Datasheet > AOZ1401DI

AOZ1401DI

更新时间： 2024-11-15 12:51:39

品牌	Logo	应用领域
美国万代 - AOS		/
页数	文件大小	规格书
14页	624K
描述
Li Charger Protection IC

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AOZ1401DI 数据手册

AOZ1401DI

Li+ Charger Protection IC

General Description

Features

The AOZ1401 is an integrated Li+ charger protection IC

that protects against input over-voltage, input over-

current, and battery over-voltage conditions. When the

device detects an input over-voltage condition, it

disconnects output from input by turning off the internal

MOSFET switch, preventing damage of the charger.

When the device detects a battery over-voltage

condition, it also turns off the internal MOSFET to prevent

battery from being over-charged. In the case of an over-

current condition, it limits the input current at the current

limit level set by an external resistor, and if the over-

current persists, it turns off the internal MOSFET after a

blanking period. The thermal shutdown feature adds

another layer of protection.

 Provides protection for three variables:

– Input over-voltage

– User-programmable input over-current

– Battery over-voltage

 30V maximum input voltage

 Supports up to 1.5A input current

 High immunity against false triggering due to voltage

spikes

 Robust against false triggering due to current

transients

 Thermal Shutdown

 Status indication, fault condition

 Available in space-saving small 8 lead 2x2 DFN

The fault status indicator provides status information

about fault conditions to the host.

Applications

The AOZ1401 is available in a 2mm x 2mm 8-pin DFN

package and is rated over a -40°C to +85°C ambient

temperature range.

 Smart Phones

 PDAs

 MP3 Players

 Low-Power handheld devices

 Bluetooth headsets

Typical Application

VDC

VIN

1µF

OUT

AC Adaptor

1µF

Charger

47k

End

System

AOZ1401

100k

47k

VBAT

FAULTB

ENB

ILIM

GND

47k

25k

Rev. 1.0 August 2011

www.aosmd.com

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