DW09充电宝驱动芯片3A锂电池保护IC

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DW09充电宝驱动芯片3A锂电池保护IC

充电宝驱动芯片3A锂电池保护IC

概述

DW09

GENERAL DESCRIPTION

The DW09 series product is a high integration solution for lithium- ion/polymer battery protection. DW09 contains advanced power MOSFET, high-accuracy voltage detection circuits and delay circuits. DW09 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.

DW09 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 long- term battery life.

FEATURES

· Protection of Charger Reverse Connection

· Protection of Battery Cell Reverse Connection

· Integrate Advanced Power MOSFET with Equivalent of 45m? RDS(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
手电筒锂电池保护IC 充电宝保护IC 保护IC 锂电池驱动
· Charger Detection Function
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· 0V Battery Charging Function

-Delay Times are generated inside

· High-accuracy Voltage Detection

· Low Current Consumption

- Operation Mode: 2.8μA typ.

- Power-down Mode: 0.1μA max.

· RoHS Compliant and Lead (Pb) Free



APPLICATIONS

· One-Cell Lithium-ion Battery Pack

· Lithium-Polymer Battery Pack




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