Datasheet > AAT3686IXN-4.2-1-T1

AAT3686IXN-4.2-1-T1

更新时间： 2024-01-12 06:24:39

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
23页	455K
描述
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

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技术参数
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AAT3686IXN-4.2-1-T1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84

AAT3686IXN-4.2-1-T1 数据手册

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PRODUCT DATASHEET

AAT3686

BatteryManager^TM

USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

Pin Descriptions

Pin #

(TDFN34-16/

TDFN44-16)

Name

Type

Function

USB

BAT

ADP

GND

In/Out

USB power supply input.

Battery charging and sensing.

Adapter input.

Ground

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.

CHR

In/Out

ADPP#

DATA

STAT2

STAT1

Out

In/Out

Out

Enable pin. Logic high enables the IC.

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

Connect to 10kΩ NTC thermistor.

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

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

Out

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 charg-

ing from the USB input. If timing function is not needed, terminate this pin to

ground.

In/Out

USBSEL

USBL

USBH

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

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.

In/Out

ADPSET

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

Pin Configuration

TDFN34-16

(Top View)

TDFN44-16

(Top View)

ADPSET

USBH

USBL

ADPSET

USBH

USBL

USB

BAT

USB

BAT

ADP

GND

ADP

GND

CHR

USBSEL

CHR

11 STAT1

STAT1

STAT2

DATA

ADPP#

STAT2

ADPP#

DATA

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

3686.2007.12.1.11

123 4 5 6 7...23

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