LX2202

更新时间： 2024-11-24 21:55:47

品牌	Logo	应用领域
美高森美 - MICROSEMI		电池
页数	文件大小	规格书
12页	176K
描述
2A Li-Ion Linear Charger and Power Control

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中文翻译

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数据手册

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LX2202 数据手册

LX2202

2A Li-Ion Linear Charger and Power Control

RODUCTION DATA SHEET

KEY FEATURES

DESCRIPTION

Up to 2A Charge Current

Internal Pass Element Can

Function as a Reverse Direction

Load Switch

USB Compliant Charging States

using optional USB input

Isolated Battery Topology

Low Rds_ONin Discharge Mode

Full Capacity Charging

True Charge Indicator

Wall Supply Regulator Tolerance

5V + 10%

Topping Charge with Voltage

Monitoring Mode

Improved charge/discharge mode

detection circuitry

Small, High Power 20-lead MLP

package

The LX2202 Linear Battery Charger is a

The LX2202 (compared to the LX2201)

multi-state (2 stage) Li-Ion battery charger has improved charge and discharge mode

(Constant current / Constant voltage) that is detection circuitry. A UVLO feature prevents

designed to minimize battery charge time battery charging when VDD is less than 3.6V.

(even from current limited sources such as

USB) and provide a simplified interface to program the constant charge current level, for

control battery discharge. setting the termination charge current, and for

LX2202 features up to 2A charging varying the USB charge current limits.

current from an AC adapter and an isolated LX2202 support two types of Li-Ion

battery topology to minimize charge time battery chemistry; 4.1V and 4.2V through

from current limited sources such as USB. logical input (VM pin). The LX2202

A thermal control loop maintains a safe provides a charging status indicator.

The LX2202 uses three resistors to

operating temperature at all times.

The LX2202 provides

The LX2202 features

pre-charge

seamless conditioning mode for batteries that have

complete battery interface. When the input been deeply discharged and also has a top off

power source is removed, the LX2202 charge mode for batteries that are left on the

provides the discharge path for the battery charger for extended periods.

Selectable Li-Ion Battery for 4.1V

or 4.2V Applications

with extremely low discharge impedance.

The LX2202 is available in a high power

This eliminates the need for external 4mm x 4mm, 20-pin MLP, surface mount

APPLICATIONS

discharge switch and voltage supervisors.

In USB mode, the LX2202 provides

three levels of current limit: 100mA,

500mA, and off.

package.

Batteries up to 4AH Ratings (C/2)

Cell Phones

PDAs

Charging Cradles

Digital Cameras

Low Cost Single Li-Ion Cell Chargers

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

PRODUCT HIGHLIGHT

State Select Truth Table

Power On/Off

Wall Adapter

VID0 VID1

VDD > V_BAT

V_BAT> VDD

Switch open – charging

disabled.

Switch open – discharge

disabled.

Main Internal

Power Bus

VDD

USB

BAT

CMP

Charging – USB high level if

Switch open – discharge

disabled.

B220

LX2202

using USB

10µF

Battery Discharging. MOSFET

fully enhanced with current

flow V_BATto VDD.

Charging – USB low level if

using USB.

0.1µF

To VDD

2.55k

10µF

105k 72.3k

Charge

Indicator

Battery Discharging. MOSFET

fully enhanced with current

flow V_BATto VDD.

2.49k

Charging – USB high level if

using USB

PACKAGE ORDER INFO

Plastic MLP

4x4mm 20-Pin

Note: Available in Tape & Reel.

Append the letters “TR” to the part number.

(i.e. LX2202CLQ-TR)

T_A(°C)

RoHS Compliant / Pb-free

-40 to 125

LX2202CLQ

Rev. 1.0, 2005-03-18

Microsemi

Page 1

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

12 3 4 5 6 7...12

中文翻译

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与LX2202相关器件

型号	品牌	获取价格	描述	数据表
LX2202_06	MICROSEMI	获取价格	TM 2A Li-Ion Linear Charger and Power Control
LX2202CLQ	MICROSEMI	获取价格	2A Li-Ion Linear Charger and Power Control
LX2202CLQ-TR	MICROSEMI	获取价格	TM 2A Li-Ion Linear Charger and Power Control
LX2203	MICROSEMI	获取价格	Li-Ion Battery Charger
LX2203A	MICROSEMI	获取价格	Li-Ion Battery Charger
LX2203AILD	MICROSEMI	获取价格	Li-Ion Battery Charger
LX2203AILD-TR	MICROSEMI	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, CMOS, PDSO10, 3 X 3 MM, ROHS COMPLIAN
LX2203CLD	MICROSEMI	获取价格	Li-Ion Battery Charger
LX2203CLD-TR	MICROSEMI	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO10, LEAD FREE, PLASTIC, MLP-10
LX2205	MICROSEMI	获取价格	1A Li-Ion Battery Charger with Power Source Management

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