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CW1041 2-4节电池次级保护芯片
The CW1041 series products are highly integrated secondary protection ICs for 2-4 lithium‐ion and lithium polymer battery packs connected in series.CW1031 provides overcharge protection for battery pack by measure the voltage.

Features

• 2-4 cells application

• Overcharge protection ƒ

A: Threshold from 4.150V to 4.450V, 25mV steps, ±20mV accuracy 

B: Threshold from 3.600V to 3.900V, 25mV steps, ±20mV accuracy

• Internal Overcharge Protection Delay Time

• Overcharge Delay Counter Reset Time

• Open wire protection

• Low power dissipation ƒ

Normal working 1μA   (25)

• Package type:  DFN3*3‐8L / SOP8L

Application

• Field Note Book

• Tablet PC

• E‐Tools

Backup power supply

• Or other lithium‐ion or lithium polymer battery packs

Application Circuits

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