Datasheet > AAT3783IRN-4.2-T1

AAT3783IRN-4.2-T1

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
20页	408K
描述
1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

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PRODUCT DATASHEET

AAT3783

BatteryManager^TM1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

Pin Descriptions

Pin Number

Name

Type

Function

Internal connection between the output of the OVP stage and the input of the battery

charger. Decouple with 2.2μF capacitor.

INCHR

I/O

Battery sense pin. Connect directly to the battery's + terminal. If not used, BATS

must be connected to BAT.

BATS

BAT

ENOVP

I/O

Connect to Lithium-Ion battery.

Battery temperature sense pin.

Active low enable for OVP stage.

Over-voltage protection threshold pin. Leave open for the default 6.5V setting; con-

nect to a resistor to adjust the OVP setting (see Application Information).

OVP

FLT

STAT

ADPP

Over-voltage fault ﬂag, open drain.

Charge status pin, open drain.

Input power-good (USB port/adapter present indicator) pin, open-drain.

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

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

ENCHR

Charge termination current programming input pin (internal default 10% termina-

tion current if TERM is open).

TERM

15, 16

GND

ISET

I/O

Connect to power ground.

Charge current programming input pin.

Input from USB port/ adapter connector.

Pin Configuration

TDFN34-16

(Top View)

INCHR

BATS

BAT

EP1

ISET

GND

TERM

ENCHR

ENOVP

OVP

FLT

EP2

STAT

ADPP

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

3783.2007.12.1.0

123 4 5 6 7...20

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