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ISL9214 - 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, lowcost, 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 Details

Part number ISL9214
Manufacturer Renesas
File Size 523.28 KB
Description Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources
Datasheet download datasheet ISL9214 Datasheet
Additional preview pages of the ISL9214 datasheet.

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Full PDF Text Transcription

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DATASHEET ISL9214 Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources FN9271 Rev 1.00 November 30, 2006 The ISL9214 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 ISL9214 is an ideal charger for smart handheld devices that need to communicate with a personal computer via USB. The ISL9214 features 28V maximum voltages for both the cradle and the USB inputs. Due to the 28V rated inputs, lowcost, 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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