 is designed to control a switching charger, a

linear charger or an off-line ac adapter charger.

The LM3621 consists of a logic controller, precision bandgap

reference, wide bandwidth transconductance error amplifi-

ers, comparators, and an output buffer. The LM3621 is avail-

able in a 16-pin SOIC package and is specified over the

range of 0˚C to 70˚C.

Applications

n Complete, full function, protected battery charger for

coke or graphite anode, single cell Lithium-Ion battery

packs

n Linear voltage regulator controlled chargers

n High efficiency switching regulator controlled chargers

n Cost effective wall adapter chargers

Key Specifications

n Tight output voltage accuracy ( 0.5% at T_A= 25˚C)

n Two selectable output voltages (4.2V or 4.1V)

Typical Application

10010707

1A, 4.1V CVCC Linear Charger for Graphite Anode Lithium-Ion Battery

DS100107

www.national.com

12 3 4 5 6 7...15

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与LM3621M-3.0X相关器件

型号	品牌	获取价格	描述	数据表
LM3621MX	TI	获取价格	BATTERY CHARGE CONTROLLER, PDSO16, SOIC-16
LM3621MX/NOPB	TI	获取价格	IC,BATTERY MANAGEMENT,SOP,16PIN,PLASTIC
LM3622	NSC	获取价格	Lithium-Ion Battery Charger Controller
LM3622-4.1MDC	NSC	获取价格	IC BATTERY CHARGE CONTROLLER, UUC, DIE, Switching Regulator or Controller
LM3622A-4.1MDC	NSC	获取价格	IC BATTERY CHARGE CONTROLLER, UUC, DIE, Switching Regulator or Controller
LM3622A-4.2MDC	NSC	获取价格	IC BATTERY CHARGE CONTROLLER, UUC, DIE, Switching Regulator or Controller
LM3622A-4.2MWC	NSC	获取价格	IC BATTERY CHARGE CONTROLLER, UUC, WAFER, Switching Regulator or Controller
LM3622A-8.4MDC	NSC	获取价格	IC BATTERY CHARGE CONTROLLER, UUC, DIE, Switching Regulator or Controller
LM3622AM-4.1	NSC	获取价格	Lithium-Ion Battery Charger Controller
LM3622AM-4.1/NOPB	TI	获取价格	BATTERY CHARGE CONTROLLER, PDSO8, SOIC-8

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