Datasheet > AAT3686IXN-4.2-T1

AAT3686IXN-4.2-T1

更新时间： 2024-11-12 03:06:07

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
24页	481K
描述
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

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中文翻译

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AAT3686

USB Port/AC Adapter

Lithium-Ion/Polymer Battery Charger

™

BatteryManager

General Description

Features

The AAT3686 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 USB port and

AC adapter inputs. It requires the minimum number

of external components.

•

USB Port/AC Adapter System Power Charger

— USB: Programmable to 500mA for

USB Hi/Lo

— Adapter: Programmable to 1.5A Max

4.0V to 5.5V Input Voltage Range

Adapter Present Indicator (ADPP# Pin)

Adapter Presence Automatically Disables

USB Charging

High Level of Integration With Internal:

— Charging Devices

— Reverse Blocking Diodes

— Current Sensing

Automatic Recharge Sequencing

Digital Thermal Regulation in ADP Charge

Charge Reduction Loop in USB Charge

Battery Temperature Monitoring

Full Battery Charge Auto Turn-Off

Over-Voltage and Emergency Thermal

Protection

Power On Reset and Soft Start

Serial Interface Status Reporting

16-Pin 4x4mm TDFN Package

•

The AAT3686 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. In the absence of an

adapter and with a USB port connected, the battery

can also be charged by USB power. Depending on

the USB port type, the AAT3686 charge current can

be programmed for two separate levels up to

500mA. An optional Charge Reduction Loop is also

built in to allow users to charge the battery with

available current from a USB port, while keeping

the port voltage regulated. USB charging is dis-

abled when an adapter is present.

•

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 exter-

nal LEDs. A serial interface output is available to

report 22 various status states to a microcontroller.

Applications

•

Cellular Telephones

Digital Still Cameras

Hand-Held PCs

The AAT3686 is available in a Pb-free, thermally-

enhanced, space-saving 16-pin 4x4mm TDFN

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

Enable

USB

CHR

BAT

USB Input

USBSEL

USBH

USB Hi/Lo Select

BATT+

10μF

R_SETH

USBL

AAT3686

R_SETL

BATT-

C_T

GND

ADP Present

ADP Input

ADPP#

ADP

ADPSET

DATA

TEMP

R_SET

STAT1

STAT2

Battery Pack

Serial Data

3686.2006.06.1.5

12 3 4 5 6 7...24

中文翻译

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与AAT3686IXN-4.2-T1相关器件

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AAT3687IWP-4.2-2-T1	AAT	获取价格	Lithium-Ion/Polymer Battery Charger
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