DW01A-G

General Description

The DW01A-G battery protection IC is designed to protect lithium-ion/polymer battery from damage or degrading the lifetime due to overcharge, overdischarge, and/or overcurrent for one-cell lithium-ion/polymer battery powered systems, such as cellular phones.

The ultra-small package and less required external components make it ideal to integrate the DW01A-G into the limited space of battery pack. The accurate ±50mV overcharging detection voltage ensures safe and full utilization charging. The very low standby current drains little current from the cell while in storage.

 

Feature

Low supply current
Overcharge detection voltage: 4.300±0.050 V
Overcharge release voltage: 4.100±0.05 V
Over discharge detection voltage: 2.40±0.10 V
Over discharge release voltage: 3.00±0.10 V
Over current detection voltage: 150±30 mV
Short circuit detection voltage: 1.35 V
Delay time generated by the internal circuit
Charger detection voltage: -0.7 V
Reset resistor for over current protection: >500KΩ
Wide supply voltage range: 1.8 ~ 9.0 V
SOT-23-6 package

 

Application

Cellular phone
PDA
DSC
Handheld devices



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