Datasheet > AAT8636-S3

AAT8636-S3

更新时间： 2022-10-08 16:02:43

品牌	Logo	应用领域
AAT		电池
页数	文件大小	规格书
16页	162K
描述
ONE-CELL LI-ION BATTERY PROTECTION IC

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AAT8636-S3 数据手册

Advanced Analog Technology, Inc.

AAT8636 Series

Details are subject to change without notice

ONE-CELL LI-ION BATTERY PROTECTION IC

FEATURES

GENERAL DESCRIPTION

• Ideal for One-Cell Rechargeable Li-Ion Battery

The AAT8636 series are protection ICs designed

to safeguard one-cell rechargeable Li-Ion battery

pack against over charge, over discharge, over

current, and short circuit. The AAT8636 series

use advanced high voltage CMOS process to

provide high accuracy voltage detection and low

current consumption.

Pack.

• Low Current Consumption

3.0µA …………..Supply Current (Typical)

0.1µA …………..Standby Current

• High Withstand Voltage

Absolute Maximum Ratings..22V (V_DD− VN )

• High Accuracy Voltage Detection

Over Charge Detector…………... ± 20mV

Over Discharge Detector………. ± 2.5%

• Over Current and Short Circuit Protection

• Wide Operating Temperature Range− 40^oC to

85^oC

The AAT8636 series incorporate a reference unit

and three voltage detectors. During the charging

process, when the cell voltage ( V_DD) is charged to

a value higher than the over charge threshold

voltage (V_C1), the over charge detector (COM1)

will switch the output pin (C_OUT) to a low level

within a delay time ( t_C1), and thus turning off the

• Ultra Small Package……..SOT26

MOSFET connected to the charging path. The

C_OUTpin may change to high level again when

PIN CONFIGURATION

the V_DDvoltage falls below “ V_C1− V_HYS”, or

when V_DDfalls below V_C1while the charger is

disconnected from the battery pack.

During the discharging process, when the V_DD

D_OUT

GND

drops to a value lower than the over-discharge

threshold voltage ( V_D1), the over-discharge

detector (COM2) will switch D_OUTto low level

V_DD

within a delay time ( t_D1), and thus turning off the

C_ext

C_OUT

MOSFET connecting to the discharging path. In

the mean time, the AAT8636 series will enter a

low current standby mode. Once into standby

mode, the systems can only be released from

– 台灣類比科技股份有限公司–

– Advanced Analog Technology, Inc. –

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