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AAT3687IWP-4.2-2-T1

更新时间： 2024-02-15 22:06:39

品牌	Logo	应用领域
ANALOGICTECH		电源电路电池电源管理电路
页数	文件大小	规格书
22页	553K
描述
Lithium-Ion/Polymer Battery Charger

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技术参数
数据手册

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AAT3687IWP-4.2-2-T1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.72
Is Samacsys：	N	Base Number Matches：	1

AAT3687IWP-4.2-2-T1 数据手册

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AAT3687

Lithium-Ion/Polymer Battery Charger

™

BatteryManager

General Description

Features

The AAT3687 BatteryManager is a member of

AnalogicTech's Total Power Management IC™

(TPMIC™) product family. This device is a highly

integrated single-cell lithium-ion/polymer battery

charger IC designed to operate with AC adapter

inputs. It requires a minimum number of external

components. The AAT3687 precisely regulates

battery charge voltage and current for 4.2V lithium-

ion/polymer battery cells. Adapter charge current

rates can be programmed up to 1.5A. An active

thermal management system regulates the fast

charge constant current for all ambient tempera-

ture and input vs. output voltage conditions.

•

Input Voltage Range: 4.0V to 5.5V

Up to 1.5A Charging Current

Adapter Present Indicator (ADPP#)

High Level of Integration with Internal:

— Charging Device

— Reverse Blocking Diode

— Current Sensing

•

Active Thermal Loop Charge Reduction

Automatic Recharge Sequencing

Battery Temperature Monitoring

Full Battery Charge Auto Turn-Off / Sleep Mode

Over-Voltage, Over-Temperature, and

Emergency Thermal Protection

Power On Reset and Soft Start

Serial Interface Status Report

12-Pin 3x3mm TDFN Package

-40°C to +85°C Temperature Range

•

Battery temperature and charge state are fully

monitored for fault conditions. In the event of an

over-voltage or over-temperature failure, the

device will automatically shut down, thus protecting

the charging device, control system, and the bat-

tery under charge. Status monitor output pins are

provided to indicate the battery charge status by

directly driving two external LEDs. A serial interface

output is available to report 12 various charging

status states to a microcontroller.

Applications

•

Cellular Telephones

Digital Still Cameras

Hand Held PCs

The AAT3687 is available in a Pb-free, thermally-

enhanced, space-saving 12-pin TDFN 3x3mm

package and is rated over the -40°C to +85°C tem-

perature range.

MP3 Players

Personal Data Assistants (PDAs)

Other Lithium-Ion/Polymer Battery-Powered

Devices

Typical Application

BATT+

Adapter

ADPP#

Present

BAT

Enable

C_OUT

10μF

DATA

Serial Interface

BATT-

AAT3687

C_T

0.1μF

Adapter

ADP

GND

TEMP

ADPSET

STAT1

C_IN

10μF

STAT2

R_SET

Battery

Pack

R_B1

R_B2

LED1

LED2

3687.2006.06.1.5

12 3 4 5 6 7...22

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