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CW1051 3-5 Secondary Protection IC


The CW1051 series products are highly integrated secondary protection ICs for 3 to 5 lithium‐ion and lithium polymer battery cells connected in series.CW1051 provides overcharge protection for battery pack by measuring each cell’s voltage.

Features

●3~5 cells Application

●Overcharge Protection

            Threshold from 4.100V to 4.4500V, 5mV steps, ±25mV accuracy

●Internal Overcharge Protection Delay Time

●Overcharge Delay Counter Reset Time

●Open wire protection

●Low power dissipation

           Normal working4μA (25°C) 

●Package type: MSOP8L, DFN3*4‐8L

Application Field

●Power Tools

●Backup power supply

●Or other lithium‐ion or lithium polymer battery packs

Application Circuits

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