AAT3683-4 データシートの表示（PDF） - Skyworks Solutions

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AAT3683-4

1A Linear Li-Ion Battery Charger

Skyworks Solutions 

DATA SHEET

AAT3683

1A Linear Li-Ion Battery Charger

Pin Descriptions

Pin

AAT3683-2

1

n/a

AAT3683-4

n/a

16

2

2

3

3

4

4

5

n/a

n/a

5

6

7

7

6

8

15

9

11

10

12

n/a

1, 8, 9, 10,

13, 14

EP

Name

STAT

STAT1

TERM

GND

CT

ADPP#

STAT2

TS

BAT

IN

ISET

EN

N/C

Type Function

Charge status pin, open drain.

O

Charge status pin, open drain.

Charge termination current programming input pin (internal default 10%

termination current if TERM is open).

I

Ground.

Charge timer programming input pin (no timer if grounded).

Input supply power-good status pin, open drain.

O

Charge status pin, open drain.

I/O

Battery temperature sense pin. (Leave this TS pin open to disable this

function in AAT3683-2).

O

Connect to Li-Ion battery.

Input from USB port/AC adapter connector.

I

Charge current programming input pin.

Active high enable pin (with internal pull-down).

Not connected.

Exposed paddle (bottom); connect to ground as closely as possible to the

device.

Pin Configuration

AAT3683-2

STDFN2.2x2.2-10

(Top View)

AAT3683-4

QFN33-16

(Top View)

STAT 1

TERM 2

GND 3

CT 4

ADPP# 5

10 EN

9 ISET

8 IN

7 BAT

6 TS

N/C 1

TERM 2

GND 3

CT 4

12 EN

11 ISET

10 N/C

9 N/C

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

2

201885B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012

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