General Description

The DW01M battery protection IC with built-in N-MOSFET 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 DW01M 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.



Built-in N-MOSFET of low turn-on resistance.
Reduction in Board Size due to Miniature Package TSSOP-8 or SOT-23-6 or DFN-5.
Protection IC:
Ultra-Low Quiescent Current at 3μA (Vcc=3.9V).
Overcharge Protection Voltage
4.28V ± 70mV
Overdischarge Protection Voltage
2.4V ± 100mV
Overcurrent Protection Voltage
150mV ± 30mV
Auto Recovery function
Rss(ON) < 60mΩ
(VGS = 3.7V , ID = 1A)



Protection IC for One-Cell Lithium-Ion / Lithium-Polymer Battery Pack



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