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ISL9214A - Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources

Features

  • 28V maximum voltages for both the cradle and the USB inputs. Due to the 28V rated inputs, 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 is also programmable by another external resistor. The charger incorporates Thermaguard™ which protects the IC against over-temperature. If the die temperature rises.

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Datasheet preview – ISL9214A

Datasheet Details

Part number ISL9214A
Manufacturer Renesas
File Size 527.29 KB
Description Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources
Datasheet download datasheet ISL9214A Datasheet
Additional preview pages of the ISL9214A datasheet.

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Full PDF Text Transcription

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DATASHEET ISL9214A Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources FN6698 Rev 0.00 May 5, 2008 The ISL9214A 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 ISL9214A is an ideal charger for smart handheld devices that need to communicate with a personal computer via USB. The ISL9214A features 28V maximum voltages for both the cradle and the USB inputs. Due to the 28V rated inputs, 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.
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