Datasheet > AAT3687IWP-4.2-1-T1

AAT3687IWP-4.2-1-T1

更新时间： 2024-02-26 14:26:17

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
20页	811K
描述
Lithium-Ion/Polymer Battery Charger

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技术参数
数据手册

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AAT3687IWP-4.2-1-T1 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.69
Base Number Matches：	1

AAT3687IWP-4.2-1-T1 数据手册

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PRODUCT DATASHEET

AAT3687

BatteryManager^TM

Lithium-Ion/Polymer Battery Charger

General Description

Features

The AAT3687 BatteryManager is a highly integrated sin-

gle-cell lithium-ion/polymer battery charger IC designed

to operate with AC adapter inputs. It requires a mini-

mum number of external components. The AAT3687

precisely regulates battery charge voltage and current

• 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

▪

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 temperature and

input vs. output voltage conditions.

▪

• Active Thermal Loop Charge Reduction

• Automatic Recharge Sequencing

• Battery Temperature Monitoring

• Full Battery Charge Auto Turn-Off / Sleep Mode

• Over-Voltage, Over-Current, and Over-Temperature

Protection

Battery temperature and charge state are fully moni-

tored for fault conditions. In the event of an over-volt-

age or over-temperature failure, the device will auto-

matically shut down, thus protecting the charging device,

control system, and the battery 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.

• Power On Reset and Soft Start

• Serial Interface Status Report

• 12-Pin 3x3mm TDFN Package

• -40°C to +85°C Temperature Range

Applications

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 temperature range.

• Cellular Telephones

• Digital Still Cameras

• Hand Held PCs

• 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

Adapter

ADP

0.1µF

GND

TEMP

ADPSET

STAT1

C_IN

10µF

STAT2

R_SET

Battery

Pack

R_B1

R_B2

LED1

LED2

w w w . a n a l o g i c t e c h . c o m

3687.2008.04.1.12

12 3 4 5 6 7...20

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