AAT8635 datasheet(2/17 Pages) AAT

Part #	AAT8635

Description	ONE-CELL LI-ION BATTERY PROTECTION IC

Download	17 Pages

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Manufacturer	AAT [Advanced Analog Technology, Inc.]

Direct Link	http://www.aatech.com.tw

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2 / 17 page

Advanced Analog Technology, Inc.

–

台灣類比科技股份有限公司 –

–

Advanced Analog Technology, Inc. –

Page 2 of 17

V 2.0

AAT8635 Series

standby mode right after the battery pack is

connected to a charger.

The conditions of over current and short circuit

protection are both determined by the voltage at

the VN pin. As the voltage of VN pin reaches a

value higher than

OC

V

, which indicates an

undesirable large current is flowing through the

path,

OUT

D

will be switched to low and the path

is cut-off right after an internally pre-set delay

time (

OC

t

) elapses. In the case of short circuit, i.e.

VN rises above

short

V

, the path will also be cut-off

but with almost no delay time. Once the over

current or factors contributing to short circuit is

removed, the built-in resistor at the VN pin,

typically 100

Ω

k

, will pull VN down to GND and

bring the IC back to standard operation.

Together

with

the

application

circuit,

the

AAT8635 series will function as a consummate

protector, which promotes safe usage and the

sustainability of Li-Ion battery packs.

BLOCK DIAGRAM

GND

DD

V

OUT

C

OUT

D

VN

ext

C

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AAT8635 Datasheet(PDF) 2 Page - Advanced Analog Technology, Inc.

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