Datasheet > AAT3688IWP-4.2-T1

AAT3688IWP-4.2-T1

更新时间： 2024-01-22 19:24:33

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
23页	527K
描述
USB Port Lithium-Ion/Polymer Battery Charger

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技术参数
数据手册

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AAT3688IWP-4.2-T1 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.79

AAT3688IWP-4.2-T1 数据手册

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AAT3688

USB Port Lithium-Ion/Polymer Battery Charger

Pin Descriptions

Pin #

Name

Type

Function

USB

BAT

USB power supply input.

In/Out

Ground

In/Out

Battery charging and sensing.

GND

CHR

Ground connection.

Resistor divider to set USB voltage regulation for charge reduction mode.

Leave this pin open for default 4.5V USB regulation point. Tie to USB pin to

disable this function.

In/Out

Out

Enable pin. Logic high enables the IC.

Connect to 10kΩ NTC thermistor.

DATA

STAT2

STAT1

USBSEL

Status report to microcontroller via serial interface, open-drain.

Battery charge status indicator pin to drive an LED: active low, open-drain.

When USB is present, use this pin to toggle between USBH and USBL

charging levels.

Out

USBL

USBH

In/Out

Connect resistor here to set charge current for low-current USB port.

Connect resistor here to set charge current for high-current USB port.

Exposed paddle (bottom); connect to GND directly beneath package.

Pin Configuration

TDFN33-12

(Top View)

USB

BAT

GND

CHR

USBH

USBL

USBSEL

STAT1

STAT2

DATA

3688.2006.04.1.3

123 4 5 6 7...23

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