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ISL9220A Datasheet Switching Charger

Manufacturer: Renesas

Overview: DATASHEET ISL9220, ISL9220A Switching Charger for 1-Cell and 2-Cell Li-ion Batteries FN6936 Rev 3.00 February 16, 2012 The ISL9220, ISL9220A is a cost-effective and versatile battery charger for 1-cell and 2-cell Li-ion and Li-Polymer based portable applications.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • synchronous PWM technology, maximizing power efficiency, thus minimizing charge time and heat. The 1.2MHz switching frequency allows use of small external inductors and capacitors. A simple charge current programming method is provided. External resistors program the fast charge and end-of-charge currents. The two status outputs can be used to drive LEDs, or can be connected to host processor. A programmable charge timer provides the ability to detect defective batteries, and provides a secondar.

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ISL9220A Distributor