LM3620 Datasheet (National Semiconductor) - Lithium-Ion Battery Charger Controller

LM3620, Lithium-Ion Battery Charger Controller

The LM3620 series of controllers are monolithic integrated circuits designed to control the charging and end-of-charge control for lithium-ion rechargeable batteries.

The LM3620 is available in two versions for one or two cell charger applications.

Each version provides the option of selecting the a

LM3620 Features

* n n n n n n n Voltage options for charging 1 or 2 cell stacks Adjustable output voltage for coke or graphite anodes Precision end-of-charge voltage control Wide input voltage range (4V to 30V) Low off state current ( < 10nA) Drive provided for external power stage Tiny SOT-23 package Typical Applic