LM3641 Datasheet - National Semiconductor

Datasheet Details

Part number:

LM3641

Manufacturer:

National Semiconductor

File Size:

327.88 KB

Description:

Lithium-Ion Battery Pack Protection Circuit

Features

* n Automatic battery disconnect when the cell is over-charged or over-discharged. n Maximum cell voltage for MOSFET conduction is factory programmable between 4.0V and 4.4V with a ± 25 mV tolerance (0˚C to +60˚C). n Minimum cell voltage for MOSFET conduction = 0.57

* VMAX ± 3.5% (0˚C to +60˚C

LM3641_NationalSemiconductor.pdf

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LM3641, Lithium-Ion Battery Pack Protection Circuit

The LM3641 Lithium Protection Integrated Circuit resides inside a 3.6V Lithium-Ion battery pack consisting of a single cell or multiple parallel cells.

The IC controls the ON/OFF state of a pair of low threshold N-channel power MOSFETs placed in series with the battery cell(s).

The purpose of this M

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LM3641 Lithium-Ion Battery Pack Protection Circuit National Semiconductor

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