Datasheet > AAT3686IXN-4.2-T1

AAT3686IXN-4.2-T1

更新时间： 2024-01-19 18:43:12

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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AAT3686IXN-4.2-T1 技术参数

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

AAT3686IXN-4.2-T1 数据手册

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AAT3686

USB Port/AC Adapter

Lithium-Ion/Polymer Battery Charger

Pin Descriptions

Pin #

Name

Type

Function

USB

BAT

USB power supply input.

In/Out

Battery charging and sensing.

ADP

GND

CHR

Adapter input.

Ground

In/Out

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.

Enable pin. Logic high enables the IC.

ADPP#

Out

Adapter present indicator. This pin is open drain until ADP pin reaches

threshold.

In/Out

Out

Connect to 10kΩ NTC thermistor.

DATA

STAT2

STAT1

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

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

Timing capacitor to adjust internal watchdog timer. Set maximum charge

time for adapter powered trickle, CC, and CV charge modes. The watchdog

timer only sets the timers for adapter battery charging; there is no timeout

for the battery charging from the USB input. If timing function is not need-

ed, terminate this pin to ground.

Out

In/Out

USBSEL

When USB is present, use this pin to toggle between 100mA and 500mA

limit.

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.

Use resistor at this pin to set adapter charging current.

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

ADPSET

Pin Configuration

TDFN44-16

(Top View)

ADPSET

USBH

USBL

USBSEL

STAT1

STAT2

DATA

USB

BAT

ADP

GND

CHR

ADPP#

3686.2006.06.1.5

123 4 5 6 7...24

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