GENERAL DESCRIPTION

The XB5353A product is a high

integration solution for lithiumion/polymer battery protection.

XB5353A contains advanced power

MOSFET, high-accuracy voltage

detection circuits and delay circuits.

XB5353A is put into an ultra-small

SOT23-5 package and only one

external component makes it an ideal

solution in limited space of battery pack.

XB5353A has all the protection functions

required in the battery application including

overcharging, overdischarging, overcurrent

and load short circuiting protection etc. The

accurate overcharging detection voltage

ensures safe and full utilization charging.

The low standby current drains little current

from the cell while in storage.

The device is not only targeted for digital

cellular phones, but also for any other

Li-Ion and Li-Poly battery-powered

information appliances requiring longterm battery life.

FEATURES

·Protection of Charger Reverse

Connection

·Protection of Battery Cell Reverse

Connection

·Integrate Advanced Power MOSFET

with Equivalent of 54mΩ RSS(ON)

·Ultra-small SOT23-5 Package

·Only One External Capacitor

Required

·Over-temperature Protection

·Overcharge Current Protection

·Two-step Overcurrent Detection:

-Overdischarge Current

-Load Short Circuiting

·Charger Detection Function

·0V Battery Charging Function

- Delay Times are generated inside

·High-accuracy Voltage Detection

·Low Current Consumption

- Operation Mode: 2.8μ A typ.

- Power-down Mode: 1.5μ A typ.

·RoHS Compliant and Lead (Pb) Free

APPLICATIONS

One-Cell Lithium-ion Battery Pack

Lithium-Polymer Battery Pack