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LM3655 - Charge Control and Protection IC

Datasheet Summary

Description

The LM3655 provides complete charge control, discharge control and battery safety of a single Lithium-Ion cell.

It supports battery charging by using a variety of power supply types including unregulated current-limited wall adapters, regulated wall adapters and vehicle power adapters.

Features

  • n n n n n n n n n n n n Input over-voltage protection for load and battery pack Input over-current protection for load and battery pack Reverse current protection Reverse charger protection Input short circuit protection that protects the cell from a short on the charger-connector Output overload current and short circuit protection Complete charge control with pre-charging for depleted batteries, full-rate and trickle charging. Support for charging with regulated and non-regulated wall adapters.

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Datasheet Details

Part number LM3655
Manufacturer National Semiconductor
File Size 865.05 KB
Description Charge Control and Protection IC
Datasheet download datasheet LM3655 Datasheet
Additional preview pages of the LM3655 datasheet.

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Full PDF Text Transcription

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November 2004 www.DataSheet4U.com LM3655 Charge Control and Protection IC for embedded single cell Li-Ion/Polymer batteries LM3655 Charge Control and Protection IC for embedded single cell Li-Ion/Polymer batteries 1.0 General Description The LM3655 provides complete charge control, discharge control and battery safety of a single Lithium-Ion cell. It supports battery charging by using a variety of power supply types including unregulated current-limited wall adapters, regulated wall adapters and vehicle power adapters. Charge current control is achieved using an external bipolar PNP power transistor. Furthermore, the LM3655 provides effective and comprehensive discharge control functionality. All operating load current is supplied by the Li-Ion battery and passes through this IC.
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