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ISL6299 Datasheet Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources

Manufacturer: Intersil (now Renesas)

Overview

® ISL6299 Data Sheet March 17, 2005 FN9184.0 Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources The ISL6299 is a fully integrated low-cost single-cell Li-ion or Li-polymer battery charger.

The charger accepts two power inputs, normally one from a USB (Universal Serial Bus) port and the other from a desktop cradle.

The ISL6299 is an ideal charger for smart handheld devices that need to communicate with a personal computer via USB.

Key Features

  • 28V and 7V maximum voltages for the cradle and the USB inputs respectively. Due to the 28V rating for the cradle input, low-cost, large output tolerance adapters can be used safely. When both inputs are powered, the cradle input is used to charge the battery. The charge current is programmable for the cradle input with a small resistor. The end-of-charge current for the cradle input is also programmable by another external resistor. The charger incorporates Thermaguard™ which protects the IC aga.