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LM3655 Datasheet Charge Control and Protection IC

Manufacturer: National Semiconductor (now Texas Instruments)

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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.

Overview

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.

Key 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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